Product
Vivo Y83 Pro
Vivo Y83 Pro
Xiaomi Redmi Note 7 Pro
Xiaomi Redmi Note 7 Pro
Battery
Charging - 18W wired, QC4
Type Li-Ion 3260 mAh, non-removable Li-Po 4000 mAh, non-removable
Body
Build - Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame
Dimensions 155.2 x 75.2 x 7.7 mm (6.11 x 2.96 x 0.30 in) 159.2 x 75.2 x 8.1 mm (6.27 x 2.96 x 0.32 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 152 g (5.36 oz) 186 g (6.56 oz)
Comms
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE
Infrared port - Yes
NFC No No
Positioning GPS, GLONASS GPS, GLONASS, BDS
Radio FM radio FM radio, recording
USB microUSB 2.0, OTG USB Type-C 2.0
WLAN Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Display
Protection Corning Gorilla Glass Corning Gorilla Glass 5
Resolution 720 x 1520 pixels, 19:9 ratio (~270 ppi density) 1080 x 2340 pixels, 19.5:9 ratio (~409 ppi density)
Size 6.22 inches, 96.6 cm2 (~82.7% screen-to-body ratio) 6.3 inches, 97.4 cm2 (~81.4% screen-to-body ratio)
Type IPS LCD IPS LCD
Features
Sensors Fingerprint (rear-mounted), accelerometer, proximity, compass Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Launch
Announced 2018, September. Released 2018, September 2019, February 28. Released 2019, March 18
Status Discontinued Discontinued
Main Camera
Dual 13 MP, f/2.2, PDAF 2 MP, f/2.4, (depth) 48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 5 MP, f/2.4, (depth)
Features LED flash, HDR, panorama Dual-LED flash, HDR, panorama
Video 1080p@30fps 4K@30fps, 1080p@30/60/120fps, (gyro-EIS)
Memory
Card slot microSDXC (dedicated slot) microSDXC (uses shared SIM slot)
Internal 64GB 4GB RAM 64GB 4GB RAM, 64GB 6GB RAM, 128GB 6GB RAM
  eMMC 5.1 eMMC 5.1
Misc
Colors Nebula Purple, Black, Gold Nebula Red, Neptune Blue, Space Black, Astro White
Models - M1901F7S
SAR 1.12 W/kg (head)     0.53 W/kg (body)     0.96 W/kg (head)     0.84 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G bands 1, 3, 5, 40, 41 1, 3, 5, 7, 8, 40, 41
Speed HSPA, LTE HSPA 42.2/5.76 Mbps, LTE (3CA) Cat9 450/50 Mbps
Technology GSM / HSPA / LTE GSM / HSPA / LTE
Our Tests
Performance - AnTuTu: 180754 (v7), 215308 (v8) GeekBench: 6620 (v4.4), 1624 (v5.1) GFXBench: 7.9fps (ES 3.1 onscreen)
Platform
Chipset Mediatek MT6762 Helio P22 (12 nm) Qualcomm SDM675 Snapdragon 675 (11 nm)
CPU Octa-core 2.0 GHz Cortex-A53 Octa-core (2x2.0 GHz Kryo 460 Gold & 6x1.7 GHz Kryo 460 Silver)
GPU PowerVR GE8320 Adreno 612
OS Android 8.1 (Oreo), Funtouch 4 Android 9.0 (Pie), upgradable to Android 10, MIUI 12
Selfie camera
Features HDR HDR
Single 8 MP, f/2.2 13 MP, (wide), 1/3.1", 1.12µm
Video 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes