Average score
Product 1: GravaStar Mercury V75 Pro
4.1
Product 2: Glorious GMMK 2
4.4
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: Glorious GMMK 2
4.4

Case foam and internal tuning keep the sound controlled, with reviewers describing the board as full and free of obvious ping.

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: Glorious GMMK 2
3.3

Switch feel may need break-in, with some early inconsistency noted before the board feels more even from key to key.

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: Glorious GMMK 2
4.7

Backlighting is bright and vivid, helped by transparent switch housings and shine-through design.

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: Glorious GMMK 2
4.3

Build quality feels solid overall, with sturdy construction and enough weight to avoid a flimsy impression.

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: Glorious GMMK 2
4.0

The included braided USB-C cable is generally viewed as decent and serviceable rather than a weak extra.

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: Glorious GMMK 2
4.8

Reviews confirm official Windows and Mac support, plus successful use on PlayStation, Xbox, and Android.

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: Glorious GMMK 2
4.5

Wired connectivity is reliable in the available testing, with direct no-issue reports over USB.

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: Glorious GMMK 2
4.8

Customization is one of the keyboard’s biggest strengths, spanning switches, keycaps, lighting, and broader build choices.

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: Glorious GMMK 2
4.5

The compact footprint saves desk space without stripping away core functionality.

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: Glorious GMMK 2
4.8

The board survived a drop test and is helped by replaceable switches for longer-term use.

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: Glorious GMMK 2
4.6

Replacing switches is easy and beginner-friendly, with multiple reviews emphasizing simple, tool-based swapping.

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: Glorious GMMK 2
3.9

Ergonomics are decent thanks to usable typing angles, but the high profile and lack of an included wrist rest can reduce comfort for some users.

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: Glorious GMMK 2
4.2

Gaming extras include hotkey-based onboard controls plus features like N-key rollover and Windows key lock.

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: Glorious GMMK 2
4.8

The frame feels very rigid, with reviewers specifically noting no twisting, creaking, or flex.

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: Glorious GMMK 2
4.5

Gaming performance is strong, with reviewers reporting responsive play and noticeable benefits from tuning latency.

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: Glorious GMMK 2
4.8

Hot-swap support is a major selling point, with broad 5-pin support repeatedly highlighted.

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: Glorious GMMK 2
4.0

The stock doubleshot ABS caps feel comfortable in use, but reviewers still flag ABS as a step down from PBT.

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: Glorious GMMK 2
4.7

Reviewers consistently call the keys responsive in use, with quick reactions that work well for games.

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: Glorious GMMK 2
3.7

Key spacing is a mixed point: some find it fine, but the tighter 96% layout can cause adjustment errors.

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: Glorious GMMK 2
4.2

Keys are described as stable and pleasant to type on in the standardized usage review.

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: Glorious GMMK 2
4.5

Input latency is adjustable down to 2ms, and reviewers reported a more competitive feel after lowering it.

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: Glorious GMMK 2
4.4

Reviewers like the choice between 65% and 96%, with both sizes seen as useful rather than filler.

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: Glorious GMMK 2
4.5

Shine-through doubleshot legends stay readable and are integrated well into the keycaps.

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: Glorious GMMK 2
4.5

Macro support is robust, with dedicated layers and macro creation available through the software.

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: Glorious GMMK 2
4.3

Material choices balance an aluminum top with plastic or polymer sections, landing as good rather than all-premium.

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: Glorious GMMK 2
4.0

Media controls are available directly on the keyboard through function combinations.

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: Glorious GMMK 2
4.4

For a mechanical keyboard, noise is kept moderate enough that reviewers call it quiet or non-bothersome in shared use.

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: Glorious GMMK 2
4.2

Users can save up to three onboard profiles directly on the keyboard.

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: Glorious GMMK 2
4.7

Per-key RGB control is confirmed across multiple reviews, including individual color setting and individually lit keys.

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: Glorious GMMK 2
4.5

Users can tune polling rate up to 1000Hz, giving the board a full-speed wired setup.

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: Glorious GMMK 2
4.2

The 65% version is presented as a better fit for on-the-go use than larger layouts.

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: Glorious GMMK 2
4.2

Profile management is present, with multiple onboard profiles available for different 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: Glorious GMMK 2
No score yet
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: Glorious GMMK 2
4.5

Reviewers report dependable day-to-day behavior, with the board working without issue and seeming built for repeated refreshes.

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: Glorious GMMK 2
4.5

Lighting customization is flexible, with easy setup, preset selection, and manual per-key adjustment options.

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: Glorious GMMK 2
4.7

Reviews praise the RGB for richer colors, smoother transitions, and an overall strong visual presentation.

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: Glorious GMMK 2
4.4

The 65% and 96% variants keep the board compact while retaining the functions reviewers cared about.

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: Glorious GMMK 2
3.8

Glorious Core is capable and sometimes easy to use, but reviews also call out bugs and limited Mac support.

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: Glorious GMMK 2
4.5

Internal case and PCB foam are repeatedly credited for reducing hollowness and sharpening the 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: Glorious GMMK 2
4.0

Stock stabilizers are generally decent and pre-lubed, though some larger keys still show mild rattle or less-refined feel.

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: Glorious GMMK 2
4.6

Across reviews, the Fox linear switches are described as smooth and satisfying, with strong feel for both typing and games.

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: Glorious GMMK 2
4.2

Switch choice is flexible through barebones builds and configurator options, though prebuilt buyers are largely limited to Fox linears.

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: Glorious GMMK 2
4.6

Typing comfort is a clear strength, with reviewers reporting low fatigue, smooth movement, and long-session comfort.

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: Glorious GMMK 2
4.6

Typing feel is a standout, with reviews repeatedly calling it smooth, satisfying, and impressive out of the box.

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: Glorious GMMK 2
4.7

Value is one of the strongest themes, with several reviews arguing the feature set feels especially compelling at the asking price.

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: Glorious GMMK 2
4.0

Volume control is available on-board through function-layer shortcuts.

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: Glorious GMMK 2
No score yet