Compare phones side by side

Samsung Galaxy A21

OnePlus 9
Samsung Galaxy A21
OnePlus 9

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.

Released in March 2021. Features 6.55 inches screen with a resolution of 1,080 x 2,400 pixels and 402 ppi.

Octa-core processor Qualcomm Snapdragon 888 5G SM8350 with up to 12 GB memory and 256 GB storage. It has 4,500 mAh battery.
Head to Head
  • Thinner (7%)
  • Probably more versatile rear camera
  • Probably better front camera
  • Much better quality screen (33%)
  • OLED screen
  • Higher screen refresh rate
  • More memory
  • More storage
  • More processing power (9%)
  • Better battery capacity (11%)
  • Battery with better fast charging (77%)
  • It has 5G

Prices Info

We don't have prices for this model
8 GB RAM + 128 GB
709.00 €
Amazon.es
12 GB RAM + 256 GB
809.00 €
Amazon.es

Specifications

Samsung Galaxy A21 OnePlus 9
Specifications
Brand Samsung OnePlus
Model - -
Release Date June 2020 March 2021
Operating System One UI (Android 10) OxygenOS (Android 11)
Dimensions
Size 167.8 x 76.7 x 8.1 mm
6.61 x 3.02 x 0.32 in		 160.0 x 74.2 x 8.7 mm
6.30 x 2.92 x 0.34 in
Weight 193 g
6.81 oz		 192 g
6.77 oz
Screen
Size 6.5 inches 6.55 inches
Resolution 720 x 1,600 pixels 1,080 x 2,400 pixels
PPI 270 402
Features - OLED, 120Hz
Cameras
Rear 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		 Triple camera
48 MP f/1.8 Wide
50 MP f/2.2 Ultra Wide
2 MP f/2.4 Macro
Front 13 MP f/2.0 Wide 16 MP f/2.4 Wide
Storage
Memory 3 GB 8 GB
12 GB
Fixed 32 GB 128 GB
256 GB
Removable microSDXC -
Processor
Chip MediaTek Helio P35
Octa-core processor
12 nm		 Qualcomm Snapdragon 888 5G SM8350
Octa-core processor
5 nm
CPU 4x 2.35 GHz Cortex-A53
4x 1.80 GHz Cortex-A53		 1x 2.84 GHz Kryo 680 Prime
3x 2.42 GHz Kryo 680 Gold
4x 1.80 GHz Kryo 680 Silver
GPU PowerVR GE8320 Adreno 660
Battery
Capacity 4,000 mAh 4,500 mAh
Features Fast charging 15W Fast charging 65W
Removable False False
Connectivity
5G False True
NFC True True
3.5 mm Audio Jack True False
Micro USB False False
USB Type-C True True
Lightning False False

Size comparison

Samsung Galaxy A21 OnePlus 9

Samsung Galaxy A21

OnePlus 9

6.5"
193 g
6.81 oz

6.55"
192 g
6.77 oz