Average score
Product 1: Logitech G915 Lightspeed
4.0
Product 2: Razer BlackWidow V4 Pro
3.9
acoustics
Product 1: Logitech G915 Lightspeed
3.9

The clicky sound remains clearly mechanical, but several reviewers found the overall tone less harsh than some louder full-height competitors.

Product 2: Razer BlackWidow V4 Pro
3.8

Acoustics are solid but switch-dependent. Yellow builds are described as pleasing and controlled, while Green builds can sound louder and more plasticky.

actuation consistency
Product 1: Logitech G915 Lightspeed
4.4

The switches make the actuation point easy to sense, and long-term use reports mention no double presses or missed behavior.

Product 2: Razer BlackWidow V4 Pro
4.5

For the tested Yellow switches, reviewers describe consistent fast reset behavior that keeps repeated presses from dropping inputs.

backlight brightness
Product 1: Logitech G915 Lightspeed
4.4

The backlight is bright enough to stand out in brighter rooms and includes multiple brightness levels for adjustment.

Product 2: Razer BlackWidow V4 Pro
4.3

Brightness is strong and flexible enough to stand out in normal use, with reviewers specifically praising how bright and focused the lighting looks.

battery life
Product 1: Logitech G915 Lightspeed
4.5

Battery life is a clear positive, with repeated 30-hour-at-max-brightness style results and much longer endurance once lighting is reduced or idle dimming kicks in.

Product 2: Razer BlackWidow V4 Pro
No score yet
build quality
Product 1: Logitech G915 Lightspeed
4.8

The board consistently comes across as premium and sturdy, with reviewers highlighting solid construction rather than a hollow or cheap-feeling shell.

Product 2: Razer BlackWidow V4 Pro
4.6

Build quality is widely praised. Reviewers consistently describe the board as premium, sturdy, and well assembled despite some plastic in the chassis.

cable quality
Product 1: Logitech G915 Lightspeed
4.0

The included charging cable is described as braided and nicely finished, though cable discussion is limited in the review set.

Product 2: Razer BlackWidow V4 Pro
4.0

Cable quality is good, with braided detachable cables repeatedly noted, though the dual-cable setup adds clutter if passthrough is enabled.

compatibility
Product 1: Logitech G915 Lightspeed
4.5

Review evidence shows the G915 working across common desktop operating systems and with mobile devices over Bluetooth.

Product 2: Razer BlackWidow V4 Pro
2.5

Compatibility is limited by platform support; one review specifically calls out weak Mac support and points users toward Windows for the full experience.

connectivity
Product 1: Logitech G915 Lightspeed
4.7

Connectivity is a major strength, with Lightspeed, Bluetooth, and wired charging or use all appearing in the review evidence.

Product 2: Razer BlackWidow V4 Pro
3.3

Connectivity is functional but not especially flexible: the board is wired, supports passthrough, and benefits from that for low latency, but several reviews note the loss of wireless.

customization options
Product 1: Logitech G915 Lightspeed
4.8

Beyond RGB alone, reviewers describe a deep overall customization stack covering effects, key assignments, macros, and presets.

Product 2: Razer BlackWidow V4 Pro
4.8

Overall customization is exceptional, especially around key remapping, dial modes, lighting, and workflow tuning.

desk space efficiency
Product 1: Logitech G915 Lightspeed
2.5

Despite the slim deck, the full-size width and extra key columns still eat noticeable desk space.

Product 2: Razer BlackWidow V4 Pro
2.0

Desk-space efficiency is poor. Reviewers repeatedly note that the macro column and large wrist rest make the board hard to justify on tighter setups.

durability
Product 1: Logitech G915 Lightspeed
4.5

Durability feedback is strong, from impact anecdotes to long-term reports of grips and hardware holding up over time.

Product 2: Razer BlackWidow V4 Pro
4.5

Durability evidence centers on the rated 100 million keystroke lifespan and the generally robust construction.

ease of switch replacement
Product 1: Logitech G915 Lightspeed
No score yet
Product 2: Razer BlackWidow V4 Pro
2.0

Switch replacement is not especially easy because the board is not hot-swappable, so changing switches is more restrictive than on enthusiast-oriented alternatives.

ergonomics
Product 1: Logitech G915 Lightspeed
4.4

Low height plus adjustable feet help the keyboard sit comfortably, and reviewers describe the layout as easy to settle into.

Product 2: Razer BlackWidow V4 Pro
3.8

Ergonomics are good in some respects thanks to the wrist rest and comfortable key shapes, but the added side and left macro controls can interfere with hand placement until you adapt.

extra gaming features
Product 1: Logitech G915 Lightspeed
4.5

Game mode, disable-key options, and macro or profile extras give the G915 more gaming-specific utility than a basic wireless keyboard.

Product 2: Razer BlackWidow V4 Pro
4.5

Extra gaming features are plentiful, including macro keys, command-dial functions, polling-rate options, and other gaming-focused controls.

frame rigidity
Product 1: Logitech G915 Lightspeed
4.7

Even with the ultra-thin chassis, reviewers describe the frame as rigid and solid rather than flexy.

Product 2: Razer BlackWidow V4 Pro
4.7

Frame rigidity is excellent, with the board repeatedly described as heavy, planted, and difficult to shift once it is on the desk.

gaming performance
Product 1: Logitech G915 Lightspeed
4.4

Across written and video reviews, the G915 feels fast and accurate in games, with low-profile switches offering a slight speed edge without obvious compromises.

Product 2: Razer BlackWidow V4 Pro
4.5

Gaming performance is consistently strong, with reviewers praising smooth inputs, macro advantages, and dependable action across shooters, MMOs, and general gaming.

hot-swappable switches
Product 1: Logitech G915 Lightspeed
No score yet
Product 2: Razer BlackWidow V4 Pro
1.2

Hot-swappable switches are a clear weakness. Multiple reviewers explicitly note that the full-size V4 Pro does not support hot-swap.

keycap quality
Product 1: Logitech G915 Lightspeed
3.5

Keycap impressions are mixed: some praise the coating and molding, while long-term users call them wobbly, small, or prone to visible wear.

Product 2: Razer BlackWidow V4 Pro
3.5

Keycap quality is decent rather than class-leading: reviewers like the shine-through look and texture, but several note the premium price makes the ABS choice harder to forgive.

key responsiveness
Product 1: Logitech G915 Lightspeed
4.5

The low-profile switches are repeatedly described as speedy and responsive, with fast registration that suits both gaming and quick general use.

Product 2: Razer BlackWidow V4 Pro
4.5

Where responsiveness is discussed directly, presses are described as immediate and dependable, with fast recovery under repeated inputs.

key spacing
Product 1: Logitech G915 Lightspeed
3.1

The smaller, closely packed low-profile keycaps can lead to accidental adjacent-key presses until you adapt.

Product 2: Razer BlackWidow V4 Pro
4.3

Key spacing is generally favorable, with reviewers noting enough separation and room to reduce accidental presses once they adjust to the macro-heavy layout.

key stability
Product 1: Logitech G915 Lightspeed
4.0

Although one review mentions some wiggle when keys are deliberately moved, it still reports a stable base during actual typing.

Product 2: Razer BlackWidow V4 Pro
4.5

Stability is strong where reviewers examined wobble directly, with switches and keycaps described as very tight and controlled.

latency
Product 1: Logitech G915 Lightspeed
4.5

Lightspeed input delay is effectively absent in review use, with reviewers saying it feels immediate or imperceptible in practice.

Product 2: Razer BlackWidow V4 Pro
4.8

Latency is a clear strength in the full-size model, with reviewers repeatedly describing inputs as instantaneous, lag-free, and especially strong for wired competitive play.

layout options
Product 1: Logitech G915 Lightspeed
3.1

The review set mainly describes a full-size, macro-heavy layout rather than a broad range of built-in layout variants.

Product 2: Razer BlackWidow V4 Pro
No score yet
legend visibility
Product 1: Logitech G915 Lightspeed
2.7

Main legends are readable and shine through, but secondary characters or smaller legends are a recurring weakness.

Product 2: Razer BlackWidow V4 Pro
3.0

Legend visibility is mixed. Main legends are praised for shine-through readability, but several reviewers say the media-button legends are too dark or hard to see.

macro customization
Product 1: Logitech G915 Lightspeed
4.6

Macro support is a standout feature, with programmable G keys and even on-board recording in the review evidence.

Product 2: Razer BlackWidow V4 Pro
4.6

Macro customization is a major strength. Across many reviews, the board’s macro keys and remapping options are described as flexible, powerful, and useful for both games and productivity.

materials quality
Product 1: Logitech G915 Lightspeed
4.5

Materials feel upscale for a gaming keyboard, with recurring mentions of aluminum surfaces paired with sturdy plastic reinforcement.

Product 2: Razer BlackWidow V4 Pro
4.3

Material quality is strong overall thanks to the aluminum top case and premium-feeling finishes, though the plastic lower shell keeps it from feeling fully top-tier throughout.

media controls
Product 1: Logitech G915 Lightspeed
4.4

Dedicated media buttons are consistently viewed as a genuine convenience rather than a throw-in extra.

Product 2: Razer BlackWidow V4 Pro
4.5

Media controls are widely praised for convenience and feel, making everyday playback adjustments easier.

noise level
Product 1: Logitech G915 Lightspeed
3.2

Noise depends on switch choice, but the clicky version is still loud enough to be questionable in shared spaces despite being quieter than some rivals.

Product 2: Razer BlackWidow V4 Pro
2.0

Noise level depends heavily on switch choice, but the Green version is explicitly described as very loud.

onboard memory
Product 1: Logitech G915 Lightspeed
4.2

Onboard memory is present for saving profiles or settings directly to the keyboard, reducing dependence on software after setup.

Product 2: Razer BlackWidow V4 Pro
3.8

Onboard memory exists and stores profiles, but some custom behavior still depends on Synapse, so the onboard implementation is useful without being fully self-sufficient.

passthrough features
Product 1: Logitech G915 Lightspeed
1.0

The G915 does not include USB passthrough, and that missing feature is explicitly called out.

Product 2: Razer BlackWidow V4 Pro
3.6

USB passthrough is useful for low-power accessories and convenient desk routing, but reviewers note bandwidth or power limitations and the need for a second cable.

per-key lighting control
Product 1: Logitech G915 Lightspeed
4.5

Review evidence supports granular lighting control, including direct per-key programming and custom schemes through G Hub.

Product 2: Razer BlackWidow V4 Pro
4.5

Per-key lighting control is supported and called out directly, alongside underglow zones for a more elaborate lighting setup.

polling rate
Product 1: Logitech G915 Lightspeed
4.5

Two reviews explicitly call out the fast wireless report rate, citing 1ms or 1,000Hz behavior consistent with premium gaming boards.

Product 2: Razer BlackWidow V4 Pro
4.5

The board’s adjustable polling rate and 8,000Hz ceiling are repeatedly highlighted as premium gaming features, even if some reviewers note many players may not fully notice the difference.

portability
Product 1: Logitech G915 Lightspeed
3.3

The keyboard benefits from being slim and cordless, but its full-size footprint keeps it from being especially travel-friendly.

Product 2: Razer BlackWidow V4 Pro
1.8

Portability is poor. The full-size body, added macro column, and overall heft make this a desk board rather than a travel-friendly one.

profile management
Product 1: Logitech G915 Lightspeed
4.4

The keyboard supports multiple profiles and app-linked behavior, though some setup paths in software can be a little confusing.

Product 2: Razer BlackWidow V4 Pro
4.2

Profile management is solid, with multiple reviews confirming onboard profiles and quick switching for different tasks.

reliability
Product 1: Logitech G915 Lightspeed
4.5

Longer-term reports are encouraging, with no key failures mentioned and the board continuing to function properly over time.

Product 2: Razer BlackWidow V4 Pro
2.9

Reliability is mixed. Reviews mention lighting glitches, occasional wrist-rest connection issues, accidental side-button presses, and some software inconsistency.

RGB customization
Product 1: Logitech G915 Lightspeed
4.8

RGB customization is a strength, with broad effect choices and enough flexibility to create game- or mood-specific lighting setups.

Product 2: Razer BlackWidow V4 Pro
4.5

RGB customization is robust through Synapse and Chroma, including synchronized effects and game-aware lighting options.

RGB lighting quality
Product 1: Logitech G915 Lightspeed
4.0

Lighting is generally vivid and bright, but several reviewers also note light bleed and less-than-perfect sharpness around the keys.

Product 2: Razer BlackWidow V4 Pro
4.6

RGB lighting quality is one of the board’s standout features, with reviewers repeatedly praising the brightness, underglow, wrist-rest lighting, and overall presentation.

size and form factor
Product 1: Logitech G915 Lightspeed
3.7

The G915 is impressively thin for a wireless mechanical board, but the full-size body keeps it from feeling compact overall.

Product 2: Razer BlackWidow V4 Pro
3.1

The full-size form factor gives buyers every control they could want, but several reviewers stress that it is undeniably big and best suited to larger desks.

software quality
Product 1: Logitech G915 Lightspeed
4.3

G Hub is usually praised for broad features and usability, but not every reviewer found the profile or onboard-memory flow intuitive.

Product 2: Razer BlackWidow V4 Pro
3.4

Software quality is mixed. Synapse is often called easy enough to use, but many reviews criticize its background dependency, resource use, or occasional inconsistency.

sound dampening
Product 1: Logitech G915 Lightspeed
No score yet
Product 2: Razer BlackWidow V4 Pro
4.3

Sound dampening is a genuine plus, with multiple reviewers noticing that the internal foam cuts down ping, reverb, and harsher case noise.

stabilizer quality
Product 1: Logitech G915 Lightspeed
No score yet
Product 2: Razer BlackWidow V4 Pro
4.3

Stabilizers are better than expected for a mainstream gaming board, with reviewers noting improved stability, low rattle, and effective factory lubrication.

switch feel
Product 1: Logitech G915 Lightspeed
4.4

Reviewers describe the GL switches as pleasant and buttery once adjusted, with low-profile travel that still feels distinct rather than mushy.

Product 2: Razer BlackWidow V4 Pro
4.3

Across multiple switch variants, reviewers describe the switch feel as smooth, fast, and satisfying, with Yellow switches especially easy to game on and Green switches still enjoyable for clicky fans.

switch options
Product 1: Logitech G915 Lightspeed
4.5

Multiple reviews note three switch choices—clicky, tactile, and linear—giving buyers real feel options instead of a one-switch lineup.

Product 2: Razer BlackWidow V4 Pro
4.0

Reviews confirm two stock switch choices, Green clicky and Yellow linear, which gives buyers a basic choice but not a broad menu of switch options.

typing comfort
Product 1: Logitech G915 Lightspeed
4.1

Typing comfort is generally strong, especially once adjusted to the low-profile design, though a few reviewers reported an initial accuracy penalty.

Product 2: Razer BlackWidow V4 Pro
4.0

Typing comfort is generally good for long sessions, though not every switch variant feels equally cushioned for extended writing.

typing feel
Product 1: Logitech G915 Lightspeed
4.4

Typing feels smoother and more laptop-like than on a traditional tall mechanical board, which some reviewers ended up preferring.

Product 2: Razer BlackWidow V4 Pro
4.0

Typing feel is generally praised for being fast and satisfying, though it depends somewhat on switch choice and the board’s larger layout.

value for money
Product 1: Logitech G915 Lightspeed
2.3

Most reviewers love the feature set but still treat the price as the biggest barrier, especially versus cheaper wired alternatives.

Product 2: Razer BlackWidow V4 Pro
3.9

Value depends on whether you will use the extra features. Many reviewers think the feature set helps justify the price, but several still call the board expensive.

volume control
Product 1: Logitech G915 Lightspeed
4.4

The volume wheel is widely praised for feel and convenience, although one review noticed some lag in on-screen response.

Product 2: Razer BlackWidow V4 Pro
4.5

Volume control is a strong point, with the roller or dial repeatedly described as smooth, satisfying, and easy to use.

wireless performance
Product 1: Logitech G915 Lightspeed
4.4

Lightspeed wireless performance is usually described as wired-like and reliable, though one long-term user reported poor range without careful dongle placement.

Product 2: Razer BlackWidow V4 Pro
No score yet
wrist rest quality
Product 1: Logitech G915 Lightspeed
1.4

There is no included wrist rest, which reviewers repeatedly flag as a miss at this price even if the low profile reduces the need somewhat.

Product 2: Razer BlackWidow V4 Pro
4.4

Wrist rest quality is one of the most praised parts of the package, with reviewers repeatedly calling it soft, comfortable, and premium, even if a few mention connection or height quirks.