| Microsoft Surface Duo 2 |
Xiaomi Redmi Note 8 |
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| Hardware and OS | Microsoft Surface Duo 2 | Xiaomi Redmi Note 8 |
| Operating system | Android 11 | Android 9.0 (Pie); MIUI 10 |
| Processor | Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680) | Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) |
| Chipset | Qualcomm SM8350 Snapdragon 888 5G (5 nm) | Qualcomm SDM665 Snapdragon 665 (11 nm) |
| GPU | Adreno 660 | Adreno 610 |
| Internal memory | 128GB 8GB RAM, 256GB 8GB RAM, 512GB 8GB RAM | 32GB 3GB RAM, 64GB 4GB RAM, 64GB 6GB RAM, 128GB 4GB RAM, 128GB 6GB RAM |
| External memory | No | microSD, up to 256 GB (dedicated slot) |
| Display | Microsoft Surface Duo 2 | Xiaomi Redmi Note 8 |
| Type | AMOLED, 90Hz, HDR, 800 nits (peak) | IPS LCD |
| Size | 8.3 inches, 204.0 cm2 | 6.3" inc |
| Resolution | 1892 x 2688 pixels | 1080 x 2340 px |
| Protection | Corning Gorilla Glass Victus | 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 | Microsoft Surface Duo 2 | Xiaomi Redmi Note 8 |
| Camera | 12 MP, f/1.7, 27mm (wide), 1.4µm, dual pixel PDAF, OIS 12 MP, f/2.4, 51mm (telephoto), 1.0µm, PDAF, OIS, 2x optical zoom 16 MP, f/2.2, 13mm (ultrawide), 1.0µm TOF 3D, (depth) | |
| Features | Dual-LED dual-tone flash, HDR, panorama | |
| Video | 4K@30/60fps, 1080p@30/60/120/240fps, gyro-EIS, HDR | |
| Selfie camera | Microsoft Surface Duo 2 | Xiaomi Redmi Note 8 |
| Camera | 12 MP, f/2.0, 24mm (wide), 1.0µm | |
| Video | 1080p@30fps | |
| Connectivity | Microsoft Surface Duo 2 | Xiaomi Redmi Note 8 |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 2100 |
| 4G Network | 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 42, 46, 48, 66, 71 | 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 | |
| 5G Network | 1, 2, 3, 5, 7, 20, 25, 28, 38, 41, 66, 71, 77, 78, 79 SA/NSA/Sub6 - International | |
| SIM card | Dual SIM (Nano-SIM, dual stand-by) | |
| Bluetooth | 5.1, A2DP, LE, aptX Adaptive | 4.2, A2DP, LE |
| CDMA | 1, 2, 3, 5, 7, 20, 25, 28, 38, 41, 66, 71, 77, 78, 79, 257, 260, 261 SA/NSA/Sub6/mmWave - USA | |
| Edge | Yes | |
| GPRS | Yes | |
| NFC | Yes | |
| GPS | Yes, with A-GPS, GLONASS, GALILEO, QZSS, BDS | Yes, with A-GPS, GLONASS, BDS |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A (5CA) Cat20 2000/150 Mbps, 5G 6 Gbps DL | HSPA 42.2/11.5 Mbps, LTE-A |
| Technology | GSM / HSPA / LTE / 5G | |
| USB | USB Type-C 3.2, DisplayPort | 2.0, Type-C 1.0 reversible connector, USB On-The-Go |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot | |
| Camera | Microsoft Surface Duo 2 | 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 | Microsoft Surface Duo 2 | Xiaomi Redmi Note 8 |
| Loudspeaker | Yes, with stereo speakers | |
| 3.5 mm Jack | No | Yes |
| Radio | No | FM radio |
| Design | Microsoft Surface Duo 2 | Xiaomi Redmi Note 8 |
| Body | Stylus support | |
| Colors | Glacier, Obsidian | Neptune Blue, Moonlight White, Space Black |
| Body build | Glass front (Gorilla Glass Victus), glass back (Gorilla Glass) | Front/back glass (Gorilla Glass 5) |
| SIM | Nano-SIM, eSIM | |
| Dimensions | Unfolded: 184.5 x 145.2 x 5.5 mm Folded: 145.2 x 92.1 x 11 mm | 158.3 x 75.3 x 8.4 mm |
| Weight | 284 g (10.02 oz) | 190 g |
| Features | Microsoft Surface Duo 2 | Xiaomi Redmi Note 8 |
| Sensors | Fingerprint (side-mounted), dual accelerometer, dual gyro, dual proximity, dual compass | |
| Battery | Microsoft Surface Duo 2 | Xiaomi Redmi Note 8 |
| Type | Li-Po 4449 mAh, non-removable | |
| Charging | Fast charging 23W | |
| Battery capacity | 4000 mAh, Non-removable Li-Po | |
| Other | Microsoft Surface Duo 2 | 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 |
