Xiaomi Mix 4 vs Xiaomi Mi Mix 2

Phones Images
PHONES
Phone Names Xiaomi Mix 4 Xiaomi Mi Mix 2
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 421, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 27, 28, 29, 30, 34, 38, 39, 40, 41
5G bands1, 3, 5, 8, 28, 41, 77, 78, 79 SA/NSA/Sub6-
SpeedHSPA, LTE, 5GHSPA, LTE
TechnologyGSM / CDMA / HSPA / EVDO / LTE / 5GGSM / CDMA / HSPA / EVDO / LTE
 CDMA2000 1xEV-DO CDMA2000 1xEV-DO
Launch
Announced2021, August 102017, September. Released 2017, September
StatusAvailable. Released 2021, August 16Discontinued
Body
BuildGlass front (Gorilla Glass Victus), ceramic back, aluminum frameGlass front (Gorilla Glass 4), ceramic back, aluminum frameGlass front (Gorilla Glass 4), ceramic back, ceramic frame - 128/8 GB model
Dimensions162.6 x 75.4 x 8 mm (6.40 x 2.97 x 0.31 in)151.8 x 75.5 x 7.7 mm (5.98 x 2.97 x 0.30 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight225 g (7.94 oz)185 g (6.53 oz)
 IP53, dust and splash resistant-
Display
ProtectionCorning Gorilla Glass VictusCorning Gorilla Glass 4
Resolution1080 x 2400 pixels, 20:9 ratio (~395 ppi density)1080 x 2160 pixels, 18:9 ratio (~403 ppi density)
Size6.67 inches, 107.4 cm2 (~87.6% screen-to-body ratio)5.99 inches, 92.6 cm2 (~80.8% screen-to-body ratio)
TypeAMOLED, 1B colors, 120Hz, HDR10+, Dolby Vision, 800 nits (HBM)IPS LCD
Platform
CPUOcta-core (1x2.99 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo)
ChipsetQualcomm SM8350 Snapdragon 888+ 5G (5 nm)Qualcomm MSM8998 Snapdragon 835 (10 nm)
GPUAdreno 660Adreno 540
OSAndroid 11, MIUI 12.5Android 7.1 (Nougat), planned upgrade to Android 10, MIUI 12
Memory
Card slotNoNo
Internal128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM
 UFS 3.1eMMC 5.1
Main Camera
FeaturesLaser AF, color spectrum sensor, Dual-LED flash, HDR, panoramaDual-LED dual-tone flash, HDR, panorama
Single20 MP, 27mm (wide), 1/3.4", 0.8µm, under display12 MP, f/2.0, 1/2.9", 1.25µm, PDAF, 4-axis OIS
Triple108 MP, f/1.9, 24mm (wide), 1/1.33", 0.8µm, PDAF, OIS 8 MP, f/4.1, 120mm (periscope telephoto), PDAF, OIS, 5x optical zoom 13 MP, f/2.2, 12mm, 123˚ (ultrawide), 1/3.06", 1.12µm-
Video8K@24fps, 4K@30/60fps, 1080p@30/60/120/480fps; gyro-EIS, HDR10+4K@30fps, 1080p@30fps, 720p@120fps
Selfie camera
FeaturesHDR-
Single20 MP, 27mm (wide), 1/3.4", 0.8µm, under display5 MP, f/2.0
Video1080p@30fps1080p@30fps
Sound
3.5mm jack NoNo
35mm jackNoNo
Loudspeaker Yes, with stereo speakersYes
 24-bit/192kHz audio Tuned by Harman Kardon-
Comms
Bluetooth5.2, A2DP, LE, aptX HD5.0, A2DP, LE
Infrared portYes-
NFCYesYes
PositioningGPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)GPS, GLONASS, BDS
RadioNoNo
USBUSB Type-C 2.0USB Type-C
WLANWi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (rear-mounted), accelerometer, gyro, compass, barometer
 Ultra Wideband (UWB) supportVirtual proximity sensing
Battery
Charging120W wired, PD3.0, QC4, 100% in 15 min 50W wireless, 100% in 28 min18W wired, QC3
TypeLi-Po 4500 mAhLi-Ion 3400 mAh, non-removable
Misc
ColorsCeramic Black, Ceramic White, Shadow GrayBlack, White
Models2106118CMDE5
PriceAbout 660 EURAbout 410 EUR
SAR-0.39 W/kg (head)     1.77 W/kg (body)
Tests
Battery life- Endurance rating 65h
Camera- Photo / Video
Display- Contrast ratio: 1287 (nominal), 3.19 (sunlight)
Loudspeaker- Voice 67dB / Noise 71dB / Ring 82dB
Performance- GeekBench: 6234 (v4.4) GFXBench: 24fps (ES 3.1 onscreen)
OUR TESTS
Battery (old)-Endurance rating 65h
Camera-Photo / Video
Display-Contrast ratio: 1287 (nominal), 3.19 (sunlight)
Loudspeaker-Voice 67dB / Noise 71dB / Ring 82dB
Performance-GeekBench: 6234 (v4.4) GFXBench: 24fps (ES 3.1 onscreen)