Infinix NOTE 40 vs SMART 9

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

Infinix NOTE 40Infinix NOTE 40Helio G99 UltimateChange

Key differences

  1. Chipset: the Infinix NOTE 40 uses the Helio G99 Ultimate (6 nm TSMC), the SMART 9 the Helio G81 (12 nm). The Infinix NOTE 40's fastest core runs at 2.20 GHz, the SMART 9's at 2.00 GHz.
  2. Screen: 6.8 inches on the Infinix NOTE 40, 6.7 inches on the SMART 9. Both run at up to 120 Hz.
  3. Main camera: 12 MP on the Infinix NOTE 40, 13.1 MP on the SMART 9.
  4. Versions: owners have shared the Infinix NOTE 40 as 8GB | 256GB, the SMART 9 as 4GB | 128GB.

The same on both: Wi-Fi 5.

Chipset

Chipset
Helio G99 UltimateHelio G81
Process
6 nm TSMC12 nm
CPU
2× 2.20 GHz Cortex-A76
6× 2.00 GHz Cortex-A55
2× 2.00 GHz Cortex-A75
6× 1.70 GHz Cortex-A55
Top CPU speed
2.20 GHz2.00 GHz
CPU cores
88
GPU
Mali-G57 MC2Mali-G52 MC2

Memory

Versions seen
8GB | 256GB4GB | 128GB
RAM type
LPDDR4XLPDDR4X

Display

Size
6.8 in6.7 in
Resolution
1080 × 2436720 × 1600
Pixel density
393 ppi263 ppi
Refresh rates
120 Hzalso 60120 Hzalso 60, 90

Battery

Capacity
5,000 mAh5,000 mAh

Cameras

Back camera
12 MP4000 × 3000 · f/1.8 · 5.89 mm13.1 MP4208 × 3120 · f/1.85 · 3.64 mm
Front camera
8 MP3264 × 2448 · f/2.2 · 2.87 mm8 MP3264 × 2448 · f/2 · 2.78 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 16Android 14
Released with
Android 14Android 14
Widevine DRM
L1L3

Sensors

Sensors
24 sensors19 sensors

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