Product
Xiaomi Mi 8
Xiaomi Mi 8
Xiaomi Mi 9 Explorer
Xiaomi Mi 9 Explorer
Battery
Charging 18W wired, QC4 27W wired, QC4 20W wireless
Type Li-Po 3400 mAh, non-removable Li-Po 3300 mAh, non-removable
Body
Build Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame (7000 series) Glass front (Gorilla Glass 6), glass back (Gorilla Glass 5), aluminum frame (7000 series)
Dimensions 154.9 x 74.8 x 7.6 mm (6.10 x 2.94 x 0.30 in) 157.5 x 74.7 x 7.6 mm (6.20 x 2.94 x 0.30 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 175 g (6.17 oz) 173 g (6.10 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 (L1+L5), GLONASS (L1), BDS (B1), GALILEO (E1+E5a), QZSS (L1+L5)
Radio No No
USB USB Type-C USB Type-C 2.0, OTG
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, DLNA
Display
Protection Corning Gorilla Glass 5 Corning Gorilla Glass 6
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 (~85.2% screen-to-body ratio)
Type Super AMOLED, HDR10 Super AMOLED, HDR10
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, February. Released 2019, June
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 Laser AF, Dual-LED flash, HDR, panorama
Triple - 48 MP, f/1.5 (12GB RAM model) or f/1.8 (8GB RAM model), (wide), 1/2.0", 0.8µm, PDAF 12 MP, f/2.2, 54mm (telephoto), 1/3.6", 1.0µm, PDAF, 2x optical zoom 16 MP, f/2.2, 13mm (ultrawide), 1/3.0", 1.0µm, AF
Video 4K@30/60fps, 1080p@30/120/240fps, 720p@960fps 4K@30/60fps, 1080p@30/120/240fps, 1080p@960fps
Memory
Card slot No No
Internal 64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM 256GB 8GB RAM, 256GB 12GB RAM
  UFS 2.1 UFS 2.1
Misc
Colors Black, Blue, White, Gold Transparent Black
Models M1803E1A -
SAR 0.70 W/kg (head)     1.66 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, 12, 17, 20, 28, 38, 39, 40
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
Technology GSM / CDMA / HSPA / LTE GSM / CDMA / HSPA / LTE
  CDMA 800 & TD-SCDMA CDMA 800 & TD-SCDMA
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 10
Selfie camera
Features - HDR
Single 20 MP, f/2.0, (wide), 1/3", 0.9µm 20 MP, f/2.0, (wide), 1/3", 0.9µm
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack No No
Loudspeaker Yes Yes