Home Phone comparison Oppo Realme GT Master Edition and Xiaomi 15T - Which is better?

Oppo Realme GT Master Edition vs Xiaomi 15T

53 out 100
Oppo Realme GT Master Edition
VS
82 out 100
Xiaomi 15T
Oppo Realme GT Master Edition
Xiaomi 15T

Compared 2 smartphones : Oppo Realme GT Master Edition Manufactured in July, 2021, with display 6.43 with chipsetQualcomm Snapdragon 778 5G, 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 Oppo Realme GT Master Edition
  • Lighter design: 174g vs 194g
  • Includes charger
Reasons to choose Xiaomi 15T
  • Larger display: 6.83in
  • Higher pixel density: 447ppi
  • Higher battery capacity: 5500mAh vs 4300mAh
  • Newer Bluetooth version: 6.0 vs 5.2
  • Supports Dolby Atmos
  • Infrared port
  • Built-in eSIM

Versions

Available versions and configurations
Memory Options - 6/128 GB
- 8/128 GB
- 8/256 GB		 - 12/256 GB
- 12/512 GB

Review

Key Specs Oppo Realme GT Master Edition 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:
Realme GT Master Edition
vs
Xiaomi 15T

Display

Display quality comparison
Type Super AMOLED AMOLED
Size 6.43 in 6.83 in
Resolution 1080x2400 pixels 1280x2772 pixels
Aspect ratio 20:9 19.5:9
Pixel density 402 ppi 447 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate No Yes
Max brightness 630 nits n/a
HDR support Yes HDR10 Yes, Dolby Vision
Touch Sampling Rate 360 Hz 480 Hz
Screen-to-body ratio 85.3 % 89.9 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Oppo Realme GT Master Edition
632 nits
Xiaomi 15T
n/a
sRGB gamut100 %n/a
PWM (Flicker)245 Hzn/a
Response time7 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Oppo Realme GT Master Edition]

Design & Build

Design and ergonomics comparison
Height 159.2 mm (6.27 in) 163.2 mm (6.43 in)
Width 73.5 mm (2.89 in) 78 mm (3.07 in)
Thickness 8.7 mm (0.34 in) 7.5 mm (0.3 in)
Weight 174 g (6.14 oz) 194 g (6.84 oz)
Water resistance No IP68
Cooling system Vapor chamber Vapor chamber
Back panel Plastic n/a
Frame Plastic Plastic
Colors - White
- Black
- Gray		 - Black
- Gray
- Rose Gold
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Oppo Realme GT Master Edition
85.3 %
Xiaomi 15T
89.9 %

Performance

Testing Oppo Realme GT Master Edition and Xiaomi 15T In benchmarks
Processor
Chipset Qualcomm Snapdragon 778 5G MediaTek Dimensity 8400 Ultra
Max Frequency 2400 MHz 3250 MHz
CPU Cores 8 (1 + 3 + 4) 8 (1 + 3 + 4)
Architecture - 4/1.8 (Kryo 670 Silver (Cortex-A55))
- 3/2.4 (Kryo 670 Gold (Cortex-A78))
- 1/2.4 (Kryo 670 Prime (Cortex-A78))		 - 4/2.1 (Cortex-A725)
- 3/3 (Cortex-A725)
- 1/3.25 (Cortex-A725)
Process TSMC TSMC
Transistor Size 6 nm 4 nm
Neural Processor Hexagon 770 MediaTek NPU 880
Graphics Adreno 642 Mali-G720 MP7
GPU Cores 512 896
GPU Frequency 490 MHz 1300 MHz
FLOPS 844 GFLOPS 2329.6 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Oppo Realme GT Master Edition
1046
Xiaomi 15T
1603
Geekbench 6 (Multi-Core)
Oppo Realme GT Master Edition
2889
Xiaomi 15T
6413
Geekbench 6 (Single-Core)10461603
Geekbench 6 (Multi-Core)28896413
Geekbench Compute (GPU)n/a11228
Sources: Geekbench v6 [Xiaomi 15T]
AnTuTu 10
AnTuTu 10
Oppo Realme GT Master Edition
607826
Xiaomi 15T
1872827
CPU217957448609
GPU138485683486
Memory120353396486
UX131031344246
NanoReview Score6078261872827
3DMark Wild Life
3DMark Wild Life
Oppo Realme GT Master Edition
2492
Xiaomi 15T
n/a
Max Surface Temp.49.6 °Cn/a
Stability98 %n/a
Graphics Test14 fpsn/a
Graphics Score2492n/a
Sources: 3DMark [Oppo Realme GT Master Edition]

Memory

RAM
RAM Size - 6 GB
- 8 GB		 12 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency 2133 MHz n/a
Channels 2 4
Storage
Storage Capacity- 128 GB
- 256 GB		256 GB
Storage TypeUFS 2.2UFS 4.1
Memory CardNoNo

Software

OS Android 11 (Upgradeable to Android 13) Android 15
OS Size 16 GB n/a
UI Skin Realme UI 4.0 HyperOS 2.0

Battery

Volume 4300 mAh 5500 mAh
Max Charging Power 65 W 67 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (50% in 15 min) Yes (50% in 22 min)
Full Charge Time 0:31 h 0:50 h
Battery Life Test
Battery Life
Oppo Realme GT Master Edition
20:23
Xiaomi 15T
n/a
Web Browsing07:53 hn/a
Video Playback12:12 hn/a
Games05:11 hn/a
Standby Mode101 hn/a

Main camera

Matrix 64 MP 50 MP
Photo resolution 9280x6920 pixels 8192x6144 pixels
Zoom Digital Optical, 2x
Flash LED Dual LED
Stabilization Digital Optical
8K Recording No No
4K Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 240 fps (720p) 240 fps (1080p)
Wide-angle lens 119 ° 120 °
Lenses count Standard: 64 MP
Ultra-wide: 8 MP
Macro: 2 MP		 Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 12 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix64 MP50 MP
Aperturef/1.8f/1.7
Focal length25 mm23 mm
SensorOmnivision OV64BOmnivision OV50 Light Hunter 800
Sensor size1/21/1.55
Pixel size0.7 μm1 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
Matrix8 MP12 MP
Aperturef/2.2f/2.2
Focal length16 mm15 mm
SensorSony IMX355n/a
Sensor size1/2.81/3.06
Pixel size1.14 μm1.12 μm
StabilizationDigitalDigital

Front camera

Matrix 32 MP 32 MP
Photo resolution 6528x4896 pixels n/a
Aperture f/2.5 f/2.2
Focal length 26 mm 21 mm
Sensor Sony IMX615 CMOS
Sensor size 1/2.74 1/3.44
Pixel size 0.8 μm 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 6 (802.11 a/b/g/n/ac/ax) 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 5.2 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 No
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Yes Yes
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotNoNo
2G BandsGSM 850/900/1800/1900MHzGSM 2/3/5/8
3G BandsWCDMA 1/2/4/5/6/8/19WCDMA B1/2/4/5/8/6/19
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B18/B19/B26/B28/B34/B38/B39/B40/B41)LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B26/B28/B32/B66/B71)
LTE category20n/a
5G SupportYesYes

Sound

Speakers Mono n/a
3.5 mm Jack Yes No
FM Radio No No
Dolby Atmos No Yes
Speaker Test
Max Volume
Oppo Realme GT Master Edition
84.9 dB
Xiaomi 15T
n/a

Other

Class Mid-range Mid-range
Announced July, 2021 yr September, 2025 yr
Release Date July, 2021 yr September, 2025 yr
Launch Price ($) 355 n/a
MSRP ($) n/a 650
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 65 W No
* 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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