Tecno Spark 30C vs Tecno Spark 40C: Comparison

Comparison of features, performance, design, battery, camera and connectivity between the following smartphones: Tecno Spark 30C vs Tecno Spark 40C. The complete information of specifications to decide which to buy.

Compare
Tecno Spark 30CTecno Spark 30CInternational · 4GB · 128GB
Tecno Spark 40CTecno Spark 40CGlobal · 4GB · 128GB
Technical data sheets

Basics
Tecno Spark 30C
Tecno Spark 30C
International · 4GB · 128GB
View datasheet
vs
Tecno Spark 40C
Tecno Spark 40C
Global · 4GB · 128GB
View datasheet
vs

Score
Ki Cost-effective
Score		 -- No price,
no Ki 		-- No price,
no Ki
Design and Screen score 6.5Design & Materials 5.7Design & Materials
Performance and Hardware score 5.7Performance & Hardware 6.1Performance & Hardware
Camera score 6.2Camera 5.6Camera
Connectivity score 6.4 Connectivity 5.8 Connectivity
Battery score 6.1 Battery 7.6 Battery

User reviews
User score
5.8
21 reviews
--
No user reviews

Technical specifications of the Tecno Spark 30C vs Tecno Spark 40C

Specs Tecno Spark 30C price compare Tecno Spark 30C
International · 4GB · 128GB 		Tecno Spark 40C price comparison Tecno Spark 40C
Global · 4GB · 128GB
Inches 6.67" 6.67"
Resolution HD+ HD+
Usable surface 86% useful 84% useful
Aspect Ratio 21:9 20:9
Dimensions 76.0 mm
163.9 mm
8.5 mm 		77.0 mm
165.6 mm
8.4 mm
Weight 187 g 196 g
Micro Helio G81
Octa-Core 		Helio G81
Octa-Core
RAM 4 GB RAM 4 GB RAM
Storage 128 GB 128 GB
AnTuTu 262.145
v10 		305.076
v11
Battery 5000 mAh 6000 mAh
Main Camera 1
48 Mpx · Unknow
IMX582 Exmor RS
2 		1
13 Mpx · ƒ/1.8

2
Selfie Camera SELF 8 Mpx · Unknow SELF 8 Mpx · Unknow
Bands
OS Android 14 Upside-down cake Android 15

Brand
Brand Tecno Tecno
Aliases -- KM4k

Release Date
Release date September 2024,
2 years ago 		July 2025,
1 year ago
State Not available Not available
Market International Global

Design & Materials

Structure

Tecno Spark 30C
Tecno Spark 40C
Tecno Spark 30C
Tecno Spark 40C
Size
76.0 mm • 163.9 mm • 8.5 mm
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 Print 3D Model
77.0 mm • 165.6 mm • 8.4 mm
See more details
 Print 3D Model
Weight 187 g 196 g
Usable surface 86 % 84 %
Materials Plastic, Glass Polycarbonate
Resistance IP54 IP64
Colors
Black
White
Green
Black
White
Blue
Gray

Screen
Diagonal 6.67" 6.67"
Type LCD IPS LCD IPS
Aspect Ratio 21:9 20:9
Resolution HD+
720 x 1600 px 		HD+
720 x 1600 px
Density 263 Pixels per inch 263 Pixels per inch

Others

Others
  • Water Drop Notch
  • TÜV Rheinland Flicker-free Certified
  • Refresh rate 120 Hz
  • Touch sampling rate 240 Hz
  • Brightnes 450 cd/m² (typ)
  • Max brightness HBM - 600 cd/m²
  • 1500:1 contrast ratio
  • TÜV Rheinland Eye Comfort Certification
  • DC dimming
  • 70% NTSC
  • Scratch resistant
  • 2.5D curved glass screen
  • Capacitive
  • Multi-touch
  • Frameless
  • Hole-punch Notch
  • Refresh rate 120 Hz
  • Scratch resistant
  • Capacitive
  • Multi-touch
  • Frameless

User reviews

Is it a drop-resistant and scratch-resistant smartphone?
6.7
--
Do you think it's a nice phone?
7.4
--
Is it comfortable?
7.6
--
Can you see it well in the sunlight?
3.8
--
Number of reviews
21 reviews
--

Performance & Hardware

Processor
Model MediaTek Helio G81 Ultra MediaTek Helio G81 (MT6769)
CPU 2x Cortex-A75 2.0 GHz + 6x Cortex-A55 1.8 GHz 2x Cortex-A75 2.0 GHz + 6x Cortex-A55 1.7 GHz
Type Octa-Core Octa-Core
Manufacturing 12 nm 12 nm
64 Bits Yes Yes

Graphics
GPU Mali-G52 MC2 ARM Mali-G52 MC2

RAM
RAM 4 GB 4 GB
Type LPDDR4X RAM --

Antutu
Score
262.145
Antutu v10
Overall performance better than 60% of devices
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305.076
Antutu v11
Overall performance better than 61% of devices
See more details

Storage
Capacity 128 GB 128 GB
Type eMMC 5.1 Storage --
SD Slot Yes ,
Independent SD slot 		Yes ,
Slot for SD or second SIM card

Security
Fingerprint Yes, on the side Yes, on the side

Sensors
Sensors
  • Fingerprint
  • Proximity
  • Light sensor
  • Accelerometer
  • Fingerprint
  • Proximity
  • Light sensor
  • Accelerometer
  • Gyroscope

Audio

Audio
  • DTS / DTS X
  • Stereo Speakers
  • DTS / DTS X
  • Stereo Speakers

Others
Notifications LED -- --
Cooling system No Yes
Gaming buttons No No

User reviews

Does it have good sound?
7.3
--
Does it work smoothly in everyday use?
4.9
--
What's your experience been with demanding games?
3.2
--
Number of reviews
21 reviews
--

Camera

Main
No. of cameras Double rear camera Double rear camera
1
Camera type

Standard

Standard
Resolution 48 Mpx 13 Mpx
Aperture Unknow ƒ/ 1.8
Optical zoom -- --
View angle -- --
Sensor Sony IMX582 Exmor RS Unknown
Type CMOS CMOS
ISO -- --
Pixel size 0.60 µm --
Pixel Binning 1-4 (2x2) --
Sensor size 1/2.96" --
2
Camera type

Standard

Standard
Resolution
0.8 Mpx
0.3 Mpx
Aperture
Unknow
Unknow
Optical zoom
--
--
View angle
--
--
Sensor
Unknown
Unknown
Type
--
CMOS
Pixel size
--
--
Pixel Binning
--
--
Sensor size
--
--

Features
Flash LED LED
Optical Stabilisation No No
Slow Motion Video Yes,
120 fps 		Yes,
120 fps
Others
  • Digital zoom
  • Dual camera
  • Digital image stabilization
  • Autofocus
  • Touch focus
  • Geotagging
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer
  • Digital zoom
  • Dual camera
  • Autofocus
  • Touch focus
  • Continuous shooting
  • Geotagging
  • Panorama
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer
  • Front Flash

Selfie
SELF
Camera type

Dedicated

Dedicated
Resolution 8 Mpx 8 Mpx
Aperture Unknow Unknow
Optical zoom -- --
View angle -- --
Sensor Unknown Unknown
Type CMOS CMOS
Pixel size -- --
Pixel Binning -- --
Sensor size -- --
Others
--
--

DxOMark Score
DxOMark Score -- --

User reviews

Quality of daytime photos
6.4
--
Quality of nighttime photos
4.1
--
Quality of selfies
5.2
--
Does it have a powerful flash?
6.7
--
Number of reviews
21 reviews
--

Connectivity

Network compatibility

5G -- --
4G LTE
  • B1 (2100)
  • B2 (1900)
  • B3 (1800)
  • B4 (1700/2100 AWS 1)
  • B5 (850)
  • B7 (2600)
  • B8 (900)
  • B12 (700)
  • B17 (700)
  • B20 (800)
  • B28b (700)
  • B28a (700)
  • B38 (TDD 2600)
  • B40 (TDD 2300)
  • B41 (TDD 2500)
  • B66 (1700/2100)
  • B1 (2100)
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B7 (2600)
  • B8 (900)
  • B20 (800)
  • B38 (TDD 2600)
  • B40 (TDD 2300)
  • B41 (TDD 2500)
3G
  • B1 (2100)
  • B2 (1900)
  • B4 (1700/2100 AWS A-F)
  • B5 (850)
  • B8 (900)
  • B1 (2100)
  • B5 (850)
  • B8 (900)
2G
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)
No official network bands
No official network bands

SIM card
Dual SIM Dual Sim Dual Standby Dual Sim Dual Standby
Type
  • Nano SIM
  • Nano SIM
  • Nano SIM
  • Nano SIM

Wi-Fi
Wi-Fi
  • 802.11a
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11n 5GHz
  • 802.11ac
  • 802.11a
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11n 5GHz
  • 802.11ac
Others
  • Wi-Fi Hotspot
  • Wi-Fi Direct
  • Wi-Fi Display
  • Dual band
  • Wi-Fi Hotspot
  • Wi-Fi Direct
  • Wi-Fi Display

Bluetooth
Version Bluetooth 5.4 LE Low energy consumption Bluetooth 5.3
Others
  • A2DP (Advanced Audio Distribution Profile)
  • EDR (Enhanced Data Rate)
  • HID (Human Interface Profile)
  • LE (Low Energy)
  • LDAC
  • SBC
  • AAC
  • A2DP (Advanced Audio Distribution Profile)

Navigation
Navigation
  • GPS
  • A-GPS
  • GLONASS
  • Beidou
  • Galileo
  • GPS
  • A-GPS
  • GLONASS
  • Beidou
  • Galileo

USB
USB
  • Charging
  • Mass Storage
  • USB Type C
  • USB Host 2.0
  • Charging
  • Mass Storage
  • USB On-The-Go (OTG)
  • USB Type C
  • USB Host 2.0

SAR
European measurement

The European Union sets a limit of 2 W/kg averaged over 10 grams of tissue.

 -- --
American measurement

The FCC limit is 1.6 W/kg measured in a volume of 1 gram of tissue

 -- --

Others
Others
  • Audio Jack
  • Radio FM
  • Computer sync
  • OTA sync
  • Infrared
  • Tethering.
  • VoLTE
  • No official network bands
  • Audio Jack
  • Radio FM
  • Computer sync
  • OTA sync
  • Infrared
  • Tethering.
  • VoLTE
  • No official network bands

User reviews

Does it have good coverage for calls?
7.5
--
Quality of the GPS
6.9
--
And the WiFi?
6.9
--
Number of reviews
21 reviews
--

Battery

Battery
Capacity
5000 mAh
See more details
6000 mAh
See more details
Type Li-Polymer Li-Polymer
Fast charge Yes,
18.0W 		Yes,
18.0W
Others
  • Non-removable
  • Reverse charging
  • Non-removable

User reviews

How long does the battery last?
  • 5%
    Less than half day
  • 52%
    Less than a day
  • 38%
    One day
  • 5%
    More than one day
  • 0%
    Two days or more
--
Number of reviews
21 reviews
--

Software

Software
Operating System
  • Android 14
    Android 14 Upside-down cake, 3 years ago
  • Android 15
    Android 15 , 1 year ago
Google Services With Google Mobile Services With Google Mobile Services

User reviews

Did it come with preinstalled applications?
  • 10%
    It comes with a clean operating system
  • 71%
    It has preinstalled apps but they don't bother me
  • 19%
    It has preinstalled apps that I can't uninstall
--
Do you regularly receive updates?
  • 0%
    Never
  • 25%
    Once a year
  • 50%
    Every six months
  • 25%
    Every two months or less
--
Number of reviews
21 reviews
--
Prices
Prices unavailable
Prices unavailable

Others

Common comparisons