Tecno Spark 40 Pro vs Xiaomi Redmi Note 15 4G

Compared 2 smartphones : Tecno Spark 40 Pro Manufactured in July, 2025, with display 6.78 with chipsetMediaTek Helio G100 Ultimate, vs Xiaomi Redmi Note 15 4G, Manufactured in December, 2025with chipsetMediaTek Helio G100 Ultra. Below are specs, tests, pros and cons for each device

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 183.7g
  • Supports Dolby Atmos
  • Infrared port
  • Includes charger
Reasons to choose Xiaomi Redmi Note 15 4G
  • Higher battery capacity: 6000mAh vs 5200mAh

Versions

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

Review

Key Specs Tecno Spark 40 Pro and Xiaomi Redmi Note 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 AMOLED AMOLED
Size 6.78 in 6.77 in
Resolution 1224x2720 pixels 1080x2340 pixels
Aspect ratio 20:9 n/a
Pixel density 440 ppi 388 ppi
Refresh rate 144 Hz 120 Hz
Adaptive refresh rate Yes (60-120 Hz) Yes (60-120 Hz)
Max brightness 1600 nits n/a
HDR support Yes, HDR10 No
Screen-to-body ratio 89.4 % 89.7 %
Features DCI-P3 DCI-P3

Design & Build

Design and ergonomics comparison
Height 163.67 mm (6.44 in) 164 mm (6.46 in)
Width 75.87 mm (2.99 in) 75.4 mm (2.97 in)
Thickness 6.69 mm (0.26 in) 7.4 mm (0.29 in)
Weight 162 g (5.71 oz) 183.7 g (6.48 oz)
Water resistance IP64 IP64
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - Black
- Gray
- Green
- Black
- Blue
- Green
- Purple
Fingerprint sensor Yes, In-Display Yes, In-Display
Screen-to-body ratio
Tecno Spark 40 Pro
89.4 %
Xiaomi Redmi Note 15 4G
89.7 %

Performance

Testing Tecno Spark 40 Pro and Xiaomi Redmi Note 15 4G In benchmarks
Processor
Chipset MediaTek Helio G100 Ultimate MediaTek Helio G100 Ultra
Max Frequency 2200 MHz 2200 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/2 (Cortex-A55)
- 2/2.2 (Cortex-A76)
- 6/2 (Cortex-A55)
- 2/2.2 (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 1000 MHz
FLOPS 128 GFLOPS 128 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Tecno Spark 40 Pro
713
Xiaomi Redmi Note 15 4G
730
Geekbench 6 (Multi-Core)
Tecno Spark 40 Pro
1953
Xiaomi Redmi Note 15 4G
2025
Geekbench 6 (Single-Core)713730
Geekbench 6 (Multi-Core)19532025
AnTuTu 10
AnTuTu 10
Tecno Spark 40 Pro
424965
Xiaomi Redmi Note 15 4G
437184
CPU129573132724
GPU6633672238
Memory116200109980
UX112856122242
NanoReview Score424965437184

Memory

RAM
RAM Size 8 GB 6 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 CardMicroSDNo

Software

OS Android 15 Android 15
UI Skin HIOS 15.1 HyperOS 2.0

Battery

Volume 5200 mAh 6000 mAh
Max Charging Power 45 W 33 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 108 MP
Zoom Digital Digital
Flash Dual LED LED
Stabilization Digital Digital
8K Recording No No
4K Recording No No
1080p Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
Slow Motion 120 fps (720p) n/a
Lenses count Standard: 50 MP
Depth
Standard: 108 MP
Depth: 2 MP
Features - Bokeh effect
- Pro mode
- Bokeh effect
- Pro mode
Main lens
Matrix50 MP108 MP
Aperturef/1.6f/1.7
Focal lengthn/a24 mm
Sensor size1/21/1.67 (0.6)
Pixel size0.64 μm0.64 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital

Front camera

Matrix 13 MP 20 MP
Aperture f/2.2 f/2.2
Sensor n/a Omnivision OV02F
Sensor size 1/3.1 1/5 (0.2)
Pixel size 1.12 μm 1.75 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 60 fps 1080p (Full HD) at 30 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 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 No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
5G SupportNoNo

Sound

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

Other

Class Mid-range Mid-range
Announced July, 2025 yr December, 2025 yr
Release Date July, 2025 yr December, 2025 yr
MSRP ($) 180 n/a
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 n/a
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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