Compare Logitech G915 X Lightspeed vs be quiet! Dark Mount

P1 Logitech G915 X Lightspeed
P2 be quiet! Dark Mount

Comparison Takeaways

Logitech G915 X Lightspeed

Where It Has the Edge

  • wireless performance is 4.7 vs 1.5. Wireless performance was one of the strongest positives, with reviewers repeatedly describing Lightspeed as low-latency, stable, and close...
  • extra gaming features is 4.5 vs 2.3. Extra gaming features received limited but positive evidence, especially for configurable Game Mode and key blocking.
  • size and form factor is 4.1 vs 2.8. Size and form factor were praised for slimness and compact TKL efficiency, but some reviewers still found layouts...
  • reliability is 4.1 vs 2.8. Reliability evidence was generally positive for spill survival and issue-free use, though wake-from-sleep sluggishness was a minor frustration.

be quiet! Dark Mount

Where It Has the Edge

  • ease of switch replacement is 5.0 vs 1.8. Ease of switch replacement was positively supported by the hot-swap design and included tools, making switch and keycap...
  • hot-swappable switches is 5.0 vs 1.8. Hot-swappable switches were consistently praised for making switches and keycaps easy to replace or customize.
  • sound dampening is 5.0 vs 2.2. Sound dampening was one of the clearest strengths, with reviewers praising the multi-layer foam/silicone system for reducing echo,...
  • acoustics is 5.0 vs 3.3. Acoustics were exceptional in the reviews that discussed them directly, with reviewers saying the silent operation was nailed.
Average score
Product 1: Logitech G915 X Lightspeed
4.0
Product 2: be quiet! Dark Mount
4.0
acoustics
Product 1: Logitech G915 X Lightspeed
3.3

Reviewers were split on acoustics: tactile/clicky sounds were sometimes satisfying or improved, but rattling, ping, and membrane-like notes bothered enthusiasts.

Product 2: be quiet! Dark Mount
5.0

Acoustics were exceptional in the reviews that discussed them directly, with reviewers saying the silent operation was nailed.

actuation consistency
Product 1: Logitech G915 X Lightspeed
4.3

Actuation consistency received limited but positive evidence, with the linear switches described as smooth and consistent.

Product 2: be quiet! Dark Mount
4.8

Actuation was described as smooth, consistent, and accurate, though reviewers also noted the board lacks adjustable actuation controls.

analog input support
Product 1: Logitech G915 X Lightspeed
2.5

Analog input support was a weakness because reviewers noted competing boards offered analog functionality while the G915 X did not.

Product 2: be quiet! Dark Mount
1.5

Analog input support was criticized as absent, with reviewers noting the switches are not analog, optical, or hall effect.

backlight brightness
Product 1: Logitech G915 X Lightspeed
4.6

Backlighting brightness was praised as bright and useful, especially with per-key lighting, though it directly affected battery expectations.

Product 2: be quiet! Dark Mount
3.5

Backlight brightness feedback was mixed: reviewers liked brightness controls, but one noted the display-key brightness could not be adjusted.

battery life
Product 1: Logitech G915 X Lightspeed
4.4

Battery life was one of the strongest recurring positives, usually described as solid to excellent depending on RGB brightness.

Product 2: be quiet! Dark Mount
No score yet
build quality
Product 1: Logitech G915 X Lightspeed
4.3

Build quality was generally praised for a sturdy, premium body, though a few reviewers felt it was only mediocre or less premium than rivals.

Product 2: be quiet! Dark Mount
4.6

Build quality was broadly strong, especially for the core board, with reviewers praising rigidity, premium feel, and robust construction.

cable quality
Product 1: Logitech G915 X Lightspeed
4.2

Cable feedback was mostly positive for length, USB-C charging, and acceptable quality, with one reviewer noting the loss of the old braided cable.

Product 2: be quiet! Dark Mount
3.8

Cable quality received limited but positive-to-mixed feedback, with reviewers noting useful length and toughness but missing older routing or extension conveniences.

compatibility
Product 1: Logitech G915 X Lightspeed
3.4

Compatibility was mixed: reviewers liked Windows, macOS, Bluetooth, and USB use, but called out missing Bolt/Unifying support, Linux gaps, and limited Bluetooth switching.

Product 2: be quiet! Dark Mount
4.8

Compatibility was a strength because reviewers praised the web-based software for Mac, Linux, browser use, and situations where installing software is not allowed.

connectivity
Product 1: Logitech G915 X Lightspeed
4.5

Connectivity was widely praised for tri-mode flexibility and easy switching, with the main caveat being limited multi-device Bluetooth support.

Product 2: be quiet! Dark Mount
3.9

Connectivity was mixed: wired and modular connections could be sturdy and easy, but reviewers also criticized play, no wireless, or wired-only limitations.

customization options
Product 1: Logitech G915 X Lightspeed
4.6

Customization options were a major strength thanks to remapping layers, G-Shift, Keycontrol, lighting controls, and broad key assignment options.

Product 2: be quiet! Dark Mount
4.7

Customization options were a defining strength, with reviewers highlighting modular layouts, remapping, display keys, RGB, macros, and flexible setup choices.

design aesthetics
Product 1: Logitech G915 X Lightspeed
4.6

Design aesthetics were consistently praised for a sleek, premium, low-profile look that fit both gaming and professional desks.

Product 2: be quiet! Dark Mount
4.3

Design aesthetics were mostly praised for mature, premium, clean, or elegant styling, though some reviewers felt it looked dated or plain.

desk space efficiency
Product 1: Logitech G915 X Lightspeed
3.8

Desk space efficiency depended on layout: TKL models were praised for saving space, while the full-size model was criticized for taking more room.

Product 2: be quiet! Dark Mount
4.9

Desk space efficiency was praised because the detachable or left-mounted numpad frees mouse space without giving up full-size functionality.

durability
Product 1: Logitech G915 X Lightspeed
4.6

Durability evidence focused on improved PBT keycaps and stronger long-term wear resistance, with reviewers expecting better resistance to shine and damage.

Product 2: be quiet! Dark Mount
4.8

Durability was supported by praise for PBT keycaps, sturdy construction, long-term feel, and robust materials.

ease of switch replacement
Product 1: Logitech G915 X Lightspeed
1.8

Ease of switch replacement was a clear weakness because reviewers repeatedly criticized soldered, non-hot-swappable switches.

Product 2: be quiet! Dark Mount
5.0

Ease of switch replacement was positively supported by the hot-swap design and included tools, making switch and keycap replacement straightforward.

ergonomics
Product 1: Logitech G915 X Lightspeed
3.7

Ergonomics were mixed: low-profile typing and adjustable feet helped some reviewers, while shallow tilt or sensitivity frustrated others.

Product 2: be quiet! Dark Mount
4.6

Ergonomics were generally positive thanks to angle adjustment, wrist rests, modular positioning, and reduced reach, though magnetic feet had some robustness caveats.

extra gaming features
Product 1: Logitech G915 X Lightspeed
4.5

Extra gaming features received limited but positive evidence, especially for configurable Game Mode and key blocking.

Product 2: be quiet! Dark Mount
2.3

Extra gaming features were a repeated weakness, with reviewers missing hall effect switches, higher polling, SOCD, analog features, and adjustable actuation.

frame rigidity
Product 1: Logitech G915 X Lightspeed
4.6

Frame rigidity was one of the strongest areas, with reviewers repeatedly reporting little to no flex and a rigid aluminum-reinforced frame.

Product 2: be quiet! Dark Mount
4.7

Frame rigidity was repeatedly praised, with reviewers describing the board as solid, planted, robust, and difficult to flex.

gaming performance
Product 1: Logitech G915 X Lightspeed
4.6

Gaming performance was broadly positive, with reviewers describing the keyboard as responsive, capable, and suitable even for competitive play, despite some rival-performance caveats.

Product 2: be quiet! Dark Mount
3.8

Gaming performance was judged good for general play, but not exceptional for competitive users because advanced esports features are missing.

hot-swappable switches
Product 1: Logitech G915 X Lightspeed
1.8

Hot-swappable switch support was consistently criticized because the switches are soldered and cannot be easily replaced.

Product 2: be quiet! Dark Mount
5.0

Hot-swappable switches were consistently praised for making switches and keycaps easy to replace or customize.

keycap quality
Product 1: Logitech G915 X Lightspeed
4.4

Keycap quality was mostly praised for PBT texture, durability, and resistance to shine, though some reviewers still found the feel cheap or scratchy.

Product 2: be quiet! Dark Mount
4.6

Keycap quality was mostly praised for PBT durability, texture, and legend longevity, with one reviewer finding the caps slipperier than a competitor.

key responsiveness
Product 1: Logitech G915 X Lightspeed
4.3

Key responsiveness was generally praised for shallow actuation and snappy inputs, though one negative reviewer found the tactile switch actuation unclear.

Product 2: be quiet! Dark Mount
4.7

Key response was generally described as sharp, precise, and dependable across typing and gaming, with repeated praise for accurate registration.

key spacing
Product 1: Logitech G915 X Lightspeed
3.7

Key spacing was mixed: roomy spacing helped typing for some, while the left-side G keys and cramped TKL layout caused awkwardness for others.

Product 2: be quiet! Dark Mount
No score yet
key stability
Product 1: Logitech G915 X Lightspeed
4.5

Key stability improved over prior models, with reviewers noting reduced wobble, stable keys, and less rattling.

Product 2: be quiet! Dark Mount
5.0

Key stability was strong in the main board, with reviewers highlighting little wobble, consistent stabilized keys, and planted feel.

latency
Product 1: Logitech G915 X Lightspeed
4.7

Latency was consistently praised in Lightspeed or wired use, with reviewers reporting no noticeable lag and very low input delay.

Product 2: be quiet! Dark Mount
4.5

Latency-related feedback was positive where discussed, with reviewers saying response time felt sharp and quick during fast or complex input.

layout options
Product 1: Logitech G915 X Lightspeed
4.4

Layout options received limited positive evidence, with the full-size layout described as sensible and complete.

Product 2: be quiet! Dark Mount
4.8

Layout options were a major strength, with praise for the TKL/full-size modular design, ambidextrous numpad, and many possible configurations.

legend visibility
Product 1: Logitech G915 X Lightspeed
3.6

Legend visibility was mixed: some reviewers found the legends legible and durable, while others said visibility suffers when RGB is off or uneven.

Product 2: be quiet! Dark Mount
3.7

Legend visibility was mixed: shine-through legends and alternative assignments were praised, while stealth lock icons were criticized as hard to see.

macro customization
Product 1: Logitech G915 X Lightspeed
4.6

Macro customization was a major strength, especially on the full-size model with G keys, app-specific macros, and deep assignment layers.

Product 2: be quiet! Dark Mount
4.4

Macro customization was broadly praised for display keys, programmable functions, and Windows macro features, though some reviewers found the scope less advanced or less useful than expected.

materials quality
Product 1: Logitech G915 X Lightspeed
4.3

Materials quality was mostly praised for aluminum, PBT, and premium finishes, though one reviewer felt the light body still seemed plasticky.

Product 2: be quiet! Dark Mount
3.6

Materials quality was mixed: reviewers liked aluminum, PBT, and premium materials, but several criticized plastic or ABS elements at this price.

media controls
Product 1: Logitech G915 X Lightspeed
4.2

Media controls were usually praised, especially the dedicated top controls, though some reviewers found them wasteful or less tactile than main switches.

Product 2: be quiet! Dark Mount
3.5

Media controls were mixed: reviewers liked the dock concept and utility, but many criticized shallow buttons, mushy feel, confusing navigation, or limited flexibility.

noise level
Product 1: Logitech G915 X Lightspeed
3.4

Noise level was mixed: some found tactile switches muted or mic-friendly, while others called the board clicky, loud, or mushy-sounding.

Product 2: be quiet! Dark Mount
4.9

Noise level was the strongest consensus point: reviewers repeatedly called the board extremely quiet, whisper-like, or among the quietest mechanical keyboards they had used.

onboard memory
Product 1: Logitech G915 X Lightspeed
3.3

Onboard memory was mixed: one reviewer valued portable saved profiles, while another found onboard support too limited for complex macros.

Product 2: be quiet! Dark Mount
4.5

Onboard memory was praised where discussed, especially for saving settings or using board-level controls without constant software dependence.

passthrough features
Product 1: Logitech G915 X Lightspeed
No score yet
Product 2: be quiet! Dark Mount
1.5

Passthrough features were a weakness, with reviewers criticizing the lack of USB passthrough or the wired-only connection limitations.

per-key lighting control
Product 1: Logitech G915 X Lightspeed
4.6

Per-key lighting control was well supported, with reviewers praising individual key lighting and detailed color control through G Hub.

Product 2: be quiet! Dark Mount
5.0

Per-key lighting control was positively noted where discussed, especially for custom areas, individual keys, and multi-layer lighting control.

polling rate
Product 1: Logitech G915 X Lightspeed
3.3

Polling rate was mixed: one reviewer found 1,000 Hz steady and suitable, while another criticized it as capped versus newer high-end boards.

Product 2: be quiet! Dark Mount
3.5

The 1,000Hz polling rate was considered fine or a reasonable tradeoff, but reviewers noted it does not compete with faster 8,000Hz gaming boards.

portability
Product 1: Logitech G915 X Lightspeed
3.9

Portability was better on TKL models, which reviewers said could travel easily, while full-size and fragile-feeling concerns reduced enthusiasm.

Product 2: be quiet! Dark Mount
3.5

Portability was limited but not wholly negative: one reviewer found it more portable than a daily driver, though the broader design remains a modular desk keyboard.

profile management
Product 1: Logitech G915 X Lightspeed
4.5

Profile management was generally useful for app and game-specific setups, but some dependence on G Hub remained a limitation.

Product 2: be quiet! Dark Mount
3.8

Profile management was useful but imperfect, with onboard/browser profile handling praised and profile switching or web limitations criticized.

rapid trigger support
Product 1: Logitech G915 X Lightspeed
2.7

Rapid trigger support was a weakness because reviewers noted the G915 X lacks rapid trigger while competitors offer it.

Product 2: be quiet! Dark Mount
1.6

Rapid trigger support was a repeated weakness: several reviewers explicitly missed Rapid Trigger, adjustable actuation, SOCD, or similar modern gaming functions.

reliability
Product 1: Logitech G915 X Lightspeed
4.1

Reliability evidence was generally positive for spill survival and issue-free use, though wake-from-sleep sluggishness was a minor frustration.

Product 2: be quiet! Dark Mount
2.8

Reliability was mixed, with several reviewers reporting bugs, wake issues, profile resets, media desync, loose feet, or port-cover issues.

RGB customization
Product 1: Logitech G915 X Lightspeed
4.2

RGB customization was strong overall, with many lighting effects and per-key options, but some reviewers found G Hub lighting tools limited or underwhelming.

Product 2: be quiet! Dark Mount
4.6

RGB customization was widely praised for deep software control, per-key effects, layers, presets, and web or app configuration.

RGB lighting quality
Product 1: Logitech G915 X Lightspeed
4.3

RGB lighting quality was mostly praised for brightness and evenness, though uneven legend illumination and reliance on RGB for visibility were drawbacks.

Product 2: be quiet! Dark Mount
4.4

RGB lighting quality was generally strong, with praise for vivid, uniform, attractive light bars and ambiance; minor complaints included distracting edge lighting or weak purple tones.

size and form factor
Product 1: Logitech G915 X Lightspeed
4.1

Size and form factor were praised for slimness and compact TKL efficiency, but some reviewers still found layouts cramped or moderately sized.

Product 2: be quiet! Dark Mount
2.8

Size and form factor drew mixed reactions: one reviewer found the look dated, while another called it big with all modules attached.

software quality
Product 1: Logitech G915 X Lightspeed
3.6

Software quality was highly mixed: some reviewers liked G Hub's interface and power, while others called it awful, convoluted, unintuitive, or limited.

Product 2: be quiet! Dark Mount
4.2

Software quality was good overall but inconsistent: reviewers praised the interface and web option, while others reported bugs, missing refinements, or basic functionality.

sound dampening
Product 1: Logitech G915 X Lightspeed
2.2

Sound dampening was a weakness in the limited evidence, with one reviewer saying Logitech lacked the foam and tuning used by more enthusiast boards.

Product 2: be quiet! Dark Mount
5.0

Sound dampening was one of the clearest strengths, with reviewers praising the multi-layer foam/silicone system for reducing echo, vibration, and typing noise.

stabilizer quality
Product 1: Logitech G915 X Lightspeed
4.8

Stabilizer quality received limited but strong praise, with the space bar described as solid no matter where it was pressed.

Product 2: be quiet! Dark Mount
4.9

Stabilizer quality was a standout, with reviewers repeatedly praising lubrication, reduced rattle, and quiet large keys.

switch feel
Product 1: Logitech G915 X Lightspeed
4.1

Switch feel was mixed but leaned positive: many liked the tactile, smooth, or balanced feel, while detractors found the switches mushy or resistant.

Product 2: be quiet! Dark Mount
4.8

Reviewers consistently praised the Dark Mount switches as smooth, quiet, and pleasing to type on, with only minor caveats about personal preference or lack of a thocky feel.

switch options
Product 1: Logitech G915 X Lightspeed
4.1

Switch options were appreciated for offering tactile, linear, and clicky choices, though buyers must choose before purchase.

Product 2: be quiet! Dark Mount
3.5

Switch choice was seen as adequate but somewhat limited: reviewers liked the silent linear and tactile options, while one wanted a wider default selection.

typing comfort
Product 1: Logitech G915 X Lightspeed
4.2

Typing comfort was generally positive for low-profile use and long sessions, but cramped layout, shallow angle, and enthusiast feel concerns created mixed opinions.

Product 2: be quiet! Dark Mount
5.0

Typing comfort was strongly positive, with reviewers calling the board soft, cushioned, comfortable, and suitable for long writing sessions.

typing feel
Product 1: Logitech G915 X Lightspeed
4.2

Typing feel was often praised as satisfying and tactile, though one negative reviewer found it poor and mushy.

Product 2: be quiet! Dark Mount
4.9

Typing feel was one of the strongest areas, repeatedly described as excellent, smooth, cushioned, fast, and satisfying.

value for money
Product 1: Logitech G915 X Lightspeed
3.5

Value for money was the most divided area: some reviewers said the feature set justified the price, while others found it overpriced against rivals.

Product 2: be quiet! Dark Mount
3.5

Value for money split reviewers: some saw strong value in the modules and quiet design, while others felt the high price was hard to justify.

volume control
Product 1: Logitech G915 X Lightspeed
4.4

Volume control was consistently praised for the large smooth roller, its responsiveness, and its daily convenience.

Product 2: be quiet! Dark Mount
3.6

Volume control was mixed, with praise for feel and grip offset by criticism that the roller was imprecise or awkward.

wireless performance
Product 1: Logitech G915 X Lightspeed
4.7

Wireless performance was one of the strongest positives, with reviewers repeatedly describing Lightspeed as low-latency, stable, and close to wired.

Product 2: be quiet! Dark Mount
1.5

Wireless performance was a weakness because reviewers explicitly noted the lack of 2.4GHz or Bluetooth as a drawback for cable-free users.

wrist rest quality
Product 1: Logitech G915 X Lightspeed
3.1

Wrist rest feedback was mixed because the low profile reduced the need for one, but multiple reviewers disliked that no palm or wrist support was included.

Product 2: be quiet! Dark Mount
4.2

Wrist rest quality was mixed but mostly positive: many reviewers found the rests comfortable and secure, while a few criticized alignment, height, or security.