Product
Xiaomi Mi 8
Xiaomi Mi 8
Xiaomi Mi Mix 3 5G
Xiaomi Mi Mix 3 5G
Battery
Charging 18W wired, QC4 18W wired, QC4
Type Li-Po 3400 mAh, non-removable Li-Po 3800 mAh, non-removable
Body
Build Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame (7000 series) Glass front (Gorilla Glass 5), ceramic back, aluminum frame (7000 series)
Dimensions 154.9 x 74.8 x 7.6 mm (6.10 x 2.94 x 0.30 in) 157.9 x 74.7 x 9.4 mm (6.22 x 2.94 x 0.37 in)
SIM Nano-SIM + Nano-SIM Nano-SIM
Weight 175 g (6.17 oz) 225 g (7.94 oz)
Comms
Bluetooth 5.0, A2DP, LE, aptX HD 5.0, A2DP, LE, aptX HD
NFC Yes Yes
Positioning GPS (L1+L5), GLONASS (L1), BDS (B1), GALILEO (E1+E5a), QZSS (L1+L5) GPS (L1+L5), GLONASS (L1), BDS (B1), GALILEO (E1+E5a), QZSS (L1+L5)
Radio No No
USB USB Type-C USB Type-C
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Display
Protection Corning Gorilla Glass 5 Corning Gorilla Glass 5
Resolution 1080 x 2248 pixels (~402 ppi density) 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
Size 6.21 inches, 97.1 cm2 (~83.8% screen-to-body ratio) 6.39 inches, 100.2 cm2 (~85.0% screen-to-body ratio)
Type Super AMOLED, HDR10 Super AMOLED, HDR
Features
Sensors Infrared Face ID, fingerprint (rear-mounted), accelerometer, gyro, proximity, barometer, compass Fingerprint (rear-mounted), accelerometer, gyro, compass
  - Virtual proximity sensing
Launch
Announced 2018, May. Released 2018, June 2019, February. Released 2019, May
Status Discontinued Discontinued
Main Camera
Dual 12 MP, f/1.8, 1/2.55", 1.4µm, dual pixel PDAF, 4-axis OIS 12 MP, f/2.4, 56mm (telephoto), 1/3.4", 1.0µm, AF, 2x optical zoom 12 MP (wide), f/1.8, 1/2.55", 1.4µm, dual pixel PDAF, 4-axis OIS 12 MP (telephoto), 1/3.4", 1.0µm
Features Dual-LED flash, HDR, panorama LED flash, HDR, panorama
Video 4K@30/60fps, 1080p@30/120/240fps, 720p@960fps 4K@30/60fps, 1080p@30/60/240fps, 1080p@960fps; gyro-EIS
Memory
Card slot No No
Internal 64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM 64GB 6GB RAM, 128GB 6GB RAM
  UFS 2.1 UFS 2.1
Misc
Colors Black, Blue, White, Gold Sapphire Blue
Models M1803E1A M1810E5GG
SAR 0.70 W/kg (head)     1.66 W/kg (body)     1.56 W/kg (head)     1.58 W/kg (body)    
SAR EU 1.01 W/kg (head)     1.32 W/kg (body)     -
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 34, 38, 39, 40, 41 1, 2, 3, 4, 5, 7, 8, 20, 28, 34, 38, 39, 40, 41
5G bands - 78 NSA/Sub6
Speed HSPA 42.2/5.76 Mbps, LTE (4CA) Cat16 1024/150 Mbps HSPA 42.2/5.76 Mbps, LTE (5CA) Cat18 1200/150 Mbps, 5G (2+ Gbps DL)
Technology GSM / CDMA / HSPA / LTE GSM / CDMA / HSPA / EVDO / LTE / 5G
  CDMA 800 & TD-SCDMA CDMA2000 1xEV-DO
Our Tests
Audio quality Noise -93.9dB / Crosstalk -93.7dB -
Battery (old) Endurance rating 86h -
Camera Photo / Video -
Display Contrast ratio: Infinite (nominal), 4.086 (sunlight) -
Loudspeaker -29.1 LUFS (Average) -
Performance AnTuTu: 217298 (v7), 341687 (v8) GeekBench: 8494 (v4.4), 2002 (v5.1) GFXBench: 33fps (ES 3.1 onscreen) -
Platform
Chipset Qualcomm SDM845 Snapdragon 845 (10 nm) Qualcomm SM8150 Snapdragon 855 (7 nm)
CPU Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.8 GHz Kryo 385 Silver) Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)
GPU Adreno 630 Adreno 640
OS Android 8.1 (Oreo), upgradable to Android 10, MIUI 12 Android 9.0 (Pie), MIUI 12
Selfie camera
Dual - Manual pop-up 24 MP, f/2.0, 26mm (wide), 1/2.8", 0.9µm Manual pop-up 2 MP, depth sensor
Features - LED flash, HDR
Single 20 MP, f/2.0, (wide), 1/3", 0.9µm -
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack No No
Loudspeaker Yes Yes