Product
Xiaomi Mi 8
Xiaomi Mi 8
Xiaomi Mi 9 Lite
Xiaomi Mi 9 Lite
Battery
Charging 18W wired, QC4 18W wired
Type Li-Po 3400 mAh, non-removable Li-Po 4030 mAh, non-removable
Body
Build Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame (7000 series) Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame
Dimensions 154.9 x 74.8 x 7.6 mm (6.10 x 2.94 x 0.30 in) 156.8 x 74.5 x 8.7 mm (6.17 x 2.93 x 0.34 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 175 g (6.17 oz) 179 g (6.31 oz)
Comms
Bluetooth 5.0, A2DP, LE, aptX HD 5.0, A2DP, LE, aptX HD
Infrared port - Yes
NFC Yes Yes
Positioning GPS (L1+L5), GLONASS (L1), BDS (B1), GALILEO (E1+E5a), QZSS (L1+L5) GPS, GLONASS, GALILEO, BDS
Radio No FM radio
USB USB Type-C USB Type-C 2.0
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 (~85.8% screen-to-body ratio)
Type Super AMOLED, HDR10 Super AMOLED, HDR, 430 nits (typ)
Features
Sensors Infrared Face ID, fingerprint (rear-mounted), accelerometer, gyro, proximity, barometer, compass Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Launch
Announced 2018, May. Released 2018, June 2019, September 16. Released 2019, September 16
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 -
Features Dual-LED flash, HDR, panorama LED flash, HDR, panorama
Triple - 48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 8 MP, (ultrawide), 1/4.0", 1.12µm 2 MP, (depth)
Video 4K@30/60fps, 1080p@30/120/240fps, 720p@960fps 4K@30fps, 1080p@30/60/120fps, 720p@960fps
Memory
Card slot No microSDXC (uses shared SIM slot)
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 Pearl White, Aurora Blue, Onyx Grey
Models M1803E1A M1904F3BG
SAR 0.70 W/kg (head)     1.66 W/kg (body)     1.19 W/kg (head)     1.15 W/kg (body)    
SAR EU 1.01 W/kg (head)     1.32 W/kg (body)     1.42 W/kg (head)     1.40 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, 38, 40
Speed HSPA 42.2/5.76 Mbps, LTE (4CA) Cat16 1024/150 Mbps HSPA, LTE
Technology GSM / CDMA / HSPA / LTE GSM / HSPA / LTE
  CDMA 800 & TD-SCDMA -
Our Tests
Audio quality Noise -93.9dB / Crosstalk -93.7dB Noise -90.3dB / Crosstalk -93.1dB
Battery (old) Endurance rating 86h Endurance rating 106h
Camera Photo / Video Photo / Video
Display Contrast ratio: Infinite (nominal), 4.086 (sunlight) 597 nits max brightness (measured)
Loudspeaker -29.1 LUFS (Average) -30.2 LUFS (Below average)
Performance AnTuTu: 217298 (v7), 341687 (v8) GeekBench: 8494 (v4.4), 2002 (v5.1) GFXBench: 33fps (ES 3.1 onscreen) AnTuTu: 175478 (v7), 215277 (v8) GeekBench: 5989 (v4.4), 1518 (v5.1) GFXBench: 12fps (ES 3.1 onscreen)
Platform
Chipset Qualcomm SDM845 Snapdragon 845 (10 nm) Qualcomm SDM710 Snapdragon 710 (10 nm)
CPU Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.8 GHz Kryo 385 Silver) Octa-core (2x2.2 GHz Kryo 360 Gold & 6x1.7 GHz Kryo 360 Silver)
GPU Adreno 630 Adreno 616
OS Android 8.1 (Oreo), upgradable to Android 10, MIUI 12 Android 9.0 (Pie), upgradable to Android 10, MIUI 11
Selfie camera
Features - HDR
Single 20 MP, f/2.0, (wide), 1/3", 0.9µm 32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack No Yes
Loudspeaker Yes Yes