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- Nuphy Air75 V3 vs Keychron K2 HE
Nuphy Air75 V3 vs Keychron K2 HE
Genral Info
| Brand | Nuphy Keychron |
| Model Name | Air75 V3 K2 HE |
| Series | Air Series K-Series |
| Type | Low-profile Mechanical (Wireless + Wired) Magnetic Hall Effect (Wireless + Wired) |
| Layout | 75% (Compact) 75% Compact |
| Release Year | 2024 2025 |
| Use Case | Work, Travel, Productivity Work, Gaming, Productivity |
DESIGN & BUILD
| Frame Material | Aluminum top + polycarbonate bottom Aluminum top frame + reinforced plastic bottom |
| Plate Material | Aluminum Steel |
| Keycap Material | Dye-sublimated PBT (low-profile) PBT (Double-shot) |
| Color Options | Basalt Black, Ionic White, Mist Blue Black, Space Grey |
| Dimensions (L × W × H) | 316 × 132 × 16.5 mm 313 × 123 × 38 mm |
| Weight | 600 g 850 g |
| Form Factor | Compact 75% Compact 75% |
| Finish | Anodized matte surface Matte anodized texture |
SWITCH & TYPING EXPERIENCE
| Switch Type | Low-profile Mechanical (Hot-swappable) Magnetic Hall Effect (Hot-swappable) |
| Switch Options | Gateron Low-profile 2.0 Red / Brown / Blue Keychron Magnetic Linear / Tactile |
| Mount Type | Gasket mount Gasket mount with dual silicone layers |
| Stabilizers | Pre-lubed plate-mounted stabilizers Pre-lubed screw-in stabilizers |
| Typing Angle | Adjustable with magnetic feet Adjustable (3 levels) |
| Key Rollover | Full N-key (wired) / 6-key (Bluetooth) Full N-key (wired) / 6-key (Bluetooth) |
| Actuation Force | 45 ± 5 g 40–45 g (adjustable) |
| Key Travel | 1.8 mm actuation / 3.2 mm total 4.0 mm total |
| Typing Feel | Soft, snappy, precise feedback with low noise Smooth, adjustable, low wobble |
PERFORMANCE
| Response Time (Bluetooth) | ~8–10 ms ~8–10 ms |
| Anti-Ghosting | 100% NKRO 100% NKRO |
| Input Lag | Very low (Gaming Mode) Negligible (Gaming Mode) |
| Latency Mode | Low-latency switch mode Low-latency mode toggle |
RGB & LIGHTING
| Backlight Type | Per-key RGB Per-key RGB |
| LED Orientation | South-facing South-facing |
| Lighting Effects | 20+ preset modes 22+ preset modes |
| Custom Effects | Supported (via VIA/NuPhy Console) Supported (via VIA/VIAL software) |
| Brightness Levels | 5-step adjustable 5-step adjustable |
| Control | Software + Function shortcuts Software + onboard function controls |
SOFTWARE & CUSTOMIZATION
| Firmware | VIA / QMK compatible (open-source) QMK / VIA compatible |
| Key Remapping | Fully programmable Fully programmable |
| Macro Support | Yes Multi-layer macros |
| Profile Storage | 3 onboard profiles Up to 3 onboard profiles |
| Firmware Update | Supported via USB-C Supported via USB-C connection |
| Hotkey Shortcuts | Lighting, media, OS switch RGB control, multimedia, layer switching |
SOUND & COMFORT
| Acoustic Dampening | Silicone pad + foam layer Integrated silicone and foam layers |
| Typing Sound Profile | Muted, crisp low-profile sound Soft, deep, and quiet |
| Gasket Mount | Provides cushioned, flexible typing |
| Noise Reduction | Optimized construction and dampers Stabilizer pads and internal dampening foam |
| Wrist Rest | Optional accessory Optional (sold separately) |
| Tilt Feet | 2-level magnetic tilt risers Dual-level adjustable |
Support and compatibility
| Software Support | macOS, Windows, Linux, iOS, Android macOS, Windows, Linux, Android, iOS |
| Supported OS | VIA cross-platform |
| Plug-and-Play | Yes Yes, no driver needed |
| Layout Options | macOS / Windows keycaps included macOS / Windows keycaps included |
BATTERY & CONNECTIVITY
| Battery Capacity | 4000 mAh 4000 mAh |
| Battery Type | Rechargeable lithium-ion Lithium-polymer |
| Battery Life (No RGB) | Up to 250 hours Up to 200 hours |
| Battery Life (RGB On) | 70–90 hours Around 80 hours |
| Charging Port | USB Type-C USB Type-C |
| Charge Time | Approx. 3 hours Approx. 3 hours |
| Wireless Mode | Bluetooth 5.1 Bluetooth 5.1 |
| Wired Mode | USB-C USB-C cable connection |
| Multi-Device Pairing | Yes, up to 3 devices Yes, up to 3 devices |
| Switch Between Devices | Fn + 1/2/3 Fn + 1/2/3 shortcuts |
| Polling Rate (Wired) | 1000 Hz 1000 Hz |
| Polling Rate (Wireless) | 125 Hz 125 Hz |
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