Home Phone comparison Realme 15 5G and Xiaomi 15T - Which is better?

Realme 15 5G vs Xiaomi 15T

70 out 100
Realme 15 5G
VS
82 out 100
Xiaomi 15T
Realme 15 5G
Xiaomi 15T

Compared 2 smartphones : Realme 15 5G Manufactured in July, 2025, with display 6.8 with chipsetMediaTek Dimensity 7300 Plus, 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 Realme 15 5G
  • Higher pixel density: 453ppi
  • Higher refresh rate: 144Hz
  • Lighter design: 187g vs 194g
  • Higher battery capacity: 7000mAh vs 5500mAh
  • Includes charger
Reasons to choose Xiaomi 15T
  • Larger display: 6.83in
  • Newer Bluetooth version: 6.0 vs 5.4
  • Supports Dolby Atmos
  • Built-in eSIM

Versions

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

Review

Key Specs Realme 15 5G 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.
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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:
Realme 15 5G
vs
Xiaomi 15T

Display

Display quality comparison
Type OLED AMOLED
Size 6.8 in 6.83 in
Resolution 1280x2800 pixels 1280x2772 pixels
Aspect ratio 19.5:9 19.5:9
Pixel density 453 ppi 447 ppi
Refresh rate 144 Hz 120 Hz
Adaptive refresh rate Yes Yes
Max brightness 1800 nits n/a
HDR support Yes, HDR10+ Yes, Dolby Vision
Touch Sampling Rate 240 Hz 480 Hz
Screen-to-body ratio 91.9 % 89.9 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming

Design & Build

Design and ergonomics comparison
Height 162.27 mm (6.39 in) 163.2 mm (6.43 in)
Width 76.16 mm (3 in) 78 mm (3.07 in)
Thickness 7.66 mm (0.3 in) 7.5 mm (0.3 in)
Weight 187 g (6.6 oz) 194 g (6.84 oz)
Water resistance IP68 IP68
Cooling system n/a Vapor chamber
Frame Plastic Plastic
Colors - Silver
- Green
- Purple		 - Black
- Gray
- Rose Gold
Fingerprint sensor Yes, In-Display Yes, In-Display
Screen-to-body ratio
Realme 15 5G
91.9 %
Xiaomi 15T
89.9 %

Performance

Testing Realme 15 5G and Xiaomi 15T In benchmarks
Processor
Chipset MediaTek Dimensity 7300 Plus MediaTek Dimensity 8400 Ultra
Max Frequency 2600 MHz 3250 MHz
CPU Cores 8 (4 + 4) 8 (1 + 3 + 4)
Architecture - 4/2 (Cortex-A55)
- 4/2.5 (Cortex-A78)		 - 4/2.1 (Cortex-A725)
- 3/3 (Cortex-A725)
- 1/3.25 (Cortex-A725)
Process TSMC TSMC
Transistor Size 4 nm 4 nm
Neural Processor MediaTek APU 655 MediaTek NPU 880
Graphics Mali-G615 MP2 Mali-G720 MP7
GPU Cores 256 896
GPU Frequency 1047 MHz 1300 MHz
FLOPS 536.1 GFLOPS 2329.6 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Realme 15 5G
1014
Xiaomi 15T
1603
Geekbench 6 (Multi-Core)
Realme 15 5G
2916
Xiaomi 15T
6413
Geekbench 6 (Single-Core)10141603
Geekbench 6 (Multi-Core)29166413
Geekbench Compute (GPU)249711228
Sources: Geekbench v6 [Realme 15 5G], [Xiaomi 15T]
AnTuTu 10
AnTuTu 10
Realme 15 5G
728221
Xiaomi 15T
1872827
CPU212437448609
GPU149032683486
Memory185085396486
UX181667344246
NanoReview Score7282211872827

Memory

RAM
RAM Size 8 GB 12 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency 2133 MHz n/a
Channels 2 4
Storage
Storage Capacity128 GB256 GB
Storage TypeUFS 3.1UFS 4.1
Memory CardNoNo

Software

OS Android 15 Android 15
UI Skin Realme UI 6.0 HyperOS 2.0

Battery

Volume 7000 mAh 5500 mAh
Max Charging Power 80 W 67 W
Battery Type Li-ion Li-Po
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes Yes (50% in 22 min)
Full Charge Time n/a 0:50 h

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Digital Optical, 2x
Flash Dual LED Dual LED
Stabilization Optical 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 n/a 240 fps (1080p)
Wide-angle lens 112 ° 120 °
Lenses count Standard: 50 MP
Ultra-wide: 8 MP		 Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 12 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP50 MP
Aperturef/1.8f/1.7
Focal length24 mm23 mm
SensorSony IMX896Omnivision OV50 Light Hunter 800
Sensor size1/21/1.55
Pixel sizen/a1 μm
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalOptical
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
Sensor sizen/a1/3.06
Pixel sizen/a1.12 μm
StabilizationDigitalDigital

Front camera

Matrix 50 MP 32 MP
Photo resolution 8192x6144 pixels n/a
Aperture n/a f/2.2
Focal length n/a 21 mm
Sensor CMOS CMOS
Sensor size n/a 1/3.44
Pixel size n/a 0.64 μm
Autofocus n/a No
Stabilization Digital Digital
Video resolution 2160p (4K) 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 MiMO
- 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 5.4 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 No No
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* No Yes
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotNoNo
2G BandsGSM 850/900/1800MHzGSM 2/3/5/8
3G BandsWCDMA 1/5/8WCDMA B1/2/4/5/8/6/19
LTE Bands*LTE (B1/B3/B5/B8/B40/B41)LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B26/B28/B32/B66/B71)
5G SupportYesYes

Sound

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

Other

Class Mid-range Mid-range
Announced July, 2025 yr September, 2025 yr
Release Date July, 2025 yr September, 2025 yr
MSRP ($) 280 650
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes, 80 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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