Comparison of Samsung Galaxy A51 vs Samsung Galaxy A31

Comparison of
Samsung Galaxy A51

General Features General Features
Release Date 2019-01-01 2021-02-20
SIM Support Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
Phone Dimensions 6.24 x 2.90 x 0.31 inches 6.24 x 2.94 x 0.30 in
Phone Weight 172 g 185 g
Operating System Android 10.0; One UI 2 Android 9.0 (Pie)
Display Display
Screen Size 6.5 inches 6.4 inches
Screen Resolution 1080 x 2400 pixels 1080 x 2340 pixels
Screen Type Super AMOLED capacitive touchscreen, 16M colors Super AMOLED capacitive touchscreen, 16M colors
Screen Protection Corning Gorilla Glass 3 Corning Gorilla Glass 3
Memory Memory
Internal Memory 128 GB 64GB
RAM 6/8 GB 4 GB RAM
Card Slot Yes microSD Card, (supports up to 512GB)
Performance Performance
Processor Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) Octa-core (2 x 2.0 GHz + 6 x 1.7 GHz) Helio P65 SoC
GPU Mali-G72 MP3 Mali-G71 MP2
Battery Battery
Type Non-removable Li-Po 4000 mAh battery Non-removable Li-Po 5000 mAh battery
Camera Camera
Front Camera 32 MP, f/2.2 20 MP
Front Flash Light Yes Yes
Front Video Recording 1080p@30fps 1080p@30fps
Back Flash Light Yes Yes
Back Camera 48 MP + 12 MP + 5 MP + 5 MP 48 MP + 8 MP + 5 MP + 5 MP
Back Video Recording 2160p@30fps, 1080p@30/60/120fps; gyro-EIS 1080p@30fps, 2160p@30fps
Connectivity Connectivity
Bluetooth Yes Yes
3G Yes Yes
4G/LTE Yes Yes
5G
Radio FM radio FM radio
WiFi Yes Yes
NFC Yes Yes

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