Average score
Product 1: ASUS ROG Harpe Ace Mini
4.3
Product 2: Razer Viper V4 Pro
4.2
2.4GHz connectivity
Product 1: ASUS ROG Harpe Ace Mini
4.5

2.4GHz support is consistently described as a core connection mode, usually through the included receiver or dongle. Several reviewers also tied the 2.4GHz mode to low-latency or higher-performance use, with only the optional high-polling booster adding a caveat.

Product 2: Razer Viper V4 Pro
4.8

Reviews reference HyperSpeed Wireless Gen-2 and the bundled low-latency dongle as key connection upgrades. This mouse is clearly designed around proprietary dongle wireless rather than casual secondary modes.

acceleration control
Product 1: ASUS ROG Harpe Ace Mini
4.3

Acceleration-related evidence is positive where tested or specified: reviewers noted mouse acceleration being off in testing, a 50G acceleration spec, and zero acceleration or jitter in use.

Product 2: Razer Viper V4 Pro
4.4

Reviews mention Dynamic Sensitivity and related tuning that can change how speed or acceleration behaves. That gives advanced users meaningful control over pointer response.

Accuracy and tracking precision
Product 1: ASUS ROG Harpe Ace Mini
4.6

Accuracy is one of the strongest areas. Reviewers repeatedly described the mouse as fast, precise, pixel-perfect, or smooth-tracking, though one test noted rattling at very high DPI.

Product 2: Razer Viper V4 Pro
4.8

Reviews consistently describe the tracking as exact, precise, and highly dependable in play. Several reviewers say shots land where intended, especially in competitive shooters.

balance and weight distribution
Product 1: ASUS ROG Harpe Ace Mini
4.3

Balance evidence is mixed but mostly positive. One reviewer found it a little weighted at the back, while another said the balance felt spot on.

Product 2: Razer Viper V4 Pro
4.8

Reviews describe the weight as centered, balanced, or evenly distributed. That balance is repeatedly tied to better control and a lighter-feeling experience during play.

battery life
Product 1: ASUS ROG Harpe Ace Mini
4.7

Battery life is a major strength across reviews, with quoted runtimes up to 105-139 hours depending on mode and repeated real-use praise for lasting days or weeks.

Product 2: Razer Viper V4 Pro
4.8

Battery life is a consensus strength. Most reviews repeat the same core claim of up to 180 hours at 1,000Hz and 45 hours at 8,000Hz, and several say the real-world endurance feels excellent.

Bluetooth support
Product 1: ASUS ROG Harpe Ace Mini
4.5

Bluetooth is well supported as part of the mouse's tri-mode connectivity. Reviewers described pairing, Bluetooth use, and switching as convenient, simple, or painless.

Product 2: Razer Viper V4 Pro
1.0

Reviews explicitly say Bluetooth is absent. The Viper V4 Pro prioritizes its gaming-focused dongle wireless setup instead.

build quality
Product 1: ASUS ROG Harpe Ace Mini
4.5

Build quality is generally praised as solid, sturdy, and well built. A few durability/material caveats appear elsewhere, but the shell and structural feel are usually rated positively.

Product 2: Razer Viper V4 Pro
4.9

Build quality is one of the strongest consensus wins in the review set. Reviewers repeatedly praise rigidity, lack of creak, and confidence-inspiring construction.

button customization
Product 1: ASUS ROG Harpe Ace Mini
4.3

Button and control customization is broadly supported through Armoury Crate or Armoury Crate Gear, with reviewers citing remapping, DPI controls, RGB settings, profiles, and other tuning options.

Product 2: Razer Viper V4 Pro
4.6

Synapse and Synapse Web are repeatedly cited for remapping and control over the available buttons. Reviewers present customization as thorough rather than bare-bones.

button responsiveness
Product 1: ASUS ROG Harpe Ace Mini
4.5

Button responsiveness is praised in the reviews that discuss it, with descriptions such as satisfying, tactile, responsive, bouncy, and precise.

Product 2: Razer Viper V4 Pro
4.8

Button presses are consistently described as responsive, fast, and precise. Multiple reviewers also note that the mouse avoids misclick or laggy-feeling input.

cable flexibility
Product 1: ASUS ROG Harpe Ace Mini
4.4

Cable evidence is limited but positive. Reviewers described the included paracord or braided cable as flexible, thin, high quality, and minimally intrusive.

Product 2: Razer Viper V4 Pro
2.4

The included cable is serviceable for charging, but at least one review directly criticizes the wired experience. Cable feel is not treated as a strength of the package.

charging convenience
Product 1: ASUS ROG Harpe Ace Mini
4.4

Charging convenience is supported by USB-C charging and fast charging mentions. Reviewers liked the front USB-C port and quick top-up language where discussed.

Product 2: Razer Viper V4 Pro
3.6

Charging convenience is mixed. The strong battery life means charging is infrequent, but charging remains cable-only and lacks the ease of a docked solution.

claw grip comfort
Product 1: ASUS ROG Harpe Ace Mini
4.5

Claw grip comfort is a consistent strength. Multiple reviewers identify the mouse as built or optimized for claw grip, especially for small-hand and esports users.

Product 2: Razer Viper V4 Pro
4.6

Claw grip is one of the clearest fit strengths in the reviews. Multiple outlets directly recommend the shape for claw users.

click latency
Product 1: ASUS ROG Harpe Ace Mini
4.5

Click latency is supported by NVIDIA Reflex mention, optical switch comments, and reviewer statements about low or lowest possible latency. The evidence is strongest for click speed rather than formal latency testing.

Product 2: Razer Viper V4 Pro
4.9

One review explicitly cites a 0.204 ms average click latency. That supports the V4 Pro’s positioning as a very fast competitive mouse.

click noise
Product 1: ASUS ROG Harpe Ace Mini
No score yet
Product 2: Razer Viper V4 Pro
3.2

The main clicks are often described as loud, pingy, hollow, or more resonant than muted. This is one of the most common caveats in otherwise positive reviews.

connection stability
Product 1: ASUS ROG Harpe Ace Mini
4.6

Connection stability is praised across wireless modes. Reviewers described easy mode switching, lag-free connectivity, no issues across modes, and extender/receiver placement that can reduce signal dropouts.

Product 2: Razer Viper V4 Pro
4.9

The new dongle and antenna design are repeatedly tied to stable, reliable connections. Reviewers describe the link as solid and dependable in real use.

cross-platform compatibility
Product 1: ASUS ROG Harpe Ace Mini
4.5

Cross-platform evidence is narrower but positive. Reviewers used or positioned the mouse across Windows, MacBook, work, gaming, and mobile setups, mainly through Bluetooth and tri-mode connectivity.

Product 2: Razer Viper V4 Pro
No score yet
debounce customization
Product 1: ASUS ROG Harpe Ace Mini
2.5

Debounce customization is a weakness where directly discussed. One reviewer said the software does not allow adjusting debounce settings because of the optical switches.

Product 2: Razer Viper V4 Pro
No score yet
dock compatibility
Product 1: ASUS ROG Harpe Ace Mini
No score yet
Product 2: Razer Viper V4 Pro
1.5

Reviews explicitly note the absence of a dock or dock compatibility. That omission stands out because the rest of the mouse is positioned as a premium flagship.

DPI range
Product 1: ASUS ROG Harpe Ace Mini
4.7

DPI range is a standout specification. Reviewers repeatedly cite the 42,000 DPI/CPI ceiling and app or onboard controls for preset or fine-tuned DPI settings.

Product 2: Razer Viper V4 Pro
4.9

One review highlights the 50,000 DPI ceiling as a meaningful expansion of the usable adjustment range. Even when reviewers did not need that maximum, they saw the headroom as a clear spec upgrade.

durability over time
Product 1: ASUS ROG Harpe Ace Mini
4.0

Durability evidence is mixed. Optical switches are rated for very high click counts, but one travel-use review reported exterior scuffing after repeated bag use.

Product 2: Razer Viper V4 Pro
4.6

One review explicitly describes the V4 Pro as lighter and more durable than before. That supports the idea that the refinement is not just about speed, but also long-term robustness.

ecosystem integration
Product 1: ASUS ROG Harpe Ace Mini
4.5

Ecosystem integration is a clear ASUS advantage. Reviewers mention the ROG Omni receiver, multi-device ROG support, Aura Sync, and compatibility with other ROG peripherals.

Product 2: Razer Viper V4 Pro
No score yet
ergonomic design
Product 1: ASUS ROG Harpe Ace Mini
4.0

Ergonomics are strong for small and medium hands, but not universal. Reviewers praised comfort and contouring while cautioning that larger hands may struggle or need a different grip.

Product 2: Razer Viper V4 Pro
3.8

The ergonomics are acceptable for a competitive symmetrical mouse, but not a headline strength. Reviews often contrast it with more sculpted ergonomic alternatives.

fingertip grip comfort
Product 1: ASUS ROG Harpe Ace Mini
4.5

Fingertip grip support is explicitly positive in reviews that mention it, with the small low-profile shape described as accommodating fingertip users.

Product 2: Razer Viper V4 Pro
4.6

Fingertip grip is also highlighted as a good match for the Viper V4 Pro’s low-profile symmetrical design. Reviews regularly list fingertip among the preferred grip styles.

FPS gaming suitability
Product 1: ASUS ROG Harpe Ace Mini
4.7

FPS and esports suitability is a major theme. Reviewers cite competitive play, Counter Strike 2, pro-FPS positioning, and fast accurate control as key strengths.

Product 2: Razer Viper V4 Pro
4.8

This is consistently framed as an elite FPS or competitive shooter mouse. Reviews repeatedly connect its shape, low weight, sensor, and latency profile to high-level shooter play.

glide smoothness
Product 1: ASUS ROG Harpe Ace Mini
4.6

Glide smoothness is highly praised. Reviewers cite PTFE feet, smooth glide, easy mousepad movement, and slick slide pads.

Product 2: Razer Viper V4 Pro
4.8

Feet and skates are repeatedly praised for smooth glide and easy fast movement. Several reviews connect the glide quality to the mouse’s competitive feel.

grip texture
Product 1: ASUS ROG Harpe Ace Mini
4.4

Grip texture is a strength. Reviewers mention ridged sides, grippy coating, matte texture, rubber grips, and anti-slip treatment.

Product 2: Razer Viper V4 Pro
4.7

The shell texture or coating is repeatedly praised for helping grip without feeling slippery. Matte and coated finishes are a recurring positive in day-to-day use.

handedness options
Product 1: ASUS ROG Harpe Ace Mini
2.7

Handedness options are limited. Although the shell is sometimes described as symmetrical or ambidextrous, the side buttons favor right-handed use and left-handed users are repeatedly warned away.

Product 2: Razer Viper V4 Pro
2.0

Multiple reviews stress that this is effectively a right-handed mouse because the side buttons sit on the left side only. Left-handed flexibility is limited.

left and right click quality
Product 1: ASUS ROG Harpe Ace Mini
4.5

Main click quality is strong. Reviewers describe the left and right clicks as satisfying, tactile, clear, precise, comfortable, and well implemented.

Product 2: Razer Viper V4 Pro
4.6

Primary clicks are commonly praised for being sharp, tactile, and consistent across the button surface. The consensus is stronger on feel than on sound.

lift-off distance
Product 1: ASUS ROG Harpe Ace Mini
4.4

Lift-off distance is configurable in the sources that discuss it, with High/Low options and software customization noted.

Product 2: Razer Viper V4 Pro
4.5

Lift-off controls and behavior are discussed directly in multiple reviews. Most describe the feature set or results positively, though one reviewer still wanted a lower default lift-off distance.

long-session comfort
Product 1: ASUS ROG Harpe Ace Mini
4.4

Long-session comfort is supported mainly for smaller-hand users and claw/fingertip grips, including explicit extended-session comfort language.

Product 2: Razer Viper V4 Pro
4.7

Low weight and balanced construction help reduce fatigue over long sessions. Multiple reviewers directly connect comfort over time to the mouse’s light, well-distributed design.

macro support
Product 1: ASUS ROG Harpe Ace Mini
4.0

Macro support exists, but one reviewer said full macro options require the heavier Armoury Crate suite rather than only the lighter Gear version.

Product 2: Razer Viper V4 Pro
4.6

One review explicitly says Synapse is where users create macros. Macro support exists, but it is not a major focus of most reviews.

materials quality
Product 1: ASUS ROG Harpe Ace Mini
4.0

Materials quality is mostly positive but not spotless. Reviewers mention bio-based nylon, a grippy coating, and premium feel, while some note smudging, scuffs, or skepticism about the material.

Product 2: Razer Viper V4 Pro
4.9

Material quality is described as sturdy, dense, and notably premium for such a light mouse. Reviews reject the idea that the shell feels cheap just because it is ultralight.

MMO gaming suitability
Product 1: ASUS ROG Harpe Ace Mini
4.0

MMO suitability is only lightly supported. One review says the sensor and responsiveness make the mouse ideal for MMORPG play, but the limited button count keeps this from being a major strength.

Product 2: Razer Viper V4 Pro
No score yet
MOBA gaming suitability
Product 1: ASUS ROG Harpe Ace Mini
4.2

MOBA suitability is lightly but directly supported by one review, which links the mouse's accuracy and responsiveness to MOBA use.

Product 2: Razer Viper V4 Pro
No score yet
motion consistency
Product 1: ASUS ROG Harpe Ace Mini
4.3

Motion consistency is strong in several tests, with crisp, consistent responsiveness and little wavering, but one review saw rattling at 6400 DPI.

Product 2: Razer Viper V4 Pro
4.6

Movement is described as smooth and more fluid, especially when the mouse is tuned well. Reviews connect that smoothness to tracking quality and high polling support.

onboard memory
Product 1: ASUS ROG Harpe Ace Mini
4.3

Onboard memory/control support is positive where mentioned, with reviewers citing onboard controls, ready-on-the-go memory profiles, and direct setting adjustment.

Product 2: Razer Viper V4 Pro
4.5

One review explicitly mentions onboard profiles that can be adjusted in the browser. That suggests the mouse can hold profile data beyond a purely temporary software session.

palm grip comfort
Product 1: ASUS ROG Harpe Ace Mini
4.0

Palm grip comfort is usable for some smaller-hand users, but larger-hand palm users receive repeated cautions. Scores therefore vary by hand size.

Product 2: Razer Viper V4 Pro
4.1

Palm grip support is workable but not universal. Several reviewers were comfortable with it, while others preferred a more ergonomic shape or wanted more thumb-side contour.

polling rate
Product 1: ASUS ROG Harpe Ace Mini
4.1

Polling rate support is capable but caveated. Reviews cite 1000Hz out of the box and up to 8000Hz with the optional booster, which several consider a downside at the price.

Product 2: Razer Viper V4 Pro
4.8

True 8,000Hz polling is a recurring selling point across the reviews. Several reviewers say the higher polling rate improves smoothness or responsiveness, even if some note the benefit is strongest for competitive play.

portability
Product 1: ASUS ROG Harpe Ace Mini
4.6

Portability is a recurring strength because of the compact shape, light weight, dongle storage, and travel-friendly use cases.

Product 2: Razer Viper V4 Pro
3.0

Portability is not a major strength. One review specifically says the dongle-and-cable setup is less convenient for travel than a simpler all-in-one wireless approach.

premium feel
Product 1: ASUS ROG Harpe Ace Mini
4.6

Premium feel is praised in several reviews through comments about premium impression, masterful feel, and solid execution, despite material caveats elsewhere.

Product 2: Razer Viper V4 Pro
4.7

Several reviews say the mouse feels distinctly premium in hand. That impression comes from the coating, shell rigidity, and overall finish rather than flashy extras.

profile switching
Product 1: ASUS ROG Harpe Ace Mini
4.3

Profile switching is supported through up to five profiles and onboard/software switching. The evidence also includes criticism that some profile switching controls are clunky.

Product 2: Razer Viper V4 Pro
No score yet
programmable buttons
Product 1: ASUS ROG Harpe Ace Mini
4.5

Programmable buttons are supported by multiple reviews citing side buttons, six programmable buttons, remapping, and five programmable buttons.

Product 2: Razer Viper V4 Pro
4.5

Reviews confirm that the side buttons can be programmed. The mouse stays minimal on button count, but the available buttons are still treated as configurable.

RGB features
Product 1: ASUS ROG Harpe Ace Mini
3.8

RGB is intentionally minimal. Reviewers repeatedly note the scroll-wheel-only lighting and customization options, which suits subdued setups but not buyers wanting major flair.

Product 2: Razer Viper V4 Pro
1.8

The lack of RGB is mentioned again and again as part of the Viper V4 Pro’s stripped-down competitive focus. Reviews frame this as a deliberate trade-off for lower weight and better battery life.

scroll wheel quality
Product 1: ASUS ROG Harpe Ace Mini
3.9

Scroll wheel quality is mixed. Some reviewers liked its resistance or light actuation, while others found it stiff, soft, or tighter than prior models.

Product 2: Razer Viper V4 Pro
4.6

The optical scroll wheel is one of the mouse’s strongest recurring positives. Reviews praise its accuracy, defined steps, and consistency, although one review found the detents too soft for precise selection.

sensor performance
Product 1: ASUS ROG Harpe Ace Mini
4.7

Sensor performance is a major strength. Reviews repeatedly cite the AimPoint Pro sensor, high DPI ceiling, precision, reliability, and rock-solid tracking.

Product 2: Razer Viper V4 Pro
4.8

The Focus Pro 50K Gen-3 sensor is repeatedly described as accurate, fast, and technically impressive. Reviews frame it as one of the mouse’s core performance upgrades.

shape comfort
Product 1: ASUS ROG Harpe Ace Mini
4.4

Shape comfort is one of the strongest areas for smaller hands. Reviewers praised the fit, compact shape, and mini proportions, while noting limits for larger hands.

Product 2: Razer Viper V4 Pro
4.6

The safe symmetrical shell is widely described as comfortable and easy to adapt to. Even reviews with ergonomic reservations still treat the shape as broadly successful.

side button quality
Product 1: ASUS ROG Harpe Ace Mini
4.5

Side button quality is generally positive, with praise for placement, feel, and responsiveness, though the right-handed placement limits left-handed use.

Product 2: Razer Viper V4 Pro
4.4

Side buttons are generally seen as easy to reach and unusually good for a lightweight competitive mouse. Several reviews specifically praise their tactility or usability.

skate durability
Product 1: ASUS ROG Harpe Ace Mini
4.5

Skate durability/coverage is supported by PTFE feet, replacement feet, and extra skates in the box. Direct long-term wear evidence is limited, so scores lean positive but not absolute.

Product 2: Razer Viper V4 Pro
No score yet
software stability
Product 1: ASUS ROG Harpe Ace Mini
2.5

Software stability is a weakness where directly discussed. One reviewer reported connection and setting-change errors and restarts needed to get the software working.

Product 2: Razer Viper V4 Pro
3.9

Software behavior is mostly positive, but not flawless. Reviews praise the new web approach while also mentioning older Synapse heaviness or a web app conflict in one case.

software usability
Product 1: ASUS ROG Harpe Ace Mini
3.6

Software usability is mixed. Some reviewers found Armoury Crate Gear clean, intuitive, or lightweight, while others found Armoury Crate clunky, hard to locate, large, outdated, or difficult to navigate.

Product 2: Razer Viper V4 Pro
4.6

Synapse Web is widely seen as a meaningful usability improvement because it makes tuning easier without a heavy install. Across the reviews, software control is generally presented as easy and full-featured.

surface compatibility
Product 1: ASUS ROG Harpe Ace Mini
4.6

Surface compatibility is strong. Reviewers cite surface calibration, almost-all-surface tracking, glass use, and different mousepad/material support.

Product 2: Razer Viper V4 Pro
4.8

Reviews mention reliable tracking and lift-off behavior across different surfaces. Surface handling is treated as dependable rather than finicky.

switch durability
Product 1: ASUS ROG Harpe Ace Mini
4.7

Switch durability is a clear strength due to repeated 100-million-click optical switch claims and comments about double-click avoidance.

Product 2: Razer Viper V4 Pro
4.8

Multiple reviews cite the 100 million click rating and treat the switches as built for long competitive use. Durability is framed as a real upgrade, not a throwaway spec.

switch feel
Product 1: ASUS ROG Harpe Ace Mini
4.5

Switch feel is positive overall, with reviewers describing tactile, responsive, snappy, precise, and comfortable switch behavior.

Product 2: Razer Viper V4 Pro
4.7

The Gen-4 optical switches are usually described as tactile, crisp, lighter to actuate, and responsive. Even reviewers who questioned the sound still tended to praise the core feel.

value for money
Product 1: ASUS ROG Harpe Ace Mini
3.9

Value is mixed. Several reviewers think the price is reasonable versus competitors or sales, while others call it high or note cheaper accurate wireless mice exist.

Product 2: Razer Viper V4 Pro
3.5

Reviewers agree the V4 Pro performs at a premium level, but many still flag the price as hard to justify for non-competitive users. Value is strongest for buyers who specifically want top-tier lightweight FPS performance.

weight
Product 1: ASUS ROG Harpe Ace Mini
4.8

Weight is a major strength, with almost every review emphasizing the roughly 49g ultralight design.

Product 2: Razer Viper V4 Pro
4.8

Nearly every review treats the 49 to 50 gram weight as a defining advantage. The mouse is repeatedly described as feather-light, easy to move, and faster-feeling in hand.

wireless latency
Product 1: ASUS ROG Harpe Ace Mini
4.6

Wireless latency evidence is very positive for low-latency 2.4GHz and SpeedNova use, though the highest polling/latency-reduction path may need an extra booster.

Product 2: Razer Viper V4 Pro
4.9

Several reviews call out very low latency figures or noticeably crisp wireless response. The low-latency wireless link is a major part of the product’s competitive positioning.

wireless performance
Product 1: ASUS ROG Harpe Ace Mini
4.6

Wireless performance is broadly praised through reliable 2.4GHz operation, lag-free connectivity, SpeedNova precision, and long wireless battery life.

Product 2: Razer Viper V4 Pro
4.8

Wireless performance is broadly praised as fast, responsive, and confidence-inspiring. Reviewers often say it feels fully competitive with wired expectations.