OPPO A1k vs A31

Specs compared side by side, measured on real phones shared by owners with the Device Info app.

OPPO A1kOPPO A1kHelio P22Change
OPPO A31OPPO A31Helio P35Change

Key differences

  1. Chipset: the A1k uses the Helio P22 (12 nm), the A31 the Helio P35 (12 nm). The A1k's fastest core runs at 2.00 GHz, the A31's at 2.30 GHz.
  2. Screen: 6.1 inches on the A1k, 6.5 inches on the A31. Both run at up to 60 Hz.
  3. Battery: 4,000 mAh on the A1k, 4,230 mAh on the A31.
  4. Main camera: 8.1 MP on the A1k, 12.7 MP on the A31.

The same on both: Android 9 and Widevine L3.

Chipset

Chipset
Helio P22Helio P35
Process
12 nm12 nm
CPU
4× 2.00 GHz Cortex-A53
4× 1.50 GHz Cortex-A534× 2.30 GHz Cortex-A53
4× 1.80 GHz Cortex-A53
Top CPU speed
2.00 GHz2.30 GHz
CPU cores
88
GPU
PowerVR Rogue GE8320PowerVR Rogue GE8320

Memory

Versions seen
2GB | 32GB4GB | 32GB
4GB | 128GB
6GB | 64GB
RAM type
LPDDR4XLPDDR4X

Display

Size
6.1 in6.5 in
Resolution
720 × 1560720 × 1600
Pixel density
283 ppi269 ppi
Refresh rates
60 Hz60 Hz

Battery

Capacity
4,000 mAh4,230 mAh

Cameras

Back camera
8.1 MP3280 × 2464 · f/2.2 · 3.73 mm12.7 MP4112 × 3088 · f/1.8 · 4.05 mm
Front camera
5 MP2592 × 1944 · f/2 · 2.64 mm8 MP3264 × 2448 · f/2 · 2.75 mm

Megapixels are what Android reports to apps. Many phones combine pixels by default, so the advertised megapixels can be higher.

Connectivity

NFC
NoNo
UWB
NoNo
USB host
YesYes

Software

Android
Android 9Android 9
Released with
Android 9Android 9
Widevine DRM
L3L3

Sensors

Sensors
23 sensors23 sensors
A1k full specs A31 full specs

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From phones shared with the Device Info app · updated October 2026 Hardware specs only. No personal data. Privacy