Screen size
Spark 40CWinner: 6.7"+2.5%
Spark 76.5"
Quick verdict
Spark 40C leads the measured specs 8-3.
Measured wins
Spark 40C
8
spec wins
Overall winner
Ties
7
equal specs
Spark 7
3
spec wins
Screen size
Technology
Spark 40C
GSM / HSPA / LTE
Spark 7
GSM / HSPA / LTE
2G bands
Spark 40C
GSM 850 / 900 / 1800 / 1900
Spark 7
GSM 850 / 900 / 1800 / 1900
3G bands
Spark 40C
HSDPA 900 / 2100
Spark 7
HSDPA 850 / 900 / 2100
4G bands
Spark 40C
LTE
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
equal specsBattery
equal specsWired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Spark 7
LTE
Speed
Spark 40C
HSPA, LTE
Spark 7
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Announced
Spark 40C
2025, July 19
Spark 7
2021, April 09
Status
Spark 40C
Available. Released 2025, August
Spark 7
Available. Released 2021, April 16
Dimensions
Spark 40C
165.6 x 77 x 8.4 mm (6.52 x 3.03 x 0.33 in)
Spark 7
164.8 x 76.1 x 9.5 mm (6.49 x 3.00 x 0.37 in)
Weight
Spark 40C
-
Spark 7
-
Build
Spark 40C
Glass front, plastic back, plastic frame
Spark 7
-
SIM
Spark 40C
Nano-SIM + Nano-SIM
Spark 7
Nano-SIM + Nano-SIM
Other
Spark 40C
IP64 dust tight and water resistant (water splashes) Drop resistant up to 1.5m
Spark 7
-
Type
Spark 40C
IPS LCD, 120Hz
Spark 7
IPS LCD
Size
Spark 40C
6.67 inches, 107.4 cm2 (~84.2% screen-to-body ratio)
Spark 7
6.5 inches, 102.0 cm2 (~81.3% screen-to-body ratio)
Resolution
Spark 40C
720 x 1600 pixels, 20:9 ratio (~263 ppi density)
Spark 7
720 x 1600 pixels, 20:9 ratio (~270 ppi density)
OS
Spark 40C
Android 15, HIOS 15.1
Spark 7
Android 11, HIOS 7.5
Chipset
Spark 40C
Mediatek Helio G81 (12 nm)
Spark 7
Mediatek MT6762D Helio A25 (12 nm)
CPU
Spark 40C
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
Spark 7
Octa-core (4x1.8 GHz Cortex-A53 & 4x1.5 GHz Cortex-A53)
GPU
Spark 40C
Mali-G52 MC2
Spark 7
PowerVR GE8320
Card slot
Spark 40C
Unspecified
Spark 7
microSDXC (dedicated slot)
Internal
Spark 40C
128GB 4GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
Spark 7
32GB 2GB RAM, 64GB 3GB RAM, 64GB 4GB RAM
Other
Spark 40C
-
Spark 7
eMMC 5.1
Single
Spark 40C
13 MP, f/1.8, 27mm (wide), PDAF
Spark 7
-
Features
Spark 40C
Dual-LED flash, HDR
Spark 7
Quad-LED flash
Video
Spark 40C
1080p@30fps
Spark 7
1080p@30fps
Dual
Spark 40C
-
Spark 7
16 MP, AF Secondary unknown camera
Single
Spark 40C
8 MP
Spark 7
8 MP
Video
Spark 40C
Yes
Spark 7
1080p@30fps
Features
Spark 40C
-
Spark 7
Dual-LED flash
Loudspeaker
Spark 40C
Yes, with dual speakers
Spark 7
Yes
3.5mm jack
Spark 40C
Yes
Spark 7
Yes
WLAN
Spark 40C
Yes
Spark 7
Wi-Fi 802.11 b/g/n
Bluetooth
Spark 40C
Yes
Spark 7
Yes
Positioning
Spark 40C
GPS
Spark 7
GPS
NFC
Spark 40C
No
Spark 7
No
Infrared port
Spark 40C
Yes
Spark 7
-
Radio
Spark 40C
FM radio
Spark 7
FM radio
USB
Spark 40C
USB Type-C, OTG
Spark 7
microUSB 2.0, OTG
Sensors
Spark 40C
Fingerprint (side-mounted); unspecified sensors
Spark 7
Fingerprint (rear-mounted), accelerometer, proximity
Type
Spark 40C
6000 mAh
Spark 7
Market-dependent versions:· 6000 mAh (Global)· 5000 mAh (Africa only)
Charging
Spark 40C
18W wired
Spark 7
-
Colors
Spark 40C
Veil White, Ripple Blue, Titanium Grey, Ink Black
Spark 7
Morpheus Blue, Spruce Green, Magnet Black
Models
Spark 40C
KM4k
Spark 7
KF6, KF6j, KF6i, KF6k, PR651h, PR651, PR651E, KF6m, KF6h, KF6n
Price
Spark 40C
About 90 EUR
Spark 7
About 90 EUR