Tecno Spark 40C vs Xiaomi Poco M7 4G

Compared 2 smartphones : Tecno Spark 40C Manufactured in August, 2025, with display 6.67 with chipsetMediaTek Helio G81, vs Xiaomi Poco M7 4G, Manufactured in August, 2025with chipsetQualcomm Snapdragon 685. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Tecno Spark 40C
  • Lighter design: 190g vs 224g
  • Newer Bluetooth version: 5.3 vs 5
  • Supports Dolby Atmos
Reasons to choose Xiaomi Poco M7 4G
  • Larger display: 6.9in
  • Higher pixel density: 374ppi
  • Higher refresh rate: 144Hz
  • Higher battery capacity: 7000mAh vs 6000mAh

Versions

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

Review

Key Specs Tecno Spark 40C and Xiaomi Poco M7 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.
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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

Display

Display quality comparison
Type IPS LCD IPS LCD
Size 6.67 in 6.9 in
Resolution 720x1600 pixels 1080x2340 pixels
Aspect ratio 20:9 19.5:9
Pixel density 263 ppi 374 ppi
Refresh rate 120 Hz 144 Hz
Adaptive refresh rate Yes (60-120 Hz) Yes
Max brightness n/a 850 nits
HDR support No No
Screen-to-body ratio 84.2 % 84.8 %
Features n/a DCI-P3

Design & Build

Design and ergonomics comparison
Height 165.6 mm (6.52 in) 171.1 mm (6.74 in)
Width 77 mm (3.03 in) 80.5 mm (3.17 in)
Thickness 8.4 mm (0.33 in) 8.6 mm (0.34 in)
Weight 190 g (6.7 oz) 224 g (7.9 oz)
Water resistance IP64 IP64
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - White
- Black
- Gray
- Blue
- Black
- Silver
- Blue
Fingerprint sensor Yes, In-Button Yes, In-Button
Screen-to-body ratio
Tecno Spark 40C
84.2 %
Xiaomi Poco M7 4G
84.8 %

Performance

Testing Tecno Spark 40C and Xiaomi Poco M7 4G In benchmarks
Processor
Chipset MediaTek Helio G81 Qualcomm Snapdragon 685
Max Frequency 2000 MHz 2800 MHz
CPU Cores 8 (2 + 6) 8 (4 + 4)
Architecture - 6/1.7 (Cortex-A55)
- 2/2 (Cortex-A75)
- 4/1.9 (Cortex-A53)
- 4/2.8 (Cortex-A73)
Process TSMC TSMC
Transistor Size 12 nm 6 nm
Neural Processor Yes Hexagon 686
Graphics Mali-G52 MP2 Adreno 610
GPU Cores 48 128
GPU Frequency 820 MHz 1260 MHz
FLOPS 78.7 GFLOPS 322.6 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Tecno Spark 40C
444
Xiaomi Poco M7 4G
455
Geekbench 6 (Multi-Core)
Tecno Spark 40C
1372
Xiaomi Poco M7 4G
1519
Geekbench 6 (Single-Core)444455
Geekbench 6 (Multi-Core)13721519
AnTuTu 10
AnTuTu 10
Tecno Spark 40C
245537
Xiaomi Poco M7 4G
358522
CPU76856115622
GPU3538642244
Memory64168104837
UX6912795819
NanoReview Score245537358522

Memory

RAM
RAM Size 4 GB 6 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 1800 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity128 GB128 GB
Storage TypeeMMC 5.1UFS 2.2
Memory CardMicroSDMicroSD

Software

OS Android 15 Android 15
UI Skin HIOS 15.1 HyperOS 2.0

Battery

Volume 6000 mAh 7000 mAh
Max Charging Power 18 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

Main camera

Matrix 13 MP 50 MP
Zoom Digital Digital
Flash Dual LED LED
Stabilization Digital Digital
8K Recording No No
4K Recording No No
1080p Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
Lenses count Standard: 13 MP
Depth
Standard: 50 MP
Depth
Features - Bokeh effect
- Pro mode
Bokeh effect
Main lens
Matrix13 MP50 MP
Aperturef/1.8f/1.8
Focal length27 mmn/a
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital

Front camera

Matrix 8 MP 8 MP
Aperture n/a f/2.0
Sensor CMOS CMOS
Autofocus No No
Stabilization No Digital
Video resolution 1080p (Full HD) at 30 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
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
- Galileo
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
5G SupportNoNo

Sound

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

Other

Class Budget Budget
Announced July, 2025 yr August, 2025 yr
Release Date August, 2025 yr August, 2025 yr
MSRP ($) 100 110
Sensors - Proximity Sensor
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes, 45 W Yes, 33 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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