Microsoft Surface Duo 2 vs Xiaomi Redmi Note 7S
Microsoft Surface Duo 2
Xiaomi Redmi Note 7S
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 1900, 2100HSDPA 850, 900, 1900, 2100
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4G networkLTE frequency band 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, 71LTE frequency band 1(2100), 3(1800), 5(850), 8(900), 40(2300), 41(2500)
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5G network5G band 1, 2, 3, 5, 7, 20, 25, 28, 38, 41, 66, 71, 77, 78, 79 SA/NSA/Sub6 - global; 1, 2, 3, 5, 7, 20, 25, 28, 38, 41, 66, 71, 77, 78, 79, 257, 260, 261 SA/NSA/Sub6/mmWave - USA-
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HSDPA speed42.2 Mbps42 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE speedLTE-A (5CA) Cat20, 2000 Mbps download, 150 Mbps uploadLTE Cat 18, 1.2 Gbps download, 221 Mbps upload
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5G speed6 Gbps download-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2021-092019-5
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Status2021-102019-5
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Design
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BuildGlass front (Gorilla Glass Victus), glass back (Gorilla Glass)Glass, plastic
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SIMNano-SIM, eSIMDual SIM (Nano-SIM/microSD)
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Height145.2 mm159.21 mm
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Width93.1 mm75.21 mm
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Thickness11 mm8.1 mm
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Height unfolded184.5 mm-
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Width unfolded145.2 mm-
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Thickness unfolded5.5 mm-
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Weight284 g186 g
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StylusYes-
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ColorsGlacier, ObsidianBlack, Blue, Red
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Display
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Display typeAMOLED capacitive touchscreenIPS capacitive touchscreen
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Physical size8.3 inches6.3 inches
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Resolution1892 x 2588 pixels1080 x 2340 pixels
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Pixel density401 ppi409 ppi
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Display colors1677721616777216
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ProtectionCorning Gorilla Glass Victus2.5D curved glass screen, Scratch resistant, Corning Gorilla Glass 5, LTPS (Low Temperature PolySilicon)
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Multitouch-Yes
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Display features90Hz, HDR, 800 nits (peak)-
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Cover displayAMOLED capacitive touchscreen-
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Cover display physical size5.8 inches-
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Cover display resolution1344 x 1892 pixels-
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Hardware
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CPUOcta-coreOcta-core
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CPUSingle-core 2.84 GHz Kryo 680Quad-core 2.2 GHz Kryo 260
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CPU(second)Triple-core 2.42 GHz Kryo 680quad-core 1.84 GHz Kryo 260
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CPU(third)Quad-core 1.80 GHz Kryo 680
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ChipsetQualcomm SM8350 Snapdragon 888 5GQualcomm Snapdragon 660 MSM8976 Plus
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GPUAdreno 660Adreno 512
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Memory RAM8 GB3, 4 GB
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Internal storage128, 256, 512 GB32, 64 GB
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Memory cardNomicroSD, microSDHC, microSDXC
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Memory card max-256 GB
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StorageUFSeMMC 5.1
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OS
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OSAndroid 11MIUI V10.2 (Android 9.0 Pie)
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Main camera
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Camera typeTripleDual
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Main camera(wide) , 12 MP, f/1.7 , 27 mm, 1.4 µm48 MP, f/1.8 , 0.8 µm, 1/2"
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(telephoto) , 12 MP, f/2.4 , 51 mm, 1.0 µm, 2x optical zoom5 MP, f/2.2 , 1.12 µm
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(ultrawide) , 13 MP, f/2.2 , 1.0 µm
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Primary camera resolution-8000 x 6000 pixels
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Primary camera video4K@30/60fps, 1080p@30/60/120/240fps, gyro-EIS, HDR1080p@120fps
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Primary camera flash-dual LED flash
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Camera featuresAutofocus, continuous shooting, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-mode, phase detection autofocusAutofocus, continuous shooting, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, RAW, phase detection
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Selfie camera
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Selfie camera typeSingle-
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Selfie camera(wide) , 12 MP, f/2.0 , 24 mm, 1.0 µm13 MP, f/2 , 28 mm, 1.124 µm, 0.23"
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Selfie camera resolution-4224 x 3136 pixels
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Selfie camera video1080p@30fps1080p@30fps
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Sound
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3.5mm jack-Yes
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LoudspeakerYes, with stereo speakersYes
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Earpiece-Yes
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Multimedia
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RadioNoYes
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11axWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
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WLAN WiFi HotspotWi-Fi hotspotYes
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WLAN WiFi DirectWi-Fi directYes
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Wi-Fi display-Yes
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WLAN WiFi Dual BandDual-bandYes
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USBType-C 3.2, DisplayPortType-C reversible connector
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USB On-The-Go-Yes
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Bluetoothv5.1v5.0
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Bluetooth A2DPA2DPYes
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bluetooth LELEYes
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Bluetooth AptXaptX Adaptive-
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Infrared-Yes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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Beidou-Yes
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Features
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SensorsDual accelerometer, dual compass, fingerprint, dual gyroscope, dual proximityAccelerometer, compass, fingerprint, gyroscope, light, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-PoLi-Po
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Battery capacity4449 mAh4000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYes, 23WQualcomm Quick Charge 4.0
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Talk time 2G-23 h
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Talk time 3G-23 h
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Talk time 4G28 h-
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Standby time 2G-251 h
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Standby time 3G-251 h
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Tests and performance
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Antutu750000 (v9)-
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Geekbench(single-core)1091 (v5.4)-
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Geekbench(multi-core)3517 (v5.4)-
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Cost
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Price1900 USD-