verykool R28 Denali vs vivo X3S
verykool R28 Denali
vivo X3S
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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, 1700(AWS), 1900HSDPA 850, 900, 2100
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HSDPA speed7.2 Mbps21.1 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2015-82015-3
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Status2015-82015-3
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Design
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SIMDual SIM (Mini-SIM/ Micro-SIM)Dual SIM (Micro-SIM/Nano-SIM, dual stand-by)
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Height132 mm143.3 mm
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Width48.5 mm71 mm
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Thickness15 mm6 mm
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Weight127 g150 g
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ColorsBlackBlue, White
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Display
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Display typeTFTIPS LCD capacitive touchscreen
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Physical size2.4 inches5.0 inches
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Resolution240 x 320 pixels720 x 1280 pixels
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Pixel density167 ppi294 ppi
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Display colors6656016777216
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Hardware
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CPU611 MHz1.7 GHz Octa-core ARM Cortex-A7
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Chipset-Mediatek MT6592
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GPU-Mali-450MP4
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Memory RAM-1 GB
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Internal storage-16 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 camera5 MP13 MP
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Primary camera resolution2592 x 1944 pixels4160 x 3120 pixels
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Primary camera videovideo1080p@30fps
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Primary camera Autofocus-autofocus
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Primary camera flash-LED flash
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Camera featuresYesGeo-tagging, face/smile detection, touch focus
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Selfie camera
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Secondary cameraNoYes
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Sound
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3.5mm jackNoYes
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LoudspeakerYesYes
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NotificationsVibration; MP3 ringtonesVibration; MP3, WAV ringtones
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Multimedia
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Radio FMStereo FM radioFM radio
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Radio antennabuilt-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 Hotspot-Yes
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WLAN WiFi Direct-Yes
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WLAN WiFi Dual Band-Yes
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USBmicroUSB 2.0microUSB 2.0
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USB host-Yes
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Bluetoothv3.0v4.0
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Bluetooth A2DPYesYes
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Bluetooth EDR-Yes
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Infrared-Yes
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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 MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IM-IM
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Messaging Push Email-Push Mail
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JavaNoYes, via Java MIDP emulator
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Sensors-Accelerometer, compass, gyro, proximity
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Browser
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HTML-HTML5
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BrowserNo-
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity1400 mAh2000 mAh
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Battery removable-Non-removable
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Talk time 2G-14 h
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Talk time 3G7 h11 h
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Standby time 2G-450 h
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Standby time 3G240 h450 h
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OS
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OS-Android OS, v4.2.2 (Jelly Bean)