Xiaomi Redmi 9 vs Coolpad Cool 20
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| PHONES | ||
|---|---|---|
| Phone Names | Xiaomi Redmi 9 | Coolpad Cool 20 |
| Network | ||
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 2100 |
| 4G bands | 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41 | 1, 3, 5, 8, 34, 39, 40, 41 |
| Speed | HSPA, LTE | HSPA, LTE |
| Technology | GSM / HSPA / LTE | GSM / CDMA / HSPA / CDMA2000 / LTE |
| - | CDMA2000 1x | |
| Launch | ||
|---|---|---|
| Announced | 2020, June 10 | 2021, May 26. Released 2021, June 01 |
| Status | Available. Released 2020, June 10 | Discontinued |
| Body | ||
|---|---|---|
| Build | Glass front (Gorilla Glass 3), plastic back, plastic frame | - |
| Dimensions | 163.3 x 77 x 9.1 mm (6.43 x 3.03 x 0.36 in) | 164.3 x 75.7 x 8.7 mm (6.47 x 2.98 x 0.34 in) |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Weight | 198 g (6.98 oz) | 199.6 g (7.05 oz) |
| Display | ||
|---|---|---|
| Protection | Corning Gorilla Glass 3 | - |
| Resolution | 1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density) | 720 x 1600 pixels, 20:9 ratio (~269 ppi density) |
| Size | 6.53 inches, 104.7 cm2 (~83.2% screen-to-body ratio) | 6.52 inches, 102.6 cm2 (~82.5% screen-to-body ratio) |
| Type | IPS LCD, 400 nits (typ) | IPS LCD |
| Platform | ||
|---|---|---|
| CPU | Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) | Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) |
| Chipset | Mediatek MT6769V/CU Helio G80 (12 nm) | Mediatek MT6769V/CU Helio G80 (12 nm) |
| GPU | Mali-G52 MC2 | Mali-G52 MP3 |
| OS | Android 10, upgradable to Android 12, MIUI 13 | Android 11, CoolOS 2 |
| Memory | ||
|---|---|---|
| Card slot | microSDXC (dedicated slot) | microSDXC (uses shared SIM slot) |
| Internal | 32GB 3GB RAM, 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM | 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM |
| eMMC 5.1 | - | |
| Main Camera | ||
|---|---|---|
| Dual | - | 48 MP, f/1.8 (wide), PDAF Auxiliary lens |
| Features | LED flash, HDR, panorama | LED flash, panorama, HDR |
| 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 | - |
| Single | - | 5 MP |
| Video | 1080p@30fps | 1080p@30fps |
| Selfie camera | ||
|---|---|---|
| Features | HDR | - |
| Single | 8 MP, f/2.0, 27mm (wide), 1/4.0", 1.12µm | 5 MP |
| Video | 1080p@30fps | Yes |
| Sound | ||
|---|---|---|
| 3.5mm jack | Yes | Yes |
| 35mm jack | Yes | Yes |
| Loudspeaker | Yes | Yes |
| Comms | ||
|---|---|---|
| Bluetooth | 5.0, A2DP, LE | 5.0, A2DP, LE |
| Infrared port | Yes | - |
| NFC | Yes (market/region dependent) | No |
| Positioning | GPS, GLONASS, BDS | GPS, GLONASS, BDS, GALILEO, QZSS |
| Radio | Wireless FM radio (no wired headphones required) | No |
| USB | USB Type-C 2.0, OTG | USB Type-C 2.0, OTG |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
| Features | ||
|---|---|---|
| Sensors | Fingerprint (rear-mounted), accelerometer, proximity, compass | Accelerometer, proximity, compass |
| Battery | ||
|---|---|---|
| Charging | 18W wired | - |
| Type | Li-Po 5020 mAh | Li-Po 4500 mAh |
| Misc | ||
|---|---|---|
| Colors | Carbon Gray, Sunset Purple, Ocean Green, Pink/Blue | Black, Blue, White |
| Models | M2004J19G, M2004J19C | - |
| Price | $ 105.77 / £ 196.62 / € 115.51 | About 90 EUR |
| 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) | - |