Average score
Product 1: GravaStar Mercury V75 Pro
4.1
Product 2: ASUS ROG Azoth
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
4.8

Reviews consistently describe the Azoth as unusually good-sounding for a gaming keyboard, with a refined, quiet, and well-controlled sound profile.

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
4.0

Fresh units feel consistent and measured, though one long-term review reports occasional repeat presses as the board ages.

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
4.2

The backlighting and OLED brightness are easy to adjust, and reviewers found the board usable even with RGB set fairly high.

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

Battery life is a major strength, with multiple reviewers reporting strong real-world endurance even before disabling the OLED or RGB.

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
4.9

Build quality is a standout, with reviewers repeatedly calling the board solid, premium, and unusually hefty for its size.

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
4.2

The included USB cable is consistently described as a long braided cable, which supports the board’s premium feel.

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
4.3

The Azoth works across multiple platforms, with reviewers specifically noting Windows and Mac support and broader cross-platform compatibility.

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
4.7

Tri-mode connectivity is a clear plus, giving users wired USB-C, Bluetooth, and 2.4GHz wireless options that reviewers found easy to use.

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
4.7

Customization is broad, covering key remaps, macros, OLED content, lighting, profiles, and mod-friendly hardware touches.

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
4.7

The 75% layout saves desk space while still leaving room for mouse movement and core keys that smaller boards often drop.

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
4.7

Long-term and shorter reviews both point to durable construction, with strong materials and good aging characteristics over extended 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: ASUS ROG Azoth
4.8

Switch replacement is easy thanks to hot-swap support and included tools, making experimentation much easier than on typical gaming boards.

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
3.2

Ergonomics are mixed: the feet and typing angle help, but the high profile and control design can become tiring or awkward.

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
4.6

Gaming extras are plentiful, including macros, Windows lock, stealth shortcuts, and other gamer-focused convenience 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: ASUS ROG Azoth
4.7

The chassis feels impressively rigid, with reviewers calling it solid and noting very little unwanted 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
4.9

Gaming performance is a major strength, with reviewers praising responsiveness, wireless play, and all-around feel in fast-paced use.

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
5.0

Hot-swap support is one of the Azoth’s defining enthusiast features and is repeatedly highlighted across reviews.

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
4.6

The stock PBT keycaps are generally well liked for texture and durability, even if not every reviewer loved every detail.

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
4.8

Key response is consistently described as quick and responsive, whether the board is used for gaming or general work.

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
3.9

Key spacing is mostly praised for feeling natural on a compact layout, though the screen does force some keys closer together than ideal.

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
4.6

Stability is strong, especially on larger keys, with reviewers calling out controlled stabilizers and reduced wobble.

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
4.8

Latency is a strength, with reviewers repeatedly describing the board as low-latency and hard to distinguish from wired 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
4.4

Layout flexibility is decent for this category, with reviewers noting the 75% format and availability beyond a single regional layout.

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
2.9

Legend visibility is a weak point when the lighting is off, with multiple reviewers saying the legends are hard to see.

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
2.7

Macro support exists, but reviewers repeatedly note limits around secondary layers and more advanced mapping flexibility.

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
4.8

Material quality is high, mixing aluminum, steel, quality plastics, and enthusiast-style components in a premium package.

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
3.9

Media control support is useful overall, though the dial and rocker implementation can be less satisfying than a traditional wheel.

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
4.7

Noise is well managed, especially with quieter switches, and several reviews call the board notably quiet for a gaming keyboard.

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
4.5

Onboard profile storage is a real advantage, letting users keep multiple saved configurations on the keyboard itself.

passthrough features
Product 1: GravaStar Mercury V75 Pro
No score yet
Product 2: ASUS ROG Azoth
1.5

Passthrough and extra ports are a clear weakness, because reviewers explicitly note the lack of USB passthrough and audio jacks.

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
4.7

Per-key lighting control is well supported, with reviewers highlighting both per-key RGB hardware and detailed tuning options.

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
4.5

The 1,000Hz polling rate is in line with premium wireless gaming boards and was treated as fully competitive in reviews.

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
3.4

Portability is mixed: the compact layout helps with travel, but the weight makes it less convenient than lighter small boards.

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
4.4

Profile management is solid, with multiple stored profiles and quick switching available for different setups or tasks.

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
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: ASUS ROG Azoth
4.8

Reliability is strong overall, with reviewers reporting stable wireless use, no missed inputs, and good long-term behavior.

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
4.7

RGB customization is deep, covering effects, brightness, presets, and software-driven personalization.

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
4.4

Lighting quality is generally praised as attractive and useful, though it is more subtle than flashier gaming keyboards.

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
4.7

The 75% form factor is one of the board’s biggest strengths, balancing compact size with much better everyday usability than 60% boards.

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
2.1

Software quality is the clearest drawback, with repeated complaints about Armoury Crate being bloated, slow, unstable, or frustrating.

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
4.8

Sound dampening is excellent thanks to multiple foam and silicone layers that reduce ping, echo, and hollowness.

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
4.7

Stabilizers are a strength, with pre-lubed larger keys delivering smoother travel and better consistency than usual for gaming boards.

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
4.4

Switch feel is strong overall, with smooth stock switches and good variety, though some reviewers still preferred other switch types.

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
4.5

Switch choice is solid, with multiple stock switch variants that cover linear, tactile, and clicky preferences.

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
4.2

Typing comfort is very good for most users thanks to the gasket-style build and compact but still practical layout, though a full-size board can still feel easier for long writing sessions.

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
4.8

Typing feel is one of the Azoth’s biggest strengths, with many reviewers describing it as premium, smooth, and enthusiast-leaning.

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
3.2

Value is mixed: reviewers love the hardware, but many still question whether the premium price is easy to justify.

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
3.2

Volume control works, but the dial and rocker can feel finicky enough that some reviewers found it less convenient than expected.

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
4.9

Wireless performance is a standout, with stable 2.4GHz results, minimal lag, and behavior reviewers considered effectively wired-grade.

wrist rest quality
Product 1: GravaStar Mercury V75 Pro
No score yet
Product 2: ASUS ROG Azoth
2.0

The lack of an included wrist rest hurts long-session comfort for some users, especially given the board’s higher profile.