
This comparison is for buyers deciding between a feature-rich full-size keyboard and a compact gaming-focused magnetic switch board. The IF99 offers a 95% layout with an LCD screen, QMK/VIA support, and a 8000mAh battery, making it strong for productivity and customization. The RT75 uses Hall Effect magnetic switches with rapid trigger and adjustable actuation, prioritizing low-latency gaming performance. The decision is hard because both are gasket-mounted PBT keyboards from Yunzii at a similar price, yet they target completely different priorities: versatility versus raw gaming speed.
86 Overall/ Value 86.4Build Quality 80.2Customizability 89.8Performance 81.7Productivity 89.2Portability 63.0![]() | 69 Overall/ Value 68.7Build Quality 49.7Customizability 66.6Performance 94.1Productivity 82.5Portability 79.6![]() | Select a keyboard to compare |
0.0 stars (0 reviews) | 0.0 stars (0 reviews) | |
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Name Yunzii IF99 | Name Yunzii RT75 | |
Release year 2025 | Release year 2024 | |
Switch Options Linear | Switch Options Magnetic | |
Profile Normal Profile | Profile Normal Profile | |
Hot Swappable | Hot Swappable | |
Layout Size 95% | Layout Size 75% | |
Layout Standard ANSI | Layout Standard ANSI, JIS | |
Layout Ergonomics Normal | Layout Ergonomics Normal | |
Knob Support | Knob Support | |
Display Support | Display Support | |
Mac/Win Support | Mac/Win Support | |
Multi-Media Keys | Multi-Media Keys | |
USB-C | USB-C | |
USB passthrough | USB passthrough | |
Connection Bluetooth, 2.4 GHz, Wired, Wireless | Connection Wired, Wired only, Bluetooth, 2.4 GHz, Wireless | |
Polling Rate 1000 Hz | Polling Rate 1000 Hz;8000 Hz | |
Battery capacity 8000 mAh | Battery capacity 4000 mAh | |
Hall Effect Support | Hall Effect Support | |
QMK Support | QMK Support | |
VIA Support | VIA Support | |
VIAL Support | VIAL Support | |
N-Key Rollover | N-Key Rollover | |
Rapid Trigger | Rapid Trigger | |
Mount Style Gasket Mount | Mount Style Gasket Mount | |
Screw in Stabilizers | Screw in Stabilizers | |
Sound Dampening | Sound Dampening | |
Backlight Rgb, South-face | Backlight Rgb, South-face | |
Case Colors | Case Colors | |
Case Material - | Case Material - | |
Keycaps Material PBT | Keycaps Material PBT | |
Dimensions 46 x 385 x 143 mm | Dimensions 42 x 334 x 144 mm | |
Weight 1238.5g | Weight 962g |
Choose the Yunzii IF99 if you need a versatile full-size keyboard with wireless flexibility, an LCD screen, and extensive QMK/VIA customization for productivity and content creation. Pick the Yunzii RT75 if your priority is competitive gaming performance with magnetic rapid trigger, adjustable actuation, and the lowest possible latency. Your decision hinges on whether you value layout completeness and software control or raw gaming speed and compact portability.
The RT75 wins only for gaming and travel, thanks to its magnetic rapid trigger technology, higher polling rate, and lighter compact build. However, the IF99 dominates in office, programming, modding, and content creation due to its full 95% layout with number pad, tri-mode wireless, large battery, detailed LCD screen, and QMK/VIA firmware support. For mixed use, the IF99 offers far more versatility, while the RT75 is a specialized tool for competitive players who prioritize response speed over layout size.
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