Home Phone comparison Tecno Spark 40 and Xiaomi 15T Pro - Which is better?

Tecno Spark 40 vs Xiaomi 15T Pro

54 out 100
Tecno Spark 40
VS
90 out 100
Xiaomi 15T Pro
Tecno Spark 40
Xiaomi 15T Pro

Compared 2 smartphones : Tecno Spark 40 Manufactured in July, 2025, with display 6.67 with chipsetMediaTek Helio G81, vs Xiaomi 15T Pro, Manufactured in September, 2025 with chipsetMediaTek Dimensity 9400 Plus. 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 Tecno Spark 40
  • Lighter design: 188g vs 210g
  • Includes charger
Reasons to choose Xiaomi 15T Pro
  • Larger display: 6.83in
  • Higher pixel density: 447ppi
  • Higher refresh rate: 144Hz
  • Higher battery capacity: 5500mAh vs 5200mAh
  • Newer Bluetooth version: 6.0 vs 5.3
  • Built-in eSIM

Versions

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

Review

Key Specs Tecno Spark 40 and Xiaomi 15T Pro
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:
Tecno Spark 40
vs
Xiaomi 15T Pro

Display

Display quality comparison
Type IPS LCD AMOLED
Size 6.67 in 6.83 in
Resolution 720x1600 pixels 1280x2772 pixels
Aspect ratio 20:9 19.5:9
Pixel density 263 ppi 447 ppi
Refresh rate 120 Hz 144 Hz
Adaptive refresh rate Yes (60-120 Hz) Yes (1-120 Hz)
HDR support No Yes, Dolby Vision
Touch Sampling Rate n/a 480 Hz
Screen-to-body ratio 84.2 % 90.3 %
Features n/a - DCI-P3
- Always-On Display
- DC dimming

Design & Build

Design and ergonomics comparison
Height 165.6 mm (6.52 in) 162.7 mm (6.41 in)
Width 77 mm (3.03 in) 77.9 mm (3.07 in)
Thickness 7.7 mm (0.3 in) 7.96 mm (0.31 in)
Weight 188 g (6.63 oz) 210 g (7.41 oz)
Water resistance IP64 IP68
Cooling system n/a Vapor chamber
Frame Plastic Metal
Colors - White
- Black
- Gray
- Blue		 - Black
- Gold
- Gray
Fingerprint sensor Yes In-Button Yes, In-Display
Screen-to-body ratio
Tecno Spark 40
84.2 %
Xiaomi 15T Pro
90.3 %

Performance

Testing Tecno Spark 40 and Xiaomi 15T Pro In benchmarks
Processor
Chipset MediaTek Helio G81 MediaTek Dimensity 9400 Plus
Max Frequency 2000 MHz 3630 MHz
CPU Cores 8 (2 + 6) 8 (1 + 3 + 4)
Architecture - 6/1.8 (Cortex-A55)
- 2/2 (Cortex-A75)		 - 4/2.4 (Cortex-A720)
- 3/3.3 (Cortex-X4)
- 1/3.73 (Cortex-X925)
Process TSMC TSMC
Transistor Size 12 nm 3 nm
Neural Processor Yes MediaTek NPU 890
Graphics Mali-G52 MP2 Mali-G925 Immortalis MP12
GPU Cores 48 1536
GPU Frequency 1000 MHz 1612 MHz
FLOPS 96 GFLOPS 4952.1 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Tecno Spark 40
501
Xiaomi 15T Pro
2731
Geekbench 6 (Multi-Core)
Tecno Spark 40
1410
Xiaomi 15T Pro
8135
Geekbench 6 (Single-Core)5012731
Geekbench 6 (Multi-Core)14108135
Geekbench Compute (GPU)n/a20573
Sources: Geekbench v6 [Xiaomi 15T Pro]
AnTuTu 10
AnTuTu 10
Tecno Spark 40
255412
Xiaomi 15T Pro
2718159
CPU84479601093
GPU355041227523
Memory67616415530
UX67813474013
NanoReview Score2554122718159

Memory

RAM
RAM Size 4 GB 12 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency 1800 MHz 5333 MHz
Channels 2 4
Storage
Storage Capacity128 GB256 GB
Storage TypeeMMC 5.1UFS 4.1
Memory CardMicroSDNo

Software

OS Android 15 Android 15
UI Skin HIOS 15 HyperOS 2.0

Battery

Volume 5200 mAh 5500 mAh
Max Charging Power 45 W 90 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging No Yes (50 W)
Reverse Charging No n/a
Fast Charging Yes (50% in 21 min) Yes (50% in 13 min)
Full Charge Time 0:56 h 0:36 h

Main camera

Matrix 50 MP 50 MP
Photo resolution n/a 8192x6144 pixels
Zoom Digital Optical, 5x
Flash Dual 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 120 fps)
Slow Motion n/a 960 fps (1080p)
Wide-angle lens n/a 120 °
Lenses count Standard: 50 MP
Depth		 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
Aperturen/af/1.6
Focal lengthn/a23 mm
Sensorn/aOmnivision OVX9100
Sensor sizen/a1/1.31
Pixel sizen/a1.2 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalOptical
Telephoto
Matrixn/a50 MP
Aperturen/af/3.0
Focal lengthn/a115 mm
Sensorn/aSamsung S5KJN5
Sensor sizen/a1/2.76
Pixel sizen/a0.64 μm
Stabilizationn/aOptical
Ultra-wide lens
Matrixn/a12 MP
Aperturen/af/2.2
Focal lengthn/a15 mm
Sensor sizen/a1/3.06
Stabilizationn/aDigital

Front camera

Matrix 8 MP 32 MP
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 No No
Stabilization No 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 5.3 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
- Galileo		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Varies by region Yes
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotNoNo
2G Bandsn/aGSM 2/3/5/8
3G Bandsn/aWCDMA B1/2/4/5/6/8/19
LTE Bands*n/aLTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B32/B66/B71)
5G SupportNoYes

Sound

3.5 mm Jack Yes No
FM Radio Yes No
Dolby Atmos Yes Yes

Other

Class Budget Flagship
Announced July, 2025 yr September, 2025 yr
Release Date July, 2025 yr September, 2025 yr
MSRP ($) 130 899
Sensors - Proximity Sensor
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 45 W No
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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

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