Oppo Realme GT Master Edition vs Xiaomi Redmi 15 4G

Compared 2 smartphones : Oppo Realme GT Master Edition Manufactured in July, 2021, with display 6.43 with chipsetQualcomm Snapdragon 778 5G, vs Xiaomi Redmi 15 4G, Manufactured in August, 2025 with chipsetQualcomm Snapdragon 685. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Oppo Realme GT Master Edition
  • Higher pixel density: 402ppi
  • Lighter design: 174g vs 224g
  • Newer Bluetooth version: 5.2 vs 5
Reasons to choose Xiaomi Redmi 15 4G
  • Larger display: 6.9in
  • Higher refresh rate: 144Hz
  • Higher battery capacity: 7000mAh vs 4300mAh
  • Infrared port

Versions

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

Review

Key Specs Oppo Realme GT Master Edition and Xiaomi Redmi 15 4G
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

Display

Display quality comparison
Type Super AMOLED IPS LCD
Size 6.43 in 6.9 in
Resolution 1080x2400 pixels 1080x2340 pixels
Aspect ratio 20:9 19.5:9
Pixel density 402 ppi 374 ppi
Refresh rate 120 Hz 144 Hz
Adaptive refresh rate No Yes
Max brightness 630 nits n/a
HDR support Yes HDR10 No
Touch Sampling Rate 360 Hz n/a
Screen-to-body ratio 85.3 % 83.1 %
Features - DCI-P3
- Always-On Display
- DC dimming
n/a
Display test
Peak brightness (auto)
Oppo Realme GT Master Edition
632 nits
Xiaomi Redmi 15 4G
n/a
sRGB gamut100 %n/a
PWM (Flicker)245 Hzn/a
Response time7 msn/a
Contrast∞ Infiniten/a

Design & Build

Design and ergonomics comparison
Height 159.2 mm (6.27 in) 171.1 mm (6.74 in)
Width 73.5 mm (2.89 in) 82.1 mm (3.23 in)
Thickness 8.7 mm (0.34 in) 8.6 mm (0.34 in)
Weight 174 g (6.14 oz) 224 g (7.9 oz)
Water resistance No IP64
Cooling system Vapor chamber n/a
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - White
- Black
- Gray
- Black
- Gray
- Purple
Fingerprint sensor Yes In-Display Yes, In-Button
Screen-to-body ratio
Oppo Realme GT Master Edition
85.3 %
Xiaomi Redmi 15 4G
83.1 %

Performance

Testing Oppo Realme GT Master Edition and Xiaomi Redmi 15 4G In benchmarks
Processor
Chipset Qualcomm Snapdragon 778 5G Qualcomm Snapdragon 685
Max Frequency 2400 MHz 2800 MHz
CPU Cores 8 (1 + 3 + 4) 8 (4 + 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))
- 4/1.9 (Cortex-A53)
- 4/2.8 (Cortex-A73)
Process TSMC TSMC
Transistor Size 6 nm 6 nm
Neural Processor Hexagon 770 Hexagon 686
Graphics Adreno 642 Adreno 610
GPU Cores 512 128
GPU Frequency 490 MHz 1260 MHz
FLOPS 844 GFLOPS 322.6 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Oppo Realme GT Master Edition
1046
Xiaomi Redmi 15 4G
475
Geekbench 6 (Multi-Core)
Oppo Realme GT Master Edition
2889
Xiaomi Redmi 15 4G
1514
Geekbench 6 (Single-Core)1046475
Geekbench 6 (Multi-Core)28891514
AnTuTu 10
AnTuTu 10
Oppo Realme GT Master Edition
607826
Xiaomi Redmi 15 4G
380990
CPU217957114885
GPU13848557988
Memory120353103236
UX131031104881
NanoReview Score607826380990
3DMark Wild Life
3DMark Wild Life
Oppo Realme GT Master Edition
2492
Xiaomi Redmi 15 4G
n/a
Max Surface Temp.49.6 °Cn/a
Stability98 %n/a
Graphics Test14 fpsn/a
Graphics Score2492n/a

Memory

RAM
RAM Size - 6 GB
- 8 GB
6 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 2.2UFS 2.2
Memory CardNoMicroSD

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 7000 mAh
Max Charging Power 65 W 33 W
Battery Type Li-Po n/a
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (50% in 15 min) Yes
Full Charge Time 0:31 h n/a
Battery Life Test
Battery Life
Oppo Realme GT Master Edition
20:23
Xiaomi Redmi 15 4G
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 n/a
Zoom Digital Digital
Flash 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 240 fps (720p) n/a
Wide-angle lens 119 ° 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 length25 mmn/a
SensorOmnivision OV64Bn/a
Sensor size1/2n/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 size1/2.8n/a
Pixel size1.14 μmn/a
StabilizationDigitaln/a

Front camera

Matrix 32 MP 8 MP
Photo resolution 6528x4896 pixels n/a
Aperture f/2.5 f/2.0
Focal length 26 mm n/a
Sensor Sony IMX615 n/a
Sensor size 1/2.74 n/a
Pixel size 0.8 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
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 No 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 1/2/4/5/6/8/19n/a
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B18/B19/B26/B28/B34/B38/B39/B40/B41)n/a
LTE category20n/a
5G SupportYesNo

Sound

Speakers Mono n/a
3.5 mm Jack Yes Yes
FM Radio No No
Dolby Atmos No n/a
Speaker Test
Max Volume
Oppo Realme GT Master Edition
84.9 dB
Xiaomi Redmi 15 4G
n/a

Other

Class Mid-range Budget
Announced July, 2021 yr August, 2025 yr
Release Date July, 2021 yr August, 2025 yr
Launch Price ($) 355 n/a
MSRP ($) n/a 150
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 65 W Yes, 33 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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