Infinix NOTE 40X 5G vs OPPO A3 5G

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

Infinix NOTE 40X 5GDimensity 6300Change
OPPO A3 5GOPPO A3 5GDimensity 6300Change

Key differences

  1. Screen: 6.8 inches on the Infinix NOTE 40X 5G, 6.7 inches on the A3 5G. Both run at up to 120 Hz.
  2. Battery: 5,000 mAh on the Infinix NOTE 40X 5G, 5,100 mAh on the A3 5G.
  3. Main camera: 12 MP on the Infinix NOTE 40X 5G, 8 MP on the A3 5G.
  4. Versions: owners have shared the Infinix NOTE 40X 5G as 12GB | 256GB, the A3 5G as 6GB | 128GB.

The same on both: the Dimensity 6300 chip, Wi-Fi 5 and Widevine L1.

Chipset

Chipset
Dimensity 6300Dimensity 6300
Process
6 nm TSMC N66 nm TSMC N6
CPU
2× 2.40 GHz Cortex-A76
6× 2.00 GHz Cortex-A552× 2.40 GHz Cortex-A76
6× 2.00 GHz Cortex-A55
Top CPU speed
2.40 GHz2.40 GHz
CPU cores
88
GPU
Mali-G57 MC2Mali-G57 MC2

Memory

Versions seen
12GB | 256GB6GB | 128GB
RAM type
LPDDR4XLPDDR4X

Display

Size
6.8 in6.7 in
Resolution
1080 × 2460720 × 1604
Pixel density
397 ppi264 ppi
Refresh rates
120 Hzalso 60, 90120 Hzalso 60, 90

Battery

Capacity
5,000 mAh5,100 mAh

Cameras

Back camera
12 MP4000 × 3000 · f/1.89 · 5.89 mm8 MP3264 × 2448 · f/1.8 · 3.61 mm
Front camera
8 MP3264 × 2448 · f/2 · 2.78 mm8 MP3264 × 2448 · f/2 · 2.64 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 5Wi-Fi 5
6 GHz Wi-Fi
NoNo
Bluetooth LE Audio
NoNo
NFC
YesNo
UWB
NoNo
USB host
YesYes

Software

Android
Android 14Android 15
Released with
Android 14Android 14
Widevine DRM
L1L1

Sensors

Sensors
20 sensors24 sensors
Infinix NOTE 40X 5G full specs A3 5G full specs

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