| Samsung Galaxy M21s |
Xiaomi Redmi Note 8 |
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| Hardware and OS | Samsung Galaxy M21s | Xiaomi Redmi Note 8 |
| Operating system | Android 10, One UI 2.5 | Android 9.0 (Pie); MIUI 10 |
| Processor | Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) | Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) |
| Chipset | Exynos 9611 (10nm) | Qualcomm SDM665 Snapdragon 665 (11 nm) |
| GPU | Mali-G72 MP3 | Adreno 610 |
| Internal memory | 64GB 4GB RAM, 128GB 6GB RAM | 32GB 3GB RAM, 64GB 4GB RAM, 64GB 6GB RAM, 128GB 4GB RAM, 128GB 6GB RAM |
| External memory | microSDXC (dedicated slot) | microSD, up to 256 GB (dedicated slot) |
| Display | Samsung Galaxy M21s | Xiaomi Redmi Note 8 |
| Type | Super AMOLED, 420 nits (peak) | IPS LCD |
| Size | 6.4 inches, 100.5 cm2 | 6.3" inc |
| Resolution | 1080 x 2340 pixels, 19.5:9 ratio | 1080 x 2340 px |
| Protection | Corning Gorilla Glass 3 | Corning Gorilla Glass 5 |
| Touchscreen | capacitive touchscreen | |
| Screen-to-Body Ratio | 81.7% | |
| Display area | 97.4 cm2 | |
| Display aspect ratio | 19.5:9 (height:width) | |
| Pixel Density | 409 PPI | |
| Colors | 16M | |
| Main Camera | Samsung Galaxy M21s | Xiaomi Redmi Note 8 |
| Camera | 64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF 8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm 5 MP, f/2.2, (depth) | |
| Features | LED flash, panorama, HDR | |
| Video | 4K@30fps, 1080p@30fps, gyro-EIS | |
| Selfie camera | Samsung Galaxy M21s | Xiaomi Redmi Note 8 |
| Camera | 32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm | |
| Features | HDR | |
| Video | 1080p@30fps | |
| Connectivity | Samsung Galaxy M21s | Xiaomi Redmi Note 8 |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 2100 |
| 4G Network | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 38, 40, 41, 66 | LTE band 1(2100), 3(1800), 5(850), 8(900), 38(2600), 40(2300), 41(2500) |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | |
| Network | GSM / HSPA / LTE | |
| SIM card | Dual SIM (Nano-SIM, dual stand-by) | |
| Bluetooth | 5.0, A2DP, LE | 4.2, A2DP, LE |
| Edge | Yes | |
| NFC | No | |
| GPRS | Yes | |
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS, GLONASS, BDS |
| Technology | GSM / HSPA / LTE | |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A | HSPA 42.2/11.5 Mbps, LTE-A |
| USB | USB Type-C 2.0 | 2.0, Type-C 1.0 reversible connector, USB On-The-Go |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | |
| Camera | Samsung Galaxy M21s | Xiaomi Redmi Note 8 |
| Main camera | 48 MP, Quad | |
| Specs | 48 MP, f/1.8, 26mm (wide), 1/2", 0.8µm, PDAF -8 MP, f/2.2, 13mm (ultrawide), 1/4", 1.12µm -2 MP, f/2.4, 1/5", 1.75µm (dedicated macro camera) -2 MP, f/2.4, 1/5", 1.75µm, depth sensor | |
| Features | LED flash, HDR, panorama | |
| Video | 2160p@30fps, 1080p@30/60/120fps, gyro-EIS | |
| Selfie camera | 13 MP, Single | |
| Multimedia | Samsung Galaxy M21s | Xiaomi Redmi Note 8 |
| Loudspeaker | Yes | |
| 3.5 mm Jack | Yes | Yes |
| Radio | FM radio | FM radio |
| Design | Samsung Galaxy M21s | Xiaomi Redmi Note 8 |
| SIM | Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by) | |
| Colors | Blue, Black | Neptune Blue, Moonlight White, Space Black |
| Body build | Glass front (Gorilla Glass 3), plastic back, plastic frame | Front/back glass (Gorilla Glass 5) |
| Dimensions | 159.2 x 75.1 x 8.9 mm (6.27 x 2.96 x 0.35 in) | 158.3 x 75.3 x 8.4 mm |
| Weight | 191 g (6.74 oz) | 190 g |
| Features | Samsung Galaxy M21s | Xiaomi Redmi Note 8 |
| Sensors | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass | |
| Battery | Samsung Galaxy M21s | Xiaomi Redmi Note 8 |
| Type | Li-Po 6000 mAh, non-removable | |
| Charging | Fast charging 15W | |
| Battery capacity | 4000 mAh, Non-removable Li-Po | |
| Other | Samsung Galaxy M21s | Xiaomi Redmi Note 8 |
| SAR | SAR - 0.26 W/kg (head) 1.00 W/kg (body) SAR EU - 0.26 W/kg (head) 1.00 W/kg (body) | |
| Release date | 2019, August | |
| Sensors | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass , Infrared port |
