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Realme C21


Oppo A57s


Realme C21
Oppo A57s

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

Octa-core processor MediaTek Helio G35 with up to 4 GB memory and 64 GB storage. It has 5,000 mAh battery.

Released in September 2022. Features 6.56 inches screen with a resolution of 720 x 1,612 pixels and 269 ppi.

Octa-core processor MediaTek Helio G35 with up to 4 GB memory and 128 GB storage. It has 5,000 mAh battery.

Head to Head
  • Probably more versatile rear camera
  • Thinner (11%)
  • Probably better rear camera
  • Probably better front camera
  • May have more storage
  • Fast charging battery
  • It has NFC


Prices Info

3 GB RAM + 32 GB
Amazon.es
4 GB RAM + 64 GB
Amazon.es

We don't have prices for this model


Specifications

Realme C21 Oppo A57s
Specifications
Brand Realme Oppo
Model - -
Release Date March 2021 September 2022
Operating System Realme UI (Android 10) ColorOS (Android 12)
Dimensions
Size 165.2 x 76.4 x 8.9 mm
6.50 x 3.01 x 0.35 in
163.8 x 75.0 x 8.0 mm
6.45 x 2.95 x 0.31 in
Weight 190 g
6.70 oz
187 g
6.60 oz
Screen
Size 6.5 inches 6.56 inches
Resolution 720 x 1,600 pixels 720 x 1,612 pixels
PPI 270 269
Features - -
Cameras
Rear Triple camera
13 MP f/2.2 Wide
2 MP f/2.4 Macro
2 MP f/2.4 Depth
Dual camera
50 MP f/1.8 Wide
2 MP f/2.4 Depth
Front 5 MP f/2.2 Wide 8 MP f/2.0 Wide
Storage
Memory 3 GB
4 GB
4 GB
Fixed 32 GB
64 GB
64 GB
128 GB
Removable microSDXC microSDXC
Processor
Chip MediaTek Helio G35
Octa-core processor
12 nm
MediaTek Helio G35
Octa-core processor
12 nm
CPU 4x 2.30 GHz Cortex-A53
4x 1.80 GHz Cortex-A53
4x 2.30 GHz Cortex-A53
4x 1.80 GHz Cortex-A53
GPU PowerVR GE8320 PowerVR GE8320
Battery
Capacity 5,000 mAh 5,000 mAh
Features - Fast charging 33W
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

Realme C21 Oppo A57s

Realme C21

Oppo A57s

6.5"
190 g
6.70 oz

6.56"
187 g
6.60 oz