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| Ajazz AK680 | Skyloong GK75 | Keychron V4 |
70 Overall/ Value 69.8Build Quality 63.7Customizability 67.7Performance 70.4Productivity 78.0Portability 74.6![]() | 79 Overall/ Value 79.2Build Quality 72.0Customizability 82.8Performance 62.3Productivity 86.9Portability 82.5![]() | 91 Overall/ Value 91.3Build Quality 86.0Customizability 99.8Performance 66.5Productivity 94.7Portability 74.8![]() |
0.0 stars (0 reviews) | 4.0 stars (1 reviews) | 5.0 stars (18 reviews) |
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Name Ajazz AK680 | Name Skyloong GK75 | Name Keychron V4 |
Release year 2023 | Release year 2022 | Release year 2022 |
Switch Options Tactile, Linear | Switch Options Tactile, Linear, Clicky, Silent | Switch Options Linear, Tactile, Clicky |
Profile Normal Profile | Profile Normal Profile | Profile Normal Profile |
Hot Swappable | Hot Swappable | Hot Swappable |
Layout Size 65% | Layout Size 75% | Layout Size 60% |
Layout Standard ISO | Layout Standard ANSI, ISO | Layout Standard ISO, JIS, ANSI, ISO-DE |
Layout Ergonomics Normal | Layout Ergonomics Normal | Layout Ergonomics Normal |
Knob Support | Knob Support | Knob Support |
Display Support | Display Support | Display Support |
Mac/Win Support | Mac/Win Support | Mac/Win Support |
Multi-Media Keys | Multi-Media Keys | Multi-Media Keys |
USB-C | USB-C | USB-C |
USB passthrough | USB passthrough | USB passthrough |
Connection Wired, Wired only | Connection Bluetooth, 2.4 GHz, Wired, Wireless, Wired only | Connection Wired, Wired only |
Polling Rate - | Polling Rate - | Polling Rate 1000 Hz |
Battery capacity - | Battery capacity 4000 mAh | Battery capacity - |
Hall Effect Support | Hall Effect Support | Hall Effect Support |
QMK Support | QMK Support | QMK Support |
VIA Support | VIA Support | VIA Support |
VIAL Support | VIAL Support | VIAL Support |
N-Key Rollover | N-Key Rollover | N-Key Rollover |
Rapid Trigger | Rapid Trigger | Rapid Trigger |
Mount Style Tray Mount | Mount Style Gasket Mount | Mount Style Tray Mount |
Screw in Stabilizers | Screw in Stabilizers | Screw in Stabilizers |
Sound Dampening | Sound Dampening | Sound Dampening |
Backlight Rgb | Backlight Rgb, White, North-face | Backlight Rgb, South-face |
Case Colors | Case Colors | Case Colors |
Case Material ABS | Case Material ABS, Aluminum | Case Material Plastic, ABS |
Keycaps Material - | Keycaps Material PBT, ABS | Keycaps Material ABS, PBT, |
Dimensions 19 x 100 x 310 mm | Dimensions 36 x 323 x 41 mm | Dimensions 20 x 117 x 304 mm |
Weight 460g | Weight 1200g | Weight 730g |
The Ajazz AK680 is a compact 65% mechanical keyboard designed for users who want a smaller footprint without sacrificing essential keys. It suits gamers and office users who need a responsive, tactile typing experience with the flexibility to customize switches. Its wired connection and hot-swappable switch support make it practical for those who value durability and personalization.