Lofree Flow84 vs Keychron K3

	Lofree Flow84 – Full specification	Keychron K3 – Full specification
Overview
Our Rating	8.4	8.6
Brand	lofree	Keychron
Category	Keyboard	Keyboard
Genral Info
Brand	Lofree	Keychron
Model Name	Flow84	K3
Series	Flow Series	K-Series
Type	Mechanical (Wireless + Wired)	Mechanical (Wireless + Wired)
Layout	75% (84 keys)	75% (Low-profile tenkeyless)
Release Year	2024	2021
Use Case	Work, Typing, Creative, Productivity	Work, Travel, Productivity
DESIGN & BUILD
Frame Material	Aluminum alloy unibody	Aluminum top frame + plastic bottom
Plate Material	PC (polycarbonate)	Steel
Keycap Material	PBT (Low-profile double-shot)	ABS (Low-profile double-shot)
Color Options	White, Basalt Black, Mist Blue	Black, Grey
Dimensions (L × W × H)	316 × 125 × 26 mm	306 × 116 × 22 mm
Weight	820 g	480 g
Form Factor	Compact 75% layout	Compact 75%
Finish	Smooth anodized surface with matte edges	Matte anodized texture
SWITCH & TYPING EXPERIENCE
Switch Type	Low-profile mechanical (hot-swappable)	Low-profile Mechanical (Hot-swappable)
Switch Options	Lofree Ghost Linear / Ghost Tactile (Kailh low-profile compatible)	Keychron Low-profile Red / Blue / Brown
Mount Type	Gasket-mounted structure	Plate mount
Stabilizers	Pre-lubed plate-mounted stabilizers	Clip-in stabilizers (factory-lubed)
Typing Angle	6° fixed incline	Adjustable (2 levels)
Key Rollover	Full N-key (wired) / 6-key (Bluetooth)	Full N-key (wired) / 6-key (Bluetooth)
Actuation Force	45 g ± 10 g	~45g (depends on switch)
Key Travel	1.2 mm actuation / 2.8 mm total	1.2 mm actuation / 2.5 mm total
Typing Feel	Low-profile, soft, responsive, and quiet	Short travel, crisp feedback, quiet
PERFORMANCE
Response Time (Bluetooth)	8–10 ms (Bluetooth)	~8–10 ms
Response Time (Bluetooth)	8–10 ms (Bluetooth)	~8–10 ms
Anti-Ghosting	100% NKRO	Full NKRO (wired)
Input Lag	Minimal (Performance Mode)	Minimal (low-latency mode)
Latency Mode	Adjustable Low-latency mode	Low-latency toggle available
RGB & LIGHTING
Backlight Type	White LED (adjustable)	Per-key RGB
LED Orientation	South-facing	South-facing
Lighting Effects	10 preset animation modes	18+ preset effects
Custom Effects	Supported via companion software	Supported via VIA/QMK
Brightness Levels	5-step brightness control	4-step adjustable
Control	Onboard shortcuts + software	Software + onboard shortcuts
SOFTWARE & CUSTOMIZATION
Firmware	Lofree OS (custom, VIA-compatible)	QMK / VIA compatible
Key Remapping	Yes (via software)	Fully programmable
Macro Support	Supported	Yes
Profile Storage	3 onboard profiles	3 onboard profiles
Firmware Update	Available via USB	Yes, via USB-C
Hotkey Shortcuts	Lighting, media, function layer toggles	RGB control, device switch, media
SOUND & COMFORT
Acoustic Dampening	Integrated foam and silicone pad under PCB	Foam-padded layers
Typing Sound Profile	Soft “thock” with muted bottom-out	Soft and clean low-tone sound
Gasket Mount	Gasket mount adds flexible cushioning	—
Noise Reduction	Internal insulation layers for noise reduction	Optimized with switch pads
Wrist Rest	Optional magnetic rest (sold separately)	Optional (sold separately)
Tilt Feet	Rubber base pads for stability	2-level adjustable
Support and compatibility
Software Support	macOS, Windows, Linux, Android, iOS	macOS, Windows, Linux, Android, iOS
Plug-and-Play	Yes	Yes
Layout Options	macOS / Windows legends included	macOS / Windows keycaps included
BATTERY & CONNECTIVITY
Battery Capacity	2000 mAh	1550 mAh
Battery Type	Rechargeable lithium-ion	lithium battery
Battery Life (No RGB)	Up to 40 hours	Up to 90 hours
Battery Life (RGB On)	10–15 hours	30–35 hours
Charging Port	USB Type-C	USB Type-C
Charge Time	2.5 hours	Around 2.5 hours
Wireless Mode	Bluetooth 5.1	Bluetooth 5.1
Wired Mode	USB-C cable	USB-C cable connection
Multi-Device Pairing	Yes, up to 3 devices	Up to 3 devices
Switch Between Devices	Fn + 1/2/3 shortcuts	Fn + 1/2/3 shortcuts
Polling Rate (Wired)	1000 Hz	1000 Hz
Polling Rate (Wireless)	125 Hz	125 Hz