Samsung Galaxy M31 vs Tecno Spark 40

Compared 2 smartphones : Samsung Galaxy M31 Manufactured in March, 2020, with display 6.4 with chipsetSamsung Exynos 7 Octa 9611, vs Tecno Spark 40, Manufactured in July, 2025 with chipsetMediaTek Helio G81. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Samsung Galaxy M31
  • Higher pixel density: 403ppi
  • Higher battery capacity: 6000mAh vs 5200mAh
Reasons to choose Tecno Spark 40
  • Larger display: 6.67in
  • Higher refresh rate: 120Hz
  • Lighter design: 188g vs 191g
  • Newer Bluetooth version: 5.3 vs 5
  • Infrared port
  • Includes charger

Versions

Available versions and configurations
Memory Options - 6/64 GB
- 6/128 GB
- 8/128 GB
- 4/128 GB
- 4/256 GB
- 6/128 GB
- 8/256 GB

Review

Key Specs Samsung Galaxy M31 and Tecno Spark 40
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 Super AMOLED IPS LCD
Size 6.4 in 6.67 in
Resolution 1080x2340 pixels 720x1600 pixels
Aspect ratio 19.5:9 20:9
Pixel density 403 ppi 263 ppi
Refresh rate 60 Hz 120 Hz
Adaptive refresh rate No Yes (60-120 Hz)
Max brightness 600 nits n/a
HDR support Yes HDR10 No
Screen-to-body ratio 84.1 % 84.2 %
Features Always-On Display n/a
Display test
Peak brightness (auto)
Samsung Galaxy M31
614 nits
Tecno Spark 40
n/a
sRGB gamut142 %n/a
PWM (Flicker)208 Hzn/a
Response time8.5 msn/a
Contrast∞ Infiniten/a

Design & Build

Design and ergonomics comparison
Height 159.2 mm (6.27 in) 165.6 mm (6.52 in)
Width 75.1 mm (2.96 in) 77 mm (3.03 in)
Thickness 8.9 mm (0.35 in) 7.7 mm (0.3 in)
Weight 191 g (6.74 oz) 188 g (6.63 oz)
Water resistance No IP64
Back panel Plastic n/a
Frame Plastic Plastic
Colors - Black
- Blue
- Red
- White
- Black
- Gray
- Blue
Fingerprint sensor Yes rear Yes In-Button
Screen-to-body ratio
Samsung Galaxy M31
84.1 %
Tecno Spark 40
84.2 %

Performance

Testing Samsung Galaxy M31 and Tecno Spark 40 In benchmarks
Processor
Chipset Samsung Exynos 7 Octa 9611 MediaTek Helio G81
Max Frequency 2300 MHz 2000 MHz
CPU Cores 8 (4 + 4) 8 (2 + 6)
Architecture - 4/1.7 (Cortex-A53)
- 4/2.3 (Cortex-A73)
- 6/1.8 (Cortex-A55)
- 2/2 (Cortex-A75)
Process Samsung TSMC
Transistor Size 10 nm 12 nm
Neural Processor Yes Yes
Graphics Mali-G72 MP3 Mali-G52 MP2
GPU Cores 54 48
GPU Frequency 850 MHz 1000 MHz
FLOPS 113.8 GFLOPS 96 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy M31
505
Tecno Spark 40
501
Geekbench 6 (Multi-Core)
Samsung Galaxy M31
1547
Tecno Spark 40
1410
Geekbench 6 (Single-Core)505501
Geekbench 6 (Multi-Core)15471410
AnTuTu 10
AnTuTu 10
Samsung Galaxy M31
257150
Tecno Spark 40
255412
CPU7364084479
GPU4535035504
Memory6251667616
UX7564467813
NanoReview Score257150255412
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy M31
820
Tecno Spark 40
n/a
Max Surface Temp.45.2 °Cn/a
Stability74 %n/a
Graphics Test4 fpsn/a
Graphics Score820n/a

Memory

RAM
RAM Size 6 GB 4 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 1866 MHz 1800 MHz
Channels 2 2
Storage
Storage Capacity128 GB128 GB
Storage TypeUFS 2.1eMMC 5.1
Memory CardMicroSDMicroSD

Software

OS Android 10 (Upgradeable to Android 12) Android 15
OS Size 15 GB n/a
UI Skin One UI 4.1 HIOS 15

Battery

Volume 6000 mAh 5200 mAh
Max Charging Power 15 W 45 W
Battery Type Li-ion Li-Po
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes Samsung Adaptive Fast Charge (45% in 60 min) Yes (50% in 21 min)
Full Charge Time 2:25 h 0:56 h
Battery Life Test
Battery Life
Samsung Galaxy M31
24:27
Tecno Spark 40
n/a
Web Browsing10:13 hn/a
Video Playback14:16 hn/a
Games05:44 hn/a
Standby Mode117 hn/a

Main camera

Matrix 64 MP 50 MP
Photo resolution 9248x6920 pixels n/a
Zoom Digital Digital
Flash LED Dual LED
Stabilization Digital Digital
8K Recording No No
4K Recording Yes (Up to 30 fps) No
1080p Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
Slow Motion 240 fps (720p) n/a
Wide-angle lens 123 ° n/a
Lenses count Standard: 64 MP
Ultra-wide: 8 MP
Macro: 5 MP
Depth: 5 MP
Standard: 50 MP
Depth
Features - Bokeh effect
- Pro mode
- Bokeh effect
- Pro mode
Main lens
Matrix64 MP50 MP
Aperturef/1.8n/a
Focal length26 mmn/a
SensorISOCELL Bright GW1n/a
Sensor size1/1.72n/a
Pixel size0.8 μmn/a
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital
Ultra-wide lens
Matrix8 MPn/a
Aperturef/2.2n/a
Focal length12 mmn/a
Sensor size1/4.0n/a
Pixel size1.12 μmn/a
StabilizationDigitaln/a

Front camera

Matrix 32 MP 8 MP
Photo resolution 6528x4896 pixels n/a
Aperture f/2.0 n/a
Focal length 26 mm n/a
Sensor Sony IMX616 CMOS
Sensor size 1/2.8 n/a
Pixel size 0.8 μm n/a
Autofocus No No
Stabilization Digital No
Video resolution 2160p (4K) 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 5.3
Bluetooth features PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP 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 n/a No
GPS - GPS
- GLONASS
- Beidou
- Galileo
- GPS
- GLONASS
- Galileo
NFC* Varies by region Varies by region
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2n/a
3G BandsHSDPA 850 / 900 / 1900 / 2100n/a
LTE Bands*LTE (B1/B3/B5/B8/B20/B40/B41)n/a
LTE category12n/a
5G SupportNoNo

Sound

Speakers Mono n/a
3.5 mm Jack Yes Yes
FM Radio Yes Yes
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Samsung Galaxy M31
81.7 dB
Tecno Spark 40
n/a

Other

Class Mid-range Budget
Announced February, 2020 yr July, 2025 yr
Release Date March, 2020 yr July, 2025 yr
Launch Price ($) 220 n/a
MSRP ($) n/a 130
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Proximity Sensor
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included n/a Yes 45 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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