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

Xiaomi Poco X3 GT vs OnePlus 15T

56 out 100
Xiaomi Poco X3 GT
VS
92 out 100
OnePlus 15T
Xiaomi Poco X3 GT
OnePlus 15T

Compared 2 smartphones : Xiaomi Poco X3 GT Manufactured in August, 2021, with display 6.6 with chipsetMediaTek Dimensity 1100 5G, vs OnePlus 15T, Manufactured in March, 2026 with chipsetQualcomm Snapdragon 8 Elite Gen 5. 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
  • Lighter design: 193g vs 194g
  • Supports Dolby Atmos
Reasons to choose OnePlus 15T
  • Higher pixel density: 460ppi
  • Higher refresh rate: 165Hz
  • Higher battery capacity: 7500mAh vs 5000mAh
  • Newer Bluetooth version: 6.0 vs 5.2
  • Supports DisplayPort
  • Built-in eSIM
  • Includes charger

Versions

Available versions and configurations
Memory Options - 8/128 GB
- 8/256 GB		 - 12/256 GB
- 12/512 GB
- 16/256 GB
- 16/512 GB
- 16/1024 GB

Review

Key Specs Xiaomi Poco X3 GT and OnePlus 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
OnePlus 15T

Display

Display quality comparison
Type IPS LCD AMOLED
Size 6.6 in 6.32 in
Resolution 1080x2400 pixels 1216x2640 pixels
Aspect ratio 20:9 19.5:9
Pixel density 399 ppi 460 ppi
Refresh rate 120 Hz 165 Hz
Adaptive refresh rate Yes Yes (60-165 Hz)
Max brightness 450 nits 1800 nits
HDR support Yes HDR10 Yes, Dolby Vision
Touch Sampling Rate 240 Hz 330 Hz
Screen-to-body ratio 84.9 % 90.7 %
Features DCI-P3 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Xiaomi Poco X3 GT
532 nits
OnePlus 15T
1103 nits
sRGB gamutn/a99.9 %
PWM (Flicker)n/a120 Hz
Response timen/a6 ms
Contrastn/a∞ Infinite
Sources: NotebookCheck [OnePlus 15T]

Design & Build

Design and ergonomics comparison
Height 163.3 mm (6.43 in) 150.56 mm (5.93 in)
Width 75.9 mm (2.99 in) 71.82 mm (2.83 in)
Thickness 8.9 mm (0.35 in) 8.35 mm (0.33 in)
Weight 193 g (6.81 oz) 194 g (6.84 oz)
Water resistance IP53 IP69
Cooling system n/a Vapor chamber
Back panel Plastic Plastic
Frame Plastic Metal
Colors - White
- Black
- Blue		 - White
- Green
- Brown
Fingerprint sensor Yes In-Button Yes, In-Display
Screen-to-body ratio
Xiaomi Poco X3 GT
84.9 %
OnePlus 15T
90.7 %

Performance

Testing Xiaomi Poco X3 GT and OnePlus 15T In benchmarks
Processor
Chipset MediaTek Dimensity 1100 5G Qualcomm Snapdragon 8 Elite Gen 5
Max Frequency 2600 MHz 4608 MHz
CPU Cores 8 (4 + 4) 8 (2 + 6)
Architecture - 4/2 (Cortex-A55)
- 4/2.6 (Cortex-A78)		 - 6/3.63 (Oryon Gen 3 Performance)
- 2/4.61 (Oryon Gen 3 Prime)
Process TSMC TSMC
Transistor Size 6 nm 3 nm
Neural Processor MediaTek APU 3.0 Hexagon
Graphics Mali-G77 MP9 n/a
GPU Cores 576 n/a
GPU Frequency 836 MHz n/a
FLOPS 979.2 GFLOPS n/a
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Poco X3 GT
1128
OnePlus 15T
3640
Geekbench 6 (Multi-Core)
Xiaomi Poco X3 GT
3172
OnePlus 15T
11033
Geekbench 6 (Single-Core)11283640
Geekbench 6 (Multi-Core)317211033
Sources: Geekbench v6 [OnePlus 15T]
AnTuTu 10
AnTuTu 10
Xiaomi Poco X3 GT
748430
OnePlus 15T
3676955
CPU2256301052960
GPU1943031369637
Memory152900479431
UX175597774927
NanoReview Score7484303676955
3DMark Wild Life
3DMark Wild Life
Xiaomi Poco X3 GT
4299
OnePlus 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
OnePlus 15T
n/a
Writing score11093n/a
Web score7059n/a
Video editing6615n/a
Data manipulation7698n/a
NanoReview Score9687n/a

Memory

RAM
RAM Size 8 GB 12 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency 2133 MHz 5300 MHz
Channels 2 4
Storage
Storage Capacity- 128 GB
- 256 GB		256 GB
Storage TypeUFS 3.1UFS 4.1
Memory CardNoNo

Software

OS Android 11 (Upgradeable to Android 13) Android 16
OS Size n/a 57 GB
UI Skin MIUI 14 ColorOS 16

Battery

Volume 5000 mAh 7500 mAh
Max Charging Power 67 W 100 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging No Yes (50 W)
Reverse Charging No Yes
Fast Charging Yes (75% in 30 min) Yes (61% in 30 min)
Full Charge Time 0:48 h 0:46 h
Battery Life Test
Battery Life
Xiaomi Poco X3 GT
23:22
OnePlus 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 Optical, 3.5x
Flash Dual LED Dual LED
Stabilization Digital Optical
8K Recording No Yes (Up to 30 fps)
4K Recording Yes (Up to 30 fps) Yes (Up to 120 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 120 fps)
Slow Motion 960 fps (720p) 480 fps (720p)
Wide-angle lens 120 ° n/a
Lenses count Standard: 64 MP
Ultra-wide: 8 MP
Macro: 2 MP		 Standard: 50 MP
Telephoto: 50 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix64 MP50 MP
Aperturef/1.8f/1.8
Focal length26 mm24 mm
SensorOmnivision OV64BSony IMX906
Sensor size1/1.971/1.56 (0.64)
Pixel size0.7 μm1 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalOptical
Telephoto
Matrixn/a50 MP
Aperturen/af/2.8
Focal lengthn/a85 mm
Sensorn/aSamsung S5KJN5
Sensor sizen/a1/2.76 (0.36)
Pixel sizen/a0.64 μm
Stabilizationn/aOptical
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 16 MP
Photo resolution 4920x3264 pixels n/a
Aperture f/2.5 f/2.4
Focal length n/a 23 mm
Sensor OmniVision OV16A1 CMOS
Sensor size 1/3.06 n/a
Pixel size 1 μm 1 μm
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 7 (802.11 a/b/g/n/ac/ax/be)
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 6.0
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 Yes
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Yes Yes
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotNoNo
2G BandsGSM 850 900 1800 1900MHzGSM 850/900/1800MHz
3G BandsWCDMA 1, 2, 4, 5, 8WCDMA 1/2/4/5/8
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B18/B19/B26/B28/B38/B40/B41/B42)LTE (B1/B2/B3/B4/B5/B7/B8/B18/B19/B26/B28/B34/B38/B39/B40/B41/B42/B43/B48/B66)
LTE category18n/a
5G SupportYesYes

Sound

Speakers Stereo n/a
3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes No
Speaker Test
Max Volume
Xiaomi Poco X3 GT
n/a
OnePlus 15T
81.5 dB

Other

Class Mid-range Flagship
Announced July, 2021 yr March, 2026 yr
Release Date August, 2021 yr March, 2026 yr
Launch Price ($) 300 n/a
MSRP ($) n/a 799
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, 100 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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

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