Average score
Product 1: Logitech G515 Rapid
3.9
Product 2: Razer BlackWidow V4 Pro
3.9
acoustics
Product 1: Logitech G515 Rapid
4.5

Reviewers describe the keyboard as quieter than clicky boards, with a short, refined sound rather than a loud clatter.

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 G515 Rapid
4.3

The adjustable actuation and release tuning is repeatedly framed as useful for dialing in consistent response, whether the goal is speed or fewer accidental inputs.

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.

analog input support
Product 1: Logitech G515 Rapid
4.5

The magnetic analog switches are described as reading input across their travel, giving the board true analog-style depth awareness rather than a single fixed trigger point.

Product 2: Razer BlackWidow V4 Pro
No score yet
backlight brightness
Product 1: Logitech G515 Rapid
4.0

Backlighting is described as strong on the main keys, with bold, bright illumination in normal use.

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.

build quality
Product 1: Logitech G515 Rapid
4.5

Across reviews, the chassis is consistently described as sturdy, well-built, dense, and rock solid for a slim keyboard.

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 G515 Rapid
No score yet
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 G515 Rapid
4.0

One review explicitly lists support for Windows 10/11 PCs and macOS 12 or later.

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 G515 Rapid
2.5

The G515 Rapid TKL is consistently described as wired-only, which helps performance but limits versatility versus wireless alternatives.

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 G515 Rapid
4.5

Customization is one of the keyboard's headline strengths, with repeated praise for per-key actuation tuning, remapping, multi-action inputs, and broader key personalization.

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 G515 Rapid
4.5

The tenkeyless low-profile design is repeatedly credited with saving desk space and leaving more room for mouse movement.

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 G515 Rapid
4.3

Durability is a positive theme, with reviewers pointing to durable switch tech, long-lasting keycaps, and a sturdy overall build.

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 G515 Rapid
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 G515 Rapid
4.3

The low-profile shape and adjustable feet are described as comfortable to use and easier on the wrists over longer sessions.

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 G515 Rapid
4.5

Competitive-focused extras such as key priority, SOCD-style behavior, game mode, and other advanced gaming functions are repeatedly highlighted.

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 G515 Rapid
4.5

A steel top plate and low-flex construction give the board strong rigidity despite its slim profile.

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 G515 Rapid
4.7

Gaming performance is the product's clearest strength, with reviewers repeatedly calling it fast, precise, and especially good for competitive play.

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 G515 Rapid
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 G515 Rapid
4.5

The keycaps are repeatedly described as premium-feeling PBT caps with good texture and better long-term quality than cheaper alternatives.

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 G515 Rapid
4.5

Reviewers consistently describe the keys as quick to react, precise in motion, and strong for fast gaming inputs.

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 G515 Rapid
3.3

Key spacing gets mixed commentary: some reviewers say the layout does not feel cramped, while others note the tighter spacing can cause occasional missteps.

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 G515 Rapid
3.0

Key stability is mostly good, but one reviewer specifically noted minor wobble on some caps during rapid presses.

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 G515 Rapid
5.0

One review explicitly frames the wired connection as delivering zero latency, no interference, and no input drops.

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.

legend visibility
Product 1: Logitech G515 Rapid
2.5

Legend visibility is mixed to poor on some keys, with repeated notes about uneven illumination on larger legends and limited local-language backlighting.

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 G515 Rapid
4.5

Macro and multi-step input support is a clear feature, with reviews mentioning recorded macros, personalized macros, and dynamic or multi-action key behavior.

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 G515 Rapid
4.2

Materials quality is generally strong thanks to the steel plate and PBT caps, though one review notes the broader package still feels more plastic than some rivals.

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 G515 Rapid
1.9

Dedicated media controls are a common omission across reviews, with multiple writers calling out the lack of easy-access playback controls.

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 G515 Rapid
4.5

Noise output is a strength: the board is repeatedly described as quiet, reduced in audible feedback, and free of unwanted echo.

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 G515 Rapid
3.5

Onboard profiles are available, but at least one reviewer notes that accessing and saving them is less direct than it should be.

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 G515 Rapid
No score yet
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 G515 Rapid
4.5

Per-key lighting control is supported, with reviewers specifically mentioning per-key RGB customization and individual-key lighting changes in software.

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 G515 Rapid
3.5

The board is explicitly described as using a stable 1,000 Hz polling rate, but it is also noted that it does not reach 8,000 Hz.

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 G515 Rapid
4.5

Its light weight and slim TKL footprint make it easier to place and carry than bulkier full-height boards.

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 G515 Rapid
3.3

Profile support exists, but reviewers report some friction around profile saving, switching, or reliability depending on the setup.

Product 2: Razer BlackWidow V4 Pro
4.2

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

rapid trigger support
Product 1: Logitech G515 Rapid
4.5

Rapid Trigger support is repeatedly highlighted as a major feature and one of the biggest practical gaming benefits of the keyboard.

Product 2: Razer BlackWidow V4 Pro
No score yet
reliability
Product 1: Logitech G515 Rapid
4.5

General reliability is positive, with reviews describing the board as consistently responsive in use and software that stays stable during operation.

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 G515 Rapid
4.5

RGB customization is broad, with software control over colors, effects, and other lighting behavior receiving positive mention.

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 G515 Rapid
3.7

Lighting quality is generally attractive and vibrant, but multiple reviews also note uneven illumination on larger keys or legends.

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 G515 Rapid
4.5

The keyboard's form factor is a major selling point: it is repeatedly described as a very slim 22 mm low-profile TKL board.

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 G515 Rapid
3.9

G Hub is widely seen as powerful and feature-rich, but several reviews also describe it as clunky, less friendly, or awkward in some workflows.

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 G515 Rapid
4.5

Dampening layers and a sound-dampened chassis help suppress echo and soften impact noise.

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 G515 Rapid
4.5

At least one review specifically praises the board for feeling free of rattle and for keeping the keys properly stabilized.

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 G515 Rapid
4.5

Switch feel is generally praised for being smooth and satisfying, though the softer low-profile character is not ideal for everyone.

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 G515 Rapid
No score yet
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 G515 Rapid
4.3

Typing comfort is generally good thanks to the quiet low-profile design and reduced strain over longer sessions.

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 G515 Rapid
2.5

Typing feel is the main tradeoff: several reviewers call it soft, mushy, hollow, or less satisfying than taller or more tactile alternatives.

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 G515 Rapid
2.8

Value is divisive. Some reviewers think the specialized performance justifies the price, while others see the wired design and omissions as weak value.

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 G515 Rapid
2.0

Volume adjustment exists, but the lack of a dedicated dial or wheel is a recurring complaint.

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 G515 Rapid
1.5

Wireless performance is effectively absent because this model is wired-only, and several reviewers treat that missing convenience as a meaningful downside.

Product 2: Razer BlackWidow V4 Pro
No score yet
wrist rest quality
Product 1: Logitech G515 Rapid
No score yet
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.