Compare phones side by side

OnePlus 7T Pro

Samsung Galaxy A21
OnePlus 7T Pro
Samsung Galaxy A21

Released in October 2019. Features 6.67 inches screen with a resolution of 1,440 x 3,120 pixels and 516 ppi.

Octa-core processor Qualcomm Snapdragon 855+ SM8150-AC with up to 12 GB memory and 256 GB storage. It has 4,085 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
  • Slightly larger screen (3%)
  • Much better quality screen (48%)
  • OLED screen
  • Higher screen refresh rate
  • Probably better rear camera
  • More memory
  • More storage
  • More processing power (11%)
  • Slightly better battery capacity (2%)
  • Battery with better fast charging (50%)
  • Lighter (7%)
  • Thinner (9%)
  • Probably more versatile rear camera

Specifications

OnePlus 7T Pro Samsung Galaxy A21
Specifications
Brand OnePlus Samsung
Model - -
Release Date October 2019 June 2020
Operating System OxygenOS (Android 10) One UI (Android 10)
Dimensions
Size 162.6 x 75.9 x 8.8 mm
6.40 x 2.99 x 0.35 in		 167.8 x 76.7 x 8.1 mm
6.61 x 3.02 x 0.32 in
Weight 206 g
7.27 oz		 193 g
6.81 oz
Screen
Size 6.67 inches 6.5 inches
Resolution 1,440 x 3,120 pixels 720 x 1,600 pixels
PPI 516 270
Features OLED, 90Hz -
Cameras
Rear Triple camera
48 MP f/1.6 Wide
16 MP f/2.2 Ultra Wide
8 MP f/2.4 Telephoto		 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 16 MP f/2.0 Wide 13 MP f/2.0 Wide
Storage
Memory 8 GB
12 GB		 3 GB
Fixed 256 GB 32 GB
Removable - microSDXC
Processor
Chip Qualcomm Snapdragon 855+ SM8150-AC
Octa-core processor
7 nm		 MediaTek Helio P35
Octa-core processor
12 nm
CPU 1x 2.96 GHz Kryo 485 Prime
3x 2.42 GHz Kryo 485 Gold
4x 1.78 GHz Kryo 485 Silver		 4x 2.35 GHz Cortex-A53
4x 1.80 GHz Cortex-A53
GPU Adreno 640 PowerVR GE8320
Battery
Capacity 4,085 mAh 4,000 mAh
Features Fast charging 30W Fast charging 15W
Removable False False
Connectivity
5G False False
NFC True True
3.5 mm Audio Jack False True
Micro USB False False
USB Type-C True True
Lightning False False

Size comparison

OnePlus 7T Pro Samsung Galaxy A21

OnePlus 7T Pro

Samsung Galaxy A21

6.67"
206 g
7.27 oz

6.5"
193 g
6.81 oz