Samsung Gear S3 classic LTE vs Yezz C21
Samsung Gear S3 classic LTE
Yezz C21
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Network
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2G networkGSM 900, 1800; GSM 850, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 900, 2100; HSDPA 850, 1700(AWS), 1900 - USA-
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4G networkLTE frequency band 2(1900), 4(1700/2100), 5(850) - USA-
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HSPA speedHSPA-
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LTE speedLTE-
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GPRSYesUp to 48 kbps
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EDGEYesNo
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Availability
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Oficially announced2017-32016-7
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Status2017-42016-8
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Design
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BuildStainless Steel 316L-
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SIMElectronic SIM card (e-SIM)Dual SIM (Mini-SIM)
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Height49 mm113 mm
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Width46 mm48.5 mm
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Thickness12.9 mm14.6 mm
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Weight57 g70 g
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PaymentSamsung Pay-
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WaterproofIP68 - 1.5 m and 30 minutes-
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Dust proofIP68-
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ColorsSilverBlack, Blue, Red, White
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Display
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Display typeSuper AMOLED capacitive touchscreenTFT
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Physical size1.3 inches1.8 inches
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Resolution360 x 360 pixels128 x 160 pixels
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Pixel density392 ppi114 ppi
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Display colors16777216262144
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ProtectionCorning Gorilla Glass SR+-
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MultitouchYes-
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Hardware
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CPUDual-core 1.0 GHz321 MHz
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ChipsetExynos 7270Spreadtrum SC6531DA
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Memory RAM768 MB4 MB
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Internal storage4 GB4 MB
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Memory card-microSD
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Memory card max-8 GB
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Phonebook-Yes
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Call records-Yes
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OS
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OSTizen-based wearable platform 2.3.2-
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Sound
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3.5mm jackNoNo
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtonesVibration, Polyphonic, MP3
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Multimedia
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RadioNo-
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Radio FM-Stereo FM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11n
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USBmicroUSB 2.0
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Bluetoothv4.2v2.1
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NFCYes-
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GPSYes, with A-GPSNo
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GLONASSYes-
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Features
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Messaging SMSSMS(threaded view)SMS
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Messaging EmailEmail-
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Messaging IMIM-
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WAP-Yes
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JavaNoNo
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SensorsAccelerometer, barometer, gyro, heart rate-
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Browser
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BrowserNo-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity380 mAh600 mAh
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Battery removableNon-removableRemovable
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Wireless chargingWPC-
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Talk time72 h3 h
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Standby time-180 h
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Standby time 3G72 h-
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Main camera
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Primary camera-VGA
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Primary camera video-video
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Camera features-No
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Selfie camera
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Secondary camera-No
