Tecno Spark K7 vs Tecno Spark 40
Comparing 2 products
Basic Information
General Overview
Device Type
Bar
Bar
Model
Spark K7
Spark 40
Announced
2017, August
2025, July 02
Released
2017, August
2025, July 02
Status
Available
Available
Estimate Price
-
About 110 EUR
Design
Type
Bar
Bar
Dimensions
152.7 x 75.4 x 9.5 mm (6.66 x 2.85 x 0.37 in)
165.6 x 77 x 7.7 mm (6.52 x 3.03 x 0.30 in)
Weight
154 g (4.02 oz)
-
Protection
Plastic
IP64 dust tight and water resistant (water splashes)
Drop resistant up to 1.5m
Colors
Black, Red, Gold, Blue
Ink Black, Titanium Grey, Veil White, Mirage Blue
Network
2G Network
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Yes
3G Network
HSDPA 850 / 1900
Yes
SIM
Micro SIM
Nano SIM
Dual SIM
Yes, Dual SIM (Micro-SIM, dual stand-by)
Nano-SIM + Nano-SIM
4G Network
-
Yes
5G Network
-
No
Display
Display Type
IPS LCD
LCD
Size
5.5 inches, 68.9 cm2 (~66.2% screen-to-body ratio)
6.67 inches, 107.4 cm2 (~84.2% screen-to-body ratio)
Resolution
720 x 1280 pixels
720 x 1600 pixels, 20:9 ratio
Display Colors
16M colors
-
Pixel Density
264 ppi density
263 ppi density
Touch Screen
Capacitive Touchscreen
Yes
Features
-
120Hz
Media
FM Radio
Yes
Yes
Earphone Jack
Yes
Yes
Camera
Camera Set
Single Camera
Dual Cameras
Main Camera
13 MP, f/1.8, PDAF
50 MP, (wide), PDAF
Camera Video
1080p@30fps
1440p@30fps, 1080p@30fps
Features
Geo-tagging, panorama
-
Flash
LED Flash
Dual-LED flash
Selfie Set
Single Camera
Single Camera
Selfie Camera
5 MP
8 MP, (wide)
Selfie Video
VGA
1080p@30fps
2nd Camera
-
Auxiliary lens
Software
OS
Android 7.0 (Nougat)
Android 15
User Interface
HiOS
HIOS 15
Hardware
Chipset
Mediatek MT6580
Mediatek Helio G81 (12 nm)
CPU
Quad-core 1.3 GHz Cortex-A7
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU
Mali-400MP2
Mali-G52 MC2
RAM
2 GB
4/6/8 GB
Internal Storage
16 GB
128GB/256 GB
Card Slot
Yes, up to 32 GB via microSD card
microSDXC
Sensors
Fingerprint sensor (front-mounted), Accelerometer, proximity
Fingerprint (side-mounted); unspecified sensors
Connectivity
Bluetooth
4.0, A2DP, LE
Yes
Wi-fi
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Yes
Wi-fi Hotspot
Yes
Yes
USB
Micro USB 2.0
USB Type-C
GPS
Yes
GPS
NFC
No
No
Wireless Charging
-
No
Data
GPRS
Yes
Yes
EDGE
Yes
Yes
Speed
HSPA 21.1/5.76 Mbps
HSPA, LTE
Battery
Battery Type
Li-Ion (Lithium Ion)
Li-Poly (Lithium Polymer)
Capacity
3000 mAh battery
5200 mAh, Battery
Placement
Non-removable
Non-removable
Standby
66h
-
Talk Time
18:26h
-
Music Play
9:54h
-
Fast Charging
-
45W wired, 55 min to 100%