Compare phones side by side


Asus Zenfone 7


Samsung Galaxy A51


Asus Zenfone 7
Samsung Galaxy A51

Released in September 2020. Features 6.67 inches screen with a resolution of 1,080 x 2,400 pixels and 395 ppi.

Octa-core processor Qualcomm Snapdragon 865 5G SM8250 with up to 8 GB memory and 128 GB storage. It has 5,000 mAh battery.

Released in December 2019. Features 6.5 inches screen with a resolution of 1,080 x 2,400 pixels and 405 ppi.

Octa-core processor Samsung Exynos 9611 with up to 8 GB memory and 256 GB storage. It has 4,000 mAh battery.

Head to Head
  • Slightly larger screen (3%)
  • Higher screen refresh rate
  • Probably better rear camera
  • More processing power (12%)
  • Much better battery capacity (20%)
  • Battery with better fast charging (50%)
  • It has 5G
  • Much lighter (34%)
  • Much thinner (22%)
  • Slightly better quality screen (2%)
  • Probably more versatile rear camera
  • May have more storage


Specifications

Asus Zenfone 7 Samsung Galaxy A51
Specifications
Brand Asus Samsung
Model - -
Release Date September 2020 December 2019
Operating System ZenUI (Android 10) One UI (Android 10)
Dimensions
Size 165.1 x 77.3 x 9.6 mm
6.50 x 3.04 x 0.38 in
158.5 x 73.6 x 7.9 mm
6.24 x 2.90 x 0.31 in
Weight 230 g
8.11 oz
172 g
6.07 oz
Screen
Size 6.67 inches 6.5 inches
Resolution 1,080 x 2,400 pixels 1,080 x 2,400 pixels
PPI 395 405
Features OLED, 90Hz OLED
Cameras
Rear Triple camera
64 MP f/1.8 Wide
12 MP f/2.2 Ultra Wide
8 MP f/2.4 Telephoto
Quad camera
48 MP f/2.0 Wide
12 MP f/2.2 Ultra Wide
5 MP f/2.4 Macro
5 MP f/2.2 Depth
Front Flip Camera 32 MP f/2.2 Wide
Storage
Memory 6 GB
8 GB
4 GB
6 GB
8 GB
Fixed 128 GB 64 GB
128 GB
256 GB
Removable microSDXC microSDXC
Processor
Chip Qualcomm Snapdragon 865 5G SM8250
Octa-core processor
7 nm
Samsung Exynos 9611
Octa-core processor
10 nm
CPU 1x 2.84 GHz Kryo 585 Prime
3x 2.42 GHz Kryo 585 Gold
4x 1.80 GHz Kryo 585 Silver
4x 2.30 GHz Cortex-A73
4x 1.70 GHz Cortex-A53
GPU Adreno 650 Mali-G72 MP3
Battery
Capacity 5,000 mAh 4,000 mAh
Features Fast charging 30W Fast charging 15W
Removable False False
Connectivity
5G True 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

Asus Zenfone 7 Samsung Galaxy A51

Asus Zenfone 7

Samsung Galaxy A51

6.67"
230 g
8.11 oz

6.5"
172 g
6.07 oz