Tecno Spark 40C vs Spark 20C

51 out of 100
Tecno Spark 40C
VS
42 out of 100
Tecno Spark 20C

Here we compared two budget smartphones: the 6.67-inch Tecno Spark 40C (with MediaTek Helio G81) that was released on July 19, 2025, against the Tecno Spark 20C, which is powered by MediaTek Helio G36 and came out 1 year and 8 months before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

Select the amount of RAM to evaluate performance and value for money more precisely
Memory

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Tecno Spark 40C
  • Water-resistant body (IP64 classification)
  • 86% better performance in AnTuTu Benchmark (363K versus 195K)
  • Comes with 1000 mAh larger battery capacity: 6000 vs 5000 mAh
  • Higher display refresh rate โ€“ 120 Hz
  • Newer Bluetooth version (v5.3)
  • More recent OS version: Android 15 versus 13
  • The phone is 1 year and 8 months newer
  • 2.3x faster in single-core GeekBench 6 test: 444 and 189 points
  • Supports Dolby Atmos sound technology
  • Has a built-in infrared port

Review

Evaluation of Tecno Spark 40C and Spark 20C crucial features
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
Connectivity
Networks, ports, data transmission
Scores with a red asterisk (*) are approximate and may change in the future as we gather more data.
NanoReview Score
Final comparison evaluation
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๐Ÿ“ฑ Primary usage:

Value for money (Beta)

To get an accurate value-for-money index, update the default prices with actual prices from your countryโ€™s retailers (for the selected memory configs) and press the "Calculate" button.
Currency
4 / 128 GB
VS
4 / 128 GB
104.9
(Excellent)
Value Index
57.6
(Average)

Tests and specifications

Comparison table of technical specifications and tests
Phone:
vs

Display

Type IPS LCD IPS LCD
Size 6.67 inches 6.6 inches
Resolution 720 x 1600 pixels 720 x 1612 pixels
Aspect ratio 20:9 20:9
PPI 263 ppi 267 ppi
Refresh rate 120 Hz 90 Hz
Adaptive refresh rate Yes (60-120 Hz) No
Max rated brightness - 450 nits
HDR support No No
Screen protection Tempered glass Tempered glass
Screen-to-body ratio 84.2% 85%

Design and build

Height 165.6 mm (6.52 inches) 163.69 mm (6.44 inches)
Width 77 mm (3.03 inches) 75.6 mm (2.98 inches)
Thickness 8.4 mm (0.33 inches) 8.55 mm (0.34 inches)
Weight 190 g (6.7 oz) 185 g (6.53 oz)
Waterproof IP64 No
Rear material Plastic Plastic
Frame material Plastic Plastic
Colors White, Black, Gray, Blue White, Black, Gold, Yellow
Fingerprint scanner Yes, in-button Yes, in-button
Screen-to-body ratio
84.2%
Spark 20C +1%
85%

Performance

Chipset specifications of Tecno Spark 40C and Tecno Spark 20C
SoC
Chipset MediaTek Helio G81 MediaTek Helio G36
Max clock 2000 MHz 2200 MHz
CPU cores 8 (2 + 6) 8 (4 + 4)
Architecture - 6 cores at 1.7 GHz: Cortex-A55
- 2 cores at 2 GHz: Cortex-A75
- 4 cores at 1.8 GHz: Cortex-A53
- 4 cores at 2.2 GHz: Cortex-A53
Manufacturing TSMC TSMC
Lithography process 12 nanometers 12 nanometers
Neural processor (NPU) Yes No
GPU
Graphics Mali-G52 MP2 PowerVR GE8320
GPU shading units 48 32
GPU clock 820 MHz 680 MHz
FLOPS ~78.7 GFLOPS ~43.5 GFLOPS

Benchmarks

Benchmark comparison of Tecno Spark 40C and Tecno Spark 20C
Geekbench 6 (Single-Core)
Spark 40C +135%
444
189
Geekbench 6 (Multi-Core)
Spark 40C +76%
1372
781
Single-core score 444 189
Multi-core score 1372 781
Sources: Geekbench [3], [4]
AnTuTu Benchmark 11
Spark 40C +86%
363458
195539
CPU 140880 80511
GPU 23707 12176
Memory 88844 57053
UX 110027 45777
Total score 363458 195539
Samples [2 tests] Less than 3
PCMark 3.0
8110
n/a
Web score 8115 -
Video editing 5775 -
Photo editing 16330 -
Data manipulation 5146 -
Writing score 8908 -

Recent User Tests

The latest benchmark tests that have been submitted by users
Tecno Spark 40C
DateBenchmarkResult
๐Ÿ“˜ 2026-07-05 (Zoro)Battery lifeSOT 9:00 / 9:00
๐Ÿ“˜ 2026-04-11 -> AlehakindAnTuTu 11363458
๐Ÿ“˜ 2025-10-10 (K)AnTuTu 11356117
Tecno Spark 20C
DateBenchmarkResult
๐Ÿ“˜ 2025-10-13 (Mastermes)AnTuTu 11195539

Memory

RAM
RAM size 4 GB 4 GB
Memory type LPDDR4X LPDDR4X
Memory clock 1800 MHz 1600 MHz
Channels 2 2
Storage
Storage size 128 GB 128 GB
Storage type eMMC 5.1 eMMC 5.1
Memory card MicroSD MicroSD
Memory card max size Up to 1024 GB Up to 512 GB

Software

Operating system Android 15 Android 13
ROM HIOS 15.1 HiOS 12.6

Battery

Capacity 6000 mAh 5000 mAh
Max charge power 18 W 18 W
Battery type Li-Po Li-Po
Replaceable No No
Wireless charging No No
Reverse charging No No
Fast charging Yes Yes (50% in 40 min)
Full charging time - 1:50 hr

Main camera

Matrix 13 megapixels 50 megapixels
Zoom Digital Digital
Flash Dual LED Dual LED
Stabilization Digital Digital
8K video recording No No
4K video recording No No
1080p video recording Up to 30FPS Up to 30FPS
Lenses 1) Standard: 13 MP
2) Depth: 8 MP
1) Standard: 50 MP
2) Depth: 0.08 MP
Camera features - Bokeh mode
- Pro mode
- Bokeh mode
- Pro mode
Standard lens
Image resolution 13 MP 50 MP
Aperture f/1.8 -
Focal length 27 mm -
Sensor size - 1/2.8" (โ‰ˆ 0.36 inch)
Autofocus Phase autofocus Phase autofocus
Stabilization Digital Digital

Selfie camera

Megapixels 8 megapixels 8 megapixels
Sensor CMOS CMOS
Autofocus No No
Stabilization No No
Video resolution 1080p (Full HD) at 30 FPS 1080p (Full HD) at 30 FPS
Depth sensor (TOF 3D) No No

Connectivity

Wi-Fi standard 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 -
GPS GPS, GLONASS, Galileo GPS, GLONASS, Galileo
NFC* Depends on the region No
Infrared port Yes No
Network
Number of SIM* 2 2
Type of SIM card Nano Nano
Multi SIM mode Standby Standby
eSIM support* No No
Hybrid slot No No
LTE Cat* - 7
5G support No No

Sound

Speakers Stereo Stereo
Headphone audio jack Yes Yes
FM radio Yes Yes
Dolby Atmos Yes No

Other

Category Budget Budget
Announced July 2025 November 2023
Release date August 2025 December 2023
Launch price (MSRP) $100 $130
Successor - - Tecno Spark 40C
Sensors - Proximity sensor
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
Bundled charger Yes, 45 W Yes, 18 W
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

After analyzing all the data, we think that the Tecno Spark 40C is definitely a better buy.

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