Redmi 8A Dual vs Redmi Note 9S

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

Redmi 8A DualSnapdragon 439Change
Redmi Note 9SSnapdragon 720GChange

Key differences

  1. Chipset: the Redmi 8A Dual uses the Snapdragon 439 (12 nm), the Redmi Note 9S the Snapdragon 720G (8 nm Samsung). The Redmi 8A Dual's fastest core runs at 2.02 GHz, the Redmi Note 9S's at 2.32 GHz.
  2. Screen: 6.2 inches on the Redmi 8A Dual, 6.6 inches on the Redmi Note 9S. Both run at up to 60 Hz.
  3. Battery: 5,000 mAh on the Redmi 8A Dual, 5,020 mAh on the Redmi Note 9S.
  4. Main camera: 13.1 MP on the Redmi 8A Dual, 12 MP on the Redmi Note 9S.

Chipset

Chipset
Snapdragon 439Snapdragon 720G
Process
12 nm8 nm Samsung
CPU
4× 2.02 GHz Cortex-A53
4× 1.46 GHz Cortex-A532× 2.32 GHz Kryo 465 Gold
6× 1.80 GHz Kryo 465 Silver
Top CPU speed
2.02 GHz2.32 GHz
CPU cores
88
GPU
Adreno 505Adreno 618

Memory

Versions seen
3GB | 64GB4GB | 64GB
6GB | 128GB
RAM type
LPDDR3LPDDR4X

Display

Size
6.2 in6.6 in
Resolution
720 × 15201080 × 2400
Pixel density
270 ppi396 ppi
Refresh rates
60 Hz60 Hz
HDR
—HDR10, HDR10+, HLG

Battery

Capacity
5,000 mAh5,020 mAh

Cameras

Back camera
13.1 MP4208 × 3120 · f/2.2 · 3.79 mm12 MP4000 × 3000 · f/1.79 · 4.74 mm
Front camera
8 MP3264 × 2448 · f/2 · 2.99 mm4 MP2304 × 1728 · f/2.25 · 3.74 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
NFC
NoNo
UWB
NoNo
USB host
YesYes

Software

Android
Android 10Android 12
Released with
Android 9Android 10
Widevine DRM
L3L1

Sensors

Sensors
30 sensors31 sensors
Redmi 8A Dual full specs Redmi Note 9S full specs

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