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

Tecno Spark 40 Pro vs Realme 15T

64 out 100
Tecno Spark 40 Pro
VS
66 out 100
Realme 15T
Tecno Spark 40 Pro
Realme 15T

Compared 2 smartphones : Tecno Spark 40 Pro Manufactured in July, 2025, with display 6.78 with chipsetMediaTek Helio G100 Ultimate, vs Realme 15T, Manufactured in September, 2025with chipsetMediaTek Dimensity 6400 Max. 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 Pro
  • Larger display: 6.78in
  • Higher pixel density: 440ppi
  • Higher refresh rate: 144Hz
  • Lighter design: 162g vs 181g
  • Supports Dolby Atmos
Reasons to choose Realme 15T
  • Higher battery capacity: 7000mAh vs 5200mAh

Versions

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

Review

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

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.78 in 6.57 in
Resolution 1224x2720 pixels 1080x2372 pixels
Aspect ratio 20:9 20:9
Pixel density 440 ppi 401 ppi
Refresh rate 144 Hz 120 Hz
Adaptive refresh rate Yes (60-120 Hz) Yes (60-120 Hz)
Max brightness 1600 nits 4000 nits
HDR support Yes, HDR10 No
Touch Sampling Rate n/a 240 Hz
Screen-to-body ratio 89.4 % 87.6 %
Features DCI-P3 - DCI-P3
- Always-On Display
- DC dimming

Design & Build

Design and ergonomics comparison
Height 163.67 mm (6.44 in) 158.36 mm (6.23 in)
Width 75.87 mm (2.99 in) 75.19 mm (2.96 in)
Thickness 6.69 mm (0.26 in) 7.79 mm (0.31 in)
Weight 162 g (5.71 oz) 181 g (6.38 oz)
Water resistance IP64 IP69
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - Black
- Gray
- Green		 - Silver
- Gray
- Blue
Fingerprint sensor Yes, In-Display Yes, In-Display
Screen-to-body ratio
Tecno Spark 40 Pro
89.4 %
Realme 15T
87.6 %

Performance

Testing Tecno Spark 40 Pro and Realme 15T In benchmarks
Processor
Chipset MediaTek Helio G100 Ultimate MediaTek Dimensity 6400 Max
Max Frequency 2200 MHz 2500 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/2 (Cortex-A55)
- 2/2.2 (Cortex-A76)		 - 6/2 (Cortex-A55)
- 2/2.5 (Cortex-A76)
Process TSMC TSMC
Transistor Size 6 nm 6 nm
Neural Processor Yes Yes
Graphics Mali-G57 MP2 Mali-G57 MP2
GPU Cores 64 64
GPU Frequency 1000 MHz 1072 MHz
FLOPS 128 GFLOPS 137.2 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Tecno Spark 40 Pro
713
Realme 15T
808
Geekbench 6 (Multi-Core)
Tecno Spark 40 Pro
1953
Realme 15T
2046
Geekbench 6 (Single-Core)713808
Geekbench 6 (Multi-Core)19532046
Geekbench Compute (GPU)n/a1424
Sources: Geekbench v6 [Realme 15T]
AnTuTu 10
AnTuTu 10
Tecno Spark 40 Pro
424965
Realme 15T
605158
CPU129573223513
GPU6633648052
Memory116200167188
UX112856166405
NanoReview Score424965605158

Memory

RAM
RAM Size 8 GB 8 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 2133 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity128 GB128 GB
Storage TypeUFS 2.2UFS 2.2
Memory CardMicroSDMicroSD

Software

OS Android 15 Android 15
UI Skin HIOS 15.1 Realme UI 6.0

Battery

Volume 5200 mAh 7000 mAh
Max Charging Power 45 W 60 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging No No
Reverse Charging No Yes
Fast Charging Yes Yes
Full Charge Time 0:55 h n/a

Main camera

Matrix 50 MP 50 MP
Photo resolution n/a 8192x6144 pixels
Zoom Digital Digital
Flash Dual LED LED
Stabilization Digital Optical
8K Recording No No
4K Recording No No
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 120 fps (720p) 120 fps (720p)
Lenses count Standard: 50 MP
Depth		 Standard: 50 MP
Depth: 2 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP50 MP
Aperturef/1.6f/1.8
Focal lengthn/a27 mm
Sensorn/aOmnivision OV50D40 Light Hunter 400
Sensor size1/21/2.88
Pixel size0.64 μm0.61 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalOptical

Front camera

Matrix 13 MP 50 MP
Photo resolution n/a 8192x6144 pixels
Aperture f/2.2 f/1.8
Focal length n/a 27 mm
Sensor n/a Omnivision OV50D40 Light Hunter 400
Sensor size 1/3.1 1/2.88
Pixel size 1.12 μm 0.61 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 60 fps 1080p (Full HD) at 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) 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 MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.3 5.3
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 Varies by region
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G Bandsn/aGSM 850/900/1800MHz
3G Bandsn/aWCDMA 1/5/8
LTE Bands*n/aLTE (B1/B3/B5/B8/B40/B41)
5G SupportNoYes

Sound

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

Other

Class Mid-range Mid-range
Announced July, 2025 yr September, 2025 yr
Release Date July, 2025 yr September, 2025 yr
MSRP ($) 180 230
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 Yes, 60 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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Survey

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Total Votes: 2

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