Screen size
Cool 206.5"
Cool 6Winner: 6.5"+0.2%
Quick verdict
Cool 6 leads the measured specs 6-4.
Measured wins
Cool 20
4
spec wins
Ties
7
equal specs
Cool 6
6
spec wins
Overall winner
Screen size
Technology
Cool 20
GSM / CDMA / HSPA / CDMA2000 / LTE
Cool 6
GSM / HSPA / LTE
2G bands
Cool 20
GSM 850 / 900 / 1800 / 1900 , CDMA 800
Cool 6
GSM 850 / 900 / 1800 / 1900
3G bands
Cool 20
HSDPA 850 / 900 / 2100 , CDMA2000 1x
Cool 6
HSDPA 850 / 900 / 2100
4G bands
Cool 20
1, 3, 5, 8, 34, 39, 40, 41
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
equal specsMain camera
equal specsFront camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
SD card
equal specsStereo speakers
Cool 6
LTE
Speed
Cool 20
HSPA, LTE
Cool 6
HSPA, LTE
Announced
Cool 20
2021, May 26. Released 2021, June 01
Cool 6
2020, October 15. Released 2020, October 15
Status
Cool 20
Discontinued
Cool 6
Discontinued
Dimensions
Cool 20
164.3 x 75.7 x 8.7 mm (6.47 x 2.98 x 0.34 in)
Cool 6
162.4 x 76.5 x 9.2 mm (6.39 x 3.01 x 0.36 in)
Weight
Cool 20
199.6 g (7.05 oz)
Cool 6
198 g (6.98 oz)
SIM
Cool 20
Nano-SIM + Nano-SIM
Cool 6
Nano-SIM + Nano-SIM
Type
Cool 20
IPS LCD
Cool 6
IPS LCD
Size
Cool 20
6.52 inches, 102.6 cm2 (~82.5% screen-to-body ratio)
Cool 6
6.53 inches, 104.7 cm2 (~84.3% screen-to-body ratio)
Resolution
Cool 20
720 x 1600 pixels, 20:9 ratio (~269 ppi density)
Cool 6
1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density)
OS
Cool 20
Android 11, CoolOS 2
Cool 6
Android 10
Chipset
Cool 20
Mediatek MT6769V/CU Helio G80 (12 nm)
Cool 6
Mediatek MT6771T Helio P70 (12 nm)
CPU
Cool 20
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
Cool 6
Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
GPU
Cool 20
Mali-G52 MP3
Cool 6
Mali-G72 MP3
Card slot
Cool 20
microSDXC (uses shared SIM slot)
Cool 6
microSDXC (uses shared SIM slot)
Internal
Cool 20
64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
Cool 6
64GB 4GB RAM, 128GB 6GB RAM
Dual
Cool 20
48 MP, f/1.8 (wide), PDAF Auxiliary lens
Cool 6
-
Features
Cool 20
LED flash, panorama, HDR
Cool 6
LED flash, panorama, HDR
Video
Cool 20
1080p@30fps
Cool 6
1080p@30fps
Triple
Cool 20
-
Cool 6
48 MP, (wide), 1/2.0", 0.8µm, PDAF 2 MP (macro) Auxiliary lens
Single
Cool 20
5 MP
Cool 6
Motorized pop-up 21 MP
Video
Cool 20
Yes
Cool 6
1080p@30fps
Loudspeaker
Cool 20
Yes
Cool 6
Yes
3.5mm jack
Cool 20
Yes
Cool 6
No
WLAN
Cool 20
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Cool 6
Yes
Bluetooth
Cool 20
5.0, A2DP, LE
Cool 6
Yes
Positioning
Cool 20
GPS, GLONASS, BDS, GALILEO, QZSS
Cool 6
GPS
NFC
Cool 20
No
Cool 6
No
Radio
Cool 20
No
Cool 6
FM radio
USB
Cool 20
USB Type-C 2.0, OTG
Cool 6
USB Type-C 2.0
Sensors
Cool 20
Accelerometer, proximity, compass
Cool 6
Fingerprint (rear-mounted), accelerometer, proximity, compass
Type
Cool 20
Li-Po 4500 mAh
Cool 6
Li-Po 4000 mAh
Colors
Cool 20
Black, Blue, White
Cool 6
Gray, Blue
Price
Cool 20
About 90 EUR
Cool 6
About 130 EUR