Average score
Product 1: GravaStar Mercury V75 Pro
4.1
Product 2: Keychron Q5 HE
4.5
acoustics
Product 1: GravaStar Mercury V75 Pro
4.2

Reviewers describe the sound as clacky and generally pleasing, with one noting it is louder and more direct while others call it clean or good sounding.

Product 2: Keychron Q5 HE
4.8

The sound profile is widely praised as top-notch or great-sounding for a Hall Effect board.

actuation consistency
Product 1: GravaStar Mercury V75 Pro
4.4

Actuation and switch behavior are consistently portrayed as precise and responsive, with stable performance, accurate registration, and rapid actuation/deactivation noted across multiple reviews.

Product 2: Keychron Q5 HE
No score yet
analog input support
Product 1: GravaStar Mercury V75 Pro
No score yet
Product 2: Keychron Q5 HE
4.8

The review set confirms analog-style input features such as variable actuation, walk-versus-run behavior, and gamepad analog emulation.

backlight brightness
Product 1: GravaStar Mercury V75 Pro
4.6

Brightness is strong where discussed, with reviewers calling the RGB bright and highlighting brightness controls in the web driver.

Product 2: Keychron Q5 HE
4.5

Reviewers explicitly call the lighting bright and praise the underglow effect.

battery life
Product 1: GravaStar Mercury V75 Pro
No score yet
Product 2: Keychron Q5 HE
3.7

The quoted 100-hour battery figure is decent, but at least one review frames it as weaker than some other Keychron options.

build quality
Product 1: GravaStar Mercury V75 Pro
4.6

Build quality is one of the keyboard's strongest areas, repeatedly described as sturdy, heavy, well-built, high quality, and aluminum-based.

Product 2: Keychron Q5 HE
4.9

Build quality is one of the most consistent strengths in the review set, with repeated praise for the heavy, premium-feeling metal construction.

cable quality
Product 1: GravaStar Mercury V75 Pro
2.2

The included cable is a weak point in the one review that discusses it, because it is a plain rubber USB cable rather than a braided cable.

Product 2: Keychron Q5 HE
4.5

One review specifically calls out the included sleeved cable as premium.

compatibility
Product 1: GravaStar Mercury V75 Pro
4.0

Compatibility is generally positive for keycaps, Windows/Mac use, and select magnetic switch replacements, though switch compatibility still requires checking supported TTC and Gateron models.

Product 2: Keychron Q5 HE
5.0

Reviews explicitly confirm MacOS and Windows support, with easy platform switching.

connectivity
Product 1: GravaStar Mercury V75 Pro
2.2

Connectivity is limited because the keyboard is wired-only; reviewers treat the wired setup as functional but restrictive.

Product 2: Keychron Q5 HE
4.8

Wired USB-C, Bluetooth, and 2.4GHz connectivity are consistently highlighted.

customization options
Product 1: GravaStar Mercury V75 Pro
4.5

Customization is broad, especially around actuation, rapid trigger, lighting, remapping, profiles, and Hall effect features through the web-based driver.

Product 2: Keychron Q5 HE
5.0

Per-key actuation tuning, multi-action keys, RGB control, and profile options make customization one of the keyboard’s clearest strengths.

desk space efficiency
Product 1: GravaStar Mercury V75 Pro
4.1

The 75% layout saves space versus full-size boards by dropping the numpad and full navigation cluster while retaining arrows and useful keys.

Product 2: Keychron Q5 HE
4.5

The 96% layout is specifically praised for packing in many features without the full footprint of a 100% keyboard.

durability
Product 1: GravaStar Mercury V75 Pro
4.5

Durability evidence is positive, with reviewers pointing to heavy-duty construction, high-quality materials, and long switch lifespan claims.

Product 2: Keychron Q5 HE
4.8

Reviewers repeatedly tie the solid chassis and premium materials to long-term sturdiness.

ease of switch replacement
Product 1: GravaStar Mercury V75 Pro
4.7

Switch replacement is easy where discussed, because the Hall effect switches are hot-swappable and do not require soldering.

Product 2: Keychron Q5 HE
No score yet
ergonomics
Product 1: GravaStar Mercury V75 Pro
4.1

Ergonomics are helped by adjustable feet or folding legs that change typing angle, though one reviewer found the feet visually unusual.

Product 2: Keychron Q5 HE
3.9

Typing ergonomics are generally good, but the high-profile design can be less comfortable without a wrist rest.

extra gaming features
Product 1: GravaStar Mercury V75 Pro
4.6

Extra gaming features are a major strength, with rapid trigger, SOCD/LKP, DKS, mod-tap, profile switching, and advanced Hall effect functions cited.

Product 2: Keychron Q5 HE
4.9

Beyond Rapid Trigger, reviews mention quad actuation, Snap Tap, and other advanced gaming features.

frame rigidity
Product 1: GravaStar Mercury V75 Pro
4.6

Frame rigidity is strong, with reviews emphasizing a heavy-duty aluminum or metal case, sturdy feel, and high-quality construction.

Product 2: Keychron Q5 HE
5.0

Reviews say the chassis stays planted and shows essentially no flex, reinforcing its premium desktop-first design.

gaming performance
Product 1: GravaStar Mercury V75 Pro
4.5

Gaming performance is consistently rated highly, with reviewers reporting smooth play, strong FPS performance, no obvious performance complaints, and fast response.

Product 2: Keychron Q5 HE
4.7

Reviewers say the Q5 HE performs very well in shooters and other games, especially thanks to Hall Effect tuning, even if it is not always the absolute fastest option.

hot-swappable switches
Product 1: GravaStar Mercury V75 Pro
4.6

Hot-swap support is clearly present where reviewed, letting users swap compatible magnetic switches without soldering.

Product 2: Keychron Q5 HE
4.0

Reviews indicate the board supports swapping among compatible Gateron double-rail magnetic switches, but not broad switch freedom.

keycap quality
Product 1: GravaStar Mercury V75 Pro
4.0

Keycap quality is mixed: several reviews praise the PBT/PC materials and durability, while Tom's Guide strongly disliked the rough paint-like texture.

Product 2: Keychron Q5 HE
4.7

The included PBT keycaps are repeatedly described as high quality and well made.

key responsiveness
Product 1: GravaStar Mercury V75 Pro
4.5

Key responsiveness is a major strength, with reviewers describing instant key presses, feather-touch activation, ultra-fast response, and rapid registration.

Product 2: Keychron Q5 HE
4.9

Multiple reviews say inputs feel exceptionally responsive, especially in fast-paced games where quick movement and action changes matter.

key spacing
Product 1: GravaStar Mercury V75 Pro
4.3

Key spacing and navigation are mostly positive, with reviewers finding arrows and extra keys easy to locate and useful in the 75% layout.

Product 2: Keychron Q5 HE
No score yet
key stability
Product 1: GravaStar Mercury V75 Pro
4.6

Key stability is directly praised in one review, which notes stable switches with minimal wiggle or wobble.

Product 2: Keychron Q5 HE
4.8

Dual-rail switch design and low wobble are praised across reviews, with specific mentions of reduced wobble and strong key stability.

latency
Product 1: GravaStar Mercury V75 Pro
4.4

Latency performance is strong across gaming-focused reviews, with several noting no lag, low latency, or very fast measured results.

Product 2: Keychron Q5 HE
4.4

Wired and wireless use are generally described as low-lag or free of noticeable input lag, though some reviews still note faster rivals exist.

layout options
Product 1: GravaStar Mercury V75 Pro
4.1

Layout options are solid around the 75% form factor, variants, and configurations, though users wanting larger boards or numpads may still be limited.

Product 2: Keychron Q5 HE
No score yet
legend visibility
Product 1: GravaStar Mercury V75 Pro
4.4

Legend visibility is positive where discussed, with one reviewer noting the large themed legends remain very legible.

Product 2: Keychron Q5 HE
No score yet
macro customization
Product 1: GravaStar Mercury V75 Pro
3.2

Macro customization is mixed: one review says the web software can record macros, while another found no macro recording function at the time of testing.

Product 2: Keychron Q5 HE
4.9

Multiple reviews confirm macro support and multi-action key assignment.

materials quality
Product 1: GravaStar Mercury V75 Pro
4.5

Materials quality is high, with repeated references to aluminum alloy, metal, full aluminum case construction, and sturdy high-quality materials.

Product 2: Keychron Q5 HE
4.9

Evidence points to aluminum or all-metal construction as a major quality highlight.

media controls
Product 1: GravaStar Mercury V75 Pro
4.1

Media controls are present through a volume knob or lever, including mute behavior, though it is not always a traditional rolling knob.

Product 2: Keychron Q5 HE
4.2

One review confirms software-side media shortcuts are available for mapping.

noise level
Product 1: GravaStar Mercury V75 Pro
4.0

Noise level leans clacky and noticeable rather than silent, but reviewers generally describe the sound as acceptable or good rather than harsh.

Product 2: Keychron Q5 HE
4.7

The keyboard is generally described as controlled and not especially loud, making it workable in shared spaces.

onboard memory
Product 1: GravaStar Mercury V75 Pro
4.0

Onboard profile support is only lightly evidenced, with one review mentioning onboard presets and profiles.

Product 2: Keychron Q5 HE
4.5

At least one review says those profiles can be stored on the keyboard’s internal memory.

per-key lighting control
Product 1: GravaStar Mercury V75 Pro
4.6

Lighting control is strong, with per-key RGB, backlighting, side lighting, and lighting controls noted across reviews.

Product 2: Keychron Q5 HE
No score yet
polling rate
Product 1: GravaStar Mercury V75 Pro
4.4

Polling rate is a high-spec strength, with multiple reviews citing or testing 8,000Hz polling, though one reviewer considered it more marketing than noticeable.

Product 2: Keychron Q5 HE
4.0

Reviews consistently cite a 1,000Hz polling rate. That is seen as fine for most users, but not class-leading beside 8,000Hz competitors.

portability
Product 1: GravaStar Mercury V75 Pro
2.6

Portability is a weakness because the board is heavy, wired-only, and visually or physically bulky despite its 75% layout.

Product 2: Keychron Q5 HE
2.2

The heavy all-metal build is a clear downside for travel or moving between setups.

profile management
Product 1: GravaStar Mercury V75 Pro
3.9

Profile management is supported through presets and easy profile switching, though some layer behavior was described as limited or imperfect.

Product 2: Keychron Q5 HE
4.5

One review confirms support for saving up to three profiles for different games or work setups.

rapid trigger support
Product 1: GravaStar Mercury V75 Pro
4.7

Rapid trigger support is a core strength, appearing repeatedly with fine adjustment ranges and advanced Hall effect behavior.

Product 2: Keychron Q5 HE
4.9

Rapid Trigger is a core strength here, with reviewers praising the adjustable near-instant reset behavior for competitive play.

reliability
Product 1: GravaStar Mercury V75 Pro
4.2

Reliability is generally positive where discussed, with the keyboard feeling durable and a reviewer reporting no major issues, though minor double-clicking was noted as fixable.

Product 2: Keychron Q5 HE
No score yet
RGB customization
Product 1: GravaStar Mercury V75 Pro
4.5

RGB customization is extensive, with web software controls for lighting effects, colors, brightness, side lighting, and custom lighting behavior.

Product 2: Keychron Q5 HE
4.7

The board offers meaningful RGB control, including single-color modes, multiple effects, and easy adjustment in software.

RGB lighting quality
Product 1: GravaStar Mercury V75 Pro
4.6

RGB lighting quality is a standout feature, with praise for underglow, side lighting, bright effects, leg lighting, and the visual glow through translucent keycaps.

Product 2: Keychron Q5 HE
4.5

Lighting is described as bright with a strong underglow, though reviews focus more on flexibility than on elaborate visual effects.

size and form factor
Product 1: GravaStar Mercury V75 Pro
4.0

The 75% form factor is generally practical, balancing desk space and function keys, but some users may prefer smaller travel boards or larger layouts.

Product 2: Keychron Q5 HE
4.7

Multiple reviews praise the 96% or compressed full-size design for keeping a numpad while staying more compact than a traditional full-size board.

software quality
Product 1: GravaStar Mercury V75 Pro
4.2

Software quality is mostly positive because the web driver is easy and feature-rich, but some reviews mention early quirks, language issues, or missing macro support.

Product 2: Keychron Q5 HE
4.7

Keychron Launcher is repeatedly described as capable, lightweight, helpful, or easy to use, with strong Hall Effect controls.

sound dampening
Product 1: GravaStar Mercury V75 Pro
4.4

Sound dampening is well supported by foam layers, dampening pads, and case design that reviewers connect to a cleaner clacky sound.

Product 2: Keychron Q5 HE
4.8

Reviews mention internal dampening and foam-based tuning that cut down ping and improve the overall sound profile.

stabilizer quality
Product 1: GravaStar Mercury V75 Pro
4.5

Stabilizers are positively described in the reviews that mention them, with reduced rattling/pinging and good stabilizer sound.

Product 2: Keychron Q5 HE
4.8

At least one review specifically praises the stock stabilizers as excellent out of the box.

switch feel
Product 1: GravaStar Mercury V75 Pro
4.4

Switch feel is generally praised as light, smooth, stable, and pleasant, though switch choice is limited to linear Hall effect options.

Product 2: Keychron Q5 HE
4.7

Reviewers describe the magnetic switches as smooth, linear, and especially pleasant, with multiple reviews praising both feel and responsiveness.

switch options
Product 1: GravaStar Mercury V75 Pro
2.6

Switch options are limited, especially for stock switch choice and for users who want tactile or clicky switches rather than linear magnetic switches.

Product 2: Keychron Q5 HE
2.6

Switch choice is a recurring limitation. Reviews say the board stays within a narrower proprietary or Gateron double-rail magnetic ecosystem.

typing comfort
Product 1: GravaStar Mercury V75 Pro
4.2

Typing comfort is decent to good: reviewers liked the light switches and daily-use feel, though some disliked keycap texture or sensitivity settings.

Product 2: Keychron Q5 HE
4.8

Reviewers say long typing sessions stay comfortable and not especially fatiguing.

typing feel
Product 1: GravaStar Mercury V75 Pro
4.1

Typing feel is generally good or smooth, helped by light switches and sound tuning, but not every reviewer considered it great due to keycap texture or sensitivity.

Product 2: Keychron Q5 HE
4.8

Reviews consistently say the keyboard is excellent to type on, with a premium, smooth, and work-friendly feel.

value for money
Product 1: GravaStar Mercury V75 Pro
3.6

Value for money is divisive: several reviewers find the premium build and design worth it, while Tom's Guide and another reviewer argue cheaper competitors offer better value.

Product 2: Keychron Q5 HE
3.1

Reviewers like the quality level, but pricing is a recurring caveat versus cheaper or faster magnetic boards.

volume control
Product 1: GravaStar Mercury V75 Pro
4.1

Volume control is useful and repeatedly noted, using a knob or lever that can adjust volume and often mute.

Product 2: Keychron Q5 HE
4.5

The knob is explicitly described as controlling volume by default.

wireless performance
Product 1: GravaStar Mercury V75 Pro
1.4

Wireless performance is a clear weakness because the keyboard has no Bluetooth or 2.4GHz wireless mode and is wired-only.

Product 2: Keychron Q5 HE
4.8

Multiple reviews say Bluetooth and 2.4GHz use feel strong, with stable behavior and little noticeable lag.