Screen size
Spark 40C6.7"
Spark 6 AirWinner: 7.0"+4.7%
Quick verdict
Spark 40C leads the measured specs 7-5.
Measured wins
Spark 40C
7
spec wins
Overall winner
Ties
8
equal specs
Spark 6 Air
5
spec wins
Screen size
Technology
Spark 40C
GSM / HSPA / LTE
Spark 6 Air
GSM / HSPA / LTE
2G bands
Spark 40C
GSM 850 / 900 / 1800 / 1900
Spark 6 Air
GSM 850 / 900 / 1800 / 1900
3G bands
Spark 40C
HSDPA 900 / 2100
Spark 6 Air
HSDPA 850 / 900 / 2100
4G bands
Spark 40C
LTE
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
equal specsFront camera
equal specsBattery
equal specsWired charging
equal specsWeight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Spark 6 Air
LTE
Speed
Spark 40C
HSPA, LTE
Spark 6 Air
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Announced
Spark 40C
2025, July 19
Spark 6 Air
2020, July 30. Released 2020, August 06
Status
Spark 40C
Available. Released 2025, August
Spark 6 Air
Discontinued
Dimensions
Spark 40C
165.6 x 77 x 8.4 mm (6.52 x 3.03 x 0.33 in)
Spark 6 Air
174.7 x 79.4 x 9.3 mm (6.88 x 3.13 x 0.37 in)
Weight
Spark 40C
-
Spark 6 Air
-
Build
Spark 40C
Glass front, plastic back, plastic frame
Spark 6 Air
-
SIM
Spark 40C
Nano-SIM + Nano-SIM
Spark 6 Air
Nano-SIM + Nano-SIM
Other
Spark 40C
IP64 dust tight and water resistant (water splashes) Drop resistant up to 1.5m
Spark 6 Air
-
Type
Spark 40C
IPS LCD, 120Hz
Spark 6 Air
IPS LCD, 480 nits (typ)
Size
Spark 40C
6.67 inches, 107.4 cm2 (~84.2% screen-to-body ratio)
Spark 6 Air
7.0 inches, 116.4 cm2 (~83.9% screen-to-body ratio)
Resolution
Spark 40C
720 x 1600 pixels, 20:9 ratio (~263 ppi density)
Spark 6 Air
720 x 1640 pixels (~256 ppi density)
OS
Spark 40C
Android 15, HIOS 15.1
Spark 6 Air
Android 10 (Go edition), HiOS 6.2
Chipset
Spark 40C
Mediatek Helio G81 (12 nm)
Spark 6 Air
Mediatek MT6761 Helio A22 (12 nm)
CPU
Spark 40C
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
Spark 6 Air
Quad-core 1.8 GHz Cortex-A53
GPU
Spark 40C
Mali-G52 MC2
Spark 6 Air
PowerVR GE8320
Card slot
Spark 40C
Unspecified
Spark 6 Air
microSDXC (dedicated slot)
Internal
Spark 40C
128GB 4GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
Spark 6 Air
32GB 2GB RAM, 32GB 3GB RAM, 64GB 3GB RAM
Other
Spark 40C
-
Spark 6 Air
eMMC 5.1
Single
Spark 40C
13 MP, f/1.8, 27mm (wide), PDAF
Spark 6 Air
-
Features
Spark 40C
Dual-LED flash, HDR
Spark 6 Air
Quad-LED flash, HDR
Video
Spark 40C
1080p@30fps
Spark 6 Air
1080p@30fps
Triple
Spark 40C
-
Spark 6 Air
13 MP, f/1.8, AF Auxiliary lenses
Single
Spark 40C
8 MP
Spark 6 Air
8 MP
Video
Spark 40C
Yes
Spark 6 Air
Features
Spark 40C
-
Spark 6 Air
Dual-LED flash
Loudspeaker
Spark 40C
Yes, with dual speakers
Spark 6 Air
Yes
3.5mm jack
Spark 40C
Yes
Spark 6 Air
Yes
WLAN
Spark 40C
Yes
Spark 6 Air
Wi-Fi 802.11 b/g/n
Bluetooth
Spark 40C
Yes
Spark 6 Air
5.0, A2DP, LE
Positioning
Spark 40C
GPS
Spark 6 Air
GPS
NFC
Spark 40C
No
Spark 6 Air
No
Infrared port
Spark 40C
Yes
Spark 6 Air
-
Radio
Spark 40C
FM radio
Spark 6 Air
FM radio
USB
Spark 40C
USB Type-C, OTG
Spark 6 Air
microUSB 2.0, OTG
Sensors
Spark 40C
Fingerprint (side-mounted); unspecified sensors
Spark 6 Air
Fingerprint (rear-mounted), accelerometer, proximity
Type
Spark 40C
6000 mAh
Spark 6 Air
6000 mAh
Charging
Spark 40C
18W wired
Spark 6 Air
18W wired
Colors
Spark 40C
Veil White, Ripple Blue, Titanium Grey, Ink Black
Spark 6 Air
Comet Black, Ocean Blue, Cloud White
Models
Spark 40C
KM4k
Spark 6 Air
KE6, KE6j, KF6
Price
Spark 40C
About 90 EUR
Spark 6 Air
About 90 EUR