Nokia Lumia 635 vs Xiaomi Mi 2
Nokia Lumia 635
Xiaomi Mi 2
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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, 2100HSDPA 850, 1900, 2100
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4G networkLTE 800, 1800, 2600-
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HSDPA speedHSDPA, 42.2 Mbps21 Mbps
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HSUPA speedHSUPA, 5.76 Mbps5.76 Mbps
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DC-HSDPA speed-42 Mbps
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LTE speedLTE, Cat3, 100 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 announced2014-42012-8
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Status2014-62012-11
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Design
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SIMMicro-SIMMini-SIM
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Height129.5 mm126 mm
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Width66.7 mm62 mm
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Thickness9.2 mm10.2 mm
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Weight134 g145 g
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ColorsBright Orange, black, bright green, bright yellow, whiteWhite, blue, green, red
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Display
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Display typeIPS LCD capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size4.5 inches4.3 inches
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Resolution480 x 854 pixels720 x 1280 pixels
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Pixel density218 ppi342 ppi
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Display colors1677721616777216
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Hardware
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CPUQuad-core 1.2 GHz ARM Cortex-A7Quad-core 1.5 GHz Krait
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ChipsetQualcomm Snapdragon 400Qualcomm APQ8064 Snapdragon
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GPUAdreno 305Adreno 320
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Memory RAM512 MB2 GB
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Internal storage8 GB16, 32 GB
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Memory cardmicroSD
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Memory card max128 GB-
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OS
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OSMicrosoft Windows Phone 8.1Android OS, v4.1 (Jelly Bean)
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Main camera
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Main camera5 MP8 MP
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Primary camera resolution2592 x 1944 pixels3264 x 2448 pixels
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Primary camera video720p@30fps1080p@30fps
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Primary camera Autofocusautofocusautofocus
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Primary camera flash-LED flash
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Selfie camera
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Secondary cameraNo-
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Selfie camera2 MP
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Selfie camera video-1080p@30fps
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtonesVibration; MP3, WAV ringtones
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Multimedia
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Radio FMFM radioFM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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WLAN WiFi Direct-Yes
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WLAN DLNAYes-
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USBmicroUSB 2.0microUSB 2.0
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USB On-The-Go-Yes
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Bluetoothv4.0v4.0
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Bluetooth A2DPYesYes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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Features
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Messaging SMSSMS(threaded view)SMS(threaded view)
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IMIMIM
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Messaging Push EmailPush EmailPush Mail
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JavaNoYes, via Java MIDP emulator
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1830 mAh2000 mAh
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Talk time--
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Talk time 2G12 h-
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Talk time 3G14 h-
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Standby time648 h-