Home Phone comparison Xiaomi Poco X3 GT and Xiaomi Redmi 15 5G - Which is better?

Xiaomi Poco X3 GT vs Xiaomi Redmi 15 5G

56 out 100
Xiaomi Poco X3 GT
VS
61 out 100
Xiaomi Redmi 15 5G
Xiaomi Poco X3 GT
Xiaomi Redmi 15 5G

Compared 2 smartphones : Xiaomi Poco X3 GT Manufactured in August, 2021, with display 6.6 with chipsetMediaTek Dimensity 1100 5G, vs Xiaomi Redmi 15 5G, Manufactured in August, 2025 with chipsetQualcomm Snapdragon 6s Gen 3. 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 Poco X3 GT
  • Higher pixel density: 399ppi
  • Lighter design: 193g vs 224g
  • Newer Bluetooth version: 5.2 vs 5.1
  • Supports Dolby Atmos
Reasons to choose Xiaomi Redmi 15 5G
  • Larger display: 6.9in
  • Higher refresh rate: 144Hz
  • Higher battery capacity: 7000mAh vs 5000mAh
  • Includes charger

Versions

Available versions and configurations
Memory Options - 8/128 GB
- 8/256 GB		 - 4/128 GB
- 6/128 GB
- 8/256 GB

Review

Key Specs Xiaomi Poco X3 GT and Xiaomi Redmi 15 5G
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.
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Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison
Smartphones:
Xiaomi Poco X3 GT
vs
Xiaomi Redmi 15 5G

Display

Display quality comparison
Type IPS LCD IPS LCD
Size 6.6 in 6.9 in
Resolution 1080x2400 pixels 1080x2340 pixels
Aspect ratio 20:9 19.5:9
Pixel density 399 ppi 374 ppi
Refresh rate 120 Hz 144 Hz
Adaptive refresh rate Yes Yes
Max brightness 450 nits n/a
HDR support Yes HDR10 No
Touch Sampling Rate 240 Hz n/a
Screen-to-body ratio 84.9 % 83.1 %
Features DCI-P3 n/a
Display test
Peak brightness (auto)
Xiaomi Poco X3 GT
532 nits
Xiaomi Redmi 15 5G
n/a

Design & Build

Design and ergonomics comparison
Height 163.3 mm (6.43 in) 171.1 mm (6.74 in)
Width 75.9 mm (2.99 in) 82.1 mm (3.23 in)
Thickness 8.9 mm (0.35 in) 8.6 mm (0.34 in)
Weight 193 g (6.81 oz) 224 g (7.9 oz)
Water resistance IP53 IP64
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - White
- Black
- Blue		 - Black
- Gray
- Green
Fingerprint sensor Yes In-Button Yes, In-Button
Screen-to-body ratio
Xiaomi Poco X3 GT
84.9 %
Xiaomi Redmi 15 5G
83.1 %

Performance

Testing Xiaomi Poco X3 GT and Xiaomi Redmi 15 5G In benchmarks
Processor
Chipset MediaTek Dimensity 1100 5G Qualcomm Snapdragon 6s Gen 3
Max Frequency 2600 MHz 2300 MHz
CPU Cores 8 (4 + 4) 8 (2 + 6)
Architecture - 4/2 (Cortex-A55)
- 4/2.6 (Cortex-A78)		 - 6/2 (Cortex-A55)
- 2/2.3 (Cortex-A78)
Process TSMC TSMC
Transistor Size 6 nm 6 nm
Neural Processor MediaTek APU 3.0 Hexagon
Graphics Mali-G77 MP9 Adreno 619
GPU Cores 576 256
GPU Frequency 836 MHz 900 MHz
FLOPS 979.2 GFLOPS 460.8 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Poco X3 GT
1128
Xiaomi Redmi 15 5G
935
Geekbench 6 (Multi-Core)
Xiaomi Poco X3 GT
3172
Xiaomi Redmi 15 5G
2109
Geekbench 6 (Single-Core)1128935
Geekbench 6 (Multi-Core)31722109
AnTuTu 10
AnTuTu 10
Xiaomi Poco X3 GT
748430
Xiaomi Redmi 15 5G
473154
CPU225630153170
GPU19430391687
Memory15290099792
UX175597128505
NanoReview Score748430473154
3DMark Wild Life
3DMark Wild Life
Xiaomi Poco X3 GT
4299
Xiaomi Redmi 15 5G
n/a
Stability98 %n/a
Graphics Test25 fpsn/a
Graphics Score4299n/a
Sources: 3DMark [Xiaomi Poco X3 GT]
PCMark 3.0
PCMark 3.0
Xiaomi Poco X3 GT
9687
Xiaomi Redmi 15 5G
n/a
Writing score11093n/a
Web score7059n/a
Video editing6615n/a
Data manipulation7698n/a
NanoReview Score9687n/a

Memory

RAM
RAM Size 8 GB 4 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 2133 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity- 128 GB
- 256 GB		128 GB
Storage TypeUFS 3.1UFS 2.2
Memory CardNoNo

Software

OS Android 11 (Upgradeable to Android 13) Android 15
UI Skin MIUI 14 HyperOS 2.0

Battery

Volume 5000 mAh 7000 mAh
Max Charging Power 67 W 33 W
Battery Type Li-Po n/a
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (75% in 30 min) Yes
Full Charge Time 0:48 h n/a
Battery Life Test
Battery Life
Xiaomi Poco X3 GT
23:22
Xiaomi Redmi 15 5G
n/a
Web Browsing08:23 hn/a
Video Playback13:11 hn/a
Games05:34 hn/a
Standby Mode126 hn/a

Main camera

Matrix 64 MP 50 MP
Photo resolution 9248x6936 pixels n/a
Zoom Digital Digital
Flash Dual LED LED
Stabilization Digital Digital
8K Recording No No
4K Recording Yes (Up to 30 fps) No
1080p Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
Slow Motion 960 fps (720p) n/a
Wide-angle lens 120 ° n/a
Lenses count Standard: 64 MP
Ultra-wide: 8 MP
Macro: 2 MP		 Standard: 50 MP
Depth
Features - Bokeh effect
- Pro mode		 Bokeh effect
Main lens
Matrix64 MP50 MP
Aperturef/1.8f/1.8
Focal length26 mmn/a
SensorOmnivision OV64Bn/a
Sensor size1/1.97n/a
Pixel size0.7 μmn/a
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital
Ultra-wide lens
Matrix8 MPn/a
Aperturef/2.2n/a
Focal length16 mmn/a
SensorSony IMX355n/a
Sensor size1/4.0n/a
Pixel size1.12 μmn/a
StabilizationDigitaln/a

Front camera

Matrix 16 MP 8 MP
Photo resolution 4920x3264 pixels n/a
Aperture f/2.5 f/2.0
Sensor OmniVision OV16A1 n/a
Sensor size 1/3.06 n/a
Pixel size 1 μm n/a
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 6 (802.11 a/b/g/n/ac/ax) Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.2 5.1
Bluetooth features LE, A2DP 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
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS		 - GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes Yes
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 850 900 1800 1900MHzn/a
3G BandsWCDMA 1, 2, 4, 5, 8n/a
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B18/B19/B26/B28/B38/B40/B41/B42)n/a
LTE category18n/a
5G SupportYesYes

Sound

Speakers Stereo n/a
3.5 mm Jack No Yes
FM Radio No Yes
Dolby Atmos Yes n/a

Other

Class Mid-range Mid-range
Announced July, 2021 yr August, 2025 yr
Release Date August, 2021 yr August, 2025 yr
Launch Price ($) 300 n/a
MSRP ($) n/a 230
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included n/a Yes, 33 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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