Product
Xiaomi Mix Fold 3
Xiaomi Mix Fold 3
Samsung Galaxy Z Flip4
Samsung Galaxy Z Flip4
Battery
Charging 67W wired, PD3.0, QC4, 100% in 40 min 50W wireless, 100% in 55 min 25W wired, 50% in 30 min 15W wireless 4.5W reverse wireless
Type Li-Po 4800 mAh Li-Po 3700 mAh
Body
Build Glass front (folded), plastic front (unfolded), glass back or aramid fiber back, aluminum frame Plastic front (unfolded), glass back (Gorilla Glass Victus+), aluminum frame
Dimensions Unfolded: 161.2 x 143.3 x 5.3 mm Folded: 161.2 x 73.5 x 10.9 mm Unfolded: 165.2 x 71.9 x 6.9 mm Folded: 84.9 x 71.9 x 15.9-17.1 mm
SIM Nano-SIM + Nano-SIM Nano-SIM + eSIM
Weight 255 g or 259 g (8.99 oz) 187 g (6.60 oz)
  - IPX8 water resistant (up to 1.5m for 30 min) Armor aluminum frame
Comms
Bluetooth 5.3, A2DP, LE 5.2, A2DP, LE
Infrared port Yes -
NFC Yes Yes
Positioning GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5) GPS, GLONASS, GALILEO, BDS
Radio No No
USB USB Type-C 3.2, OTG USB Type-C 2.0, OTG
WLAN Wi-Fi 802.11 a/b/g/n/ac/6e/7, dual-band (tri-band after future SW update) Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Display
Resolution 1916 x 2160 pixels (~360 ppi density) 1080 x 2640 pixels (~426 ppi density)
Size 8.03 inches, 206.5 cm2 (~89.4% screen-to-body ratio) 6.7 inches, 101.5 cm2 (~85.4% screen-to-body ratio)
Type Foldable LTPO OLED+, 1B colors, 120Hz, HDR10+, Dolby Vision, 1300 nits (peak) Foldable Dynamic AMOLED 2X, 120Hz, HDR10+, 1200 nits (peak)
  Cover display: AMOLED, 120Hz, HDR10+, Dolby Vision, 2600 nits (peak) 6.56 inches, 1080 x 2520 pixels, 21:9 ratio Corning Gorilla Glass Victus 2 Cover display: Super AMOLED, 1.9 inches, 260 x 512 pixels (Gorilla Glass Victus+)
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer
Launch
Announced 2023, August 14 2022, August 10
Status Available. Released 2023, August 14 Available. Released 2022, August 25
Main Camera
Dual - 12 MP, f/1.8, 24mm (wide), 1/1.76", 1.8µm, dual pixel PDAF, OIS 12 MP, f/2.2, 13mm, 123˚ (ultrawide), 1/3.06", 1.12µm
Features Color spectrum sensor, LED flash, HDR, panorama, Leica lenses LED flash, HDR, panorama
Quad 50 MP, f/1.8, 23mm (wide), 1/1.49", 1.0µm, PDAF, OIS 10 MP, f/2.0, 75mm (telephoto), 1/3.94", 1.0µm, PDAF, OIS, 3.2x optical zoom 10 MP, f/2.9, 115mm (telephoto), 1/3.94", 1.0µm, PDAF, OIS, 5x optical zoom 12 MP, f/2.2, 15mm, 120˚ (ultrawide), 1/3.1", 1.12µm -
Video 8K@24fps, 4K@24/30/60fps, 1080p@30/60/120/240/960/1920fps, Dolby Vision HDR 4K@30/60fps, 1080p@60/240fps, 720p@960fps, HDR10+
Memory
Card slot No No
Internal 256GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM 128GB 8GB RAM, 256GB 8GB RAM, 512GB 8GB RAM
  UFS 4.0 UFS 3.1
Misc
Colors Black, Gold Bora Purple, Graphite, Pink Gold, Blue, Yellow, White, Navy, Khaki, Red
Models 2308CPXD0C SM-F721B, SM-F721B/DS, SM-F721N, SM-F721U, SM-F721U1, SM-F721W, SM-F7210
SAR - 1.02 W/kg (head)     0.94 W/kg (body)    
SAR EU - 1.15 W/kg (head)     1.20 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 26, 34, 38, 39, 40, 41, 42 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66
5G bands 1, 3, 5, 8, 28, 38, 40, 41, 77, 78, 79 SA/NSA 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 75, 77, 78 SA/NSA/Sub6 - International
Speed HSPA, LTE (CA), 5G HSPA, LTE (6CA), 5G
Technology GSM / CDMA / HSPA / EVDO / LTE / 5G GSM / CDMA / HSPA / EVDO / LTE / 5G
  CDMA2000 1xEV-DO SA/NSA/Sub6/mmWave - USA
Our Tests
Battery (old) Endurance rating 117h -
Camera Photo / Video -
Display 1277 nits max brightness (measured) -
Loudspeaker -26.0 LUFS (Very good) -
Performance AnTuTu: 1235547 (v9), 1527952 (v10) GeekBench: 4797 (v5.5), 5296 (v6.0) GFXBench: 74fps (ES 3.1 onscreen) -
Platform
Chipset Qualcomm SM8550-AC Snapdragon 8 Gen 2 (4 nm) Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm)
CPU Octa-core (1x3.36 GHz Cortex-X3 & 2x2.8 GHz Cortex-A715 & 2x2.8 GHz Cortex-A710 & 3x2.0 GHz Cortex-A510) Octa-core (1x3.19 GHz Cortex-X2 & 3x2.75 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510)
GPU Adreno 740 Adreno 730
OS Android 13, upgradable to Android 14, HyperOS Android 12, upgradable to Android 14, One UI 6.1.1
Selfie camera
Features HDR, panorama HDR
Single 20 MP, f/2.3, 23mm (wide), 1/4.0", 0.8µm Cover camera: 20 MP, f/2.3, 23mm (wide), 1/4.0", 0.8µm 10 MP, f/2.4, 26mm (wide), 1/3.0", 1.22µm
Video 1080p@30/60fps 4K@30fps
Sound
3.5mm jack No No
Loudspeaker Yes, with stereo speakers Yes, with stereo speakers
  24-bit/192kHz Hi-Res & Hi-Res wireless audio Tuned by Harman Kardon 32-bit/384kHz audio Tuned by AKG
Tests
Battery (old) - Endurance rating 75h
Camera - Photo / Video
Display - 919 nits max brightness (measured)
Loudspeaker - -27.5 LUFS (Good)
Performance - AnTuTu: 685754 (v8) | 800001 (v9) GeekBench: 3913 (v5.1) GFXBench: 74fps (ES 3.1 onscreen)