Compare phones side by side

Oppo A78 5G

Oppo A55
Oppo A78 5G
Oppo A55

Released in January 2023. Features 6.56 inches screen with a resolution of 720 x 1,612 pixels and 269 ppi.

Octa-core processor MediaTek Dimensity 700 with up to 8 GB memory and 128 GB storage. It has 5,000 mAh battery.

Released in October 2021. Features 6.51 inches screen with a resolution of 720 x 1,600 pixels and 270 ppi.

Octa-core processor MediaTek Helio G35 with up to 6 GB memory and 128 GB storage. It has 5,000 mAh battery.
Head to Head
  • Thinner (5%)
  • Higher screen refresh rate
  • May have more memory
  • Battery with better fast charging (45%)
  • It has 5G
  • It has NFC
  • Probably more versatile rear camera

Specifications

Oppo A78 5G Oppo A55
Specifications
Brand Oppo Oppo
Model - -
Release Date January 2023 October 2021
Operating System ColorOS (Android 12) ColorOS (Android 11)
Dimensions
Size 163.8 x 75.1 x 8.0 mm
6.45 x 2.96 x 0.31 in		 163.6 x 75.7 x 8.4 mm
6.44 x 2.98 x 0.33 in
Weight 188 g
6.63 oz		 193 g
6.81 oz
Screen
Size 6.56 inches 6.51 inches
Resolution 720 x 1,612 pixels 720 x 1,600 pixels
PPI 269 270
Features 90Hz -
Cameras
Rear Dual camera
50 MP f/1.8 Wide
2 MP f/2.4 Depth		 Triple camera
50 MP f/1.8 Wide
2 MP f/2.4 Macro
2 MP f/2.4 Depth
Front 8 MP f/2.0 Wide 16 MP f/2.0 Wide
Storage
Memory 4 GB
8 GB		 4 GB
6 GB
Fixed 128 GB 64 GB
128 GB
Removable microSDXC microSDXC
Processor
Chip MediaTek Dimensity 700
Octa-core processor
7 nm		 MediaTek Helio G35
Octa-core processor
12 nm
CPU 2x 2.20 GHz Cortex-A76
6x 2.00 GHz Cortex-A55		 4x 2.30 GHz Cortex-A53
4x 1.80 GHz Cortex-A53
GPU Mali-G57 MC2 PowerVR GE8320
Battery
Capacity 5,000 mAh 5,000 mAh
Features Fast charging 33W Fast charging 18W
Removable False False
Connectivity
5G True False
NFC True False
3.5 mm Audio Jack True True
Micro USB False False
USB Type-C True True
Lightning False False

Size comparison

Oppo A78 5G Oppo A55

Oppo A78 5G

Oppo A55

6.56"
188 g
6.63 oz

6.51"
193 g
6.81 oz