Average score
Product 1: Logitech G305 Lightspeed
3.9
Product 2: Razer Viper V4 Pro
4.2
2.4GHz connectivity
Product 1: Logitech G305 Lightspeed
4.5

The G305 is consistently described as using Logitech Lightspeed over a 2.4GHz dongle rather than Bluetooth. Supporting reviews treat the 2.4GHz connection as central to its stable low-latency wireless performance.

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: Logitech G305 Lightspeed
4.5

Acceleration handling is supported by review evidence that the HERO sensor runs with zero smoothing, filtering, or acceleration. This points to clean motion behavior rather than user-adjustable acceleration controls.

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: Logitech G305 Lightspeed
4.6

Tracking accuracy is one of the most consistently praised areas. Reviews describe accurate, reliable, precise, or near-wired tracking across games and general use, with a few comfort or balance caveats affecting precision rather than the sensor itself.

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: Logitech G305 Lightspeed
2.0

Weight balance is mixed to negative. Several reviews note the AA battery pushes weight toward the back, creating a rear-heavy feel or lack of balance that can affect control for sensitive users.

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: Logitech G305 Lightspeed
4.4

Battery life is a clear strength. Reviewers repeatedly cite 250-hour AA runtime, endurance modes, and long real-world use, with some long-term comments reporting months or more from one battery.

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: Logitech G305 Lightspeed
1.4

Bluetooth support is weak because the G305 relies on its USB dongle. Multiple reviews explicitly mention the lack of Bluetooth as a flexibility drawback, even though several also say gamers may prefer the 2.4GHz link.

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: Logitech G305 Lightspeed
4.4

Build quality is generally strong. Reviews describe a sturdy, tight, well-constructed plastic shell with good fit, though the removable cover and long-term switch durability receive isolated criticism elsewhere.

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: Logitech G305 Lightspeed
4.1

Button customization is well supported through Logitech software. Reviews mention remapping buttons, assigning functions, DPI changes, profiles, and macros, though the simple six-button layout limits how much can be customized.

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: Logitech G305 Lightspeed
4.3

Button responsiveness is mostly positive. Main clicks are described as light, sharp, tactile, crisp, and reactive, though a few reviewers warn that very light clicks can cause accidental presses or that side buttons feel weaker.

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: Logitech G305 Lightspeed
4.4

There is no attached cable in normal use, so reviewers frame cable freedom as a benefit rather than cable quality. Evidence focuses on avoiding snagging and cord resistance, plus the included receiver extension cable.

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: Logitech G305 Lightspeed
2.2

Charging convenience is a drawback. The G305 uses an AA battery and does not support USB-C, wired play, or built-in recharging, though some reviewers like being able to swap batteries quickly.

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: Logitech G305 Lightspeed
4.0

Claw grip comfort is generally favorable. Several reviews say the small egg shape works well for claw grip, though comfort depends on hand size and battery weight.

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: Logitech G305 Lightspeed
4.7

Click and wireless latency are strong. Reviews repeatedly cite 1ms response, lag-free behavior, wired-like feel, or no noticeable input delay in gaming.

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: Logitech G305 Lightspeed
2.8

Click noise is mixed. Some reviews describe average noise, while others call the clicks or wheel loud enough to notice in an office or shared room.

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: Logitech G305 Lightspeed
4.7

Connection stability is a major strength. Reviews report no lag, no dropouts, no freezes, stable receiver performance, and reliable operation across typical desk or room distances.

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: Logitech G305 Lightspeed
4.1

Cross-platform evidence is limited but positive where mentioned. Reviews cite Windows, Mac, Chrome OS, Android, or broad Windows use, while the USB dongle requirement limits use with some devices.

Product 2: Razer Viper V4 Pro
No score yet
debounce customization
Product 1: Logitech G305 Lightspeed
1.5

Debounce customization is not a G305 strength. The main evidence is a comparison noting that cheaper alternatives can offer adjustable debounce time among features the G305 lacks.

Product 2: Razer Viper V4 Pro
No score yet
dock compatibility
Product 1: Logitech G305 Lightspeed
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: Logitech G305 Lightspeed
4.0

DPI range is consistently described as adequate but not extreme. The mouse reaches 12,000 DPI or CPI, which reviewers say is enough for most users, though lower than some competitors.

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: Logitech G305 Lightspeed
3.1

Durability over time is mixed. Several reviews praise the shell staying in good shape or sturdy construction, while long-term evidence includes faded cosmetic branding, squeaks, and one failure after about two years.

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: Logitech G305 Lightspeed
4.0

Ecosystem integration is supported mainly through Logitech G Hub and G-Shift. Reviews mention Discord, OBS, Logitech keyboard compatibility, and input analysis, but this is not the mouse’s main strength.

Product 2: Razer Viper V4 Pro
No score yet
ergonomic design
Product 1: Logitech G305 Lightspeed
3.0

Ergonomics are mixed. Some reviewers find the simple shape comfortable, while others say it lacks ergonomic support and can be too flat or small for larger hands and marathon use.

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: Logitech G305 Lightspeed
4.2

Fingertip grip comfort is favorable. Multiple reviewers say the compact shape suits fingertip use, especially for smaller or average hands, and some suggest larger hands may need fingertip rather than palm grip.

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: Logitech G305 Lightspeed
4.5

FPS suitability is strong. Reviews test or discuss Counter-Strike, Valorant, Overwatch, Fortnite, and other shooters, usually tying good FPS use to the sensor, latency, and light compact shell.

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: Logitech G305 Lightspeed
4.0

Glide is generally good but not unanimous. Many reviewers praise smooth PTFE movement, while some note small stock feet, dragging, friction, or improvements from aftermarket skates.

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: Logitech G305 Lightspeed
3.5

Grip texture is mixed. Smooth plastic, matte finish, side texture, and dual texture are praised in some reviews, while others want more texture or find the coating sweat-prone.

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: Logitech G305 Lightspeed
3.1

Handedness is mixed. The shape is often described as symmetrical or ambidextrous, but the left-side thumb buttons make practical use better for right-handed users.

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: Logitech G305 Lightspeed
4.3

Left and right click quality is generally positive. Reviews cite mechanical buttons, low actuation force, satisfying feedback, and button tensioning, with some concern about long-term switch durability.

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: Logitech G305 Lightspeed
No score yet
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: Logitech G305 Lightspeed
3.3

Long-session comfort is polarized. Light clicks can reduce fatigue, but the small, flat shape and side-finger support can become uncomfortable for some users during long sessions.

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: Logitech G305 Lightspeed
4.0

Macro support is present through Logitech software. Reviews mention assigning macros, extra layers of keybindings, or custom commands, although the small number of buttons limits complex setups.

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: Logitech G305 Lightspeed
4.5

Materials quality is positive where directly discussed. Reviewers describe good-feeling plastic, a matte body, high-quality components, and a smooth substantive case at the price.

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: Logitech G305 Lightspeed
4.0

MMO suitability is only lightly supported. Some reviews mention World of Warcraft or Diablo III working well, but the six-button layout limits heavy MMO command mapping compared with mice built for many side buttons.

Product 2: Razer Viper V4 Pro
No score yet
MOBA gaming suitability
Product 1: Logitech G305 Lightspeed
4.0

MOBA suitability is supported by click-heavy game comments. Reviewers mention League of Legends or DOTA-style use, with mechanical switches and repeated clicking called out as useful.

Product 2: Razer Viper V4 Pro
No score yet
motion consistency
Product 1: Logitech G305 Lightspeed
4.6

Motion consistency is strong. Reviews cite no smoothing, no filtering, smooth acceleration, accurate consistent performance, and resilient tracking.

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: Logitech G305 Lightspeed
4.2

Onboard memory is a useful strength. Multiple reviews say the mouse can save profiles or settings onboard, making it easier to travel or use without reinstalling software.

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: Logitech G305 Lightspeed
3.3

Palm grip comfort is mixed. Some reviewers find the G305 comfortable in palm grip, but others say the low, narrow, compact shell is awkward or poorly supportive for palm users, especially with larger hands.

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: Logitech G305 Lightspeed
4.2

Polling rate support is solid for the price. Reviews repeatedly cite 1000Hz or 1ms operation, with endurance mode lowering responsiveness to extend battery life.

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: Logitech G305 Lightspeed
4.4

Portability is strong. Reviews point to small size, light build, receiver storage, laptop-bag use, travel convenience, and easy setup as practical advantages.

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: Logitech G305 Lightspeed
4.1

Premium feel is moderate to good. The G305 feels sturdy, smooth, and well built for its price, but reviewers also call it basic, plain, no-frills, and less feature-rich than premium mice.

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: Logitech G305 Lightspeed
4.2

Profile switching is supported through software and onboard storage. Reviews mention game-specific profiles, per-program profiles, DPI presets, saved profiles, and profile changes based on apps or games.

Product 2: Razer Viper V4 Pro
No score yet
programmable buttons
Product 1: Logitech G305 Lightspeed
4.2

Programmable buttons are well supported, but the count is modest. Reviews consistently mention six programmable or customizable buttons, with some criticism that there are not many extra 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: Logitech G305 Lightspeed
1.2

RGB features are essentially absent. Reviews repeatedly say there is no RGB or lighting, sometimes treating this as a drawback and sometimes as a clean, battery-saving design choice.

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: Logitech G305 Lightspeed
4.0

Scroll wheel quality is generally solid. Reviews describe it as tactile, smooth, snappy, rubberized, or pleasant, though some note noise or lack of horizontal scrolling.

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: Logitech G305 Lightspeed
4.6

Sensor performance is a major strength. The HERO sensor is repeatedly described as excellent, accurate, efficient, responsive, and strong for gaming at the price.

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: Logitech G305 Lightspeed
4.1

Shape comfort depends on hand size and grip. Some reviews like the simple egg shell, while others find the dimensions small, flat, or awkward for large 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: Logitech G305 Lightspeed
3.4

Side button quality is mixed. Reviews like the placement in some cases, but several criticize resistance, mushiness, lack of right-side buttons, or limited side-button count.

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: Logitech G305 Lightspeed
4.3

Skate durability is supported by PTFE foot comments and a travel rating. Some reviews praise durable smooth PTFE feet, while others suggest aftermarket skates to improve glide.

Product 2: Razer Viper V4 Pro
No score yet
software stability
Product 1: Logitech G305 Lightspeed
4.0

Software stability has limited evidence. One review says G Hub became much more usable after earlier buggy behavior, and other reviews do not report major stability problems.

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: Logitech G305 Lightspeed
4.1

Software usability is generally positive. Reviews describe Logitech software or G Hub as simple, easy, useful, or straightforward for remapping, DPI, polling, profiles, and macros.

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: Logitech G305 Lightspeed
4.2

Surface compatibility is mostly good. Reviews cite use on mousepads, desks, cloth, hard and soft surfaces, and many surfaces, while glass is repeatedly the weak spot.

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: Logitech G305 Lightspeed
3.7

Switch durability is mixed. Specs and reviews mention 10 million or 50 million click ratings, but long-term user evidence includes a failed left click and minor squeak.

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: Logitech G305 Lightspeed
4.3

Switch feel is mostly positive. Reviewers describe crisp, springy, tactile, light, clicky, or satisfying primary buttons, though a few prefer the feel of other Logitech models.

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: Logitech G305 Lightspeed
4.4

Value for money is one of the strongest themes. Reviewers repeatedly emphasize low price, affordability, and high wireless performance for the money, while some note competing mice now offer more features.

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: Logitech G305 Lightspeed
3.6

Weight is divisive. The G305 is light for an AA-powered wireless mouse in some reviews, but heavy for its size or compared with newer ultralight mice in others.

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.

weight tuning
Product 1: Logitech G305 Lightspeed
3.6

Weight tuning is limited but possible through battery swaps and mods. Reviews mention no official adjustable weight system, but lighter lithium or AAA battery changes can reduce weight.

Product 2: Razer Viper V4 Pro
No score yet
wireless latency
Product 1: Logitech G305 Lightspeed
4.7

Wireless latency is excellent. Reviews repeatedly describe 1ms latency, wired-like response, imperceptible lag, and no discernible delay in real gaming.

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: Logitech G305 Lightspeed
4.6

Wireless performance is a headline strength. Reviews describe Lightspeed as stable, responsive, fast, lag-free, and comparable to wired mice under normal gaming conditions.

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.