Microsoft Surface Duo vs Nokia C21
Microsoft Surface Duo
Nokia C21
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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, 2100 - global version; 850, 900, 1700(AWS), 1900, 2100 - LATAM, Brazil
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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, 46, 66LTE frequency band 1, 5, 7, 8, 20
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HSDPA speed42.2 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE speedLTE-A (CA) Cat18, 1200 Mbps download, 100 Mbps uploadLTE, Cat4, 150 Mbps download, 50 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2020-082022-02
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Status2020-082022-03
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Design
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BuildGlass front (Gorilla Glass 5), glass back (Gorilla Glass 5)Glass front, aluminum frame, plastic back
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SIMNano-SIM, eSIMSingle SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
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Height145.2 mm169.9 mm
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Width93.3 mm77.9 mm
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Thickness9.9 mm8.8 mm
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Height unfolded186.9 mm-
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Width unfolded145.2 mm-
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Thickness unfolded4.8 mm-
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Weight250 g195 g
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StylusYes-
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ColorsWhiteBlue, Gray
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Display
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Display typeAMOLED capacitive touchscreenIPS LCD
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Physical size8.1 inches6.52 inches
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Resolution1800 x 2700 pixels720 x 1600 pixels
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Pixel density401 ppi269 ppi
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Display colors1677721616777216
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ProtectionCorning Gorilla Glass 5-
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Cover displayAMOLED capacitive touchscreen-
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Cover display physical size5.6 inches-
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Cover display resolution1350 x 1800 pixels-
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Hardware
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CPUOcta-coreOcta-core
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CPUSingle-core 2.84 GHz Kryo 485Quad-core 1.6 GHz Cortex-A55
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CPU(second)Triple-core 2.42 GHz Kryo 485quad-core 1.2 GHz Cortex-A55
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CPU(third)Quad-core 1.78 GHz Kryo 485
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ChipsetQualcomm SM8150 Snapdragon 855Unisoc SC9863A
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GPUAdreno 640IMG8322
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Internal storage128, 256 GB32, 64 GB
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Memory RAM6 GB2, 3 GB
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Memory cardNomicroSD, microSDHC, microSDXC
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Memory card max-256 GB
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StorageUFS 3.0eMMC 5.1
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OS
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OSAndroid 10Android 11 Go Edition
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Main camera
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Camera typeSingleSingle
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Main camera11 MP, f/2.0 , 23 mm, 1.0 µm8 MP
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Primary camera resolution-3264 x 2448 pixels
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Primary camera video4K@30/60fps, 1080p@30/60fps, gyro-EIS720p@30fps
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Primary camera flash-LED flash
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Selfie camera
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Selfie camera type-Single
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Selfie camera5 MP, f/2.4
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Selfie camera resolution-2560 x 1920 pixels
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Selfie camera video4K@30/60fps, 1080p@30/60fps, gyro-EIS720p@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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RadioNoFM Radio
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11acWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYes-
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WLAN WiFi Dual BandYes-
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USBType-C reversible connectormicroUSB 2.0
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Bluetoothv5.0v4.2
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Bluetooth A2DPYesYes
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bluetooth LEYes-
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Bluetooth AptXaptX Adaptive-
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NFC-No
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GPSYes, with A-GPSYes, with A-GPS
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Features
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SensorsAccelerometer, fingerprint, proximityAccelerometer, fingerprint, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity3577 mAh3000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYes-
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Cost
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Price1400 USD110 USD
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Tests and performance
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Antutu-109200 (v9)
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Geekbench(single-core)-126 (v5.4)
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Geekbench(multi-core)-475 (v5.4)
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