Compare Vivo S1 vs Xiaomi Redmi Note 8 Pro

Specifications
Key Specifications
Display Size 6.53 inches 6.39 Inches
Operating System Funtouch 9.0 OS (Android 9.0 Pie); Android 9.0 (Pie)
RAM 4 GB RAM or 6 GB RAM 6GB
Rear Camera 12 MP 64MP
Battery Capacity Fast charging,Non-removable Li-Ion 3940 mAh (Li-Po Non removable), 4000 mAh - Fast battery charging (Quick Charge 4)
General Features
Release Date 2019, May 2019
SIM Support Nano-SIM , Dual Sim Dual Sim, Dual Standby (Nano-SIM)
Phone Dimensions 6.38 x 2.99 x 0.34 in N/A
Phone Weight 189 g N/A
Operating System Funtouch 9.0 OS (Android 9.0 Pie); Android 9.0 (Pie)
Display
Screen Size 6.53 inches 6.39 Inches
Screen Resolution 1080 x 2340 pixels 1080 x 2340 Pixels (~403 PPI)
Screen Type IPS Capacitive, Multi-touch IPS LCD Capacitive Touchscreen, 16M Colors, Multitouch
Screen Protection Capacitive, Multi-touch, Scratch resistant Corning Gorilla Glass
Memory
Internal Memory 128/256 GB 128GB
RAM 4 GB RAM or 6 GB RAM 6GB
Card Slot microSD, microSDHC, microSDXC microSD Card, (supports up to 256GB) (uses SIM 2 slot
Performance
Processor 4x 2.1 GHz ARM Cortex-A73, 4x 1.95 GHz ARM Cortex-A53 Octa core (2 x 2.05 GHz Cortex A76 + 6 x 2.0 GHz Cortex A55)
GPU ARM Mali-G72 MP3 Mali-G76 MP4
Battery
Type Fast charging,Non-removable Li-Ion 3940 mAh (Li-Po Non removable), 4000 mAh - Fast battery charging (Quick Charge 4)
Camera
Front Camera 24 MP 25MP
Front Flash Light No N/A
Front Video Recording 2 MP Yes
Back Flash Light Yes Yes
Back Camera 12 MP 64MP
Back Video Recording 0 MP Yes
Connectivity
Bluetooth Yes v5.0 with A2DP, LE
3G Yes HSPA 42.2/5.76 Mbps
4G/LTE Yes LTE-A
Radio Yes FM radio
WiFi Yes Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
NFC No Yes