Average score
Product 1: ASUS ROG Keris II Ace
4.3
Product 2: ASUS ROG Harpe II Ace
4.4
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: ASUS ROG Harpe II Ace
4.8

Reviews repeatedly support the 2.4GHz path as the mouse's primary high-performance connection, including wireless 8K polling through the dongle and tri-mode switching with wired and Bluetooth options.

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: ASUS ROG Harpe II Ace
4.5

Acceleration behavior is supported mainly through tracking tests: reviewers reported no odd acceleration or cited the high 50G acceleration capability, which supports reliable fast-swipe control rather than adjustable acceleration tuning.

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: ASUS ROG Harpe II Ace
4.8

Aiming precision is one of the clearest strengths. Reviewers describe fine corrections, minimal movements, and real-game reticle control as stable, precise, and natural.

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: ASUS ROG Harpe II Ace
4.8

Balance is praised in the reviews that discuss it directly, with one noting better hand balance from the shell geometry and another calling the weight and balance spot-on.

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: ASUS ROG Harpe II Ace
4.3

Battery life is strong at standard polling, with multiple reviews citing roughly 98-101 hours or several long sessions, but several also warn that 8K mode drains it much faster.

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: ASUS ROG Harpe II Ace
4.7

Bluetooth is consistently supported as part of the tri-mode setup and is described as stable enough for productivity or multi-device use, though competitive use generally favors 2.4GHz.

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: ASUS ROG Harpe II Ace
4.7

Build quality is broadly praised. Reviewers describe a solid shell, rigid nylon construction, no creaking or flexing in most samples, and a premium-feeling chassis despite the very low weight.

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: ASUS ROG Harpe II Ace
4.5

Customization is well supported through Gear Link, with reviewers citing browser-based changes to DPI, button assignments, lighting, lift-off distance, debounce, and Zone Mode.

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: ASUS ROG Harpe II Ace
4.6

Button responsiveness is rated highly where tested, with immediate main-key response, consistent clicks, and fast actuation noted across multiple reviews.

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: ASUS ROG Harpe II Ace
4.4

Cable flexibility is supported in the reviews that mention the included USB-C cable, which is described as flexible or thin enough for wired play.

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: ASUS ROG Harpe II Ace
4.8

Charging convenience is a strength where discussed: USB-C charging, quick cable top-ups, and play-while-charging reduce downtime.

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: ASUS ROG Harpe II Ace
4.6

Claw grip comfort is a recurring strength. Reviewers repeatedly describe the shape as well suited to claw grip, helped by the low hump, tapering sides, and light shell.

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: ASUS ROG Harpe II Ace
4.8

Click latency is supported by optical switch and movement-delay evidence, with reviewers noting immediate response, no noticeable delay, and very quick optical actuation.

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: ASUS ROG Harpe II Ace
4.2

Noise evidence is limited but mixed-positive: one review says the primary clicks are slightly louder than the predecessor, while another praises the scroll wheel as smooth and quiet.

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: ASUS ROG Harpe II Ace
4.9

Connection stability is consistently strong in the reviews that tested it, with stable Bluetooth, no dropouts, no ghost inputs, and no desyncs over longer sessions.

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: ASUS ROG Harpe II Ace
4.7

Cross-platform and multi-device use is supported by Gear Link's browser approach and one reviewer switching between a gaming PC and MacBook over different connection modes.

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: ASUS ROG Harpe II Ace
4.2

Debounce customization is directly supported by Gear Link evidence in one review, which mentions adjusting debounce along with DPI, lift-off distance, and Zone Mode.

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: ASUS ROG Harpe II Ace
5.0

DPI range is strongly supported by repeated references to the AimPoint Pro sensor's 42K or 42,000 DPI/CPI ceiling and per-step DPI adjustment.

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: ASUS ROG Harpe II Ace
4.4

Durability over time is supported by durable switch ratings and short-term testing where clicks and chassis feel stayed consistent, though long-term multi-year evidence is not present.

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: ASUS ROG Harpe II Ace
4.0

Ecosystem integration is supported modestly through ROG Gear Link, Armoury Crate references, RGB/Bluetooth additions, and the broader Ace collection context, but it is not a dominant review theme.

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: ASUS ROG Harpe II Ace
4.5

Ergonomic design is supported by reviewers describing neutral shaping, tapering sides, contoured buttons, and a shape that gets out of the way rather than forcing one grip style.

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: ASUS ROG Harpe II Ace
4.6

Fingertip grip comfort is a recurring strength. Several reviewers mention fingertip suitability, lower hump control, and easier micro-adjustments.

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: ASUS ROG Harpe II Ace
4.8

FPS suitability is strong. Reviews repeatedly frame the mouse around esports and shooters, citing fast tracking, low delay, smooth flicks, and competitive play benefits.

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: ASUS ROG Harpe II Ace
4.7

Glide smoothness is heavily supported. Reviewers praise the PTFE feet, rounded edges, low-friction glide, and smooth movement across pads or desks.

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: ASUS ROG Harpe II Ace
4.3

Grip texture is mostly positive but not universal. Reviewers praise grippy matte or rubberized coatings, while some note slipperiness, fingerprints, or smudging.

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: ASUS ROG Harpe II Ace
3.8

Handedness is mixed. Some reviews call the shell ambidextrous or usable by left-handers, while others emphasize left-side buttons that make it better suited to right-handed users.

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: ASUS ROG Harpe II Ace
4.6

Left and right click quality is mostly strong, with crisp, sharp, consistent clicks and precise feedback, though one early sample had trigger rattle.

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: ASUS ROG Harpe II Ace
4.2

Lift-off distance is directly supported by settings and test references, including Gear Link LOD adjustment and measured loss of tracking at low card-thickness ranges.

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: ASUS ROG Harpe II Ace
4.5

Long-session comfort is generally positive because of low fatigue, low mass, and reliable shape, though palm-grip users with larger hands may prefer a fuller mouse.

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: ASUS ROG Harpe II Ace
4.0

Macro support is only lightly supported through the reviewer’s description of button remapping with a secondary function layer, so the score is conservative rather than a broad macro claim.

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: ASUS ROG Harpe II Ace
4.6

Materials quality is strong: reviewers repeatedly cite bio-based nylon, rigid construction, and a premium shell that keeps weight low without obvious fragility.

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: ASUS ROG Harpe II Ace
2.8

MMO suitability is weak because the mouse offers limited buttons; one review explicitly says the button layout is limited for MMO gamers.

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: ASUS ROG Harpe II Ace
4.9

Motion consistency is excellent in the reviews, with stable cursor behavior, no jitter, tracking steadiness, motion sync, and no weird wireless or sensor behavior.

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: ASUS ROG Harpe II Ace
2.0

Onboard memory is a clear weakness in the review that discusses it directly, noting that profiles are not stored permanently on the mouse.

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: ASUS ROG Harpe II Ace
3.6

Palm grip comfort is mixed. Some reviews say the shape can work for palm grip, but others say larger-handed palm users may prefer fuller support from alternatives.

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: ASUS ROG Harpe II Ace
5.0

Polling rate is one of the strongest supported specs, with many reviews highlighting native 8,000Hz/8K polling, including wireless operation without an extra booster.

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: ASUS ROG Harpe II Ace
4.3

Portability is good thanks to low weight, compact travel friendliness, and dongle storage, but one review notes that a carrying bag would have improved the package.

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: ASUS ROG Harpe II Ace
4.3

Premium feel is supported by high-quality impressions, solid premium shell comments, and a rigid finish, although one lightweight chassis was described as initially hollow by one reviewer.

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: ASUS ROG Harpe II Ace
3.4

Profile switching has mixed support. Gear Link supports multiple profiles, but one review says profiles are not stored permanently, making multi-PC use less seamless.

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: ASUS ROG Harpe II Ace
4.5

Programmable buttons are supported by key assignment and freely assignable button evidence, though the number of buttons remains focused on shooter use rather than shortcut-heavy games.

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: ASUS ROG Harpe II Ace
4.0

RGB features are present but secondary. Reviews mention RGB lighting, scroll wheel lighting, adjustable lighting, and Zone Mode disabling lighting to save power.

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: ASUS ROG Harpe II Ace
4.5

Scroll wheel quality is positive overall, with reviewers citing precise clicks, defined tactile notches, good tensioning, and smooth quiet scrolling.

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: ASUS ROG Harpe II Ace
4.9

Sensor performance is consistently excellent, with reviewers praising the AimPoint Pro sensor, flawless tracking, high DPI capability, and strong practical gaming 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: ASUS ROG Harpe II Ace
4.5

Shape comfort is generally strong for claw and fingertip users and medium-to-large symmetrical-mouse fans, but reviewers note that shape fit still depends on hand size and grip style.

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: ASUS ROG Harpe II Ace
4.6

Side button quality is generally strong. Reviewers praise crisp feel, placement, accidental-press prevention, and solid implementation, with one long-finger caveat.

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: ASUS ROG Harpe II Ace
No score yet
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: ASUS ROG Harpe II Ace
3.2

Software stability is mixed. Gear Link is described as responsive and better than Armoury Crate, but one reviewer worries about web dependency and server availability.

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: ASUS ROG Harpe II Ace
4.5

Software usability is one of the product's clearest strengths. Reviewers repeatedly praise Gear Link as browser-based, clear, responsive, intuitive, and easier than installing heavier software.

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: ASUS ROG Harpe II Ace
4.9

Surface compatibility is strong. Reviewers cite track-on-glass, surface calibration, varied-surface tracking, and successful use across glass, wood, hard surfaces, and mouse pads.

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: ASUS ROG Harpe II Ace
4.9

Switch durability is strongly supported by repeated 100-million-click ratings for the optical switches and durable microswitch language.

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: ASUS ROG Harpe II Ace
4.6

Switch feel is mostly positive, with repeated praise for crisp, decisive, clicky, and consistent optical switches, though one reviewer found them only okay.

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: ASUS ROG Harpe II Ace
3.9

Value for money is mixed. Reviewers call the price premium or not cheap, but several also describe it as competitive or smartly priced against other flagship mice.

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: ASUS ROG Harpe II Ace
5.0

Weight is one of the strongest attributes, with almost every review emphasizing the 46-48g range and praising the mouse as ultralight or extremely easy to move.

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: ASUS ROG Harpe II Ace
4.9

Wireless latency is excellent where discussed, with reviewers noting no delay, instant 2.4GHz response, low latency, and minimal interference.

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: ASUS ROG Harpe II Ace
5.0

Wireless performance is excellent overall, with native 8K wireless, strong SpeedNova performance, low interference, and wired-like feel appearing across several reviews.