Xiaomi Redmi 9A vs vivo V21 5G - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date July 7, 2020 May 6, 2021
Release Year 2020 2021

Physical

Volume 114.42 cm³ 86.15 cm³
Screen Size to Weight Ratio 3.33 "/g 3.66 "/g
Weight 196 g 176 g
Height 164.9 mm 159.7 mm
Width 77.1 mm 73.9 mm
Thickness 9 mm 7.3 mm
Foldable Design No No
Available Colors
  • Carbon Gray (Midnight Black)
  • Sky Blue (Sea Blue)
  • Ocean Green (Nature Green)
  • Arctic White
  • Dusk Blue
  • Sunset Dazzle

Display

Screen Size 6.53 " 6.44 "
Resolution 720 x 1600 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 81 % 84.8 %
Pixel Density 269 PPI 409 PPI
Refresh Rate N/A 90 Hz
Typical Brightness 400 nits 500 nits
HBM Brightness N/A N/A
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 117.26 mAh/in² 96.45 mAh/in²
Battery Density 43.7 mAh/cm³ 46.43 mAh/cm³
Battery Capacity 5000 mAh 4000 mAh
NFC Support No Yes
Chipset Mediatek MT6762G Helio G25 (12 nm) Mediatek Dimensity 800U (7 nm)
CPU Octa-core (4x2.0 GHz Cortex-A53 & 4x1.5 GHz Cortex-A53) Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU PowerVR GE8320 Mali-G57 MC3

Connectivity

USB Version 2.0 2.0
OTG Support 1 1
DisplayPort
DisplayPort Version N/A N/A
USB Features microUSB 2.0, OTG USB Type-C 2.0, OTG

Software

Operating System Android Android
Initial OS Version 10 11
Maximum OS Version 11