Tecno Spark 20 vs Tecno Spark 40

Compared 2 smartphones : Tecno Spark 20 Manufactured in January, 2023, with display 6.6 with chipsetMediaTek Helio G85, vs Tecno Spark 40, Manufactured in July, 2025with chipsetMediaTek Helio G81. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Tecno Spark 20
  • Higher pixel density: 267ppi
Reasons to choose Tecno Spark 40
  • Larger display: 6.67in
  • Higher refresh rate: 120Hz
  • Lighter design: 188g vs 190g
  • Higher battery capacity: 5200mAh vs 5000mAh
  • Newer Bluetooth version: 5.3 vs 5.2
  • Supports Dolby Atmos
  • Infrared port

Versions

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

Review

Key Specs Tecno Spark 20 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
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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:
vs

Display

Display quality comparison
Type IPS LCD IPS LCD
Size 6.6 in 6.67 in
Resolution 720x1612 pixels 720x1600 pixels
Aspect ratio 20:9 20:9
Pixel density 267 ppi 263 ppi
Refresh rate 90 Hz 120 Hz
Adaptive refresh rate No Yes (60-120 Hz)
Max brightness 500 nits n/a
HDR support No No
Screen-to-body ratio 85 % 84.2 %

Design & Build

Design and ergonomics comparison
Height 163.69 mm (6.44 in) 165.6 mm (6.52 in)
Width 75.6 mm (2.98 in) 77 mm (3.03 in)
Thickness 8.45 mm (0.33 in) 7.7 mm (0.3 in)
Weight 190 g (6.7 oz) 188 g (6.63 oz)
Water resistance IP53 IP64
Back panel Plastic n/a
Frame Plastic Plastic
Colors - White
- Black
- Gold
- Blue
- White
- Black
- Gray
- Blue
Fingerprint sensor Yes In-Button Yes In-Button
Screen-to-body ratio
Tecno Spark 20
85 %
Tecno Spark 40
84.2 %

Performance

Testing Tecno Spark 20 and Tecno Spark 40 In benchmarks
Processor
Chipset MediaTek Helio G85 MediaTek Helio G81
Max Frequency 2000 MHz 2000 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/1.8 (Cortex-A55)
- 2/2 (Cortex-A75)
- 6/1.8 (Cortex-A55)
- 2/2 (Cortex-A75)
Process TSMC TSMC
Transistor Size 12 nm 12 nm
Neural Processor Yes Yes
Graphics Mali-G52 MP2 Mali-G52 MP2
GPU Cores 48 48
GPU Frequency 1000 MHz 1000 MHz
FLOPS 96 GFLOPS 96 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Tecno Spark 20
427
Tecno Spark 40
501
Geekbench 6 (Multi-Core)
Tecno Spark 20
1461
Tecno Spark 40
1410
Geekbench 6 (Single-Core)427501
Geekbench 6 (Multi-Core)14611410
AnTuTu 10
AnTuTu 10
Tecno Spark 20
266900
Tecno Spark 40
255412
CPU8264484479
GPU3900135504
Memory6964167616
UX7561467813
NanoReview Score266900255412

Memory

RAM
RAM Size 8 GB 4 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 1800 MHz 1800 MHz
Channels 2 2
Storage
Storage Capacity256 GB128 GB
Storage TypeeMMC 5.1eMMC 5.1
Memory CardMicroSDMicroSD

Software

OS Android 13 Android 15
UI Skin HiOS 13 HIOS 15

Battery

Volume 5000 mAh 5200 mAh
Max Charging Power 18 W 45 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (37% in 30 min) Yes (50% in 21 min)
Full Charge Time 1:48 h 0:56 h

Main camera

Matrix 50 MP 50 MP
Photo resolution 8190x6144 pixels n/a
Zoom Digital Digital
Flash Dual LED Dual LED
Stabilization Digital Digital
8K Recording No No
4K Recording No No
1080p Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
Slow Motion No n/a
Lenses count Standard: 50 MP
Depth: 0.08 MP
Standard: 50 MP
Depth
Features - Bokeh effect
- Pro mode
- Bokeh effect
- Pro mode
Main lens
Matrix50 MP50 MP
Aperturef/1.6n/a
Pixel size0.64 μmn/a
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital

Front camera

Matrix 32 MP 8 MP
Photo resolution 6464x4864 pixels n/a
Aperture f/2.2 n/a
Sensor CMOS CMOS
Autofocus No No
Stabilization Digital No
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 5.2 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 n/a No
GPS - GPS
- GLONASS
- 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
LTE category7n/a
5G SupportNoNo

Sound

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

Other

Class Budget Budget
Announced January, 2023 yr July, 2025 yr
Release Date January, 2023 yr July, 2025 yr
Launch Price ($) 125 n/a
MSRP ($) n/a 130
Sensors - Proximity Sensor
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Proximity Sensor
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 18 W Yes 45 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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