Samsung Galaxy J7 (2017) vs Yezz Classic Z51
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Samsung Galaxy J7 (2017)
Yezz Classic Z51
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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, 1700(AWS), 1900, 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), 40(2300), 41(2500)-
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HSDPA speed42.2 Mbps-
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HSUPA speed5.76 Mbps-
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LTE-A speedLTE-A, (2CA) Cat6, 300 Mbps download, 50 Mbps upload-
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2017-62015-7
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Status2017-72015-9
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Design
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SIMSingle SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)Dual SIM (Mini-SIM)
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Height152.4 mm100.5 mm
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Width74.7 mm50.5 mm
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Thickness7.9 mm17.8 mm
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Weight86 g
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Splash resistantIP54-
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Dust proofIP54-
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ColorsBlack, Blue, Gold, PinkBlack, White
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Display
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Display typeSuper AMOLED capacitive touchscreenTFT
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Physical size5.5 inches1.3 inches
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Resolution1080 x 1920 pixels240 x 320 pixels
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Pixel density401 ppi308 ppi
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Display colors1677721666560
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MultitouchYes-
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Hardware
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CPUOcta-core 1.6 GHz ARM Cortex-A53
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ChipsetExynos 7870 Octa-
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GPUMali-T830MP2-
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Memory RAM3 GB-
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Internal storage16 GB16 MB
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Memory cardmicroSDmicroSD
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Memory card max256 GB32 GB
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OS
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OSAndroid 7.1 (Nougat)-
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Main camera
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Main camera13 MP, f/1.71.3 MP
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Primary camera resolution-1280 x 1024 pixels
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Primary camera video1080p@30fpsvideo
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Primary camera Autofocusautofocus-
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Primary camera flashLED flashLED flash
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Camera featuresGeo-tagging, HDR, face detection, panorama, touch focusNo
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Selfie camera
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FlashLED flash-
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Secondary camera-No
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Selfie camera13 MP, f/1.9
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Selfie camera video1080p-
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtonesVibration, Polyphonic
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Multimedia
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Radio FMFM radioStereo FM radio; built in antenna
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
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WLAN WiFi HotspotYes-
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WLAN WiFi DirectYes-
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WLAN WiFi Dual BandYes-
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USBmicroUSB 2.0Yes
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Bluetoothv4.2v3.0
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Bluetooth A2DPYes-
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Bluetooth EDR-Yes
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NFCYes-
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GPSYes, with A-GPSNo
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GLONASSYes-
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BDSYes-
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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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Messaging Push MailPush Mail-
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WAP-WAP 2.0/xHTML
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JavaNoNo
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SensorsFingerprint (front-mounted), accelerometer, compass, gyro, proximity-
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Browser
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HTMLHTML5-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity3600 mAh800 mAh
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Battery removableNon-removable-
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Talk time-5 h
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Standby time-130 h
