Screen size
equal specsQuick verdict
Spark 40C leads the measured specs 6-1.
Measured wins
Spark 40C
6
spec wins
Overall winner
Ties
10
equal specs
Spark Go 1S
1
spec wins
Screen size
equal specsTechnology
Spark 40C
GSM / HSPA / LTE
Spark Go 1S
GSM / HSPA / LTE
2G bands
Spark 40C
GSM 850 / 900 / 1800 / 1900
Spark Go 1S
GSM 850 / 900 / 1800 / 1900
3G bands
Spark 40C
HSDPA 900 / 2100
Spark Go 1S
HSDPA 900 / 2100
4G bands
Spark 40C
LTE
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
equal specsCPU speed
RAM
Storage
Main camera
equal specsFront camera
equal specsBattery
Wired charging
Weight
Thickness
equal specsIP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Spark Go 1S
LTE
Speed
Spark 40C
HSPA, LTE
Spark Go 1S
HSPA, LTE
Announced
Spark 40C
2025, July 19
Spark Go 1S
2025, January 06
Status
Spark 40C
Available. Released 2025, August
Spark Go 1S
Available. Released 2025, January
Dimensions
Spark 40C
165.6 x 77 x 8.4 mm (6.52 x 3.03 x 0.33 in)
Spark Go 1S
165.6 x 77 x 8.4 mm (6.52 x 3.03 x 0.33 in)
Weight
Spark 40C
-
Spark Go 1S
-
Build
Spark 40C
Glass front, plastic back, plastic frame
Spark Go 1S
Glass front, plastic back, plastic frame
SIM
Spark 40C
Nano-SIM + Nano-SIM
Spark Go 1S
Nano-SIM + Nano-SIM
Other
Spark 40C
IP64 dust tight and water resistant (water splashes) Drop resistant up to 1.5m
Spark Go 1S
IP54 dust protected and water resistant (water splashes)
Type
Spark 40C
IPS LCD, 120Hz
Spark Go 1S
IPS LCD, 90Hz
Size
Spark 40C
6.67 inches, 107.4 cm2 (~84.2% screen-to-body ratio)
Spark Go 1S
6.67 inches, 107.4 cm2 (~84.2% screen-to-body ratio)
Resolution
Spark 40C
720 x 1600 pixels, 20:9 ratio (~263 ppi density)
Spark Go 1S
720 x 1600 pixels, 20:9 ratio (~263 ppi density)
OS
Spark 40C
Android 15, HIOS 15.1
Spark Go 1S
Android 14 (Go edition), HIOS 14
Chipset
Spark 40C
Mediatek Helio G81 (12 nm)
Spark Go 1S
Mediatek Helio G50
CPU
Spark 40C
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
Spark Go 1S
Octa-core 2.2 GHz Cortex-A53
GPU
Spark 40C
Mali-G52 MC2
Spark Go 1S
PowerVR GE8320
Card slot
Spark 40C
Unspecified
Spark Go 1S
microSDXC
Internal
Spark 40C
128GB 4GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
Spark Go 1S
64GB 3GB RAM
Other
Spark 40C
-
Spark Go 1S
eMMC 5.1
Single
Spark 40C
13 MP, f/1.8, 27mm (wide), PDAF
Spark Go 1S
13 MP, f/1.8, 27mm (wide), PDAF
Features
Spark 40C
Dual-LED flash, HDR
Spark Go 1S
Dual-LED flash, HDR
Video
Spark 40C
1080p@30fps
Spark Go 1S
1080p@30fps
Single
Spark 40C
8 MP
Spark Go 1S
8 MP
Video
Spark 40C
Yes
Spark Go 1S
Yes
Loudspeaker
Spark 40C
Yes, with dual speakers
Spark Go 1S
Yes, with dual speakers
3.5mm jack
Spark 40C
Yes
Spark Go 1S
Yes
WLAN
Spark 40C
Yes
Spark Go 1S
Yes
Bluetooth
Spark 40C
Yes
Spark Go 1S
Yes
Positioning
Spark 40C
GPS
Spark Go 1S
GPS
NFC
Spark 40C
No
Spark Go 1S
No
Infrared port
Spark 40C
Yes
Spark Go 1S
Yes
Radio
Spark 40C
FM radio
Spark Go 1S
Unspecified
USB
Spark 40C
USB Type-C, OTG
Spark Go 1S
USB Type-C, OTG
Sensors
Spark 40C
Fingerprint (side-mounted); unspecified sensors
Spark Go 1S
Fingerprint (side-mounted); unspecified sensors
Type
Spark 40C
6000 mAh
Spark Go 1S
5000 mAh
Charging
Spark 40C
18W wired
Spark Go 1S
15W wired
Colors
Spark 40C
Veil White, Ripple Blue, Titanium Grey, Ink Black
Spark Go 1S
Startrail Black, Glittery White
Models
Spark 40C
KM4k
Spark Go 1S
KL4h
Price
Spark 40C
About 90 EUR
Spark Go 1S
About 70 EUR