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| Yunzii RT80 HE | Epomaker HE75 V2 TMR | Keychron K2 Ultra |
70 Overall/ Value 70.2Build Quality 62.2Customizability 64.9Performance 97.8Productivity 78.9Portability 83.2![]() | 74 Overall/ Value 73.6Build Quality 63.3Customizability 68.9Performance 95.3Productivity 84.1Portability 91.9![]() | 93 Overall/ Value 92.9Build Quality 86.2Customizability 95.1Performance 91.2Productivity 97.6Portability 82.0![]() |
0.0 stars (0 reviews) | 0.0 stars (0 reviews) | 5.0 stars (1 reviews) |
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Name Yunzii RT80 HE | Name Epomaker HE75 V2 TMR | Name Keychron K2 Ultra |
Release year 2025 | Release year 2026 | Release year 2026 |
Switch Options Clicky, Magnetic | Switch Options Linear, Magnetic | Switch Options Tactile, Linear, Clicky |
Profile Normal Profile | Profile Normal Profile | Profile Normal Profile |
Hot Swappable | Hot Swappable | Hot Swappable |
Layout Size 75% | Layout Size 75% | Layout Size 75% |
Layout Standard ANSI | Layout Standard ANSI | Layout Standard ISO-ES, ISO-FR, ISO-IT, ISO, ANSI |
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 Bluetooth, 2.4 GHz, Wired, Wireless | Connection Bluetooth, 2.4 GHz, Wired, Wireless | Connection Bluetooth, 2.4 GHz, Wired, Wireless |
Polling Rate 8000 Hz | Polling Rate 8000 Hz | Polling Rate 8000 Hz |
Battery capacity 5000 mAh | Battery capacity 8000 mAh | Battery capacity 4000 mAh |
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 Gasket Mount | Mount Style Gasket Mount | Mount Style Gasket Mount |
Screw in Stabilizers | Screw in Stabilizers | Screw in Stabilizers |
Sound Dampening | Sound Dampening | Sound Dampening |
Backlight Rgb, South-face | Backlight Rgb, South-face | Backlight Rgb, White, South-face, White South-face |
Case Colors | Case Colors | Case Colors |
Case Material - | Case Material ABS | Case Material Aluminum, ABS |
Keycaps Material PBT | Keycaps Material PC | Keycaps Material PBT |
Dimensions 32 x 135 x 330 mm | Dimensions 43 x 324 x 138 mm | Dimensions 31 x 312 x 122 mm |
Weight 940g | Weight 980g | Weight 1084g |
The Yunzii RT80 Line is a 75% layout mechanical keyboard designed for users who want fast, customizable key response with a smooth typing feel. It suits gamers needing ultra-low latency and adjustable actuation, as well as enthusiasts who value hot-swappable magnetic switches and sound customization. Its multi-device wireless and wired connectivity also make it a flexible option for varied setups.