| Samsung Galaxy M21 |
Samsung Galaxy M31s |
| Launch |
| Released |
| Mar, 2020 |
Aug, 2020 |
| Status |
| Available |
Available |
| Body & Operating System |
| Operating system |
| Android 10.0 |
Android 10 |
| UI |
| One UI 2 |
One UI 2.0 |
| Dimensions |
| 159 x 75.1 x 8.9 mm (6.26 x 2.96 x 0.35 in) |
159.3 x 74.4 x 9.3 mm (6.27 x 2.93 x 0.37 in) |
| Weight |
| 188 g |
203 g |
| Body |
| Glass front (Gorilla Glass 3), plastic back, plastic frame |
NA |
| Color Options |
| Midnight Blue, Raven Black |
Mirage Black, Mirage Blue |
| Display Specifications |
| Technology |
| Super AMOLED capacitive touchscreen, 16M colors |
Super AMOLED capacitive touchscreen, 16M colors |
| Size |
| 6.4 inches
|
6.5 inches |
| Resolution |
| 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density) |
1080 x 2400 pixels, 20:9 ratio (~405 ppi density |
| Protection |
| Corning Gorilla Glass 3 |
Corning Gorilla Glass 3 |
| Features |
| NA |
NA |
| Battery & Charging |
| Capacity |
| Non-removable Li-Po ,6000 mAh
|
Non-removable Li-Po ,6000 mAh
|
| Charging |
| Fast charging 15W |
Fast charging 25W
Reverse charging |
| Processing Power |
| CPU |
| Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) |
Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) |
| Chipset |
| Exynos 9611 (10nm) |
Exynos 9611 (10nm) |
| GPU |
| Mali-G72 MP3 |
Mali-G72 MP3 |
| Memory & Storage |
| Ram |
| 4/6GB RAM
|
6/8GB RAM
|
| Storage Memory |
| 64/128GB Built-in |
128GB Built-in |
| Memory Card |
| microSD, up to 256GB (dedicated slot) |
microSD, up to 1 TB (dedicated slot) |
| Cameras |
| Rear/Back |
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 64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF
12 MP, f/2.2, 123? (ultrawide)
5 MP, f/2.4, (macro)
5 MP, f/2.4, (depth)
|
| Features |
|
LED flash, panorama, HDR Video 2160p@30fps, 1080p@30fps, gyr -EIS Show more
|
LED flash, panorama, HDR Video 4K@30fps, 1080p@30fps, gyro-E S Show more
|
| Front |
20 MP, f/2.0, 26mm (wide)
HDR Video 1080p@30fps
|
32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm
HDR Video 4K@30fps, 1080p@30fps
|
| Features |
|
NA
|
NA |
|
|
| Network |
| SIM |
| Dual SIM (Nano-SIM, dual stand-by) |
Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by) |
| Data |
| GSM / HSPA / LTE |
GSM / HSPA / LTE |
| 2G Bands |
SIM 1: GSM 850 / 900 / 1800 / 1900
SIM 2: GSM 850 / 900 / 1800 / 1900 |
SIM 1: GSM 850 / 900 / 1800 / 1900
SIM 2: GSM 850 / 900 / 1800 / 1900 - (Dual SIM model only)
|
| 3G Bands |
| HSDPA 850 / 900 / 1900 / 2100 |
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Bands |
| LTE band 1(2100), 3(1800),... |
LTE band 1(2100), 2(1900),... |
| 5G Bands |
|
NO |
NO
|
| 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, USB On-The-Go |
| NFC |
| No |
Yes |
| Additional Features |
| Sensors |
| Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass |
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass |
| Extra |
| FM radio, RDS, recording |
FM radio, RDS, recording |
| Pricing |
| Price |
|
USD $176
|
USD $271
|
| Resale Value |
| Very High |
Very High |
| Comparison Result |
| Score |
| 2 Point(s) |
5 Point(s) |
|
Save Comparison
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Samsung Galaxy M21
Samsung Galaxy M31s