Compare Xiaomi Mix Fold 4 vs Xiaomi Redmi K90

Xiaomi Mix Fold 4
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Xiaomi Redmi K90
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  Xiaomi Mix Fold 4 Xiaomi Redmi K90
Launch
Version July 2024 October 2025
Network
Technology 5G 5G
Body
Dimensions Unfolded: 159.4 x 143.3 x 4.6 mm --- Folded: 159.4 x 73.1 x 9.5 mm 157.5 x 75.3 x 8 mm (6.20 x 2.96 x 0.31 in)
Weight 226 g or 228 g 206 g (7.27 oz)
SIM Dual SIM Nano-SIM + Nano-SIM
Design Glass front, plastic front, aluminum frame Glass front, aluminum frame
Others IPX8 water resistant IP68 dust tight and water resistant
Display
Type Foldable LTPO AMOLED, 1B colors, 120Hz, HDR10+, Dolby Vision LTPO AMOLED, 68B colors, 120Hz, Dolby Vision, HDR Vivid, HDR10+
Size 7.98 inches 6.59 inches
Resolution 2224 x 2488 pixels 1156 x 2510 pixels
Protection
Various Cover display: LTPO AMOLED, 68B colors, 120Hz, HDR10+, Dolby Vision, 6.56 inches, 1080 x 2520 pixels
Platform
Operating System Android 14, HyperOS Android 16, HyperOS 3
Chipset Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm) Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm)
CPU Octa-core (1x3.3 GHz Cortex-X4 & 3x3.2 GHz Cortex-A720 & 2x3.0 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520) Octa-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
GPU Adreno 750 Adreno 830
Memory
Card Slot No No
Internal 256GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM 256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
Camera
Primary 50 MP (f/1.7) (Optical Image Stabilization) + 10 MP (5x optical zoom) + 50 MP (2x optical zoom) + 12 MP (120°) 50 MP, f/1.9, 24mm (wide), OIS + 50 MP, f/2.2, (telephoto), 2.5x optical zoom + 8 MP, f/2.2, 120˚ (ultrawide)
Features Laser AF, LED flash, HDR, panorama, Leica lenses Color spectrum sensor, LED flash, HDR, panorama
Video 8K@24fps, 4K@60fps, 1080p@960fps, 720p@1920fps 8K@30fps, 4K@60fps, 1080p@960fps
Selfie 16 MP, Cover camera: 16 MP 20 MP 1080p@30/60fps
Sound
Loudspeaker Yes, with stereo speakers Yes, with stereo speakers
3.5mm Jack No No
Extra 24-bit/192kHz Hi-Res & Hi-Res, Wireless audio Snapdragon Sound Tuned by Bose, 24-bit/192kHz Hi-Res & Hi-Res wireless audio
Comms
Wifi a/b/g/n/ac/6e/7, dual-band a/b/g/n/ac/6/7, dual-band
Bluetooth 5.4 5.4
GPS Yes Yes
NFC Yes Yes
Infrared Yes Yes
Radio No No
USB USB Type-C 3.2 USB Type-C
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, color spectrum, barometer Fingerprint (under display, optical), accelerometer, proximity, gyro, compass
Miscellaneous Two-way satellite communication
Battery
Battery type 5100 mAh 7100 mAh
Charging 67W wired, 50W wireless 100W wired, 22.5W reverse wireless
Misc
Colors Black, White, Blue Black, White, Blue, Purple
Models 2510DRK44C
Inside the box
Price 1200 USD 360 USD
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