Average score
Product 1: GravaStar Mercury V75 Pro
4.1
Product 2: ASUS ROG Azoth X
4.2
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: ASUS ROG Azoth X
4.4

Reviews praise clean, satisfying acoustics, though some note a louder or less consistent spacebar and a brighter sound than enthusiast boards.

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: ASUS ROG Azoth X
4.5

Reviewers describe the switches as even, smooth, and consistent through the press, supporting dependable key travel.

analog input support
Product 1: GravaStar Mercury V75 Pro
No score yet
Product 2: ASUS ROG Azoth X
1.1

Reviews explicitly note the lack of hall-effect-style analog control, so analog-style input features are absent.

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: ASUS ROG Azoth X
4.8

Reviews call the lighting bright and easily adjustable, with especially strong perceived brightness from the translucent keycaps.

battery life
Product 1: GravaStar Mercury V75 Pro
No score yet
Product 2: ASUS ROG Azoth X
4.8

Multiple reviews highlight standout endurance, with long real-world use and strong wireless runtime even if RGB and OLED reduce the headline figure.

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: ASUS ROG Azoth X
4.2

The board is generally sturdy and well assembled, but some reviewers still say it falls short of feeling fully premium for the price.

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: ASUS ROG Azoth X
4.1

The included cable is consistently described as braided or sleeved, with solid accessory quality overall.

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: ASUS ROG Azoth X
4.5

Reviews mention Mac support and good aftermarket keycap compatibility from the south-facing PCB.

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: ASUS ROG Azoth X
4.8

Tri-mode wired, Bluetooth, and 2.4GHz connectivity is a clear strength across reviews.

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: ASUS ROG Azoth X
4.7

Reviews highlight easy customization via software, the OLED controls, and accessible internals or hot-swap design.

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: ASUS ROG Azoth X
4.5

The 75% footprint is repeatedly described as compact and desk-friendly without feeling cramped.

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: ASUS ROG Azoth X
3.8

PBT caps and long-wear construction are positives, but one reviewer reports easy cosmetic scratching on the finish.

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: ASUS ROG Azoth X
4.7

Hot-swap access and included tools make switch changes straightforward.

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: ASUS ROG Azoth X
4.3

Wrist rest support and angle options help comfort, though the rest is not always attached magnetically.

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: ASUS ROG Azoth X
4.2

Speed Tap and OLED-based system or media utilities add gaming-oriented extras beyond basic typing.

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: ASUS ROG Azoth X
4.6

Despite mixed materials, reviews consistently describe the chassis as rigid, stable, and free of deck 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: ASUS ROG Azoth X
4.2

Gaming performance is strong for a traditional mechanical board, though the positioning is more mainstream or casual than cutting-edge esports.

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: ASUS ROG Azoth X
4.7

Reviews consistently confirm hot-swappability and easy swap support.

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: ASUS ROG Azoth X
4.5

Keycaps get consistent praise for material quality, finish, and non-slip or translucent design, though texture preferences vary.

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: ASUS ROG Azoth X
4.6

Keys are described as snappy, responsive, and quick in both typing and gameplay.

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: ASUS ROG Azoth X
3.8

One review notes more space between keys and suggests it may reduce accidental presses, though some adjustment may be needed.

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: ASUS ROG Azoth X
4.6

Stabilized keys and switch stems are described as stable with little wobble or rattle.

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: ASUS ROG Azoth X
4.6

Wireless latency is described as low or effectively unnoticeable in use.

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: ASUS ROG Azoth X
4.3

Reviews mention the 75% layout plus Mac mode and ISO or ANSI context, but not a wide range of physical layouts in the box.

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: ASUS ROG Azoth X
4.5

Legends and secondary labels are generally easy to read and clearly printed.

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: ASUS ROG Azoth X
4.5

Macro assignment is supported and described as easy through software or onboard functions.

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: ASUS ROG Azoth X
3.9

Materials are decent and functional, but repeated plastic-base comments keep them from feeling truly top-tier for the money.

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: ASUS ROG Azoth X
4.5

The OLED and knob controls for media and track handling are a recurring convenience feature.

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: ASUS ROG Azoth X
3.9

Noise is generally controlled and office-friendly, but several reviews call out a louder or thunkier spacebar and larger keys.

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: ASUS ROG Azoth X
4.4

One review explicitly notes onboard memory for saving settings without leaving software open.

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: ASUS ROG Azoth X
4.4

One review explicitly cites per-key RGB support.

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: ASUS ROG Azoth X
4.0

The standard 1000Hz polling rate is seen as sufficient for most users, but not class-leading without the optional booster.

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: ASUS ROG Azoth X
3.3

Compact size helps, but multiple reviewers also note the weight and desk-bound nature of the board.

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: ASUS ROG Azoth X
4.3

Reviews mention active profiles, profile switching, and saved settings, suggesting solid basic profile handling.

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: ASUS ROG Azoth X
1.1

Reviews explicitly say rapid trigger is not included, which limits the board versus hall-effect gaming options.

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: ASUS ROG Azoth X
4.6

Wireless use is repeatedly described as stable, smooth, and dropout-free in testing.

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: ASUS ROG Azoth X
4.6

Reviews point to broad RGB control through onboard menus, software, and multiple presets or effects.

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: ASUS ROG Azoth X
4.7

The translucent keycaps produce vivid diffusion and a strong visual effect, though not everyone loves the styling.

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: ASUS ROG Azoth X
4.5

Reviews consistently frame it as a compact 75% board with a good balance of keys and space savings.

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: ASUS ROG Azoth X
3.8

Gear Link or web control is praised, while Armoury Crate remains divisive due to bloat, crashes, or setup friction.

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: ASUS ROG Azoth X
4.7

Multi-layer foam and silicone dampening is repeatedly cited as a major contributor to the refined stock sound.

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: ASUS ROG Azoth X
4.6

Stabilizers are usually praised as lubed, stable, and rattle-free, though spacebar tuning opinions still vary by review.

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: ASUS ROG Azoth X
4.6

Switch feel is widely praised for smoothness, confidence, and refined stock feel.

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: ASUS ROG Azoth X
4.4

Reviews confirm at least linear and clicky stock options, plus easy swapping for other MX-style switches.

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: ASUS ROG Azoth X
4.6

Long-form typing is repeatedly described as comfortable and pleasant.

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: ASUS ROG Azoth X
4.7

The board’s typing feel is one of its biggest strengths, with springy, refined, custom-leaning feedback.

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: ASUS ROG Azoth X
2.2

Nearly every value discussion is negative because the board is expensive relative to strong competitors.

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: ASUS ROG Azoth X
4.5

The knob and OLED setup gives quick access to volume adjustments and related controls.

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: ASUS ROG Azoth X
4.8

Wireless performance is repeatedly called stable, fast, and dependable.

wrist rest quality
Product 1: GravaStar Mercury V75 Pro
No score yet
Product 2: ASUS ROG Azoth X
4.5

The included silicone or rubber wrist rest is frequently described as comfortable and useful.