Samsung Galaxy S9 vs Samsung Galaxy A51 - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date March 9, 2018 December 16, 2019
Release Year 2018 2019

Physical

Volume 86.25 cm³ 92.16 cm³
Screen Size to Weight Ratio 3.56 "/g 3.78 "/g
Weight 163 g 172 g
Height 147.7 mm 158.5 mm
Width 68.7 mm 73.6 mm
Thickness 8.5 mm 7.9 mm
Foldable Design No No
Available Colors
  • Midnight Black
  • Coral Blue
  • Titanium Gray
  • Lilac Purple
  • Burgundy Red
  • Sunrise Gold
  • Ice Blue
  • Prism Crush Black
  • Prism Crush White
  • Prism Crush Blue
  • Prism Crush Pink

Display

Screen Size 5.8 " 6.5 "
Resolution 1440 x 2960 1080 x 2400
Aspect Ratio 19:9 20:9
Screen-to-Body Ratio 84.1 % 87.4 %
Pixel Density 570 PPI 405 PPI
Refresh Rate N/A N/A
Typical Brightness N/A N/A
HBM Brightness N/A N/A
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 89.18 mAh/in² 94.67 mAh/in²
Battery Density 34.78 mAh/cm³ 43.4 mAh/cm³
Battery Capacity 3000 mAh 4000 mAh
NFC Support Yes Yes
Chipset Exynos 9810 (10 nm) - EMEA Exynos 9611 (10 nm)
CPU Octa-core (4x2.7 GHz Mongoose M3 & 4x1.8 GHz Cortex-A55) - EMEA Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
GPU Mali-G72 MP18 - EMEA Mali-G72 MP3

Connectivity

USB Version 3.1 2.0
OTG Support 1
DisplayPort
DisplayPort Version N/A N/A
USB Features USB Type-C 3.1 USB Type-C 2.0, OTG

Software

Operating System Android Android
Initial OS Version 8.0 10
Maximum OS Version 10 13