Home Phone comparison Xiaomi Redmi 15 5G and Realme GT 8 (China) - Which is better?

Xiaomi Redmi 15 5G vs Realme GT 8 (China)

61 out 100
Xiaomi Redmi 15 5G
VS
94 out 100
Realme GT 8 (China)
Xiaomi Redmi 15 5G
Realme GT 8 (China)

Compared 2 smartphones : Xiaomi Redmi 15 5G Manufactured in August, 2025, with display 6.9 with chipsetQualcomm Snapdragon 6s Gen 3, vs Realme GT 8 (China), Manufactured in October, 2025 with chipsetQualcomm Snapdragon 8 Elite. 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 Redmi 15 5G
  • Larger display: 6.9in
Reasons to choose Realme GT 8 (China)
  • Higher pixel density: 508ppi
  • Lighter design: 209g vs 224g
  • Newer Bluetooth version: 6.0 vs 5.1

Versions

Available versions and configurations
Memory Options - 4/128 GB
- 6/128 GB
- 8/256 GB		 - 12/256 GB
- 12/512 GB
- 16/256 GB
- 16/512 GB
- 16/1024 GB

Review

Key Specs Xiaomi Redmi 15 5G and Realme GT 8 (China)
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
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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 Redmi 15 5G
vs
Realme GT 8 (China)

Display

Display quality comparison
Type IPS LCD OLED
Size 6.9 in 6.79 in
Resolution 1080x2340 pixels 1440x3136 pixels
Aspect ratio 19.5:9 19.5:9
Pixel density 374 ppi 508 ppi
Refresh rate 144 Hz 144 Hz
Adaptive refresh rate Yes Yes (1-120 Hz)
Max brightness n/a 2000 nits
HDR support No Yes, HDR10+
Screen-to-body ratio 83.1 % 91 %
Features n/a - DCI-P3
- Always-On Display
- DC dimming

Design & Build

Design and ergonomics comparison
Height 171.1 mm (6.74 in) 161.8 mm (6.37 in)
Width 82.1 mm (3.23 in) 76.87 mm (3.03 in)
Thickness 8.6 mm (0.34 in) 8.2 mm (0.32 in)
Weight 224 g (7.9 oz) 209 g (7.37 oz)
Water resistance IP64 IP69
Cooling system n/a Vapor chamber
Back panel Plastic n/a
Frame Plastic Metal
Colors - Black
- Gray
- Green		 - White
- Blue
- Green
Fingerprint sensor Yes, In-Button Yes, In-Display
Screen-to-body ratio
Xiaomi Redmi 15 5G
83.1 %
Realme GT 8 (China)
91 %

Performance

Testing Xiaomi Redmi 15 5G and Realme GT 8 (China) In benchmarks
Processor
Chipset Qualcomm Snapdragon 6s Gen 3 Qualcomm Snapdragon 8 Elite
Max Frequency 2300 MHz 4320 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/2 (Cortex-A55)
- 2/2.3 (Cortex-A78)		 - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))
Process TSMC TSMC
Transistor Size 6 nm 3 nm
Neural Processor Hexagon Hexagon
Graphics Adreno 619 Adreno 830
GPU Cores 256 1536
GPU Frequency 900 MHz 1100 MHz
FLOPS 460.8 GFLOPS 3379.2 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi 15 5G
935
Realme GT 8 (China)
3128
Geekbench 6 (Multi-Core)
Xiaomi Redmi 15 5G
2109
Realme GT 8 (China)
9540
Geekbench 6 (Single-Core)9353128
Geekbench 6 (Multi-Core)21099540
Geekbench Compute (GPU)n/a19212
Sources: Geekbench v6 [Realme GT 8 (China)]
AnTuTu 10
AnTuTu 10
Xiaomi Redmi 15 5G
473154
Realme GT 8 (China)
3322942
CPU153170990768
GPU916871156131
Memory99792450995
UX128505725048
NanoReview Score4731543322942

Memory

RAM
RAM Size 4 GB 12 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency 2133 MHz 5300 MHz
Channels 2 4
Storage
Storage Capacity128 GB256 GB
Storage TypeUFS 2.2UFS 4.0
Memory CardNoNo

Software

OS Android 15 Android 16
UI Skin HyperOS 2.0 Realme UI 7.0

Battery

Volume 7000 mAh 7000 mAh
Max Charging Power 33 W 100 W
Battery Type n/a Silicon Carbon (Si/C)
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes Yes (40% in 15 min)
Full Charge Time n/a 0:45 h

Main camera

Matrix 50 MP 50 MP
Photo resolution n/a 8192x6144 pixels
Zoom Digital Optical, 3.5x
Flash LED Dual LED
Stabilization Digital Optical
8K Recording No Yes (Up to 30 fps)
4K Recording No Yes (Up to 120 fps)
1080p Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
Slow Motion n/a 240 fps (1080p)
Wide-angle lens n/a 112 °
Lenses count Standard: 50 MP
Depth		 Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 8 MP
Features Bokeh effect - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP50 MP
Aperturef/1.8f/1.9
Focal lengthn/a22 mm
Sensor sizen/a1/1.56
Pixel sizen/a1 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalOptical
Telephoto
Matrixn/a50 MP
Aperturen/af/2.8
Focal lengthn/a80 mm
Stabilizationn/aDigital
Ultra-wide lens
Matrixn/a8 MP
Aperturen/af/2.2
Focal lengthn/a16 mm
Sensorn/aSony IMX355
Sensor sizen/a1/2.8
Pixel sizen/a1.14 μm
Stabilizationn/aDigital

Front camera

Matrix 8 MP 16 MP
Photo resolution n/a 4608x3456 pixels
Aperture f/2.0 f/2.4
Focal length n/a 23 mm
Sensor n/a Sony IMX480
Sensor size n/a 1/3.09
Pixel size n/a 1 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 2160p (4K) at 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) 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 5.1 6.0
Bluetooth features LE 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		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC
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 Bandsn/aGSM 850/900/1800
3G Bandsn/aWCDMA 1/4/5/6/8/19
LTE Bands*n/aLTE (B1/B3/B4/B5/B8/B18/B19/B20/B26/B28/B34/B38/B39/B40/B41/B42/B48/B66)
5G SupportYesYes

Sound

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

Other

Class Mid-range Flagship
Announced August, 2025 yr October, 2025 yr
Release Date August, 2025 yr October, 2025 yr
MSRP ($) 230 410
Sensors - Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes, 33 W Yes, 100 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Realme GT 8 (China) the clear winner in this comparison.

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