Home Phone comparison Xiaomi Redmi A3 and Xiaomi 15T - Which is better?

Xiaomi Redmi A3 vs Xiaomi 15T

40 out 100
Xiaomi Redmi A3
VS
82 out 100
Xiaomi 15T
Xiaomi Redmi A3
Xiaomi 15T

Compared 2 smartphones : Xiaomi Redmi A3 Manufactured in February, 2024, with display 6.71 with chipsetMediaTek Helio G36, vs Xiaomi 15T, Manufactured in September, 2025 with chipsetMediaTek Dimensity 8400 Ultra. Below are specs, tests, pros and cons for each device

  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery Life
  6. Cameras
  7. Comments (0)

Key Differences

Device key advantages
Reasons to choose Xiaomi Redmi A3
  • Includes charger
Reasons to choose Xiaomi 15T
  • Larger display: 6.83in
  • Higher pixel density: 447ppi
  • Higher refresh rate: 120Hz
  • Lighter design: 194g vs 199g
  • Higher battery capacity: 5500mAh vs 5000mAh
  • Newer Bluetooth version: 6.0 vs 5.4
  • Supports Dolby Atmos
  • Infrared port
  • Built-in eSIM

Versions

Available versions and configurations
Memory Options - 2/64 GB
- 3/64 GB
- 3/128 GB
- 4/64 GB
- 4/128 GB
- 6/128 GB		 - 12/256 GB
- 12/512 GB

Review

Key Specs Xiaomi Redmi A3 and Xiaomi 15T
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
NanoReview Score
Overall score by NanoReview
Adjust each parameter’s importance to find the best match for you.
Customize your score
Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison
Smartphones:
Xiaomi Redmi A3
vs
Xiaomi 15T

Display

Display quality comparison
Type IPS LCD AMOLED
Size 6.71 in 6.83 in
Resolution 720x1650 pixels 1280x2772 pixels
Aspect ratio 20:9 19.5:9
Pixel density 268 ppi 447 ppi
Refresh rate 90 Hz 120 Hz
Adaptive refresh rate No Yes
Max brightness 420 nits n/a
HDR support No Yes, Dolby Vision
Touch Sampling Rate n/a 480 Hz
Screen-to-body ratio 84.6 % 89.9 %
Features n/a - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Xiaomi Redmi A3
357 nits
Xiaomi 15T
n/a
sRGB gamut95.1 %n/a
Response time40 msn/a
Contrast1314:1n/a
Sources: NotebookCheck [Xiaomi Redmi A3]

Design & Build

Design and ergonomics comparison
Height 168.3 mm (6.63 in) 163.2 mm (6.43 in)
Width 76.3 mm (3 in) 78 mm (3.07 in)
Thickness 8.32 mm (0.33 in) 7.5 mm (0.3 in)
Weight 199 g (7.02 oz) 194 g (6.84 oz)
Water resistance No IP68
Cooling system n/a Vapor chamber
Back panel Plastic n/a
Frame Plastic Plastic
Colors - Black
- Blue
- Green		 - Black
- Gray
- Rose Gold
Fingerprint sensor Yes In-Button Yes, In-Display
Screen-to-body ratio
Xiaomi Redmi A3
84.6 %
Xiaomi 15T
89.9 %

Performance

Testing Xiaomi Redmi A3 and Xiaomi 15T In benchmarks
Processor
Chipset MediaTek Helio G36 MediaTek Dimensity 8400 Ultra
Max Frequency 2200 MHz 3250 MHz
CPU Cores 8 (4 + 4) 8 (1 + 3 + 4)
Architecture - 4/1.8 (Cortex-A53)
- 4/2.2 (Cortex-A53)		 - 4/2.1 (Cortex-A725)
- 3/3 (Cortex-A725)
- 1/3.25 (Cortex-A725)
Process TSMC TSMC
Transistor Size 12 nm 4 nm
Neural Processor No MediaTek NPU 880
Graphics PowerVR GE8320 Mali-G720 MP7
GPU Cores 32 896
GPU Frequency 680 MHz 1300 MHz
FLOPS 43.5 GFLOPS 2329.6 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi A3
230
Xiaomi 15T
1603
Geekbench 6 (Multi-Core)
Xiaomi Redmi A3
840
Xiaomi 15T
6413
Geekbench 6 (Single-Core)2301603
Geekbench 6 (Multi-Core)8406413
Geekbench Compute (GPU)n/a11228
Sources: Geekbench v6 [Xiaomi 15T]
AnTuTu 10
AnTuTu 10
Xiaomi Redmi A3
153983
Xiaomi 15T
1872827
CPU55340448609
GPU10749683486
Memory42864396486
UX45030344246
NanoReview Score1539831872827

Memory

RAM
RAM Size - 3 GB
- 4 GB
- 6 GB		 12 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency 1600 MHz n/a
Channels 2 4
Storage
Storage Capacity- 64 GB
- 128 GB		256 GB
Storage TypeeMMC 5.1UFS 4.1
Memory CardMicroSDNo

Software

OS Android 14 Android 15
OS Size 19 GB n/a
UI Skin MIUI Go Edition HyperOS 2.0

Battery

Volume 5000 mAh 5500 mAh
Max Charging Power 10 W 67 W
Battery Type Li-ion Li-Po
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging No Yes (50% in 22 min)
Full Charge Time 2:40 h 0:50 h

Main camera

Matrix 8 MP 50 MP
Photo resolution 3264x2448 pixels 8192x6144 pixels
Zoom Digital Optical, 2x
Flash LED Dual LED
Stabilization Digital Optical
8K Recording No No
4K Recording No Yes (Up to 60 fps)
1080p Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
Slow Motion No 240 fps (1080p)
Wide-angle lens n/a 120 °
Lenses count Standard: 8 MP
Depth: 0.08 MP		 Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 12 MP
Features Bokeh effect - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix8 MP50 MP
Aperturef/2.0f/1.7
Focal lengthn/a23 mm
Sensorn/aOmnivision OV50 Light Hunter 800
Sensor sizen/a1/1.55
Pixel sizen/a1 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalOptical
Telephoto
Matrixn/a50 MP
Aperturen/af/1.9
Focal lengthn/a46 mm
Sensorn/aSamsung S5KJN5
Sensor sizen/a1/2.76
Pixel sizen/a0.64 μm
Stabilizationn/aDigital
Ultra-wide lens
Matrixn/a12 MP
Aperturen/af/2.2
Focal lengthn/a15 mm
Sensor sizen/a1/3.06
Pixel sizen/a1.12 μm
Stabilizationn/aDigital

Front camera

Matrix 5 MP 32 MP
Photo resolution 2592x1944 pixels n/a
Aperture f/2.2 f/2.2
Focal length n/a 21 mm
Sensor CMOS CMOS
Sensor size n/a 1/3.44
Pixel size n/a 0.64 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 2160p (4K) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 6E (802.11 a/b/g/n/ac/ax)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.4 6.0
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort No No
GPS - GPS
- GLONASS
- Beidou
- Galileo		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* No Yes
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotNoNo
2G BandsGSM B2, B3, B5, B8GSM 2/3/5/8
3G BandsWCDMA B1, B5, B8WCDMA B1/2/4/5/8/6/19
LTE Bands*LTE (B1/B3/B5/B7/B8/B20/B28)LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B26/B28/B32/B66/B71)
LTE category4n/a
5G SupportNoYes

Sound

Speakers Mono n/a
3.5 mm Jack Yes No
FM Radio Yes No
Dolby Atmos No Yes
Speaker Test
Max Volume
Xiaomi Redmi A3
78.8 dB
Xiaomi 15T
n/a

Other

Class Budget Mid-range
Announced February, 2024 yr September, 2025 yr
Release Date February, 2024 yr September, 2025 yr
Launch Price ($) 80 n/a
MSRP ($) n/a 650
Sensors - Accelerometer
- Ambient Light Sensor
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 10 W No

Note

Xiaomi Redmi A3:

The smartphone in green color is 7 grams lighter than the others.

* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Xiaomi 15T the clear winner in this comparison.

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