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- Nuphy Air75 V3 vs Keychron K3 Max
Nuphy Air75 V3 vs Keychron K3 Max
Genral Info
| Brand | Nuphy Keychron |
| Model Name | Air75 V3 K3 Max |
| Series | Air Series K-Series |
| Type | Low-profile Mechanical (Wireless + Wired) Mechanical (Wireless + Wired + 2.4GHz) |
| Layout | 75% (Compact) 75% (84 keys) |
| Release Year | 2024 2023 |
| Use Case | Work, Travel, Productivity Work, Gaming, Productivity |
DESIGN & BUILD
| Frame Material | Aluminum top + polycarbonate bottom ABS + Aluminum frame |
| Plate Material | Aluminum Low-profile plate |
| Keycap Material | Dye-sublimated PBT (low-profile) Low-profile double-shot PBT |
| Color Options | Basalt Black, Ionic White, Mist Blue Black, Grey, Carbon Black |
| Dimensions (L × W × H) | 316 × 132 × 16.5 mm 306 × 116 × 22 mm |
| Weight | 600 g 525 g |
| Form Factor | Compact 75% Ultra-slim 75% |
| Finish | Anodized matte surface Matte texture |
SWITCH & TYPING EXPERIENCE
| Switch Type | Low-profile Mechanical (Hot-swappable) Low-profile mechanical (Hot-swappable MX style) |
| Switch Options | Gateron Low-profile 2.0 Red / Brown / Blue Gateron Low-profile Red / Brown / Blue |
| Mount Type | Gasket mount Gasket-style with foams |
| Stabilizers | Pre-lubed plate-mounted stabilizers Pre-lubed screw-in stabilizers |
| Number of Keys | 84 |
| Typing Angle | Adjustable with magnetic feet 2.5°, 4.2°, 6.5° |
| Key Rollover | Full N-key (wired) / 6-key (Bluetooth) Full NKRO (wired and wireless) |
| Actuation Force | 45 ± 5 g ~45g |
| Key Travel | 1.8 mm actuation / 3.2 mm total 2.0 mm actuation / 3.2 mm total |
| Typing Feel | Soft, snappy, precise feedback with low noise Smooth, quiet low-profile thock |
PERFORMANCE
| Response Time (Bluetooth) | ~8–10 ms ~8–10 ms |
| Anti-Ghosting | 100% NKRO 100% (NKRO) |
| Input Lag | Very low (Gaming Mode) Negligible |
| Latency Mode | Low-latency switch mode 2.4GHz low-latency mode |
RGB & LIGHTING
| Backlight Type | Per-key RGB Per-key RGB |
| LED Orientation | South-facing North-facing |
| Lighting Effects | 20+ preset modes 18+ preset modes |
| Custom Effects | Supported (via VIA/NuPhy Console) Custom via QMK / VIA |
| Brightness Levels | 5-step adjustable 5-step adjustable |
| Control | Software + Function shortcuts Software + onboard shortcuts |
SOFTWARE & CUSTOMIZATION
| Firmware | VIA / QMK compatible (open-source) Open-source QMK / VIA |
| 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 |
| Hotkey Shortcuts | Lighting, media, OS switch RGB, multimedia, device switching |
SOUND & COMFORT
| Acoustic Dampening | Silicone pad + foam layer IXPE foam + latex + silicone |
| Typing Sound Profile | Muted, crisp low-profile sound Quiet, deep low-profile thock |
| Gasket Mount | Flexy gasket mount |
| Noise Reduction | Optimized construction and dampers Improved via internal foams |
| Wrist Rest | Optional accessory Optional |
| Tilt Feet | 2-level magnetic tilt risers 3-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 |
| Layout Options | macOS / Windows keycaps included ANSI / ISO, Mac & Windows keycaps |
BATTERY & CONNECTIVITY
| Battery Capacity | 4000 mAh 1550 mAh (typical) |
| Battery Type | Rechargeable lithium-ion Lithium rechargeable |
| Battery Life (No RGB) | Up to 250 hours Up to 180 hours |
| Battery Life (RGB On) | 70–90 hours 34–68 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 + 2.4 GHz |
| Wired Mode | USB-C USB-C |
| Multi-Device Pairing | Yes, up to 3 devices Up to 3 devices |
| Switch Between Devices | Fn + 1/2/3 Fn + 1/2/3 |
| Polling Rate (Wired) | 1000 Hz 1000 Hz |
| Polling Rate (Wireless) | 125 Hz 90 Hz |
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