Average score
Product 1: ASUS ROG Keris II Ace
4.3
Product 2: ASUS ROG Spatha X
4.0
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 Spatha X
4.5

The mouse supports 2.4GHz wireless play, and reviews treat it as a standard part of the setup.

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 Spatha X
4.5

A review explicitly lists 50G acceleration among the Spatha X's key performance specs.

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 Spatha X
4.5

Reviews describe the sensor as precise and accurate, with strong aim and control once set to the user's preferred sensitivity.

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 Spatha X
No score yet
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 Spatha X
4.5

Battery life is described as strong, with up to 67 hours claimed when RGB is off and fast charging highlighted.

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 Spatha X
1.8

Bluetooth is a notable omission, and reviewers explicitly wish it were included.

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 Spatha X
4.5

Build quality is consistently praised as sturdy and premium-feeling.

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 Spatha X
4.5

Armoury Crate repeatedly comes up as the way to remap buttons for both gaming and productivity tasks.

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 Spatha X
4.0

Main button presses are described as having a noticeable, positive click when actuated.

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 Spatha X
4.0

The included paracord-style cables are generally described as light and flexible, though one reviewer noted bunching.

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 Spatha X
4.8

The charging system is repeatedly praised for making top-ups quick and easy.

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 Spatha X
3.5

One reviewer found claw grip workable, but clearly secondary to palm grip.

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 Spatha X
No score yet
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 Spatha X
No score yet
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 Spatha X
5.0

Wireless connectivity is described as flawless, with no dropouts in testing.

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 Spatha X
1.5

A Mac-focused review says core customization is Windows-only and does not work properly on Mac.

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 Spatha X
No score yet
dock compatibility
Product 1: ASUS ROG Keris II Ace
No score yet
Product 2: ASUS ROG Spatha X
4.8

The dock is central to the experience, acting as charger and receiver while seating the mouse easily.

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 Spatha X
5.0

Multiple reviews highlight the 19,000 DPI ceiling as one of the mouse's headline specs.

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 Spatha X
4.5

Easy switch replacement and service access are repeatedly described as advantages for long-term ownership.

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 Spatha X
4.5

RGB syncing with other ASUS or ROG gear is repeatedly mentioned as part of the appeal.

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 Spatha X
3.9

Finger rests and sculpted supports help some users, but the overall ergonomics remain polarizing.

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 Spatha X
1.5

Fingertip grip is explicitly described as a poor match for this mouse.

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 Spatha X
2.3

FPS suitability is a weak point, with reviewers citing the weight and slower feel for twitch play.

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 Spatha X
5.0

One reviewer reports very smooth glide with essentially no friction on a cloth mat.

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 Spatha X
4.3

Reviewers note patterned or rubberized grip areas that help support the fingers.

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 Spatha X
4.0

The Spatha X is described as a right-handed design.

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 Spatha X
4.5

Primary clicks are described as crisp, with little pre-travel and strong tactile feedback.

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 Spatha X
4.0

Armoury Crate allows lift-off distance adjustment, with reviewers noting low and high options.

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 Spatha X
3.0

Long-session comfort depends on fit: MMO sessions can work well, but the weight also causes fatigue for some users.

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 Spatha X
4.5

Macro support is present through the software, which reviewers note can record and assign macros.

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 Spatha X
4.5

One review specifically highlights the sturdy plastic shell and shaped metal base plate.

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 Spatha X
4.4

MMO play is the clearest use case, thanks to the extra buttons and large-button-heavy design.

MOBA gaming suitability
Product 1: ASUS ROG Keris II Ace
No score yet
Product 2: ASUS ROG Spatha X
4.5

One reviewer explicitly groups the Spatha X with MMO and MOBA players.

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 Spatha X
5.0

One reviewer reported no delay, jitter, or failed inputs during gameplay, pointing to stable motion 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 Spatha X
No score yet
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 Spatha X
4.5

Palm-grip users, especially with larger hands, are the clearest fit according to multiple reviews.

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 Spatha X
3.5

One review notes a 1,000 Hz polling rate, treating it as adequate but less impressive than some flagship expectations.

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 Spatha X
2.5

Portability is mixed: the pouch helps, but the mouse's size makes it awkward to travel with.

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 Spatha X
4.8

Multiple reviews frame the Spatha X as a premium mouse with premium extras.

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 Spatha X
4.0

A DPI or profile switch is mentioned, including lighting that indicates which profile is active.

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 Spatha X
4.5

The large number of remappable buttons is one of the Spatha X's main selling points across reviews.

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 Spatha X
4.5

RGB is a major focus, with multiple lighting zones on the mouse and additional lighting on the dock.

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 Spatha X
4.5

One review specifically praises the scroll wheel's grippy texture and satisfying click feel.

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 Spatha X
4.8

Sensor performance is a clear strength, with reviewers calling out excellent tracking and accurate response.

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 Spatha X
3.5

Shape comfort is mixed: some reviewers love the large frame, while others find it awkward or oversized.

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 Spatha X
2.5

The side-button cluster is divisive: reviewers liked the idea but often found it cramped, awkward, or inconsistent.

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 Spatha X
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 Spatha X
2.5

One review reports finicky software behavior during setup and use.

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 Spatha X
4.3

Armoury Crate offers broad control, and positive reviews describe it as straightforward and easy to use.

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 Spatha X
4.5

Software calibration options for different pads and custom surfaces are explicitly mentioned.

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 Spatha X
4.5

Swappable switches and 70-million-click ratings are presented as meaningful durability advantages.

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 Spatha X
4.5

Switch feel is generally positive, with reviewers describing the buttons as responsive, tactile, and accurate.

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 Spatha X
4.3

Value is mixed-positive, with reviewers saying the high price is partly justified by the included features and extras.

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 Spatha X
1.9

The Spatha X is consistently described as very large and very heavy, which strongly shapes its appeal and drawbacks.

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 Spatha X
4.5

One reviewer specifically reported no delay during wireless gameplay.

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 Spatha X
5.0

Wireless performance is a clear strength, with reviewers reporting smooth and dependable untethered use.