| Samsung Galaxy S6 (USA) |
Xiaomi Redmi Note 9 Pro |
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| Hardware and OS | Samsung Galaxy S6 (USA) | Xiaomi Redmi Note 9 Pro |
| Operating system | Android 5.0.2 (Lollipop), upgradable to 5.1 (Lollipop), TouchWiz UI | Android 10.0; MIUI 11 |
| Processor | Octa-core (4x2.1 GHz Cortex-A57 & 4x1.5 GHz Cortex-A53) | Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver) |
| Chipset | Exynos 7420 Octa (14 nm) | Qualcomm SM7125 Snapdragon 720G (8 nm) |
| GPU | Mali-T760MP8 | Adreno 618 |
| Internal memory | 32GB 3GB RAM, 64GB 3GB RAM, 128GB 3GB RAM | 64GB 4GB RAM, 128GB 6GB RAM |
| External memory | No | microSDXC (dedicated slot) |
| Display | Samsung Galaxy S6 (USA) | Xiaomi Redmi Note 9 Pro |
| Type | Super AMOLED | IPS LCD |
| Size | 5.1 inches, 71.7 cm2(~70.8% screen-to-body ratio) | 6.67" inc |
| Resolution | 1440 x 2560 pixels, 16:9 ratio | 1080 x 2400 px |
| Protection | Corning Gorilla Glass 4 | Corning Gorilla Glass 5 |
| Touchscreen | capacitive touchscreen | |
| Screen-to-Body Ratio | 84.5% | |
| Display area | 107.4 cm2 | |
| Display aspect ratio | 20:9 (height:width) | |
| Pixel Density | 395 PPI | |
| Colors | White Pearl, Black Sapphire, Gold Platinum | 16M |
| Other | 450 nits typ. brightness (advertised) | |
| Connectivity | Samsung Galaxy S6 (USA) | Xiaomi Redmi Note 9 Pro |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - G920V, G920P | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 - G920V | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | 2, 3, 4, 5, 7, 13 - G920V | LTE band 1(2100), 3(1800), 5(850), 8(900), 40(2300), 41(2500) |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | |
| 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) | |
| Infrared port | Yes | |
| Bluetooth | 4.1, A2DP, LE, aptX | 5.0, A2DP, LE |
| NFC | Yes | |
| Edge | Yes | |
| GPRS | Yes | |
| CDMA | CDMA 800 / 1900 - G920V, G920P, G920R | |
| GPS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS, GALILEO, BDS, NavIC |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A Cat6 300/50 Mbps, EV-DO Rev.A 3.1 Mbps | HSPA 42.2/5.76 Mbps, LTE-A |
| USB | microUSB 2.0, USB On-The-Go | 2.0, Type-C 1.0 reversible connector |
| Technology | GSM / CDMA / HSPA / EVDO / LTE | |
| Camera | Samsung Galaxy S6 (USA) | Xiaomi Redmi Note 9 Pro |
| Main camera | 48 MP, Quad | |
| Specs | 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, HDR, panorama | |
| Video | 2160p@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS | |
| Selfie camera | 16 MP, Single | |
| Main Camera | Samsung Galaxy S6 (USA) | Xiaomi Redmi Note 9 Pro |
| Camera | 16 MP, f/1.9, 28mm (wide), 1/2.6", 1.12??m, AF, OIS | |
| Features | LED flash, auto-HDR, panorama | |
| Video | 4K@30fps, 1080p@30/60fps, 720p@120fps, HDR, stereo sound rec., OIS, gyro-EIS | |
| Selfie camera | Samsung Galaxy S6 (USA) | Xiaomi Redmi Note 9 Pro |
| Camera | 5 MP, f/1.9, 22mm (wide) | |
| Features | Dual video call, Auto-HDR | |
| Video | 1440p@30fps | |
| Multimedia | Samsung Galaxy S6 (USA) | Xiaomi Redmi Note 9 Pro |
| 3.5 mm Jack | Yes | Yes |
| Radio | No | FM radio, recording |
| Multimedia | 24-bit/192kHz audio | |
| Loudspeaker | Yes | |
| Design | Samsung Galaxy S6 (USA) | Xiaomi Redmi Note 9 Pro |
| SIM | Nano-SIM | |
| Colors | Aurora Blue, Glacier White, Interstellar Black | |
| Body build | Glass front (Gorilla Glass 4), glass back (Gorilla Glass 4), aluminum frame | Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame |
| Dimensions | 143.5 x 70.6 x 6.9 mm (5.65 x 2.78 x 0.27 in) | 165.8 x 76.7 x 8.8 mm |
| Weight | 140 g (4.94 oz) | 209 g |
| Features | Samsung Galaxy S6 (USA) | Xiaomi Redmi Note 9 Pro |
| Sensors | Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, barometer, heart rate, SpO2 | |
| Battery | Samsung Galaxy S6 (USA) | Xiaomi Redmi Note 9 Pro |
| Battery capacity | 5020 mAh, Non-removable Li-Po | |
| Type | Li-Ion 2550 mAh, non-removable | |
| Charging | Fast charging 15W PMA wireless charging | |
| Talk time | Up to 23 h (3G) | |
| Other | Samsung Galaxy S6 (USA) | Xiaomi Redmi Note 9 Pro |
| Release date | 2020, March 12 | |
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass , Infrared port |
