Average score
Product 1: ASUS ROG Keris II Ace
4.3
Product 2: ROG Harpe Ace Extreme
4.2
2.4GHz connectivity
Product 1: ASUS ROG Keris II Ace
4.6

Reviews that discussed wireless modes consistently describe 2.4GHz connectivity as a core option alongside Bluetooth and wired use. The evidence supports strong coverage for 2.4GHz operation, including receiver storage, tri-mode connectivity, and pairing through the main wireless receiver.

Product 2: ROG Harpe Ace Extreme
4.8

Reviews consistently identify 2.4GHz wireless as the main performance connection, often tied to the Omni receiver or polling-rate booster. The mode is treated as the best route for high polling and gaming responsiveness.

acceleration control
Product 1: ASUS ROG Keris II Ace
4.8

Sensor acceleration specs were consistently described as high-end, with reviewers citing 50G acceleration alongside 750 IPS speed. The evidence supports strong acceleration capability, though it is presented as sensor performance rather than a separate user-facing tuning feature.

Product 2: ROG Harpe Ace Extreme
5.0

Sensor acceleration handling is documented through repeated 50G acceleration specifications. The reviews support strong acceleration capability, though they do not describe a separate user-facing acceleration tuning feature.

Accuracy and tracking precision
Product 1: ASUS ROG Keris II Ace
4.7

Tracking precision was repeatedly praised. Reviewers described near-perfect accuracy, high precision, accurate tracking, and jitter-free performance, with only one review noting high-DPI irregularity at extreme settings.

Product 2: ROG Harpe Ace Extreme
5.0

Tracking accuracy is one of the strongest areas: reviewers describe the sensor as accurate, precise, consistent, and difficult to disrupt across testing and gameplay.

balance and weight distribution
Product 1: ASUS ROG Keris II Ace
4.5

Most reviewers who discussed balance found the mouse light and well balanced. One teardown-style review noted a slightly forward balance point, but the broader evidence describes the mouse as comfortable to move without obvious front or rear weight bias.

Product 2: ROG Harpe Ace Extreme
4.8

Balance is described positively where tested, with reviewers noting solid balance and excellent weight distribution that does not tilt when lifted.

battery life
Product 1: ASUS ROG Keris II Ace
4.3

Battery life is generally strong, with many reviews citing 107 hours at 2.4GHz with lighting off or strong real-world endurance. Higher polling rates and RGB reduce runtime, and one review measured lower Wi-Fi runtime with default lighting.

Product 2: ROG Harpe Ace Extreme
3.6

Battery life is usable but not class-leading. Several reviews cite 70-hour 2.4GHz figures at 1,000Hz, while high polling and RGB reduce runtime substantially.

Bluetooth support
Product 1: ASUS ROG Keris II Ace
4.5

Bluetooth support is widely confirmed and treated as a useful convenience feature. Reviews describe Bluetooth pairing, multi-device Bluetooth use, and longer battery life in Bluetooth mode, while noting that it is not the low-latency competitive mode.

Product 2: ROG Harpe Ace Extreme
4.9

Bluetooth is repeatedly confirmed as present alongside 2.4GHz and wired modes. Reviewers treat it as a convenience mode rather than the main gaming connection.

build quality
Product 1: ASUS ROG Keris II Ace
4.3

Build quality is mostly positive, with reviewers describing a sturdy, solid shell and little flex or creaking. A few reviewers found the build merely average or noted minor rattle, so the evidence is strong but not flawless.

Product 2: ROG Harpe Ace Extreme
4.6

Build quality is a major strength in most reviews, especially the stiff carbon-fiber top shell, tight buttons, and lack of creaking or flex. A few critiques focus on the nylon/plastic lower section rather than structural weakness.

button customization
Product 1: ASUS ROG Keris II Ace
4.4

Button customization is well supported through Armoury Crate or onboard controls. Reviewers cite remapping inputs, assigning commands, programmable controls, and hardware-based adjustments for key settings.

Product 2: ROG Harpe Ace Extreme
4.5

Button and performance customization are well supported through Armoury Crate Gear, Armoury Crate, and hardware controls. Reviewers cite remapping, DPI, polling, lift-off, lighting, and related adjustments.

button responsiveness
Product 1: ASUS ROG Keris II Ace
4.7

Button responsiveness is consistently praised. Reviewers cite snappy registration, lightning-quick actuation, responsive clicks, and short-travel optical buttons that support fast inputs.

Product 2: ROG Harpe Ace Extreme
4.9

Button responsiveness is generally strong, with many reviews praising precise, brisk, instant, or consistent actuation. One review reports a left-click pre-travel defect, so the evidence is strong but not perfectly uniform.

cable flexibility
Product 1: ASUS ROG Keris II Ace
4.5

Cable flexibility is a strength overall. Several reviewers praised the paracord as flexible, tangle-free, or drag-reducing, though one reviewer found it long enough but somewhat stiff while charging.

Product 2: ROG Harpe Ace Extreme
4.0

Cable impressions are mixed. Several reviews call the paracord-style cable flexible or lightweight, while others say it is stiff or not especially good.

charging convenience
Product 1: ASUS ROG Keris II Ace
4.0

Charging and setup convenience are mixed. One review says USB-C charging is quick and painless, while another liked the adapter/booster setup but noted the connection stack could feel loose.

Product 2: ROG Harpe Ace Extreme
3.9

Charging is handled through USB-C and wired operation. Reviews describe it as functional and convenient enough, though wired mode can have polling-rate limits depending on setup.

claw grip comfort
Product 1: ASUS ROG Keris II Ace
4.4

Claw grip comfort is supported for many hand sizes. Reviews mention all-grip compatibility, relaxed claw comfort, and claw grip usefulness, though one detailed review cautions that fit depends on hand size.

Product 2: ROG Harpe Ace Extreme
4.0

Claw grip support is broadly positive, especially for medium to large hands. Several reviewers identify claw as a natural fit, though smaller hands may find the mouse long or awkward.

click latency
Product 1: ASUS ROG Keris II Ace
4.6

Click latency is a clear strength. Reviews cite latency reduction from high polling, measured low click latency, no latency issues, and low wireless click latency measurements.

Product 2: ROG Harpe Ace Extreme
5.0

Click latency is presented as very low, helped by optical switches and high polling modes. Measurements and subjective comments support fast response, with little reason to worry about delay.

click noise
Product 1: ASUS ROG Keris II Ace
4.4

Click noise is mixed but generally acceptable. Some reviews described the switches as quiet or quieter than competitors, while another found the optical clicks loud.

Product 2: ROG Harpe Ace Extreme
3.1

Click noise is mixed. Some reviewers find the clicks pleasant or not annoying, while others describe the switches or side buttons as loud.

connection stability
Product 1: ASUS ROG Keris II Ace
4.7

Connection stability is strong across the reviews that tested it. Reviewers mention tri-mode connectivity, no delays, no hiccups, no dropouts, and stable Bluetooth or wireless switching.

Product 2: ROG Harpe Ace Extreme
4.3

Connection stability is mostly praised through stable wireless and strong receiver performance, but one review reports wireless disconnects during gameplay, making this a generally strong but not flawless area.

cross-platform compatibility
Product 1: ASUS ROG Keris II Ace
4.6

Cross-device use is supported mainly through Bluetooth and multi-device pairing. Reviewers cite simultaneous pairing with multiple devices, multi-device setup versatility, and the ability to pair up to three devices.

Product 2: ROG Harpe Ace Extreme
No score yet
debounce customization
Product 1: ASUS ROG Keris II Ace
2.3

Debounce customization is weak. The available evidence says debounce was 0ms and not adjustable, and another review states there was no debounce setting in the software.

Product 2: ROG Harpe Ace Extreme
3.0

Debounce support is mixed in a narrow way: optical switches allow very low debounce behavior, but multiple reviews note no user-adjustable debounce setting.

DPI range
Product 1: ASUS ROG Keris II Ace
4.9

The DPI range is one of the clearest strengths. Reviewers repeatedly cite 42,000 DPI or CPI and describe it as unusually high, although some note that most users will not need the upper end.

Product 2: ROG Harpe Ace Extreme
4.9

The DPI/CPI ceiling is repeatedly cited at 42,000, with several reviews also discussing fine adjustment steps. The range is clearly flagship-level.

durability over time
Product 1: ASUS ROG Keris II Ace
4.6

Durability over time is supported mainly through switch behavior. One review specifically links optical switches to consistent long-term performance and reduced double-click risk.

Product 2: ROG Harpe Ace Extreme
5.0

Durability evidence centers on structural integrity, carbon-fiber strength, and 100-million-click optical switches. Long-term field wear is not deeply tested, but the stated and observed durability signals are strong.

ecosystem integration
Product 1: ASUS ROG Keris II Ace
4.4

Ecosystem integration is present through Aura Sync and the ROG Omni receiver. Reviewers cite lighting sync with compatible devices and using one receiver for multiple ROG peripherals.

Product 2: ROG Harpe Ace Extreme
4.0

Ecosystem integration appears through the Omni receiver, shared ASUS dongle support, Armoury software, and ROG peripherals. Reviewers mention the benefit, though some question how many users will need it.

ergonomic design
Product 1: ASUS ROG Keris II Ace
4.5

The design is clearly ergonomic and right-handed. Reviews describe the curved or ergonomic shape, often tying it to right-handed comfort and ultra-light wireless use.

Product 2: ROG Harpe Ace Extreme
4.0

Ergonomics are shape-dependent. The mouse is often comfortable for larger hands and safe grip styles, but some reviewers find the hump, length, or button height awkward.

fingertip grip comfort
Product 1: ASUS ROG Keris II Ace
3.4

Fingertip grip comfort is limited and hand-size dependent. One review says the light weight makes fingertip use possible with grip tape, while another does not recommend fingertip gripping the ergonomic shell.

Product 2: ROG Harpe Ace Extreme
3.9

Fingertip comfort is supported for some hands, but not universally. Larger hands or certain grip styles fare better; smaller-hand reviewers sometimes find the mouse too long.

firmware reliability
Product 1: ASUS ROG Keris II Ace
No score yet
Product 2: ROG Harpe Ace Extreme
3.0

Firmware reliability is mixed because at least one reviewer received updates quickly but also saw sporadic 8K wireless shutoff behavior. The evidence points to active support with some remaining rough edges.

FPS gaming suitability
Product 1: ASUS ROG Keris II Ace
4.8

FPS and esports suitability are consistently strong. Reviewers repeatedly frame the mouse around hard-core gameplay, competitive esports, FPS use, high polling, and precision aiming.

Product 2: ROG Harpe Ace Extreme
4.8

FPS suitability is strong. Reviews repeatedly position the mouse around fast shooters, esports, low weight, fast inputs, and accurate tracking.

glide smoothness
Product 1: ASUS ROG Keris II Ace
4.6

Glide smoothness is broadly praised. Reviewers cite PTFE feet, smooth glide, controlled movement, and good stock skates, including use on glass in some tests.

Product 2: ROG Harpe Ace Extreme
4.5

Glide is a clear strength. PTFE and glass feet are described as smooth, fast, and low-friction, although glass feet may require adjustment.

grip texture
Product 1: ASUS ROG Keris II Ace
3.7

Grip texture is the most divisive physical trait. Some reviewers liked the non-slip or textured surface and grip tape, while others found the coating slippery or not secure enough without aftermarket grips.

Product 2: ROG Harpe Ace Extreme
3.8

Grip texture is mixed. Carbon fiber is often grippy or secure, but the nylon/plastic sides can feel slippery to some reviewers, making included grip tape useful.

handedness options
Product 1: ASUS ROG Keris II Ace
3.2

Handedness is limited. Evidence shows the mouse is comfortable for right-handers but not suited for lefties or users wanting an ambidextrous shape.

Product 2: ROG Harpe Ace Extreme
3.5

The shape is symmetrical, but handedness is limited by side-button placement. Reviews support basic ambidextrous hand feel while noting practical right-hand bias.

left and right click quality
Product 1: ASUS ROG Keris II Ace
4.4

Left and right click quality is generally strong, with snappy, tactile, consistent, or solid click feedback across many reviews. Some detailed reviewers still criticized slipperiness or travel on the main buttons.

Product 2: ROG Harpe Ace Extreme
4.1

Left and right click quality receives strong praise in many reviews for tightness, tactility, and minimal wobble. A few units or reviewers report pre-travel, squishiness, or a defect, so results are not unanimous.

lift-off distance
Product 1: ASUS ROG Keris II Ace
4.2

Lift-off distance support is present through software or onboard controls, but not universally flexible. Reviews mention lift-off adjustment, low/high LOD options, and 1mm/2mm LOD limits.

Product 2: ROG Harpe Ace Extreme
4.2

Lift-off distance is well covered through software and hardware controls. Reviews mention LOD adjustment, low/high settings, and surface calibration.

long-session comfort
Product 1: ASUS ROG Keris II Ace
4.7

Long-session comfort is strong where discussed. Reviewers cite no hand pain, low fatigue, and zero strain over prolonged play, helped by the low weight.

Product 2: ROG Harpe Ace Extreme
3.8

Long-session comfort depends on hand size and grip. Some reviews mention prolonged comfort, while others cite fatigue, palm irritation, or awkward shape details.

macro support
Product 1: ASUS ROG Keris II Ace
4.4

Macro support is available through Armoury Crate. Reviews cite macro recording and saved macros in the software workflow.

Product 2: ROG Harpe Ace Extreme
No score yet
materials quality
Product 1: ASUS ROG Keris II Ace
4.3

Materials quality is generally positive, with evidence for PBT buttons, bio-based nylon, rigid shell feel, and textured surfaces. Some reviewers still found the shell feel less premium than rubberized coatings.

Product 2: ROG Harpe Ace Extreme
4.9

Materials quality is one of the defining strengths. Reviews repeatedly highlight the carbon-fiber shell, premium construction, and stronger/lighter material story.

MMO gaming suitability
Product 1: ASUS ROG Keris II Ace
4.0

MMO suitability is only lightly supported. One review used the mouse in Final Fantasy XIV raids and inventory management, but the review evidence does not present it as a dedicated MMO mouse.

Product 2: ROG Harpe Ace Extreme
No score yet
motion consistency
Product 1: ASUS ROG Keris II Ace
4.6

Motion consistency is strong in gameplay, with reviewers citing smooth tracking, granular accuracy, and micro-adjustment precision. MotionSync is present but not configurable in one technical review.

Product 2: ROG Harpe Ace Extreme
4.5

Motion consistency is supported by consistent sensor tracking, Motion Sync, stable polling, and smooth wireless behavior. One source notes Motion Sync is not user-configurable.

onboard memory
Product 1: ASUS ROG Keris II Ace
4.5

Onboard memory/profile support is present, with reviews citing hardware-based profiles, onboard controls, and profile switching without needing to keep the software open.

Product 2: ROG Harpe Ace Extreme
5.0

Onboard memory is supported by reviews noting saved profiles and the ability to configure settings once, then use the mouse without keeping software open.

palm grip comfort
Product 1: ASUS ROG Keris II Ace
4.4

Palm grip comfort is positive but not universal. Reviews describe comfortable palm or relaxed palm use, while hand size and the smaller ergonomic shape affect fit.

Product 2: ROG Harpe Ace Extreme
3.4

Palm grip comfort is mixed. Some larger-hand reviewers can palm or relaxed-palm it, while others say the mouse is short, irritating, or less suitable for palm use.

polling rate
Product 1: ASUS ROG Keris II Ace
4.7

Polling rate is a headline strength across nearly every review. Evidence repeatedly confirms 4,000Hz wireless polling and 8,000Hz wired polling through the included booster.

Product 2: ROG Harpe Ace Extreme
4.8

Polling-rate support is a standout feature, with repeated 8,000Hz references over wireless and, in some reviews, wired mode with the booster. Higher polling trades off heavily with battery life.

portability
Product 1: ASUS ROG Keris II Ace
4.5

Portability is supported through bundled accessories, dongle storage, and multi-device use. Reviewers mention grip tape, extra feet, and using one mouse across multiple devices or on the go.

Product 2: ROG Harpe Ace Extreme
4.6

Portability is strong because many reviews mention the carrying case, travel case, or accessory storage. The missing onboard dongle slot is offset by the included case.

premium feel
Product 1: ASUS ROG Keris II Ace
4.4

Premium feel is present but not unanimous. Some reviewers found the chassis premium and the mouse solid, while others criticized coating and click feel as less premium for the price.

Product 2: ROG Harpe Ace Extreme
4.7

Premium feel is strong in packaging, carbon fiber, accessories, and presentation. Some reviewers still feel the price makes the premium treatment hard to justify.

profile switching
Product 1: ASUS ROG Keris II Ace
4.1

Profile switching is supported but placement is sometimes criticized. Reviewers cite scenario profiles, saved profiles, and button-combination profile switching, while some dislike the underside DPI/profile control.

Product 2: ROG Harpe Ace Extreme
5.0

Profile switching is supported through onboard profiles and hardware combinations. Reviews cite up to five stored profiles and mouse-based profile changes.

programmable buttons
Product 1: ASUS ROG Keris II Ace
4.4

Programmable button coverage is solid for an esports mouse. Reviews cite five or six programmable buttons and programmable controls including scroll functions.

Product 2: ROG Harpe Ace Extreme
3.7

Programmable controls are supported, but quantity is modest. Reviewers cite five to seven programmable inputs depending on whether scroll directions are counted.

RGB features
Product 1: ASUS ROG Keris II Ace
4.3

RGB features are modest but useful. Reviews focus on the single scroll-wheel RGB zone, customization, battery notifications, and keeping RGB without losing the low weight.

Product 2: ROG Harpe Ace Extreme
3.4

RGB is limited to the scroll wheel. Reviews confirm lighting is present and configurable, but repeatedly frame it as basic or restrained rather than elaborate.

scroll wheel quality
Product 1: ASUS ROG Keris II Ace
3.7

Scroll wheel quality is mixed. Some reviewers praised tactile, quiet, or excellent scrolling, while others wanted clearer steps, adjustable resistance, or a more controlled encoder.

Product 2: ROG Harpe Ace Extreme
4.2

Scroll wheel quality is mixed-to-good. Several reviews praise defined steps and tactility, while others find it stiff, small, recessed, or unremarkable.

sensor performance
Product 1: ASUS ROG Keris II Ace
4.8

Sensor performance is excellent overall. Reviewers cite an accurate high-end sensor, no tracking issue, top-tier performance, glass tracking, and no spinouts or jitter in normal testing.

Product 2: ROG Harpe Ace Extreme
5.0

Sensor performance is consistently excellent. Reviews cite the AimPoint Pro/PAW3950-class sensor, high DPI, accuracy, responsiveness, and reliable performance.

shape comfort
Product 1: ASUS ROG Keris II Ace
4.4

Shape comfort is a major strength for many reviewers, especially for relaxed claw, palm, and small-to-medium ergonomic preferences. A few reviewers reported hand-size mismatch or cramps.

Product 2: ROG Harpe Ace Extreme
3.7

Shape comfort is divisive. The safe symmetrical shape works for many, especially larger hands, but multiple reviewers find it too long, awkward, or not ideal for their grip.

side button quality
Product 1: ASUS ROG Keris II Ace
4.1

Side button quality is mixed. Some reviewers loved their placement and crispness, while others found them small, stiff, high, heavy, or less accessible for larger hands.

Product 2: ROG Harpe Ace Extreme
3.9

Side button quality is one of the most divided areas. Some reviews praise tactility and implementation, while others find the buttons too small, too far forward, loud, or less accessible.

skate durability
Product 1: ASUS ROG Keris II Ace
4.1

Skate durability is only moderately supported. One review points to replaceable feet if they wear out, and another describes the stock skates as standard PTFE rather than emphasizing long-term durability.

Product 2: ROG Harpe Ace Extreme
2.5

Skate durability evidence is limited and cautious. One review warns glass feet can wear quickly, so smoothness is clearer than long-term skate durability.

software stability
Product 1: ASUS ROG Keris II Ace
2.9

Software stability is a weakness. Reviews describe Armoury Crate as bloated, resource-heavy, and unwieldy, even though some settings can be handled without keeping it open.

Product 2: ROG Harpe Ace Extreme
2.4

Software stability is inconsistent. Reviewers appreciate lighter Armoury Crate Gear, but report pop-ups, installation confusion, download problems, and troubleshooting.

software usability
Product 1: ASUS ROG Keris II Ace
3.6

Software usability is mixed. Some reviewers found configuration simple or the lighter Armoury Crate Gear easier, while others called the software slow, terrible, bloated, or in need of improvement.

Product 2: ROG Harpe Ace Extreme
3.2

Software usability is mixed. The lighter Gear app is simpler and useful, but several reviewers still call the software overkill, annoying, complicated, or frustrating.

surface compatibility
Product 1: ASUS ROG Keris II Ace
4.7

Surface compatibility is very strong. Reviews describe calibration for surfaces, tracking on glass, and reliable tracking across many surfaces or mouse pads.

Product 2: ROG Harpe Ace Extreme
5.0

Surface compatibility is strong, with reviews citing hard, soft, glass, cloth, wood, and calibration support. The sensor is repeatedly described as reliable across surfaces.

switch durability
Product 1: ASUS ROG Keris II Ace
4.8

Switch durability is a clear strength. Multiple reviews cite the ROG Optical Micro Switches and their 100-million-click rating.

Product 2: ROG Harpe Ace Extreme
5.0

Switch durability is strongly supported by repeated 100-million-click optical switch ratings. This is one of the clearest durability claims in the reviews.

switch feel
Product 1: ASUS ROG Keris II Ace
4.0

Switch feel is divisive. Some reviewers praised crisp, consistent, punchy switches, while others described dull, mushy, hollow, or travel-heavy click feel.

Product 2: ROG Harpe Ace Extreme
4.2

Switch feel is generally strong, with reviewers praising tactile, crisp, clicky, and consistent feedback. A minority find the clicks heavier, squishier, or not best-in-class.

value for money
Product 1: ASUS ROG Keris II Ace
3.7

Value is mixed because the performance is high but the price is premium. Several reviewers called it expensive or pricey, while others still found the package justified or worth the money.

Product 2: ROG Harpe Ace Extreme
2.2

Value for money is the largest weakness. Nearly every review treats the mouse as expensive or niche, with some calling it hard to justify despite strong performance.

weight
Product 1: ASUS ROG Keris II Ace
4.8

Weight is a standout strength. Reviewers repeatedly cite 54g or about 1.9 ounces and praise the control and low fatigue that come from the ultra-light build.

Product 2: ROG Harpe Ace Extreme
4.9

Weight is a core strength. Reviews repeatedly cite 46-48g figures and emphasize the sub-50g feel, especially for a non-perforated carbon-fiber mouse.

wireless latency
Product 1: ASUS ROG Keris II Ace
4.5

Wireless latency is strong in the 2.4GHz mode. Reviewers cite low-latency wireless, low measured wireless click latency, high-polling responsiveness, and no obvious latency problems.

Product 2: ROG Harpe Ace Extreme
4.7

Wireless latency is generally praised as very low through high polling, optical switches, and solid receiver performance. Some reviewers caution that 8K benefits are small.

wireless performance
Product 1: ASUS ROG Keris II Ace
4.7

Wireless performance is consistently strong. Reviewers report good wireless connectivity, no drop in tracking, no hiccups, no stutters, and no dropouts during use.

Product 2: ROG Harpe Ace Extreme
4.6

Wireless performance is broadly strong, with praise for stable, responsive 2.4GHz operation and high polling. One review reports disconnects, but most evidence is positive.