| Samsung Galaxy M21 |
Xiaomi Redmi Note 9S |
| Build |
| Operating system |
| Android 10.0 |
Android 10.0 |
| Dimensions |
| 159 x 75.1 x 8.9 mm (6.26 x 2.96 x 0.35 in) |
165.8 x 76.7 x 8.8 mm (6.53 x 3.02 x 0.35 in) |
| Weight |
| 188 g |
209 g |
| SIM |
| Dual SIM (Nano-SIM, dual stand-by) |
Dual SIM (Nano-SIM, dual stand-by) Splash-proof |
| Colors |
| Midnight Blue, Raven Black |
Aurora Blue, Glacier White, Interstellar Gray |
| Launch |
| Released |
| Mar, 2020 |
Apr, 2020 |
| Status |
| Available |
Available |
| Frequency |
| Data |
| GSM / HSPA / LTE |
GSM / HSPA / LTE |
| 2G Band |
| GSM 850 / 900 / 1800 / 1900,GSM 850 / 900 / 1800 / 1900 |
GSM 850 / 900 / 1800 / 1900,GSM 850 / 900 / 1800 / 1900 |
| 3G Band |
| HSDPA 850 / 900 / 1900 / 2100 |
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Band |
| LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500) |
LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 28(700), 38(2600), 40(2300) |
| 5G Band |
|
NA |
NA
|
| Processor |
| CPU |
| Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) |
Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver) |
| Chipset |
| Exynos 9611 (10nm) |
Qualcomm SM7125 Snapdragon 720G (8 nm) |
| GPU |
| Mali-G72 MP3 |
Adreno 618 |
| DISPLAY |
| Technology |
| Super AMOLED capacitive touchscreen, 16M colors |
IPS LCD capacitive touchscreen, 16M colors |
| Size |
| 6.4 inches |
6.67 inches |
| Resolution |
| 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density) |
1080 x 2400 pixels, 20:9 ratio (~395 ppi density) |
| Protection |
| Corning Gorilla Glass 3 |
Corning Gorilla Glass 5 450 nits typ. brightness |
| Extra Features |
| NA |
NA |
| Memory |
| Ram |
| 4/6GB RAM |
4/6GB RAM |
| Storage Memory |
| 64/128GB Built-in |
64/128GB Built-in |
| Memory Card |
| microSD, up to 256GB (dedicated slot) |
microSD, up to 256GB (dedicated slot) |
| Camera |
| Main |
Triple 48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm
5 MP, f/2.2, (depth) |
Quad 48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm
5 MP, f/2.4, (macro), 1.12µm
2 MP, f/2.4, (depth) |
| Features |
| LED flash, panorama, HDR Video 2160p@30fps, 1080p@30fps, gyro-EIS |
LED flash, HDR, panorama Video 2160p@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS |
| Front |
20 MP, f/2.0, 26mm (wide)
HDR Video 1080p@30fps |
16 MP, f/2.5, (wide), 1.0µm
HDR, panorama Video 1080p@30fps |
| Connectivity |
| WLAN (WIFI) |
| Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| Bluetooth |
| 5.0, A2DP, LE |
5.0, A2DP, LE |
| GPS |
| Yes, with A-GPS, GLONASS, BDS |
Yes, with A-GPS, GLONASS, GALILEO, BDS |
| USB |
| 2.0, Type-C 1.0 reversible connector |
2.0, Type-C 1.0 reversible connector |
| NFC |
| No |
No |
| Features |
| Sensors |
| Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass |
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass |
| Torch |
| Yes |
Yes |
| Extra |
| FM radio, RDS, recording |
Infrared port, FM radio, recording |
| Battery |
| Capacity |
| Non-removable Li-Po ,6000 mAh |
Non-removable Li-Po, 5020 mAh |
| Charging |
| Fast charging 15W |
Fast charging 18W |
| Pricing |
| Price |
|
USD $176
|
USD $198
|
| Comparison Result
|
| Result |
| 4 Greens |
2 Greens |
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