Compare phones side by side

Oppo A15s

Samsung Galaxy A21
Oppo A15s
Samsung Galaxy A21

Released in December 2020. Features 6.52 inches screen with a resolution of 720 x 1,600 pixels and 269 ppi.

Octa-core processor MediaTek Helio P35 with up to 4 GB memory and 128 GB storage. It has 4,230 mAh battery.

Released in June 2020. Features 6.5 inches screen with a resolution of 720 x 1,600 pixels and 270 ppi.

Octa-core processor MediaTek Helio P35 with up to 3 GB memory and 32 GB storage. It has 4,000 mAh battery.
Head to Head
  • Lighter (9%)
  • More memory
  • More storage
  • Better battery capacity (5%)
  • Probably more versatile rear camera
  • Probably better rear camera
  • Fast charging battery
  • It has NFC

Specifications

Oppo A15s Samsung Galaxy A21
Specifications
Brand Oppo Samsung
Model - -
Release Date December 2020 June 2020
Operating System ColorOS (Android 10) One UI (Android 10)
Dimensions
Size 164.0 x 75.4 x 7.9 mm
6.46 x 2.97 x 0.31 in		 167.8 x 76.7 x 8.1 mm
6.61 x 3.02 x 0.32 in
Weight 177 g
6.24 oz		 193 g
6.81 oz
Screen
Size 6.52 inches 6.5 inches
Resolution 720 x 1,600 pixels 720 x 1,600 pixels
PPI 269 270
Features - -
Cameras
Rear Triple camera
13 MP f/2.2 Wide
2 MP f/2.4 Macro
2 MP f/2.4 Depth		 Quad camera
16 MP f/1.8 Wide
8 MP f/2.2 Ultra Wide
2 MP f/2.4 Macro
2 MP f/2.4 Depth
Front 8 MP f/2.0 Wide 13 MP f/2.0 Wide
Storage
Memory 4 GB 3 GB
Fixed 64 GB
128 GB		 32 GB
Removable microSDXC microSDXC
Processor
Chip MediaTek Helio P35
Octa-core processor
12 nm		 MediaTek Helio P35
Octa-core processor
12 nm
CPU 4x 2.35 GHz Cortex-A53
4x 1.80 GHz Cortex-A53		 4x 2.35 GHz Cortex-A53
4x 1.80 GHz Cortex-A53
GPU PowerVR GE8320 PowerVR GE8320
Battery
Capacity 4,230 mAh 4,000 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

Oppo A15s Samsung Galaxy A21

Oppo A15s

Samsung Galaxy A21

6.52"
177 g
6.24 oz

6.5"
193 g
6.81 oz