Redmi 15

Redmi 15 Comparison & Specs

Redmi 15

  • Snapdragon 6s Gen 3

    6 nm

  • 7000 mAh

    33W

  • 6.9"

    1080 x 2340 pixels

  • 50 MP

    1080p@30fps

  • Specs

Redmi A3x 4G

Redmi A3x 4G Comparison & Specs

Redmi A3x 4G

  • Unisoc T603

    12 nm

  • 5000 mAh

    10W

  • 6.71"

    720x1650 pixels

  • 8 MP

    1080p@30fps

  • Specs Redmi A3x 4G Amazon Link
General
Launch Date
August 19, 2025
May 24, 2024
Availability
August 28
Available Now
OS
Android 15
Android 14
Custom UI
HyperOS 2.2
MIUI
OS Updates
2 Years
2 Years
Security Updates
4 Years
3 Years
AI Features
Circle to Search, Gemini Live, AI Erase and more
Body
Dimensions
169.5 x 80.5 x 8.4 mm
168.4 x 76.3 x 8.3 mm
Thickness
8.4 mm
8.3 mm
Weight
217 g
193 g
Build Details
Plastic Back
Mineral Glass
IP Rating
IP64 (dust tight and water resistant (water splashes))
No
Display
Size
6.9 inches
6.71 inches
Type
IPS LCD
IPS LCD
Refresh Rate
144 Hz
90 Hz
Peak Brightness
850 nits
500 nits
Resolution
1080 x 2340 pixels
720x1650 pixels
Pixel Density
374 ppi
268 ppi
Aspect Ratio
19.5:9
20.5:9
Screen to Body Ratio
85.7 %
82.9 %
Protection
Gorilla Glass 3
Performance
Chipset¹
Qualcomm Snapdragon 6s Gen 3
Unisoc Unisoc T603
Process Size
6 nm
12 nm
CPU
Octa-core
2x2.3 GHz Cortex-A78
6x2.0 GHz Cortex-A55
Octa core
1.8 GHz, Dual core, Cortex A75
1.6 GHz, Hexa Core, Cortex A55
GPU
Adreno 619
Mali-G57
RAM & Storage
6GB 128GB (UFS 2.2)
8GB 128GB (UFS 2.2)
8GB 256GB (UFS 2.2)
3GB 64GB (eMMC 5.1)
4GB 128GB (eMMC 5.1)
RAM Type
LPDDR4X
LPDDR4X
Expandable Memory
Yes
Yes
Camera
Main Camera
50 MP
f/1.75, (wide), 1/2.88" 0.61μm, PDAF
Auxiliary lens
8 MP
f/2.0, (wide)

0.08 MP
(auxiliary lens)
OIS
No
No
Features
LED flash, HDR
LED flash, HDR, Digital Zoom
Video Recording
1080p@30fps
1080p@30fps
Selfie Camera
8 MP
f/2.2, (wide)
5 MP
f/2.2, (wide)
Selfie Features
HDR
HDR
Selfie Video Recording
1080p@30fps
1080p@30fps
Connectivity
SIM
Dual SIM (Nano + Nano (Hybrid))
Dual SIM, GSM+GSM
SIM1: Nano, SIM2: Nano
5G Support
Yes

7 5G bands
n1, n3, n5, n8, n28, n40, n78
No (Supports 4G only)
VoLTE
Yes
Yes
Wi-Fi
Wi-Fi 5
Wi-Fi 4
Wi-Fi Details
802.11 a/b/g/n/ac 5GHz
802.11 b/g/n
Wi-Fi Features
Mobile Hotspot
Mobile Hotspot
USB
USB Type-C 2.0, OTG
USB Type-C
Bluetooth
5.1
4.2
NFC
No
No
GPS
Yes with A-GPS, Glonass
Yes with Glonass
Infrared
Yes
Yes
UWB (Ultra Wideband)
No
No
Battery
Capacity
7000 mAh
5000 mAh
Type
Silicon Carbon
Li-Polymer
Removable
No
No
Wired charging
33W
10W
Reverse Wired Charging
15W
No
Wireless Charging
-2W
No
Reverse Wireless Charging
No
No
Charger in the Box
Yes
Yes
Sound
Stereo Speakers
No
No
3.5mm Headphone Jack
No
Yes
FM Radio
No
Yes
Extra Features
Sensors
Side-mounted fingerprint sensor, accelerometer, compass
Fingerprint (side-mounted), accelerometer, compass
Others
Virtual proximity sensing
Virtual proximity sensing
Colors and Pricing
Colors
Midnight Black, Frosted White, Sandy Purple
Midnight Black, Moonlight White, Aurora Green
Price in India
₹14999
₹6399
FAQs

In this performance comparison, the Redmi 15 with its Qualcomm Snapdragon 6s Gen 3 (6nm) performs better than the Redmi A3x 4G with the Unisoc Unisoc T603 (12nm), thanks to superior chipset efficiency.

Both phones offer the same 2 years of OS update support. For security updates, Redmi 15 offers 4 years of support compared to Redmi A3x 4G's 3 years.

Both Redmi 15 and Redmi A3x 4G use LCD screens. In terms of smoothness, Redmi 15 offers a higher 144 Hz refresh rate, ensuring fluid scrolling and animations. Redmi 15 also boasts a brighter screen with 850 nits of peak brightness, enhancing outdoor visibility. Notably, Redmi 15 offers a higher screen resolution, resulting in sharper visuals and more detailed content.

Redmi 15 comes with a larger 7000 mAh battery, which may offer longer usage on a single charge. Redmi 15 also supports faster wired charging at 33W, compared to 10W on Redmi A3x 4G. Redmi 15 supports wireless charging at -2W, while Redmi A3x 4G does not support wireless charging.

Redmi 15 includes an IP64 rating, while Redmi A3x 4G lacks an official IP rating.

¹ Scores can vary even with the same chipset due to RAM, thermals, and software optimization.