Oppo A39 vs Samsung Gear S2 3G
Oppo A39
Samsung Gear S2 3G
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800
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3G networkHSDPA 850, 900, 2100HSDPA 900, 2100
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4G networkLTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 28(700), 38(2600), 39(1900), 40(2300), 41(2500)-
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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 upload-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2017-32015-8
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Status2017-32015-10
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Design
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SIMDual SIM (Nano-SIM, dual stand-by)Electronic SIM card (e-SIM)
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Height149.1 mm51.8 mm
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Width72.9 mm44 mm
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Thickness7.7 mm13.4 mm
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Weight147 g51 g
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ColorsGold, Rose GoldDark Gray, Silver
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Display
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Display typeIPS LCD capacitive touchscreenSuper AMOLED capacitive touchscreen
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Physical size5.2 inches1.2 inches
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Resolution720 x 1280 pixels360 x 360 pixels
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Pixel density282 ppi302 ppi
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Display colors1677721616777216
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ProtectionCorning Gorilla Glass 4-
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MultitouchYes-
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Hardware
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CPUOcta-coreDual-core 1 GHz
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ChipsetMediatek MT6750Qualcomm MSM8x26
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GPUMali-T860MP2-
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Memory RAM3 GB512 MB
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Internal storage32 GB4 GB
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Memory cardmicroSD
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Memory card max256 GB-
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OS
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OSAndroid 5.1 (Lollipop)Tizen-based wearable platform
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Main camera
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Main camera13 MP, f/2.2
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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 features1/3" sensor size, HDR, face detection, geo-tagging, panorama, touch focus-
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Selfie camera
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Selfie camera5 MP, f/2.4 , 1/4" , 1.4 µm
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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 802.11a, 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYes-
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USBmicroUSB 2.0
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USB On-The-GoYes-
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Bluetoothv4.0v4.1
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Bluetooth A2DPYesYes
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GPSYes, with A-GPSYes, with A-GPS
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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 IM-IM
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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 capacity2900 mAh300 mAh
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Battery removableNon-removableNon-removable
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Talk time--
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Standby time 3G-48 h