Compare Glorious Model O Eternal vs Razer Viper V4 Pro

Reviews make clear this is not a 2.4GHz wireless mouse; it is a wired-only budget model, so this attribute is effectively absent.

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 specs are acceptable for the price, with reviewers citing 35G acceleration, but they frame it as adequate rather than enthusiast-grade.

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

Across gaming tests, reviewers found the mouse accurate and dependable, with precise tracking and no major tracking errors reported.

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

The only direct balance evidence is positive: one reviewer credits the balanced dimensions and low weight for flexible grip comfort.

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 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 is not supported; the review evidence describes the Model O Eternal as lacking wireless connectivity.

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

Build quality receives a positive but bounded assessment, with one reviewer finding the shell solid despite the honeycomb design.

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 is a strength for the price, with software support for remapping buttons and quickly adjusting sensitivity or DPI behavior.

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

Main-button responsiveness is consistently praised, with reviewers describing responsive buttons, easy spamming, and tight response.

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

Cable feedback is the main recurring hardware complaint: reviewers mention kinking, stickiness, lack of fabric covering, and snagging.

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 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 is generally supported, though evidence ranges from comfy to merely reasonable depending on reviewer hand position and rear grip.

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

Click latency is strongly positive where tested, with one reviewer reporting no discernible latency.

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 is mixed: one reviewer liked the crisp not-too-loud sound, while another found the clicks quite loud.

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 is strong for wired use, with a reviewer reporting immediate USB-A plug-and-play behavior.

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

Debounce customization is well supported through Glorious Core, including an adjustable debounce range and polling controls.

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.

The 12,000 DPI range is repeatedly described as sufficient or strong for the price, even if below high-end sensors.

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 evidence is positive, especially the solid shell report and 80-million-click switch rating.

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 is supported through Glorious Core, especially for users with several Glorious products.

Ergonomics are a major strength, with multiple reviewers praising the sculpted frame, grip support, and comfortable shape.

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 is one of the clearest strengths, with reviewers calling it comfy, easy, and well suited to the shape.

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 suitability is strong for most players thanks to low weight and responsive tracking, though elite competitive players may want higher polling.

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 receives direct praise from one reviewer, who found the tiny feet did not prevent smooth, high-end-like movement.

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 is mixed because the coating and rear surface are described as less grippy, though not unusably slippery.

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 is mixed: the shape is symmetrical, but side-button placement means the mouse is primarily aimed at right-handers.

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 is a strong point, with reviewers praising crisp, tactile, and precise main clicks.

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 is a limitation because reviewers note missing or fixed LOD controls and a higher fixed 2 mm setting than the predecessor.

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 is positive where tested, with one reviewer using it for several hours without discomfort.

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 is present in Glorious Core, with reviewers describing macro assignment through the key-mapping tools.

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

Materials feel mostly acceptable but not fully premium: one reviewer trusted the shell, while another noted a less premium finish.

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.

Motion consistency is praised in practical testing, with reviewers reporting precise movement implementation and no tracking errors.

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 is a useful feature, with reviewers noting profiles and settings can be stored or saved directly to the mouse.

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 is context-dependent: some reviewers found it suitable, while one disliked side-button reach in palm grip.

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 is acceptable but basic at 1,000Hz, good for most users but behind 4kHz and 8kHz premium mice.

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 is supported mainly by the ultralight 55g frame, though the wired cable keeps it from feeling travel-focused.

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 is mixed: one reviewer says it feels premium for the price, while another says the finish feels less premium than the original.

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 is a real software strength, with evidence for three profiles and storage through Glorious Core.

Programmable buttons are well supported for a budget mouse, with six buttons and software programming options.

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 is a notable feature for an ultralight budget mouse, praised for brightness and customization but not loved aesthetically by everyone.

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 is generally positive, with praise for smoothness and tactility, though one reviewer found it somewhat too smooth-running.

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 is consistently strong for the price, with reviewers describing reliable tracking and effectively flawless practical behavior.

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 is a recurring strength, with reviewers praising the familiar, symmetrical, comfortable form across several grip styles.

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 is split: one reviewer found them too small and easy to miss, while another found them large and accessible.

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.

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 is positive overall: Glorious Core is described as simple, tidy, intuitive, and sufficient for setup.

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.

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

Switch durability is strong for the class, with multiple reviewers citing an 80-million-click rating.

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 is praised, especially the tactile Huano switches and precise response.

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 is the clearest consensus strength, with every real review framing the Model O Eternal as unusually strong for its budget price.

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.

Water and dust resistance is a weakness; the honeycomb shell requires care around spills and dust.

Weight is one of the product's biggest strengths, repeatedly measured or described at 55g and praised as genuinely ultralight.

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 is not applicable because reviewers state the mouse lacks wireless connectivity.

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 is absent by design; reviewers explicitly note the lack of wireless connectivity or wireless powerhouse features.

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