OPPO A18 vs A9

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

OPPO A9OPPO A9Helio P70Change

Key differences

  1. Chipset: the A18 uses the Helio G85 (12 nm), the A9 the Helio P70 (12 nm). The A18's fastest core runs at 2.00 GHz, the A9's at 2.11 GHz.
  2. Screen: 6.6 inches on the A18, 6.5 inches on the A9. Up to 90 Hz on the A18, 60.2 Hz on the A9.
  3. Battery: 5,000 mAh on the A18, 4,020 mAh on the A9.
  4. Main camera: 8.1 MP on the A18, 15.9 MP on the A9.

Chipset

Chipset
Helio G85Helio P70
Process
12 nm12 nm
CPU
2× 2.00 GHz Cortex-A75
6× 1.80 GHz Cortex-A55
4× 2.11 GHz Cortex-A73
4× 1.99 GHz Cortex-A53
Top CPU speed
2.00 GHz2.11 GHz
CPU cores
88
GPU
Mali-G52 MC2Mali-G72 MP3

Memory

Versions seen
4GB | 64GB4GB | 128GB
RAM type
LPDDR4XLPDDR4X

Display

Size
6.6 in6.5 in
Resolution
720 × 16121080 × 2340
Pixel density
268 ppi395 ppi
Refresh rates
90 Hzalso 6060.2 Hz

Battery

Capacity
5,000 mAh4,020 mAh

Cameras

Back camera
8.1 MP3280 × 2464 · f/2 · 2.79 mm15.9 MP4608 × 3456 · f/1.8 · 4.05 mm
Front camera
5 MP2592 × 1944 · f/2.2 · 2.25 mm16.2 MP4640 × 3488 · f/2 · 3.58 mm

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

Connectivity

Wi-Fi
Wi-Fi 5—
6 GHz Wi-Fi
No—
Bluetooth LE Audio
No—
NFC
NoNo
UWB
NoNo
USB host
YesYes

Software

Android
Android 15Android 9
Released with
Android 13Android 9
Widevine DRM
L1L3

Sensors

Sensors
24 sensors30 sensors

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