Product
Xiaomi Mi 8 Lite
Xiaomi Mi 8 Lite
Vivo V17
Vivo V17
Battery
Charging 18W wired, QC3 18W wired
Type Li-Po 3350 mAh, non-removable 4500 mAh, non-removable
Body
Build Glass front, glass back, aluminum frame Glass front, plastic back, plastic frame
Dimensions 156.4 x 75.8 x 7.5 mm (6.16 x 2.98 x 0.30 in) 159 x 74.2 x 8.5 mm (6.26 x 2.92 x 0.33 in)
SIM Nano-SIM + Nano-SIM Nano-SIMNano-SIM + Nano-SIM
Weight 169 g (5.96 oz) 176 g (6.21 oz)
Comms
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE
NFC No No
Positioning GPS, GLONASS, BDS GPS, GLONASS, GALILEO, BDS
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 Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Display
Resolution 1080 x 2280 pixels, 19:9 ratio (~403 ppi density) 1080 x 2400 pixels, 20:9 ratio (~409 ppi density)
Size 6.26 inches, 97.8 cm2 (~82.5% screen-to-body ratio) 6.44 inches, 100.1 cm2 (~84.9% screen-to-body ratio)
Type IPS LCD Super AMOLED
Features
Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Launch
Announced 2018, September. Released 2018, September 2019, November 23. Released 2019, December
Status Discontinued Discontinued
Main Camera
Dual 12 MP, f/1.9, 1/2.55", 1.4µm, dual pixel PDAF 5 MP, f/2.0, (depth) -
Features LED flash, HDR, panorama LED flash, HDR, panorama
Quad - 48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth)
Video 4K@30fps, 1080p@60/120fps, 1080p@30fps (gyro-EIS) 4K@30fps, 1080p@30/60fps
Memory
Card slot microSDXC (uses shared SIM slot) microSDXC (dedicated slot)
Internal 64GB 4GB RAM, 64GB 6GB RAM, 128GB 4GB RAM, 128GB 6GB RAM 128GB 8GB RAM, 256GB 8GB RAM
  eMMC 5.1 UFS 2.1
Misc
Colors Midnight Black, Aurora Blue, Twilight Gold Admiral Blue, Glacier Ice White, Midnight Ocean Black
Models M1808D2TG 1919
SAR 0.75 W/kg (head)     1.58 W/kg (body)     0.99 W/kg (head)     0.25 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 - Global HSDPA 850 / 900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40 - Global 1, 3, 5, 8, 38, 40, 41
Speed HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps HSPA, LTE
Technology GSM / CDMA / HSPA / LTE GSM / HSPA / LTE
  1, 3, 5, 7, 8, 34, 38, 39, 40, 41 - China 1, 3, 5, 7, 8, 38, 40, 41
Our Tests
Audio quality Noise -93.5dB / Crosstalk -35.4dB -
Battery (old) Endurance rating 77h -
Camera Photo / Video -
Display Contrast ratio: 1453 (nominal), 2.862 (sunlight) -
Loudspeaker Voice 67dB / Noise 77dB / Ring 77dB -
Performance AnTuTu: 143257 (v7) GeekBench: 5894 (v4.4) GFXBench: 8fps (ES 3.1 onscreen) -
Platform
Chipset Qualcomm SDM660 Snapdragon 660 (14 nm) Qualcomm SDM675 Snapdragon 675 (11 nm)
CPU Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) Octa-core (2x2.0 GHz Kryo 460 Gold & 6x1.7 GHz Kryo 460 Silver)
GPU Adreno 512 Adreno 612
OS Android 8.1 (Oreo), upgradable to Android 10, MIUI 11 Android 9.0 (Pie), Funtouch 9.2
Selfie camera
Features Auto HDR HDR
Single 24 MP, f/2.0, 26mm (wide), 1/2.8", 0.9µm 32 MP, f/2.5, 23mm (wide), 1/2.8", 0.8µm
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack No Yes
Loudspeaker Yes Yes