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Samsung Galaxy M21


Oppo A15s


Samsung Galaxy M21
Oppo A15s

Released in March 2020. Features 6.4 inches screen with a resolution of 1,080 x 2,340 pixels and 403 ppi.

Octa-core processor Samsung Exynos 9611 with up to 6 GB memory and 128 GB storage. It has 6,000 mAh battery.

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.

Head to Head
  • Much better quality screen (33%)
  • OLED screen
  • Probably better rear camera
  • May have more memory
  • Much better battery capacity (30%)
  • Fast charging battery
  • Lighter (6%)
  • Thinner (13%)
  • Probably better front camera


Specifications

Samsung Galaxy M21 Oppo A15s
Specifications
Brand Samsung Oppo
Model - -
Release Date March 2020 December 2020
Operating System One UI (Android 10) ColorOS (Android 10)
Dimensions
Size 159.0 x 75.1 x 8.9 mm
6.26 x 2.96 x 0.35 in
164.0 x 75.4 x 7.9 mm
6.46 x 2.97 x 0.31 in
Weight 188 g
6.63 oz
177 g
6.24 oz
Screen
Size 6.4 inches 6.52 inches
Resolution 1,080 x 2,340 pixels 720 x 1,600 pixels
PPI 403 269
Features OLED -
Cameras
Rear Triple camera
48 MP f/2.0 Wide
8 MP f/2.2 Ultra Wide
5 MP f/2.2 Depth
Triple camera
13 MP f/2.2 Wide
2 MP f/2.4 Macro
2 MP f/2.4 Depth
Front 20 MP f/2.2 Wide 8 MP f/2.0 Wide
Storage
Memory 4 GB
6 GB
4 GB
Fixed 64 GB
128 GB
64 GB
128 GB
Removable microSDXC microSDXC
Processor
Chip Samsung Exynos 9611
Octa-core processor
10 nm
MediaTek Helio P35
Octa-core processor
12 nm
CPU 4x 2.30 GHz Cortex-A73
4x 1.70 GHz Cortex-A53
4x 2.35 GHz Cortex-A53
4x 1.80 GHz Cortex-A53
GPU Mali-G72 MP3 PowerVR GE8320
Battery
Capacity 6,000 mAh 4,230 mAh
Features Fast charging 15W -
Removable False False
Connectivity
5G False False
NFC False False
3.5 mm Audio Jack True True
Micro USB False True
USB Type-C True False
Lightning False False

Size comparison

Samsung Galaxy M21 Oppo A15s

Samsung Galaxy M21

Oppo A15s

6.4"
188 g
6.63 oz

6.52"
177 g
6.24 oz