Screen size
Spark 206.6"
Spark 40Winner: 6.7"+1%
Quick verdict
Spark 40 leads the measured specs 7-4.
Measured wins
Spark 20
4
spec wins
Ties
8
equal specs
Spark 40
7
spec wins
Overall winner
Screen size
Technology
Spark 20
GSM / HSPA / LTE
Spark 40
GSM / HSPA / LTE
2G bands
Spark 20
GSM 850 / 900 / 1800 / 1900
Spark 40
GSM 850 / 900 / 1800 / 1900
3G bands
Spark 20
HSDPA 900 / 2100
Spark 40
HSDPA 900 / 2100
4G bands
Spark 20
LTE
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
equal specsRAM
equal specsStorage
equal specsMain camera
equal specsFront camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
equal specsSpark 40
LTE
Speed
Spark 20
HSPA, LTE
Spark 40
HSPA, LTE
Announced
Spark 20
2023, December 01
Spark 40
2025, July 02
Status
Spark 20
Available. Released 2023, December
Spark 40
Available. Released 2025, July
Dimensions
Spark 20
163.7 x 75.6 x 8.5 mm (6.44 x 2.98 x 0.33 in)
Spark 40
165.6 x 77 x 7.7 mm (6.52 x 3.03 x 0.30 in)
Weight
Spark 20
-
Spark 40
-
Build
Spark 20
Glass front, plastic back, plastic frame
Spark 40
-
SIM
Spark 20
Nano-SIM + Nano-SIM
Spark 40
Nano-SIM + Nano-SIM
Other
Spark 20
IP53 dust protected and water resistant (vertical water sprays)
Spark 40
IP64 dust tight and water resistant (water splashes) Drop resistant up to 1.5m
Type
Spark 20
IPS LCD, 90Hz
Spark 40
IPS LCD, 120Hz
Size
Spark 20
6.6 inches, 104.6 cm2 (~84.6% screen-to-body ratio)
Spark 40
6.67 inches, 107.4 cm2 (~84.2% screen-to-body ratio)
Resolution
Spark 20
720 x 1612 pixels, 20:9 ratio (~267 ppi density)
Spark 40
720 x 1600 pixels, 20:9 ratio (~263 ppi density)
OS
Spark 20
Android 13, HIOS 13
Spark 40
Android 15, HIOS 15
Chipset
Spark 20
Mediatek MT6769Z Helio G85 (12 nm)
Spark 40
Mediatek Helio G81 (12 nm)Mediatek Helio G91 (12 nm) - NFC model
CPU
Spark 20
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
Spark 40
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU
Spark 20
Mali-G52 MC2
Spark 40
Mali-G52 MC2
Card slot
Spark 20
microSDXC
Spark 40
microSDXC
Internal
Spark 20
128GB 4GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
Spark 40
128GB 4GB RAM, 128GB 6GB RAM, 256GB 4GB RAM, 256GB 8GB RAM
Single
Spark 20
50 MP, f/1.6, (wide), 0.64µm, PDAF Auxiliary lens
Spark 40
50 MP, (wide), PDAF Auxiliary lens
Features
Spark 20
Dual-LED flash, HDR
Spark 40
Dual-LED flash
Video
Spark 20
1440p@30fps, 1080p@30fps
Spark 40
1440p@30fps, 1080p@30fps
Single
Spark 20
32 MP, f/2.2, (wide)
Spark 40
8 MP, (wide)
Features
Spark 20
Dual-LED flash
Spark 40
Dual-LED flash
Video
Spark 20
1080p@30fps
Spark 40
1080p@30fps
Loudspeaker
Spark 20
Yes, with stereo speakers
Spark 40
Yes, with stereo speakers
3.5mm jack
Spark 20
Yes
Spark 40
Yes
WLAN
Spark 20
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Spark 40
Yes
Bluetooth
Spark 20
5.2, A2DP, LE
Spark 40
Yes
Positioning
Spark 20
GPS
Spark 40
GPS
NFC
Spark 20
No
Spark 40
Yes (market/region dependent)
Radio
Spark 20
FM radio
Spark 40
FM radio
USB
Spark 20
USB Type-C, OTG
Spark 40
USB Type-C
Infrared port
Spark 20
-
Spark 40
Yes
Sensors
Spark 20
Fingerprint (side-mounted), accelerometer, proximity, compass
Spark 40
Fingerprint (side-mounted); unspecified sensors
Type
Spark 20
5000 mAh
Spark 40
5200 mAh
Charging
Spark 20
18W wired
Spark 40
45W wired, 55 min to 100%
Colors
Spark 20
Gravity Black, Cyber White, Neon Gold, Magic Skin 2.0 (Blue)
Spark 40
Ink Black, Titanium Grey, Veil White, Mirage Blue
Models
Spark 20
KJ5, KJ5n
Spark 40
KM5
Price
Spark 20
-
Spark 40
About 110 EUR