Product
Vivo S7
Vivo S7
Xiaomi Mi 9 Lite
Xiaomi Mi 9 Lite
Battery
Charging 33W wired 18W wired
Type 4000 mAh Li-Po 4030 mAh, non-removable
Body
Build Glass front, glass back (Gorilla Glass 5) Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame
Dimensions 158.8 x 74.2 x 7.4 mm (6.25 x 2.92 x 0.29 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 170 g (6.00 oz) 179 g (6.31 oz)
Comms
Bluetooth 5.1, A2DP, LE, aptX HD 5.0, A2DP, LE, aptX HD
Infrared port - Yes
NFC Yes Yes
Positioning GPS, GLONASS, GALILEO, BDS GPS, GLONASS, GALILEO, BDS
Radio No FM radio
USB USB Type-C, OTG USB Type-C 2.0
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
Protection - Corning Gorilla Glass 5
Resolution 1080 x 2400 pixels, 20:9 ratio (~409 ppi density) 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
Size 6.44 inches, 100.1 cm2 (~85.0% screen-to-body ratio) 6.39 inches, 100.2 cm2 (~85.8% screen-to-body ratio)
Type AMOLED Super AMOLED, HDR, 430 nits (typ)
Features
Sensors Fingerprint (under display, optical), accelerometer, proximity, compass Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Launch
Announced 2020, August 03 2019, September 16. Released 2019, September 16
Status Available. Released 2020, August 08 Discontinued
Main Camera
Features Dual-LED dual-tone flash, HDR, panorama LED flash, HDR, panorama
Triple 64 MP, f/1.9, 26mm (wide), 1/1.72", 0.8µm, PDAF 8 MP, f/2.2, 120˚, 16mm (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (depth) 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@30fps, 1080p@30fps, gyro-EIS 4K@30fps, 1080p@30/60/120fps, 720p@960fps
Memory
Card slot No microSDXC (uses shared SIM slot)
Internal 128GB 8GB RAM, 256GB 8GB RAM 64GB 6GB RAM, 128GB 6GB RAM
  UFS 2.1 UFS 2.1
Misc
Colors Black, White, Gradient Blue Pearl White, Aurora Blue, Onyx Grey
Models V2020A M1904F3BG
SAR - 1.19 W/kg (head)     1.15 W/kg (body)    
SAR EU - 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, 3, 4, 5, 8, 34, 38, 39, 40, 41 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40
5G bands 1, 3, 41, 77, 78, 79 SA/NSA -
Speed HSPA, LTE, 5G HSPA, LTE
Technology GSM / CDMA / HSPA / LTE / 5G GSM / HSPA / LTE
  CDMA 800 & TD-SCDMA -
Our Tests
Audio quality - Noise -90.3dB / Crosstalk -93.1dB
Battery (old) - Endurance rating 106h
Camera - Photo / Video
Display - 597 nits max brightness (measured)
Loudspeaker - -30.2 LUFS (Below average)
Performance - AnTuTu: 175478 (v7), 215277 (v8) GeekBench: 5989 (v4.4), 1518 (v5.1) GFXBench: 12fps (ES 3.1 onscreen)
Platform
Chipset Qualcomm SM7250 Snapdragon 765G 5G (7 nm) Qualcomm SDM710 Snapdragon 710 (10 nm)
CPU Octa-core (1x2.4 GHz Kryo 475 Prime & 1x2.2 GHz Kryo 475 Gold & 6x1.8 GHz Kryo 475 Silver) Octa-core (2x2.2 GHz Kryo 360 Gold & 6x1.7 GHz Kryo 360 Silver)
GPU Adreno 620 Adreno 616
OS Android 10, Funtouch 10.5 Android 9.0 (Pie), upgradable to Android 10, MIUI 11
Selfie camera
Dual 44 MP, f/2.0, (wide) 8 MP, f/2.3, 105˚ (ultrawide) -
Features HDR HDR
Single - 32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
Video 4K@30/60fps, 1080p@30/240fps 1080p@30fps
Sound
3.5mm jack No Yes
Loudspeaker Yes Yes
  24-bit/192kHz Hi-Res audio -