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Samsung Galaxy A02


Samsung Galaxy A31


Samsung Galaxy A02
Samsung Galaxy A31

Released in January 2021. Features 6.5 inches screen with a resolution of 720 x 1,600 pixels and 270 ppi.

Quad-core processor MediaTek MT6739 with up to 4 GB memory and 64 GB storage. It has 5,000 mAh battery.

Released in April 2020. Features 6.4 inches screen with a resolution of 1,080 x 2,400 pixels and 411 ppi.

Octa-core processor MediaTek Helio P65 with up to 8 GB memory and 128 GB storage. It has 5,000 mAh battery.

Head to Head
  • Probably better rear camera
  • Probably better front camera
  • Lighter (11%)
  • Thinner (6%)
  • Much better quality screen (34%)
  • OLED screen
  • Probably more versatile rear camera
  • May have more memory
  • May have more storage
  • Much more processing power (46%)
  • Fast charging battery
  • It has NFC


Specifications

Samsung Galaxy A02 Samsung Galaxy A31
Specifications
Brand Samsung Samsung
Model - -
Release Date January 2021 April 2020
Operating System One UI (Android 10) One UI (Android 10)
Dimensions
Size 164.0 x 75.9 x 9.1 mm
6.46 x 2.99 x 0.36 in
159.3 x 73.1 x 8.6 mm
6.27 x 2.88 x 0.34 in
Weight 206 g
7.27 oz
185 g
6.53 oz
Screen
Size 6.5 inches 6.4 inches
Resolution 720 x 1,600 pixels 1,080 x 2,400 pixels
PPI 270 411
Features - OLED
Cameras
Rear Dual camera
13 MP f/1.9 Wide
2 MP f/2.4 Macro
Quad camera
48 MP f/2.0 Wide
8 MP f/2.2 Ultra Wide
5 MP f/2.4 Macro
5 MP f/2.4 Depth
Front 5 MP f/2.0 20 MP f/2.2 Wide
Storage
Memory 2 GB
3 GB
4 GB
4 GB
6 GB
8 GB
Fixed 32 GB
64 GB
64 GB
128 GB
Removable microSDXC microSDXC
Processor
Chip MediaTek MT6739
Quad-core processor
28 nm
MediaTek Helio P65
Octa-core processor
12 nm
CPU 4x 1.50 GHz Cortex-A53 2x 2.00 GHz Cortex-A75
6x 1.70 GHz Cortex-A55
GPU PowerVR GE8100 Mali-G52 MC2
Battery
Capacity 5,000 mAh 5,000 mAh
Features - Fast charging 15W
Removable False False
Connectivity
5G False False
NFC False True
3.5 mm Audio Jack True True
Micro USB True False
USB Type-C False True
Lightning False False

Size comparison

Samsung Galaxy A02 Samsung Galaxy A31

Samsung Galaxy A02

Samsung Galaxy A31

6.5"
206 g
7.27 oz

6.4"
185 g
6.53 oz