Screen size
Quick verdict
Spark Go leads the measured specs 6-5.
Measured wins
Spark 40
5
spec wins
Ties
9
equal specs
Spark Go
6
spec wins
Overall winner
Screen size
Technology
Spark 40
GSM / HSPA / LTE
Spark Go
GSM / HSPA / LTE / 5G
2G bands
Spark 40
GSM 850 / 900 / 1800 / 1900
Spark Go
GSM 850 / 900 / 1800 / 1900
3G bands
Spark 40
HSDPA 900 / 2100
Spark Go
HSDPA 900 / 2100
4G bands
Spark 40
LTE
Resolution
equal specsRefresh rate
equal specsPeak brightness
Pixel density
CPU speed
RAM
equal specsStorage
equal specsMain camera
equal specsFront camera
Battery
Wired charging
Weight
Thickness
IP rating
equal specsWi‑Fi
Bluetooth
USB
5G support
NFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Spark Go
LTE
Speed
Spark 40
HSPA, LTE
Spark Go
HSPA, LTE, 5G
5G bands
Spark 40
-
Spark Go
SA/NSA
Announced
Spark 40
2025, July 02
Spark Go
2025, August 14
Status
Spark 40
Available. Released 2025, July
Spark Go
Available. Released 2025, August 21
Dimensions
Spark 40
165.6 x 77 x 7.7 mm (6.52 x 3.03 x 0.30 in)
Spark Go
167.7 x 77.9 x 8 mm (6.60 x 3.07 x 0.31 in)
Weight
Spark 40
-
Spark Go
194 g (6.84 oz)
SIM
Spark 40
Nano-SIM + Nano-SIM
Spark Go
Nano-SIM + Nano-SIM
Other
Spark 40
IP64 dust tight and water resistant (water splashes) Drop resistant up to 1.5m
Spark Go
IP64 dust tight and water resistant (water splashes)
Build
Spark 40
-
Spark Go
Glass front, plastic back, plastic frame
Type
Spark 40
IPS LCD, 120Hz
Spark Go
IPS LCD, 120Hz
Size
Spark 40
6.67 inches, 107.4 cm2 (~84.2% screen-to-body ratio)
Spark Go
6.75 inches, 110.0 cm2 (~84.2% screen-to-body ratio)
Resolution
Spark 40
720 x 1600 pixels, 20:9 ratio (~263 ppi density)
Spark Go
720 x 1600 pixels, 20:9 ratio (~260 ppi density)
OS
Spark 40
Android 15, HIOS 15
Spark Go
Android 15, HIOS 15
Chipset
Spark 40
Mediatek Helio G81 (12 nm)Mediatek Helio G91 (12 nm) - NFC model
Spark Go
Mediatek Dimensity 6400 (6 nm)
CPU
Spark 40
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
Spark Go
Octa-core (2x2.5 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
Spark 40
Mali-G52 MC2
Spark Go
Mali-G57 MC2
Card slot
Spark 40
microSDXC
Spark Go
microSDXC (dedicated slot)
Internal
Spark 40
128GB 4GB RAM, 128GB 6GB RAM, 256GB 4GB RAM, 256GB 8GB RAM
Spark Go
128GB 4GB RAM, 256GB 8GB RAM
Single
Spark 40
50 MP, (wide), PDAF Auxiliary lens
Spark Go
50 MP
Features
Spark 40
Dual-LED flash
Spark Go
Dual-LED flash
Video
Spark 40
1440p@30fps, 1080p@30fps
Spark Go
1440p@30fps, 1080p@30fps
Single
Spark 40
8 MP, (wide)
Spark Go
5 MP
Features
Spark 40
Dual-LED flash
Spark Go
-
Video
Spark 40
1080p@30fps
Spark Go
Yes
Loudspeaker
Spark 40
Yes, with stereo speakers
Spark Go
Yes
3.5mm jack
Spark 40
Yes
Spark Go
Yes
WLAN
Spark 40
Yes
Spark Go
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
Spark 40
Yes
Spark Go
5.4, A2DP, LE
Positioning
Spark 40
GPS
Spark Go
GPS
NFC
Spark 40
Yes (market/region dependent)
Spark Go
Yes (market/region dependent)
Infrared port
Spark 40
Yes
Spark Go
Yes
Radio
Spark 40
FM radio
Spark Go
FM radio
USB
Spark 40
USB Type-C
Spark Go
USB Type-C, OTG
Sensors
Spark 40
Fingerprint (side-mounted); unspecified sensors
Spark Go
Fingerprint (side-mounted), accelerometer, proximity, compass
Type
Spark 40
5200 mAh
Spark Go
Li-Po 6000 mAh
Charging
Spark 40
45W wired, 55 min to 100%
Spark Go
18W wired
Colors
Spark 40
Ink Black, Titanium Grey, Veil White, Mirage Blue
Spark Go
Sky Blue, Ink Black, Turquoise Green
Models
Spark 40
KM5
Spark Go
KM8
Price
Spark 40
About 110 EUR
Spark Go
About 100 EUR