Samsung Galaxy A31 vs Xiaomi Redmi 9 - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date April 27, 2020 June 10, 2020
Release Year 2020 2020

Physical

Volume 100.15 cm³ 114.42 cm³
Screen Size to Weight Ratio 3.46 "/g 3.3 "/g
Weight 185 g 198 g
Height 159.3 mm 163.3 mm
Width 73.1 mm 77 mm
Thickness 8.6 mm 9.1 mm
Foldable Design No No
Available Colors
  • Prism Crush Black
  • Prism Crush White
  • Prism Crush Blue
  • Prism Crush Red
  • Carbon Gray
  • Sunset Purple
  • Ocean Green
  • Pink/Blue

Display

Screen Size 6.4 " 6.53 "
Resolution 1080 x 2400 1080 x 2340
Aspect Ratio 20:9 19.5:9
Screen-to-Body Ratio 84.9 % 83.2 %
Pixel Density 411 PPI 395 PPI
Refresh Rate N/A N/A
Typical Brightness N/A 400 nits
HBM Brightness N/A N/A
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 122.07 mAh/in² 117.73 mAh/in²
Battery Density 49.93 mAh/cm³ 43.87 mAh/cm³
Battery Capacity 5000 mAh 5020 mAh
NFC Support Yes Yes
Chipset Mediatek MT6768 Helio P65 (12 nm) Mediatek MT6769V/CU Helio G80 (12 nm)
CPU Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55) Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU Mali-G52 MC2 Mali-G52 MC2

Connectivity

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

Software

Operating System Android Android
Initial OS Version 10 10
Maximum OS Version 12 12