OPPO A9 vs R11s Plus

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

OPPO A9Helio P70Change
OPPO R11s PlusSnapdragon 660Change

Key differences

  1. Chipset: the A9 uses the Helio P70 (12 nm), the R11s Plus the Snapdragon 660 (14 nm). The A9's fastest core runs at 2.11 GHz, the R11s Plus's at 2.21 GHz.
  2. Screen: 6.5 inches on the A9, 6.4 inches on the R11s Plus. Up to 60.2 Hz on the A9, 60 Hz on the R11s Plus.
  3. Battery: 4,020 mAh on the A9, 4,000 mAh on the R11s Plus.
  4. Main camera: 15.9 MP on the A9, 20.1 MP on the R11s Plus.

The same on both: Widevine L3.

Chipset

Chipset
Helio P70Snapdragon 660
Process
12 nm14 nm
CPU
4× 2.11 GHz Cortex-A73
4× 1.99 GHz Cortex-A534× 2.21 GHz Kryo 260 Gold
4× 1.84 GHz Kryo 260 Silver
Top CPU speed
2.11 GHz2.21 GHz
CPU cores
88
GPU
Mali-G72 MP3Adreno 512

Memory

Versions seen
4GB | 128GB6GB | 64GB
RAM type
LPDDR4XLPDDR4

Display

Size
6.5 in6.4 in
Resolution
1080 × 23401080 × 2160
Pixel density
395 ppi376 ppi
Refresh rates
60.2 Hz60 Hz

Battery

Capacity
4,020 mAh4,000 mAh

Cameras

Back camera
15.9 MP4608 × 3456 · f/1.8 · 4.05 mm20.1 MP5184 × 3880 · 4.27 mm
Front camera
16.2 MP4640 × 3488 · f/2 · 3.58 mm20.1 MP5184 × 3880 · 3.85 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 8.1.0
Released with
Android 9Android 7.1
Widevine DRM
L3L3

Sensors

Sensors
30 sensors29 sensors
A9 full specs R11s Plus full specs

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