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| Keychron Z5 Ultra | Chilkey ND75 | Epomaker RT75 |
79 Overall/ Value 78.8Build Quality 75.2Customizability 82.0Performance 74.4Productivity 75.5Portability 82.1![]() | -15% off 69 Overall/ Value 69.0Build Quality 65.9Customizability 66.3Performance 61.2Productivity 75.8Portability 79.5![]() | |
0.0 stars (0 reviews) | 0.0 stars (0 reviews) | 5.0 stars (4 reviews) |
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Name Keychron Z5 Ultra | Name Chilkey ND75 | Name Epomaker RT75 |
Release year 2026 | Release year 2024 | Release year 2026 |
Switch Options - | Switch Options Linear | Switch Options Linear, Tactile, Silent |
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 - | Layout Standard ANSI, ISO, ISO-DE | Layout Standard ANSI |
Layout Ergonomics Normal | Layout Ergonomics Normal | Layout Ergonomics Normal |
Knob Support | Knob Support | Knob Support |
Display Support LED | Display Support | Display Support TFT |
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 | Connection Bluetooth, 2.4 GHz, Wired, Wireless, | Connection Bluetooth, 2.4 GHz, Wired, Wireless |
Polling Rate 8000 Hz | Polling Rate - | Polling Rate 1000 Hz |
Battery capacity - | Battery capacity 3600 mAh | Battery capacity 5000 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 Plate Mount | Mount Style Gasket Mount |
Screw in Stabilizers | Screw in Stabilizers | Screw in Stabilizers |
Sound Dampening | Sound Dampening | Sound Dampening |
Backlight | Backlight Rgb | Backlight Rgb, South-face |
Case Colors | Case Colors | Case Colors |
Case Material - | Case Material Aluminum | Case Material ABS |
Keycaps Material - | Keycaps Material PBT | Keycaps Material PBT |
Dimensions - | Dimensions - | Dimensions 45 x 352 x 142 mm |
Weight - | Weight 1680g | Weight 1165g |
Keychron Z5 Ultra Dual is a mechanical keyboard, but the available information does not confirm its layout, connection options, construction, or switch type. It may suit someone considering a mechanical board, but there is not enough verified detail to tell whether it fits a particular desk setup, typing preference, or gaming use.
The name alone does not establish what “Ultra Dual” means in practical use. Switch feel, sound, key remapping, operating-system support, and customization options are Unknown. If any of these are important to your decision, check the specification table for confirmed details before comparing it with alternatives.
Potential fit: It is a mechanical keyboard, which may appeal if you are specifically looking for that keyboard category.
Unclear typing experience: Switch type, mounting style, and acoustic details are Unknown, so feel and sound cannot be assessed.
Unclear setup flexibility: Connectivity, compatibility, and firmware support are Unknown, making it difficult to judge fit for multiple devices or custom keymapping.
Limited basis for comparison: The available information does not support a recommendation for gaming, quiet office use, or switch-swapping.
Consider the Z5 Ultra Dual only if the confirmed details elsewhere match your needs. Without those details, its main advantages and limitations cannot be reliably compared with other boards.