Samsung Galaxy A51 vs Xiaomi Redmi 9 - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date December 16, 2019 June 10, 2020
Release Year 2019 2020

Physical

Volume 92.16 cm³ 114.42 cm³
Screen Size to Weight Ratio 3.78 "/g 3.3 "/g
Weight 172 g 198 g
Height 158.5 mm 163.3 mm
Width 73.6 mm 77 mm
Thickness 7.9 mm 9.1 mm
Foldable Design No No
Available Colors
  • Prism Crush Black
  • Prism Crush White
  • Prism Crush Blue
  • Prism Crush Pink
  • Carbon Gray
  • Sunset Purple
  • Ocean Green
  • Pink/Blue

Display

Screen Size 6.5 " 6.53 "
Resolution 1080 x 2400 1080 x 2340
Aspect Ratio 20:9 19.5:9
Screen-to-Body Ratio 87.4 % 83.2 %
Pixel Density 405 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 94.67 mAh/in² 117.73 mAh/in²
Battery Density 43.4 mAh/cm³ 43.87 mAh/cm³
Battery Capacity 4000 mAh 5020 mAh
NFC Support Yes Yes
Chipset Exynos 9611 (10 nm) Mediatek MT6769V/CU Helio G80 (12 nm)
CPU Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU Mali-G72 MP3 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 13 12