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

Detailed Comparison

Specification

General

Launch Date May 12, 2020 May 6, 2021
Release Year 2020 2021

Physical

Volume 111.51 cm³ 86.15 cm³
Screen Size to Weight Ratio 3.28 "/g 3.66 "/g
Weight 199 g 176 g
Height 162.3 mm 159.7 mm
Width 77.2 mm 73.9 mm
Thickness 8.9 mm 7.3 mm
Foldable Design No No
Available Colors
  • Forest Green
  • Midnight Grey
  • Polar White
  • Arctic White
  • Dusk Blue
  • Sunset Dazzle

Display

Screen Size 6.53 " 6.44 "
Resolution 1080 x 2340 1080 x 2400
Aspect Ratio 19.5:9 20:9
Screen-to-Body Ratio 83.5 % 84.8 %
Pixel Density 395 PPI 409 PPI
Refresh Rate N/A 90 Hz
Typical Brightness 450 nits 500 nits
HBM Brightness N/A N/A
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 117.73 mAh/in² 96.45 mAh/in²
Battery Density 45.02 mAh/cm³ 46.43 mAh/cm³
Battery Capacity 5020 mAh 4000 mAh
NFC Support Yes Yes
Chipset Mediatek MT6769Z Helio G85 (12 nm) Mediatek Dimensity 800U (7 nm)
CPU Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Mali-G52 MC2 Mali-G57 MC3

Connectivity

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

Software

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