Screen size
equal specsSpark 40 Pro+6.8"
Spark Slim6.8"
Quick verdict
Spark 40 Pro+ leads the measured specs 4-3.
Measured wins
Spark 40 Pro+
4
spec wins
Overall winner
Ties
15
equal specs
Spark Slim
3
spec wins
Screen size
equal specsTechnology
Spark 40 Pro+
GSM / HSPA / LTE
Spark Slim
GSM / HSPA / LTE
2G bands
Spark 40 Pro+
GSM 850 / 900 / 1800 / 1900
Spark Slim
GSM 850 / 900 / 1800 / 1900
3G bands
Spark 40 Pro+
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Spark Slim
HSDPA 850 / 900 / 2100
4G bands
Spark 40 Pro+
1, 2, 3, 4, 5, 7, 8, 12, 20, 28, 38, 40, 41, 66
Resolution
equal specsRefresh rate
equal specsPeak brightness
equal specsPixel density
equal specsCPU speed
equal specsRAM
equal specsStorage
Main camera
equal specsFront camera
equal specsBattery
Wired charging
equal specsWeight
Thickness
IP rating
equal specsWi‑Fi
Bluetooth
USB
5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Spark Slim
LTE
Speed
Spark 40 Pro+
HSPA, LTE
Spark Slim
HSPA, LTE
Announced
Spark 40 Pro+
2025, July 02
Spark Slim
2025, September 02
Status
Spark 40 Pro+
Available. Released 2025, July 07
Spark Slim
Available. Released 2025, October 10
Dimensions
Spark 40 Pro+
163.9 x 75.8 x 6.5 mm (6.45 x 2.98 x 0.26 in)
Spark Slim
164.2 x 75.9 x 5.9 mm (6.46 x 2.99 x 0.23 in)
Weight
Spark 40 Pro+
160.4 g (5.64 oz)
Spark Slim
156 g (5.50 oz)
Build
Spark 40 Pro+
Glass front (Gorilla Glass 7i), plastic back, plastic frame
Spark Slim
Glass front (Gorilla Glass 7i), fiber-reinforced plastic back
SIM
Spark 40 Pro+
Nano-SIM + Nano-SIM
Spark Slim
Nano-SIM
Other
Spark 40 Pro+
IP64 dust tight and water resistant (water splashes) Drop resistant up to 1.5m
Spark Slim
IP64 dust tight and water resistant (water splashes) Status light LED (on the back) MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions
Type
Spark 40 Pro+
AMOLED, 1B colors, 144Hz, 1600 nits (HBM), 4500 nits (peak)
Spark Slim
AMOLED, 144Hz, 1600 nits (HBM), 4500 nits (peak)
Size
Spark 40 Pro+
6.78 inches, 111.0 cm2 (~89.3% screen-to-body ratio)
Spark Slim
6.78 inches, 111.0 cm2 (~89.1% screen-to-body ratio)
Resolution
Spark 40 Pro+
1224 x 2720 pixels, 20:9 ratio (~440 ppi density)
Spark Slim
1224 x 2720 pixels, 20:9 ratio (~440 ppi density)
Protection
Spark 40 Pro+
Corning Gorilla Glass 7i
Spark Slim
Corning Gorilla Glass 7i
OS
Spark 40 Pro+
Android 15, up to 3 major Android upgrades, HIOS 15
Spark Slim
Android 15, HIOS 15
Chipset
Spark 40 Pro+
Mediatek Helio G200 (6 nm)
Spark Slim
Mediatek Helio G200 (6 nm)
CPU
Spark 40 Pro+
Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
Spark Slim
Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
Spark 40 Pro+
Mali-G57 MC2 (1.1GHz)
Spark Slim
Mali-G57 MC2 (1.1GHz)
Card slot
Spark 40 Pro+
No
Spark Slim
No
Internal
Spark 40 Pro+
128GB 8GB RAM, 256GB 8GB RAM
Spark Slim
256GB 8GB RAM
Single
Spark 40 Pro+
50 MP, f/1.6, (wide), 1/2.8", 0.64µm, PDAF Auxiliary lens
Spark Slim
50 MP, (wide), PDAF
Features
Spark 40 Pro+
Dual-LED flash, HDR
Spark Slim
Dual-LED flash
Video
Spark 40 Pro+
1440p@30fps, 1080p@30fps, gyro-EIS
Spark Slim
1440p@30fps, 1080p@30fps
Single
Spark 40 Pro+
13 MP, f/2.2, (wide), 1/3.1", 1.12µm
Spark Slim
13 MP, (wide)
Features
Spark 40 Pro+
Dual-LED flash
Spark Slim
-
Video
Spark 40 Pro+
1080p@30fps
Spark Slim
Yes
Loudspeaker
Spark 40 Pro+
Yes, with stereo speakers
Spark Slim
Yes, with dual speakers (with Dolby Atmos)
3.5mm jack
Spark 40 Pro+
No
Spark Slim
No
Other
Spark 40 Pro+
24-bit/192kHz Hi-Res & Hi-Res Wireless audio
Spark Slim
-
WLAN
Spark 40 Pro+
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Spark Slim
Yes
Bluetooth
Spark 40 Pro+
5.3, A2DP, LE
Spark Slim
Yes
Positioning
Spark 40 Pro+
GPS
Spark Slim
GPS, GLONASS, GALILEO, BDS
NFC
Spark 40 Pro+
Yes (market/region dependent)
Spark Slim
Yes
Infrared port
Spark 40 Pro+
Yes
Spark Slim
Yes
Radio
Spark 40 Pro+
FM radio
Spark Slim
FM radio
USB
Spark 40 Pro+
USB Type-C 2.0, OTG
Spark Slim
USB Type-C, OTG
Sensors
Spark 40 Pro+
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Spark Slim
Fingerprint (under display, optical), accelerometer, gyro
Type
Spark 40 Pro+
5200 mAh
Spark Slim
5160 mAh
Charging
Spark 40 Pro+
45W wired, 100% in 55 min 30W wireless 5W reverse wireless 10W reverse wired Bypass charging
Spark Slim
45W wired, 100% in 57 min 10W reverse wired Bypass charging
Colors
Spark 40 Pro+
Nebula Black, Aurora White, Moon Titanium, Tundra Green
Spark Slim
Slim White, Cool Black
Models
Spark 40 Pro+
KM7
Spark Slim
KM7k
Price
Spark 40 Pro+
About 180 EUR
Spark Slim
About 180 EUR