Microsoft Lumia 640 LTE Dual SIM vs Samsung Gear S3 classic LTE
Microsoft Lumia 640 LTE Dual SIM
Samsung Gear S3 classic LTE
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800; GSM 850, 1900
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3G networkHSDPA 850, 900, 1700, 1900, 2100HSDPA 900, 2100; HSDPA 850, 1700(AWS), 1900 - USA
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4G network-LTE frequency band 2(1900), 4(1700/2100), 5(850) - USA
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HSDPA speed42.2 Mbps-
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HSUPA speed5.76 Mbps-
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HSPA speed-HSPA
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LTE speedLTE, Cat4, 150 Mbps download, 50 Mbps uploadLTE
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2015-32017-3
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Status2015-42017-4
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Design
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Build-Stainless Steel 316L
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SIMDual SIM (Micro-SIM, dual stand-by)Electronic SIM card (e-SIM)
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Height141.3 mm49 mm
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Width72.2 mm46 mm
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Thickness8.8 mm12.9 mm
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Weight145 g57 g
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Payment-Samsung Pay
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Waterproof-IP68 - 1.5 m and 30 minutes
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Dust proof-IP68
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ColorsGlossy cyan, Matte black, Orange, WhiteSilver
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Display
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Display typeIPS LCD capacitive touchscreenSuper AMOLED capacitive touchscreen
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Physical size5.0 inches1.3 inches
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Resolution720 x 1280 pixels360 x 360 pixels
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Pixel density294 ppi392 ppi
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Display colors1677721616777216
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Protection-Corning Gorilla Glass SR+
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Multitouch-Yes
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Hardware
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CPUQuad-core 1.2 GHz ARM Cortex-A7Dual-core 1.0 GHz
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ChipsetQualcomm Snapdragon 400Exynos 7270
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GPUAdreno 305-
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Memory RAM1 GB768 MB
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Internal storage8 GB4 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 8.1 with Lumia DenimTizen-based wearable platform 2.3.2
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Main camera
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Main camera8 MP
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Primary camera resolution3264 x 2448 pixels-
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Primary camera video1080p@30fps-
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Primary camera Autofocusautofocus-
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Primary camera flashLED flash-
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Camera features1/4'' sensor size-
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Selfie camera
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Selfie camera1 MP
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Selfie camera video720p-
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Sound
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3.5mm jackYesNo
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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-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 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYes-
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WLAN DLNAYes-
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USBmicroUSB 2.0
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Bluetoothv4.0v4.2
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Bluetooth A2DPYes-
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NFC-Yes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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GPS NavigatorBeidou-
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Features
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Messaging SMSSMS(threaded view)SMS(threaded view)
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Messaging MMSMMS-
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Messaging EmailEmailEmail
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Messaging IMIMIM
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Messaging Push EmailPush Email-
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JavaNoNo
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SensorsAccelerometer, compass, proximityAccelerometer, barometer, gyro, heart rate
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Browser
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HTMLHTML5-
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Browser-No
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity2500 mAh380 mAh
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Battery removable-Non-removable
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Wireless charging-WPC
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Talk time-72 h
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Talk time 2G26 h 30 min-
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Talk time 3G17 h 30 min-
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Standby time 2G864 h-
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Standby time 3G864 h72 h
