| Samsung Galaxy A51 |
Xiaomi Redmi Note 9 Pro |
||||
 |
VS |
 |
|||
|
|||||
| Hardware and OS | Samsung Galaxy A51 | Xiaomi Redmi Note 9 Pro |
| Operating system | Android 10.0; One UI 2 | Android 10.0; MIUI 11 |
| Processor | 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 |
| Internal memory | 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM | 64GB 4GB RAM, 128GB 6GB RAM |
| External memory | microSD, up to 1 TB (dedicated slot) | microSDXC (dedicated slot) |
| Display | Samsung Galaxy A51 | Xiaomi Redmi Note 9 Pro |
| Type | Super AMOLED | IPS LCD |
| Size | 6.5" inc | 6.67" inc |
| Resolution | 1080 x 2400 px | 1080 x 2400 px |
| Protection | Corning Gorilla Glass 3 | Corning Gorilla Glass 5 |
| Touchscreen | capacitive touchscreen | capacitive touchscreen |
| Screen-to-Body Ratio | 87.4% | 84.5% |
| Display area | 102.0 cm2 | 107.4 cm2 |
| Display aspect ratio | 20:9 (height:width) | 20:9 (height:width) |
| Pixel Density | 405 PPI | 395 PPI |
| Colors | 16M | 16M |
| Other | 450 nits typ. brightness (advertised) | |
| Connectivity | Samsung Galaxy A51 | Xiaomi Redmi Note 9 Pro |
| 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 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | LTE (unspecified) | LTE band 1(2100), 3(1800), 5(850), 8(900), 40(2300), 41(2500) |
| Wi-Fi | 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 |
| Network | GSM / HSPA / LTE | GSM / HSPA / LTE |
| SIM card | Single SIM (Nano-SIM)Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) |
| Bluetooth | 5.0, A2DP, LE | 5.0, A2DP, LE |
| Edge | Yes | Yes |
| GPRS | Yes | Yes |
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS, GLONASS, GALILEO, BDS, NavIC |
| NFC | Yes | |
| Speed | HSPA, LTE-A | HSPA 42.2/5.76 Mbps, LTE-A |
| USB | 2.0, Type-C 1.0 reversible connector, USB On-The-Go | 2.0, Type-C 1.0 reversible connector |
| Camera | Samsung Galaxy A51 | Xiaomi Redmi Note 9 Pro |
| Main camera | 48 MP, Quad | 48 MP, Quad |
| Specs | 48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF -12 MP, f/2.2, 12mm (ultrawide) -5 MP, f/2.4, 25mm (macro), 1/5.0", 1.12µm -5 MP, f/2.2, 1/5.0", 1.12µm, depth sensor | 48 MP, f/1.8, (wide), 1/2.25", 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 | LED flash, HDR, panorama |
| Video | 2160p@30fps, 1080p@30/120fps; gyro-EIS | 2160p@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS |
| Selfie camera | 32 MP, Single | 16 MP, Single |
| Multimedia | Samsung Galaxy A51 | Xiaomi Redmi Note 9 Pro |
| 3.5 mm Jack | Yes | Yes |
| Radio | FM radio | FM radio, recording |
| Design | Samsung Galaxy A51 | Xiaomi Redmi Note 9 Pro |
| Colors | Prism Crush Black, White, Blue, Pink | Aurora Blue, Glacier White, Interstellar Black |
| Body build | Glass front (Gorilla Glass 3), plastic back, plastic frame | Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame |
| Dimensions | 158.5 x 73.6 x 7.9 mm | 165.8 x 76.7 x 8.8 mm |
| Weight | 172 g | 209 g |
| Battery | Samsung Galaxy A51 | Xiaomi Redmi Note 9 Pro |
| Battery capacity | 4000 mAh, Non-removable Li-Po | 5020 mAh, Non-removable Li-Po |
| Battery life | Talking time- Up to 32 h (3G) Music play - Up to 87 h | |
| Other | Samsung Galaxy A51 | Xiaomi Redmi Note 9 Pro |
| SAR | SAR - 0.80 W/kg (head) 0.67 W/kg (body) SAR EU - 0.37 W/kg (head) 1.59 W/kg (body) | |
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass , Infrared port | |
| Release date | 2019, December | 2020, March 12 |
