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| PBTfans Athena 75 | KBDFans Athena 75 | Keychron 81 Pro |
80 Overall/ Value 80.4Build Quality 81.4Customizability 82.0Performance 70.3Productivity 75.7Portability 62.7![]() | 84 Overall/ Value 83.5Build Quality 83.8Customizability 87.7Performance 70.2Productivity 75.3Portability 62.6![]() | 93 Overall/ Value 92.8Build Quality 87.1Customizability 93.9Performance 81.8Productivity 97.3Portability 81.8![]() |
0.0 stars (0 reviews) | 0.0 stars (0 reviews) | 5.0 stars (8 reviews) |
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Name PBTfans Athena 75 | Name KBDFans Athena 75 | Name Keychron 81 Pro |
Release year 2026 | Release year 2026 | Release year 2023 |
Switch Options Clicky | Switch Options - | Switch Options Linear, Tactile, 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, ISO | Layout Standard ANSI | Layout Standard ANSI |
Layout Ergonomics Split Backspace | Layout Ergonomics Split Backspace | Layout Ergonomics Normal |
Knob Support | Knob Support | Knob Support |
Display Support LCD | Display Support LCD | 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 Wired, Wired only | Connection Bluetooth, Wired, Wireless |
Polling Rate - | Polling Rate - | Polling Rate 1000 Hz |
Battery capacity - | Battery capacity - | 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 Top Mount | Mount Style Top Mount | Mount Style Gasket Mount |
Screw in Stabilizers | Screw in Stabilizers | Screw in Stabilizers |
Sound Dampening | Sound Dampening | Sound Dampening |
Backlight Rgb | Backlight Rgb | Backlight Rgb, South-face |
Case Colors | Case Colors | Case Colors |
Case Material Aluminum | Case Material Aluminum | Case Material Aluminum |
Keycaps Material PBT | Keycaps Material - | Keycaps Material PBT |
Dimensions - | Dimensions - | Dimensions 47 x 338 x 151 mm |
Weight 2200g | Weight 2300g | Weight 1887g |
The PBTfans Athena 75 Orbit is a compact 75% mechanical keyboard suited for users who want a refined, tactile typing experience with customizable aesthetics. It fits enthusiasts who value build quality, sound control, and visual personalization through an integrated HD display. The keyboard supports both solder and hot-swap PCBs, appealing to hobbyists who modify switches or layouts.