Xiaomi Redmi Note 9 vs Samsung Galaxy S21 5G - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date May 12, 2020 January 29, 2021
Release Year 2020 2021

Physical

Volume 111.51 cm³ 85.33 cm³
Screen Size to Weight Ratio 3.28 "/g 3.67 "/g
Weight 199 g 169 g
Height 162.3 mm 151.7 mm
Width 77.2 mm 71.2 mm
Thickness 8.9 mm 7.9 mm
Foldable Design No No
Available Colors
  • Forest Green
  • Midnight Grey
  • Polar White
  • Phantom White
  • Phantom Gray
  • Phantom Violet
  • Phantom Pink

Display

Screen Size 6.53 " 6.2 "
Resolution 1080 x 2340 1080 x 2400
Aspect Ratio 19.5:9 20:9
Screen-to-Body Ratio 83.5 % 85.9 %
Pixel Density 395 PPI 421 PPI
Refresh Rate N/A 120 Hz
Typical Brightness 450 nits N/A
HBM Brightness N/A N/A
Peak Brightness N/A 1300 nits

Hardware

Battery Capacity per Screen Area 117.73 mAh/in² 104.06 mAh/in²
Battery Density 45.02 mAh/cm³ 46.88 mAh/cm³
Battery Capacity 5020 mAh 4000 mAh
NFC Support Yes Yes
Chipset Mediatek MT6769Z Helio G85 (12 nm) Exynos 2100 (5 nm) - International
CPU Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International
GPU Mali-G52 MC2 Mali-G78 MP14 - International

Connectivity

USB Version 2.0 3.2
OTG Support 1
DisplayPort
DisplayPort Version N/A N/A
USB Features USB Type-C 2.0 USB Type-C 3.2, OTG

Software

Operating System Android Android
Initial OS Version 10 11
Maximum OS Version 11 15