Home Phone comparison Xiaomi Poco X3 GT and Realme 15T - Which is better?

Xiaomi Poco X3 GT vs Realme 15T

56 out 100
Xiaomi Poco X3 GT
VS
66 out 100
Realme 15T
Xiaomi Poco X3 GT
Realme 15T

Compared 2 smartphones : Xiaomi Poco X3 GT Manufactured in August, 2021, with display 6.6 with chipsetMediaTek Dimensity 1100 5G, vs Realme 15T, Manufactured in September, 2025 with chipsetMediaTek Dimensity 6400 Max. 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
  • Larger display: 6.6in
  • Supports Dolby Atmos
Reasons to choose Realme 15T
  • Higher pixel density: 401ppi
  • Lighter design: 181g vs 193g
  • Higher battery capacity: 7000mAh vs 5000mAh
  • Newer Bluetooth version: 5.3 vs 5.2
  • Includes charger

Versions

Available versions and configurations
Memory Options - 8/128 GB
- 8/256 GB		 - 8/128 GB
- 8/256 GB
- 12/256 GB
- 12/512 GB

Review

Key Specs Xiaomi Poco X3 GT and Realme 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 Poco X3 GT
vs
Realme 15T

Display

Display quality comparison
Type IPS LCD AMOLED
Size 6.6 in 6.57 in
Resolution 1080x2400 pixels 1080x2372 pixels
Aspect ratio 20:9 20:9
Pixel density 399 ppi 401 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes Yes (60-120 Hz)
Max brightness 450 nits 4000 nits
HDR support Yes HDR10 No
Touch Sampling Rate 240 Hz 240 Hz
Screen-to-body ratio 84.9 % 87.6 %
Features DCI-P3 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Xiaomi Poco X3 GT
532 nits
Realme 15T
n/a

Design & Build

Design and ergonomics comparison
Height 163.3 mm (6.43 in) 158.36 mm (6.23 in)
Width 75.9 mm (2.99 in) 75.19 mm (2.96 in)
Thickness 8.9 mm (0.35 in) 7.79 mm (0.31 in)
Weight 193 g (6.81 oz) 181 g (6.38 oz)
Water resistance IP53 IP69
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - White
- Black
- Blue		 - Silver
- Gray
- Blue
Fingerprint sensor Yes In-Button Yes, In-Display
Screen-to-body ratio
Xiaomi Poco X3 GT
84.9 %
Realme 15T
87.6 %

Performance

Testing Xiaomi Poco X3 GT and Realme 15T In benchmarks
Processor
Chipset MediaTek Dimensity 1100 5G MediaTek Dimensity 6400 Max
Max Frequency 2600 MHz 2500 MHz
CPU Cores 8 (4 + 4) 8 (2 + 6)
Architecture - 4/2 (Cortex-A55)
- 4/2.6 (Cortex-A78)		 - 6/2 (Cortex-A55)
- 2/2.5 (Cortex-A76)
Process TSMC TSMC
Transistor Size 6 nm 6 nm
Neural Processor MediaTek APU 3.0 Yes
Graphics Mali-G77 MP9 Mali-G57 MP2
GPU Cores 576 64
GPU Frequency 836 MHz 1072 MHz
FLOPS 979.2 GFLOPS 137.2 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Poco X3 GT
1128
Realme 15T
808
Geekbench 6 (Multi-Core)
Xiaomi Poco X3 GT
3172
Realme 15T
2046
Geekbench 6 (Single-Core)1128808
Geekbench 6 (Multi-Core)31722046
Geekbench Compute (GPU)n/a1424
Sources: Geekbench v6 [Realme 15T]
AnTuTu 10
AnTuTu 10
Xiaomi Poco X3 GT
748430
Realme 15T
605158
CPU225630223513
GPU19430348052
Memory152900167188
UX175597166405
NanoReview Score748430605158
3DMark Wild Life
3DMark Wild Life
Xiaomi Poco X3 GT
4299
Realme 15T
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
Realme 15T
n/a
Writing score11093n/a
Web score7059n/a
Video editing6615n/a
Data manipulation7698n/a
NanoReview Score9687n/a

Memory

RAM
RAM Size 8 GB 8 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 CardNoMicroSD

Software

OS Android 11 (Upgradeable to Android 13) Android 15
UI Skin MIUI 14 Realme UI 6.0

Battery

Volume 5000 mAh 7000 mAh
Max Charging Power 67 W 60 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging No No
Reverse Charging No Yes
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
Realme 15T
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 8192x6144 pixels
Zoom Digital Digital
Flash Dual LED LED
Stabilization Digital Optical
8K Recording No No
4K Recording Yes (Up to 30 fps) No
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 960 fps (720p) 120 fps (720p)
Wide-angle lens 120 ° n/a
Lenses count Standard: 64 MP
Ultra-wide: 8 MP
Macro: 2 MP		 Standard: 50 MP
Depth: 2 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix64 MP50 MP
Aperturef/1.8f/1.8
Focal length26 mm27 mm
SensorOmnivision OV64BOmnivision OV50D40 Light Hunter 400
Sensor size1/1.971/2.88
Pixel size0.7 μm0.61 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalOptical
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 50 MP
Photo resolution 4920x3264 pixels 8192x6144 pixels
Aperture f/2.5 f/1.8
Focal length n/a 27 mm
Sensor OmniVision OV16A1 Omnivision OV50D40 Light Hunter 400
Sensor size 1/3.06 1/2.88
Pixel size 1 μm 0.61 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 1080p (Full HD) at 60 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 MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.2 5.3
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
DisplayPort n/a No
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Yes Varies by region
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 1900MHzGSM 850/900/1800MHz
3G BandsWCDMA 1, 2, 4, 5, 8WCDMA 1/5/8
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B18/B19/B26/B28/B38/B40/B41/B42)LTE (B1/B3/B5/B8/B40/B41)
LTE category18n/a
5G SupportYesYes

Sound

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

Other

Class Mid-range Mid-range
Announced July, 2021 yr September, 2025 yr
Release Date August, 2021 yr September, 2025 yr
Launch Price ($) 300 n/a
MSRP ($) n/a 230
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included n/a Yes, 60 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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

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