Yezz Classic Z51 vs Coolpad Cool S1
Yezz Classic Z51
Coolpad Cool S1
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800, 1900
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3G network-HSDPA
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HSPA speed-HSPA
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LTE speed-LTE
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2015-72016-12
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Status2015-92017-1
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Design
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SIMDual SIM (Mini-SIM)Dual SIM
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Height100.5 mm151.4 mm
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Width50.5 mm74.7 mm
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Thickness17.8 mm7.5 mm
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Weight86 g168 g
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ColorsBlack, WhiteGold
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Display
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Display typeTFTIPS LCD capacitive touchscreen
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Physical size1.3 inches5.5 inches
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Resolution240 x 320 pixels1080 x 1920 pixels
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Pixel density308 ppi401 ppi
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Display colors6656016777216
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Multitouch-Yes
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Hardware
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CPU-Quad-core
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CPUDual-core 2.35 GHz Kryo
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CPU(second)dual-core 1.6 GHz Kryo
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Chipset-Qualcomm MSM8996 Snapdragon 821
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GPU-Adreno 530
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Internal storage16 MB64, 128 GB
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Memory RAM-4, 6 GB
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Memory cardmicroSD
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Memory card max32 GB-
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Main camera
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Main camera1.3 MP16 MP, f/2.0
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Primary camera resolution1280 x 1024 pixels-
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Primary camera videovideovideo
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Primary camera Autofocus-phase detection autofocus
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Primary camera flashLED flashdual-LED (dual tone) flash
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Camera featuresNoGeo-tagging, HDR, face detection, panorama, touch focus
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Selfie camera
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Secondary cameraNo-
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Selfie camera8 MP
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes, with stereo speakers
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NotificationsVibration, PolyphonicVibration; MP3, WAV ringtones
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Multimedia
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Radio FMStereo FM radio; built in antennaFM radio
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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 Hotspot-Yes
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WLAN WiFi Direct-Yes
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WLAN WiFi Dual Band-Yes
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USBYesType-C reversible connector
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Bluetoothv3.0v4.1
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Bluetooth A2DP-Yes
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bluetooth LE-Yes
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Bluetooth EDRYes-
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GPSNoYes, with A-GPS
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Features
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Messaging SMSSMSSMS(threaded view)
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Messaging MMS-MMS
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Messaging Email-Email
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Messaging IM-IM
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Messaging Push Mail-Push Mail
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WAPWAP 2.0/xHTML-
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JavaNoNo
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Sensors-Fingerprint (rear-mounted), accelerometer, proximity
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity800 mAh4070 mAh
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Battery removable-Non-removable
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Talk time5 h-
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Standby time130 h-
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OS
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OS-Android OS, v6.0.1 (Marshmallow)
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Browser
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HTML-HTML5