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Gamakay LK75 75% Mechanical Keyboard with TFT Smart Display & Knob

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| Gamakay LK75 | Epomaker RT85 | Redragon PENUMBRA K687 |
-20% off 73 Overall/ Value 73.4Build Quality 65.4Customizability 65.9Performance 73.8Productivity 75.5Portability 91.3![]() | 72 Overall/ Value 72.3Build Quality 72.6Customizability 60.7Performance 78.9Productivity 70.7Portability 60.0![]() | |
0.0 stars (0 reviews) | 4.8 stars (38 reviews) | 0.0 stars (0 reviews) |
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Name Gamakay LK75 | Name Epomaker RT85 | Name Redragon PENUMBRA K687 |
Release year 2025 | Release year 2025 | Release year 2025 |
Switch Options Silent | Switch Options Linear, Tactile, Silent | Switch Options Linear |
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 ANSI |
Layout Ergonomics Normal | Layout Ergonomics Normal | Layout Ergonomics Normal |
Knob Support | Knob Support | Knob Support |
Display Support TFT | Display Support TFT | 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 Wired, Wired only |
Polling Rate - | Polling Rate 1000 Hz | Polling Rate - |
Battery capacity 5000 mAh | Battery capacity 8000 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 Top 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 | Backlight Rgb, South-face | Backlight Rgb |
Case Colors | Case Colors | Case Colors |
Case Material - | Case Material Plastic | Case Material Aluminum |
Keycaps Material PBT, ABS | Keycaps Material PBT | Keycaps Material - |
Dimensions - | Dimensions 40 x 360 x 138 mm | Dimensions 43 x 133 x 43 mm |
Weight - | Weight 1000g | Weight 1500g |
The Gamakay LK75 is a 75% mechanical keyboard designed for users who want a compact layout with versatile connectivity and customizable typing options. It suits hobbyists interested in switch variety and those who prefer wireless or wired use. The inclusion of a TFT smart display and knob adds control features that may appeal to users who want quick access to settings or media adjustments.
The keyboard uses a top mount structure, which generally provides a firm and stable typing platform. Specific case materials are unknown, so durability and weight cannot be fully assessed. The design likely balances portability with sturdiness given its compact size and wireless features.
The variety of Gamakay switches includes silent options, which reduce noise for office or shared spaces, and planet switches that may offer different tactile feedback. MDA profile keycaps contribute to a comfortable hand position. The overall sound and feel will depend on the chosen switch type.
The LK75 supports three connection methods: wired USB-C, Bluetooth, and 2.4 GHz wireless. This allows seamless switching between devices or use in different settings, such as a desktop setup or mobile use. Users should consider potential latency differences between wireless modes, which are unknown.