Samsung Galaxy M31 vs Samsung Galaxy M21 2021
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| PHONES | ||
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| Phone Names | Samsung Galaxy M31 | Samsung Galaxy M21 2021 |
| 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 / 1900 / 2100 |
| 4G bands | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 38, 40, 41, 66 | 1, 3, 5, 7, 8, 20, 38, 40, 41 |
| Speed | HSPA, LTE | HSPA, LTE |
| Technology | GSM / HSPA / LTE | GSM / HSPA / LTE |
| Launch | ||
|---|---|---|
| Announced | 2020, February 25. Released 2020, March 05 | 2021, July 21 |
| Status | Discontinued | Available. Released 2021, July 26 |
| Body | ||
|---|---|---|
| Build | Glass front (Gorilla Glass 3), plastic back, plastic frame | Glass front, plastic back, plastic frame |
| Dimensions | 159.2 x 75.1 x 8.9 mm (6.27 x 2.96 x 0.35 in) | 159 x 75.1 x 9 mm (6.26 x 2.96 x 0.35 in) |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Weight | 191 g (6.74 oz) | 192 g (6.77 oz) |
| Display | ||
|---|---|---|
| Protection | Corning Gorilla Glass 3 | - |
| Resolution | 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density) | 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density) |
| Size | 6.4 inches, 100.5 cm2 (~84.1% screen-to-body ratio) | 6.4 inches, 100.5 cm2 (~84.2% screen-to-body ratio) |
| Type | Super AMOLED, 420 nits (peak) | Super AMOLED, 420 nits (peak) |
| Platform | ||
|---|---|---|
| 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 (10 nm) | Exynos 9611 (10 nm) |
| GPU | Mali-G72 MP3 | Mali-G72 MP3 |
| OS | Android 10, upgradable to Android 12, One UI 4.1 | Android 11, One UI 3.1 Core |
| Memory | ||
|---|---|---|
| Card slot | microSDXC (dedicated slot) | microSDXC (dedicated slot) |
| Internal | 64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM | 64GB 4GB RAM, 128GB 6GB RAM |
| UFS 2.1 | - | |
| Main Camera | ||
|---|---|---|
| Features | LED flash, panorama, HDR | LED flash, panorama, HDR |
| Triple | 64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF 8 MP, f/2.2, 123˚ (ultrawide), 1/4.0", 1.12µm 5 MP (macro) Auxiliary lens | 48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 123˚ (ultrawide), 1/4.0", 1.12µm Auxiliary lens |
| Video | 4K@30fps, 1080p@30fps, gyro-EIS | 4K@30fps, 1080p@30fps, 720p@240fps, gyro-EIS |
| Selfie camera | ||
|---|---|---|
| Features | HDR | HDR |
| Single | 32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm | 20 MP, f/2.2, 26mm (wide) |
| Video | 4K@30fps, 1080p@30fps | 1080p@30fps |
| Sound | ||
|---|---|---|
| 3.5mm jack | Yes | Yes |
| 35mm jack | Yes | Yes |
| Loudspeaker | Yes | Yes |
| Comms | ||
|---|---|---|
| Bluetooth | 5.0, A2DP, LE | 5.0, A2DP, LE |
| NFC | Yes (market/region dependent) | Yes (market/region dependent) |
| Positioning | GPS, GLONASS, GALILEO, BDS | GPS, GLONASS, GALILEO, BDS |
| Radio | FM radio, RDS, recording | FM radio, RDS, recording |
| USB | USB Type-C 2.0 | USB Type-C 2.0 |
| 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, gyro, compass | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass |
| Virtual proximity sensing | - | |
| Battery | ||
|---|---|---|
| Charging | 15W wired | 15W wired |
| Type | Li-Po 6000 mAh | Li-Po 6000 mAh |
| Misc | ||
|---|---|---|
| Colors | Ocean Blue, Space Black, Red | Charcoal Black, Arctic Blue |
| Models | SM-M315F, SM-M315F/DS, SM-M315F/DSN | SM-M215G, SM-M215G/DS |
| Price | About 310 EUR | About 130 EUR |
| SAR | 0.52 W/kg (head) 0.69 W/kg (body) | 0.47 W/kg (head) |
| SAR EU | 0.48 W/kg (head) 1.13 W/kg (body) | - |
| Pricing | ||
|---|---|---|
| 128GB 6GB RAM | C$ 885.00 | - |
| RENEWED | £ 199.00 | - |