Screen size
C15Winner: 6.6"+2.7%
Cool X Wide6.4"
Quick verdict
C15 leads the measured specs 9-3.
Measured wins
C15
9
spec wins
Overall winner
Ties
8
equal specs
Cool X Wide
3
spec wins
Screen size
Technology
C15
GSM / HSPA / LTE
Cool X Wide
GSM / HSPA / LTE
2G bands
C15
GSM 850 / 900 / 1800 / 1900
Cool X Wide
GSM 850 / 900 / 1800 / 1900
3G bands
C15
HSDPA 850 / 900 / 1900 / 2100 - International, HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - USA
Cool X Wide
HSDPA 850 / 900 / 2100
4G bands
C15
1, 3, 5, 7, 8, 20, 28, 34, 38, 39, 40, 41 - International, 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 25, 26, 28, 66 - USA
Resolution
Refresh rate
equal specsPeak brightness
Pixel density
CPU speed
equal specsRAM
Storage
equal specsMain camera
equal specsFront camera
equal specsBattery
Wired charging
equal specsWeight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
3.5mm jack
SD card
equal specsStereo speakers
Cool X Wide
1, 3, 5, 7, 8, 28, 34, 38, 39, 40, 41
Speed
C15
HSPA, LTE
Cool X Wide
HSPA, LTE
Announced
C15
2024, May
Cool X Wide
2026, October 21
Status
C15
Available. Released 2024, May
Cool X Wide
Coming soon. Exp. release 2026, November 08
Dimensions
C15
164.2 x 75.7 x 8.8 mm (6.46 x 2.98 x 0.35 in)
Cool X Wide
150.3 x 94.5 x 9 mm (5.92 x 3.72 x 0.35 in)
Weight
C15
196 g (6.91 oz)
Cool X Wide
209 g (7.37 oz)
SIM
C15
Nano-SIM + Nano-SIM
Cool X Wide
Nano-SIM + Nano-SIM
Type
C15
IPS LCD, 90Hz, 400 nits
Cool X Wide
IPS LCD, 90Hz
Size
C15
6.56 inches, 103.4 cm2 (~83.2% screen-to-body ratio)
Cool X Wide
6.38 inches, 117.8 cm2 (~82.9% screen-to-body ratio)
Resolution
C15
720 x 1612 pixels, 20:9 ratio (~269 ppi density)
Cool X Wide
720 x 1158 pixels, 16:10 ratio (~214 ppi density)
OS
C15
Android 14
Cool X Wide
Android 16
Chipset
C15
Mediatek Helio G36 (12 nm)
Cool X Wide
Mediatek Helio G99 (6 nm)
CPU
C15
Octa-core (4x2.2 GHz Cortex-A53 & 4x1.6 GHz Cortex-A53)
Cool X Wide
Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
C15
PowerVR GE8320
Cool X Wide
Mali-G57 MC2
Card slot
C15
microSDXC
Cool X Wide
microSDXC
Internal
C15
128GB 4GB RAM, 256GB 6GB RAM
Cool X Wide
128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
Other
C15
eMMC 5.1
Cool X Wide
UFS 2.2
Dual
C15
50 MP, f/1.8, (wide), AF 2 MP (macro)
Cool X Wide
-
Features
C15
LED flash
Cool X Wide
LED flash
Video
C15
Yes
Cool X Wide
Yes
Triple
C15
-
Cool X Wide
50 MP, (wide), AF 2 MP (macro)
Single
C15
8 MP, f/2.0
Cool X Wide
8 MP
Video
C15
Yes
Cool X Wide
Yes
Loudspeaker
C15
Yes
Cool X Wide
Yes
3.5mm jack
C15
No
Cool X Wide
Yes
WLAN
C15
Wi-Fi 802.11 a/b/g/n/ac
Cool X Wide
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
C15
5.0, A2DP, LE
Cool X Wide
Yes
Positioning
C15
GPS, GALILEO, GLONASS, BDS
Cool X Wide
GPS, GLONASS, GALILEO, BDS
NFC
C15
Yes
Cool X Wide
No
Radio
C15
Unspecified
Cool X Wide
No
USB
C15
Yes
Cool X Wide
USB Type-C
Sensors
C15
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Cool X Wide
Fingerprint (side-mounted), accelerometer, proximity
Type
C15
5000 mAh
Cool X Wide
Li-Po 4600 mAh
Charging
C15
18W wired
Cool X Wide
18W wired
Colors
C15
Dreamy Blue, Ripple Purple, Midnight Black
Cool X Wide
White, Black, Red
Price
C15
-
Cool X Wide
About 130 EUR