Screen size
equal specsC156.6"
Cool 40i6.6"
Quick verdict
C15 and Cool 40i are close on the measured specs.
Measured wins
C15
4
spec wins
Ties
12
equal specs
Cool 40i
4
spec wins
Screen size
equal specsTechnology
C15
GSM / HSPA / LTE
Cool 40i
GSM / CDMA / HSPA / LTE
2G bands
C15
GSM 850 / 900 / 1800 / 1900
Cool 40i
GSM 850 / 900 / 1800 / 1900 , CDMA 800
3G bands
C15
HSDPA 850 / 900 / 1900 / 2100 - International, HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - USA
Cool 40i
HSDPA 850 / 900 / 1900 / 2100 - International, HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - USA
4G bands
C15
Resolution
Refresh rate
equal specsPeak brightness
Pixel density
equal specsCPU speed
RAM
equal specsStorage
equal specsMain camera
equal specsFront camera
equal specsBattery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
5G support
equal specsNFC
equal specs3.5mm jack
SD card
equal specsStereo speakers
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
Cool 40i
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
Speed
C15
HSPA, LTE
Cool 40i
HSPA, LTE
Announced
C15
2024, May
Cool 40i
2024, December
Status
C15
Available. Released 2024, May
Cool 40i
Available. Released 2024, December
Dimensions
C15
164.2 x 75.7 x 8.8 mm (6.46 x 2.98 x 0.35 in)
Cool 40i
166.2 x 77 x 8.3 mm (6.54 x 3.03 x 0.33 in)
Weight
C15
196 g (6.91 oz)
Cool 40i
202 g (7.13 oz)
SIM
C15
Nano-SIM + Nano-SIM
Cool 40i
Nano-SIM + Nano-SIM
Type
C15
IPS LCD, 90Hz, 400 nits
Cool 40i
IPS LCD, 90Hz
Size
C15
6.56 inches, 103.4 cm2 (~83.2% screen-to-body ratio)
Cool 40i
6.56 inches, 103.4 cm2 (~80.8% screen-to-body ratio)
Resolution
C15
720 x 1612 pixels, 20:9 ratio (~269 ppi density)
Cool 40i
720 x 1612 pixels, 20:9 ratio (~269 ppi density)
OS
C15
Android 14
Cool 40i
Android 14, CoolOS
Chipset
C15
Mediatek Helio G36 (12 nm)
Cool 40i
Mediatek MT6765 Helio G37 (12 nm)
CPU
C15
Octa-core (4x2.2 GHz Cortex-A53 & 4x1.6 GHz Cortex-A53)
Cool 40i
Octa-core (4x2.3 GHz Cortex-A53 & 4x1.7 GHz Cortex-A53)
GPU
C15
PowerVR GE8320
Cool 40i
PowerVR GE8320
Card slot
C15
microSDXC
Cool 40i
microSDXC (dedicated slot)
Internal
C15
128GB 4GB RAM, 256GB 6GB RAM
Cool 40i
128GB 4GB RAM, 256GB 6GB RAM
Other
C15
eMMC 5.1
Cool 40i
eMMC 5.1
Dual
C15
50 MP, f/1.8, (wide), AF 2 MP (macro)
Cool 40i
50 MP, f/1.8 (wide), PDAF Auxiliary lens
Features
C15
LED flash
Cool 40i
LED flash, panorama, HDR
Video
C15
Yes
Cool 40i
1080p@30fps
Single
C15
8 MP, f/2.0
Cool 40i
8 MP, f/2.0, (wide)
Video
C15
Yes
Cool 40i
1080p@30fps
Loudspeaker
C15
Yes
Cool 40i
Yes
3.5mm jack
C15
No
Cool 40i
Unspecified
WLAN
C15
Wi-Fi 802.11 a/b/g/n/ac
Cool 40i
Wi-Fi 802.11 a/b/g/n/ac
Bluetooth
C15
5.0, A2DP, LE
Cool 40i
5.0, A2DP, LE
Positioning
C15
GPS, GALILEO, GLONASS, BDS
Cool 40i
GPS, GLONASS, BDS, GALILEO
NFC
C15
Yes
Cool 40i
Yes
Radio
C15
Unspecified
Cool 40i
No
USB
C15
Yes
Cool 40i
USB Type-C 2.0
Sensors
C15
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Cool 40i
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Type
C15
5000 mAh
Cool 40i
4500 mAh
Charging
C15
18W wired
Cool 40i
10W wired
Colors
C15
Dreamy Blue, Ripple Purple, Midnight Black
Cool 40i
Phantom Black, Glacier Blue, Lite Pink, Ivory White
Price
C15
-
Cool 40i
About 100 EUR