Redmi Note 9 vs Samsung Galaxy A20
| Type | Touch | Touch |
| Dimensions | 162.30 x 77.20 x 8.90 mm | 158.40 x 74.70 x 7.80 mm |
| Weight | 199.00 g | 169.00 g |
| Display size | 6.53" | 6.40" |
| Display | Color / IPS TFT 16M colors 1080 x 2340 px (6.53") 395 ppi | Color / Super AMOLED 16M colors 720 x 1560 px (6.40") 268 ppi |
| Display protection | Corning Gorilla Glass Buy screen protector
| |
| Additional display | ||
| Protection of the secondary display | ||
| Talk time (max.) | 3G: 1980 min. (33.0 h) | 3G: 1560 min. (26.0 h) |
| Playback time (max.) | Audio: 147 h (6.1 days) | Audio: 82 h (3.4 days) Video: 21 h (0.9 days) |
| Internet browsing time (max.) | nd | WiFi: 13 h (0.5 days) 3G: 12 h (0.5 days) 4G: 13 h (0.5 days) |
| Standard battery | Li-Ion 5020 mAhBuy powerbank
| Li-Ion 4000 mAhBuy powerbank
|
| Quick battery charging | ||
| Wireless battery charging | ||
| Internal memory | 64 GB, 128 GB | 32 GB |
| End-user memory | 21.7 GB | |
| RAM memory | 3 GB, 4 GB, 6 GB | 3 GB |
| Memory cards | microSD, microSDHC, microSDXC | microSD, microSDHC, microSDXC up to 512 GBBuy memory card |
| Operating system | Android 10 | Android 9.0 Pie |
| Interface | MIUI 11 | - |
| Processor | MediaTek Helio G85 MT6769V | Samsung Exynos 7884 |
| Processor clock | 2000 MHz | 1600 MHz |
| GPU | ARM Mali-G52 MC2 @1 GHz | - |
| Touchscreen | ||
| DualSIM | ||
| SIM cards standard | DualSIM(nanoSIM, nanoSIM) | |
| DualSIM mode | dual standby | nd |
| Hybrid DualSIM | nd | |
| Announced | 2Q 2020 | 1Q 2019 |
| Other names | Xiaomi Redmi Note 9 | SM-A205F |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 850 900 1700 1900 2100 | 850 900 1900 2100 |
| LTE standard | FDD LTE: 2600, 2100, 1900, 1800, 1700, 900, 850, 800, 700 TDD LTE: 2600, 2500, 2300 | FDD LTE: 2600, 2100, 1800, 900, 850, 800 TDD LTE: 2600, 2500, 2300 |
| Standard 5G | ||
| CDMA | ||
| Standard TD-SCDMA | ||
| UMA |

