Samsung Gear S2 classic 3G vs Yezz C21
Samsung Gear S2 classic 3G
Yezz C21
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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-
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GPRSNoUp to 48 kbps
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EDGENoNo
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Availability
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Oficially announced2016-22016-7
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Status2016-32016-8
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Design
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BuildStainless Steel-
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SIMElectronic SIM card (e-SIM)Dual SIM (Mini-SIM)
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Height44 mm113 mm
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Width46.9 mm48.5 mm
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Thickness13.4 mm14.6 mm
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Weight54 g70 g
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ColorsBlack, Rose Gold, ceramic braceletBlack, Blue, Red, White
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Display
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Display typeSuper AMOLED capacitive touchscreenTFT
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Physical size1.2 inches1.8 inches
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Resolution360 x 360 pixels128 x 160 pixels
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Pixel density424 ppi114 ppi
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Display colors16777216262144
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ProtectionCorning Gorilla Glass 3-
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MultitouchYes-
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Hardware
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CPUDual-core 1.0 GHz ARM Cortex-A7321 MHz
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ChipsetExynos 3250 DualSpreadtrum SC6531DA
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GPUMali-400MP2-
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Memory RAM512 MB4 MB
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Internal storage4 GB4 MB
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Memory cardmicroSD
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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-
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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, 802.11e
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USBmicroUSB 2.0
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Bluetoothv4.1v2.1
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NFCYes-
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GPSNoNo
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Features
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Messaging SMSSMS(threaded view)SMS
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Messaging MMSMMS-
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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 capacity300 mAh600 mAh
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Battery removableNon-removableRemovable
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Talk time48 h3 h
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Standby time-180 h
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Standby time 3G48 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
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