Home Phone comparison Samsung Galaxy S21 and Tecno Spark 40 Pro - Which is better?

Samsung Galaxy S21 vs Tecno Spark 40 Pro

65 out 100
Samsung Galaxy S21
VS
64 out 100
Tecno Spark 40 Pro
Samsung Galaxy S21
Tecno Spark 40 Pro

Compared 2 smartphones : Samsung Galaxy S21 Manufactured in February, 2021, with display 6.2 with chipsetSamsung Exynos 2100, vs Tecno Spark 40 Pro, Manufactured in July, 2025 with chipsetMediaTek Helio G100 Ultimate. 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 Samsung Galaxy S21
  • Supports newer USB: 3.2 vs 2
  • Built-in eSIM
Reasons to choose Tecno Spark 40 Pro
  • Larger display: 6.78in
  • Higher pixel density: 440ppi
  • Higher refresh rate: 144Hz
  • Lighter design: 162g vs 169g
  • Higher battery capacity: 5200mAh vs 4000mAh
  • Newer Bluetooth version: 5.3 vs 5
  • Infrared port
  • Includes charger

Versions

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

Review

Key Specs Samsung Galaxy S21 and Tecno Spark 40 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:
Samsung Galaxy S21
vs
Tecno Spark 40 Pro

Display

Display quality comparison
Type Dynamic AMOLED AMOLED
Size 6.2 in 6.78 in
Resolution 1080x2400 pixels 1224x2720 pixels
Aspect ratio 20:9 20:9
Pixel density 421 ppi 440 ppi
Refresh rate 120 Hz 144 Hz
Adaptive refresh rate Yes (48-120 Hz) Yes (60-120 Hz)
Max brightness 800 nits 1600 nits
HDR support Yes HDR10+ Yes, HDR10
Screen-to-body ratio 85.9 % 89.4 %
Features - DCI-P3
- Always-On Display		 DCI-P3
Display test
Peak brightness (auto)
Samsung Galaxy S21
854 nits
Tecno Spark 40 Pro
n/a
sRGB gamut99.5 %n/a
PWM (Flicker)240 Hzn/a
Response time5 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Samsung Galaxy S21]

Design & Build

Design and ergonomics comparison
Height 151.7 mm (5.97 in) 163.67 mm (6.44 in)
Width 71.2 mm (2.8 in) 75.87 mm (2.99 in)
Thickness 7.9 mm (0.31 in) 6.69 mm (0.26 in)
Weight 169 g (5.96 oz) 162 g (5.71 oz)
Water resistance IP68 IP64
Back panel Plastic Plastic
Frame Metal Plastic
Colors - White
- Gray
- Pink
- Purple		 - Black
- Gray
- Green
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Samsung Galaxy S21
85.9 %
Tecno Spark 40 Pro
89.4 %

Performance

Testing Samsung Galaxy S21 and Tecno Spark 40 Pro In benchmarks
Processor
Chipset Samsung Exynos 2100 MediaTek Helio G100 Ultimate
Max Frequency 2900 MHz 2200 MHz
CPU Cores 8 (1 + 3 + 4) 8 (2 + 6)
Architecture - 4/2.2 (Cortex-A55)
- 3/2.81 (Cortex-A78)
- 1/2.91 (Cortex-X1)		 - 6/2 (Cortex-A55)
- 2/2.2 (Cortex-A76)
Process Samsung TSMC
Transistor Size 5 nm 6 nm
Neural Processor Yes Yes
Graphics Mali-G78 MP14 Mali-G57 MP2
GPU Cores 896 64
GPU Frequency 854 MHz 1000 MHz
FLOPS 1530.4 GFLOPS 128 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy S21
1331
Tecno Spark 40 Pro
713
Geekbench 6 (Multi-Core)
Samsung Galaxy S21
3593
Tecno Spark 40 Pro
1953
Geekbench 6 (Single-Core)1331713
Geekbench 6 (Multi-Core)35931953
AnTuTu 10
AnTuTu 10
Samsung Galaxy S21
903780
Tecno Spark 40 Pro
424965
CPU253391129573
GPU28167666336
Memory158352116200
UX210361112856
NanoReview Score903780424965
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy S21
5715
Tecno Spark 40 Pro
n/a
Max Surface Temp.38.9 °Cn/a
Stability66 %n/a
Graphics Test34 fpsn/a
Graphics Score5715n/a
Sources: 3DMark [Samsung Galaxy S21]
PCMark 3.0
PCMark 3.0
Samsung Galaxy S21
13123
Tecno Spark 40 Pro
n/a
Writing score16101n/a
Web score11909n/a
Video editing7097n/a
Data manipulation10153n/a
NanoReview Score13123n/a

Memory

RAM
RAM Size 8 GB 8 GB
Memory Type LPDDR5 LPDDR4X
Memory Frequency 2750 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity- 128 GB
- 256 GB		128 GB
Storage TypeUFS 3.1UFS 2.2
Memory CardNoMicroSD

Software

OS Android 11 (Upgradeable to Android 14) Android 15
OS Size 28.1 GB n/a
UI Skin One UI 6.0 HIOS 15.1

Battery

Volume 4000 mAh 5200 mAh
Max Charging Power 25 W 45 W
Battery Type Li-ion Li-Po
Removable No No
Wireless Charging Yes (15 W) No
Reverse Charging Yes (Wireless) No
Fast Charging Yes (55% in 50 min) Yes
Full Charge Time 1:35 h 0:55 h
Battery Life Test
Battery Life
Samsung Galaxy S21
17:54
Tecno Spark 40 Pro
n/a
Web Browsing06:01 hn/a
Video Playback11:06 hn/a
Games04:21 hn/a
Standby Mode95 hn/a

Main camera

Matrix 12 MP 50 MP
Photo resolution 4000x3000 pixels n/a
Zoom Optical, 1.1x Digital
Flash Dual LED Dual LED
Stabilization Optical Digital
8K Recording Up to 24FPS No
4K Recording Yes (Up to 60 fps) No
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 960 fps (720p) 120 fps (720p)
Wide-angle lens 120 ° n/a
Lenses count Standard: 12 MP
Telephoto: 64 MP
Ultra-wide: 12 MP		 Standard: 50 MP
Depth
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
Main lens
Matrix12 MP50 MP
Aperturef/1.8f/1.6
Focal length26 mmn/a
SensorSony IMX555n/a
Sensor size1/1.761/2
Pixel size1.8 μm0.64 μm
AutofocusPhase autofocus (Dual Pixel)Phase autofocus
StabilizationOpticalDigital
Telephoto
Matrix64 MPn/a
Aperturef/2.0n/a
Focal length28 mmn/a
SensorSamsung Bright S5KGW2n/a
Sensor size1/1.72n/a
Pixel size0.8 μmn/a
StabilizationOpticaln/a
Ultra-wide lens
Matrix12 MPn/a
Aperturef/2.2n/a
Focal length13 mmn/a
SensorSony IMX563n/a
Sensor size1/2.55n/a
Pixel size1.4 μmn/a
StabilizationDigitaln/a
Main camera DxOMark results
Photo quality
Samsung Galaxy S21
129
Tecno Spark 40 Pro
n/a
Video quality
Samsung Galaxy S21
137
Tecno Spark 40 Pro
n/a
Overall camera score
Samsung Galaxy S21
133
Tecno Spark 40 Pro
n/a
Bokeh70n/a
Preview72n/a
Zoom126n/a
Sources: DxOMark [Samsung Galaxy S21]

Front camera

Matrix 10 MP 13 MP
Photo resolution 3872x2592 pixels n/a
Aperture f/2.2 f/2.2
Focal length 26 mm n/a
Sensor Sony IMX374 n/a
Sensor size 1/3.24 1/3.1
Pixel size 1.22 μm 1.12 μm
Autofocus Phase autofocus (Dual Pixel) No
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 1080p (Full HD) at 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 6 (802.11 a/b/g/n/ac/ax) Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- 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 LE, A2DP LE
USB type USB Type-C USB Type-C
USB version 3.2 2
USB features - Charging
- USB Storage Mode
- USB-Host mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort n/a No
GPS - GPS
- GLONASS
- Beidou
- Galileo		 - GPS
- GLONASS
- Galileo
NFC* Yes Varies by region
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *YesNo
Hybrid SlotNoNo
2G BandsGSM 850, 900, 1800, 1900 MHzn/a
3G BandsWCDMA Band 1, 2, 4, 5, 8n/a
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B32/B38/B39/B40/B41/B66)n/a
LTE category24n/a
5G SupportYesNo

Sound

Speakers Stereo n/a
3.5 mm Jack No Yes
FM Radio No Yes
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Samsung Galaxy S21
87 dB
Tecno Spark 40 Pro
n/a

Other

Class Flagship Mid-range
Announced January, 2021 yr July, 2025 yr
Release Date February, 2021 yr July, 2025 yr
Launch Price ($) 800 n/a
MSRP ($) n/a 180
Sensors - Hall Sensor
- Barometer
- 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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