Redmi 15 5G vs Redmi A3

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

Redmi 15 5GRedmi 15 5GSnapdragon 6s Gen 3Change
Redmi A3Helio G36Change

Key differences

  1. Chipset: the Redmi 15 5G uses the Snapdragon 6s Gen 3 (6 nm), the Redmi A3 the Helio G36 (12 nm TMSC). The Redmi 15 5G's fastest core runs at 2.30 GHz, the Redmi A3's at 2.20 GHz.
  2. Screen: 6.9 inches on the Redmi 15 5G, 6.7 inches on the Redmi A3. Up to 144 Hz on the Redmi 15 5G, 90 Hz on the Redmi A3.
  3. Battery: 7,000 mAh on the Redmi 15 5G, 5,000 mAh on the Redmi A3.
  4. Main camera: 12.6 MP on the Redmi 15 5G, 8 MP on the Redmi A3.

Chipset

Chipset
Snapdragon 6s Gen 3Helio G36
Process
6 nm12 nm TMSC
CPU
2× 2.30 GHz Cortex-A78
6× 2.02 GHz Cortex-A554× 2.20 GHz Cortex-A53
4× 1.60 GHz Cortex-A53
Top CPU speed
2.30 GHz2.20 GHz
CPU cores
88
GPU
Adreno 619PowerVR Rogue GE8320

Memory

Versions seen
6GB | 128GB3GB | 64GB
4GB | 128GB
RAM type
LPDDR4XLPDDR4X

Display

Size
6.9 in6.7 in
Resolution
1080 × 2340720 × 1650
Pixel density
373 ppi268 ppi
Refresh rates
144 Hzalso 30, 40, 45, 48, 50, 60, 90, 12090 Hzalso 60

Battery

Capacity
7,000 mAh5,000 mAh

Cameras

Back camera
12.6 MP4096 × 3072 · f/1.8 · 4.22 mm8 MP3264 × 2448 · f/2 · 2.86 mm
Front camera
8 MP3264 × 2448 · f/2 · 2.79 mm5 MP2592 × 1944 · f/2.2 · 2.23 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
YesNo
Bluetooth LE Audio
NoNo
NFC
NoNo
UWB
NoNo
USB host
YesYes

Software

Android
Android 15Android 16
Released with
Android 15Android 14
Widevine DRM
L1L3

Sensors

Sensors
26 sensors19 sensors
Redmi 15 5G full specs Redmi A3 full specs

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