Coolpad Cool 20 vs Xiaomi Redmi 9

Phones Images
PHONES
Phone Names Coolpad Cool 20 Xiaomi Redmi 9
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 3, 5, 8, 34, 39, 40, 411, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41
SpeedHSPA, LTEHSPA, LTE
TechnologyGSM / CDMA / HSPA / CDMA2000 / LTEGSM / HSPA / LTE
 CDMA2000 1x -
Launch
Announced2021, May 26. Released 2021, June 012020, June 10
StatusDiscontinuedAvailable. Released 2020, June 10
Body
Build-Glass front (Gorilla Glass 3), plastic back, plastic frame
Dimensions164.3 x 75.7 x 8.7 mm (6.47 x 2.98 x 0.34 in)163.3 x 77 x 9.1 mm (6.43 x 3.03 x 0.36 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight199.6 g (7.05 oz)198 g (6.98 oz)
Display
Protection-Corning Gorilla Glass 3
Resolution720 x 1600 pixels, 20:9 ratio (~269 ppi density)1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density)
Size6.52 inches, 102.6 cm2 (~82.5% screen-to-body ratio)6.53 inches, 104.7 cm2 (~83.2% screen-to-body ratio)
TypeIPS LCDIPS LCD, 400 nits (typ)
Platform
CPUOcta-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
ChipsetMediatek MT6769V/CU Helio G80 (12 nm)Mediatek MT6769V/CU Helio G80 (12 nm)
GPUMali-G52 MP3Mali-G52 MC2
OSAndroid 11, CoolOS 2Android 10, upgradable to Android 12, MIUI 13
Memory
Card slotmicroSDXC (uses shared SIM slot)microSDXC (dedicated slot)
Internal64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM32GB 3GB RAM, 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
 -eMMC 5.1
Main Camera
Dual48 MP, f/1.8 (wide), PDAF Auxiliary lens-
FeaturesLED flash, panorama, HDRLED flash, HDR, panorama
Quad-13 MP, f/2.2, 28mm (wide), 1/3.1", 1.12µm, PDAF 8 MP, f/2.2, 118˚ (ultrawide), 1/4.0", 1.12µm 5 MP (macro) Auxiliary lens
Single5 MP-
Video1080p@30fps1080p@30fps
Selfie camera
Features-HDR
Single5 MP8 MP, f/2.0, 27mm (wide), 1/4.0", 1.12µm
VideoYes1080p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth5.0, A2DP, LE5.0, A2DP, LE
Infrared port-Yes
NFCNoYes (market/region dependent)
PositioningGPS, GLONASS, BDS, GALILEO, QZSSGPS, GLONASS, BDS
RadioNoWireless FM radio (no wired headphones required)
USBUSB Type-C 2.0, OTGUSB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Features
SensorsAccelerometer, proximity, compassFingerprint (rear-mounted), accelerometer, proximity, compass
Battery
Charging-18W wired
TypeLi-Po 4500 mAhLi-Po 5020 mAh
Misc
ColorsBlack, Blue, WhiteCarbon Gray, Sunset Purple, Ocean Green, Pink/Blue
Models-M2004J19G, M2004J19C
PriceAbout 90 EUR$ 105.77 / £ 196.62 / € 115.51
SAR-0.91 W/kg (head)     1.00 W/kg (body)
SAR EU-0.71 W/kg (head)     1.06 W/kg (body)
Tests
Battery life-Endurance rating 131h
Camera- Photo / Video
Display- Contrast ratio: 1624:1 (nominal)
Loudspeaker- -26.9 LUFS (Good)
Performance- AnTuTu: 201829 (v8) GeekBench: 1325 (v5.1)
OUR TESTS
Battery (old)-Endurance rating 131h
Camera-Photo / Video
Display-1624:1 contrast ratio, 328 nits max brightness (measured)
Loudspeaker--26.9 LUFS (Good)
Performance-AnTuTu: 201829 (v8) GeekBench: 1325 (v5.1)