Nokia Lumia 638 vs Samsung Galaxy Tab 4 10.1 3G
Nokia Lumia 638
Samsung Galaxy Tab 4 10.1 3G
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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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HSDPA speed42.2 MbpsHSDPA, 21 Mbps
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HSUPA speed5.76 MbpsHSUPA, 5.76 Mbps
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LTE speedLTE, 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 announced2014-122014-4
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Status2014-122014-6
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Design
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SIMMicro-SIMMicro-SIM
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Height129.5 mm243.4 mm
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Width66.7 mm176.4 mm
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Thickness9.2 mm8 mm
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Weight136 g487 g
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ColorsBlackBlack, White
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Display
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Display typeIPS LCD capacitive touchscreenTFT capacitive touchscreen
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Physical size4.5 inches10.1 inches
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Resolution480 x 854 pixels1280 x 800 pixels
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Pixel density218 ppi149 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 1.2 GHz
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ChipsetQualcomm Snapdragon 400-
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GPUAdreno 305-
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Memory RAM1 GB1.5 GB
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Internal storage8 GB16 GB
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Memory cardmicroSDmicroSD
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Memory card max128 GB64 GB
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OS
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OSMicrosoft Windows Phone 8.1Android OS, v4.4.2 (KitKat)
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Main camera
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Main camera5 MP3.15 MP
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Primary camera resolution2592 x 1944 pixels2048 x 1536 pixels
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Primary camera videovideo720p@30fps
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Primary camera Autofocusautofocus-
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Camera features1/4'' sensor size, geo-tagging, panorama-
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Selfie camera
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Secondary cameraNo-
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Selfie camera1.3 MP
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes, with stereo speakers
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NotificationsVibration; MP3, WAV ringtonesVibration, MP3 ringtones
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Multimedia
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Radio-No
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Radio FMFM radio-
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11a, 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 WiFi Dual Band-Yes
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WLAN DLNAYes-
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.0v4.0
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Bluetooth A2DPYesYes
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bluetooth LEYes-
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Infrared-Yes
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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 Email
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JavaNoYes, via Java MIDP emulator
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SensorsAccelerometer-
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity1830 mAh6800 mAh
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Battery removable-Non-removable
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Talk time--
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Standby time--