Vertex Impress Lotus vs verykool R28 Denali
Vertex Impress Lotus
verykool R28 Denali
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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 900, 2100HSDPA 850, 1700(AWS), 1900
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4G networkLTE frequency band 1(2100), 3(1800), 7(2600), 18(800)-
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HSDPA speed-7.2 Mbps
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HSUPA speed-5.76 Mbps
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LTE speedLTE, Cat4, 150 Mbps download, 51 Mbps upload-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced20172015-8
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Status20172015-8
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Design
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SIMDual SIM (Micro-SIM)Dual SIM (Mini-SIM/ Micro-SIM)
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Height-132 mm
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Width-48.5 mm
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Thickness-15 mm
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Weight-127 g
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ColorsGray, GoldBlack
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Display
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Display typeIPS capacitive touchscreenTFT
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Physical size5 inches2.4 inches
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Resolution720 x 1280 pixels240 x 320 pixels
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Pixel density294 ppi167 ppi
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Display colors1677721666560
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MultitouchYes-
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Hardware
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CPUQuad-core 1.3 GHz Cortex-A53611 MHz
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ChipsetMediatek MT6737-
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GPUMali-T720 MP2-
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Memory RAM1 GB-
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Internal storage8 GB-
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Memory cardmicroSD, microSDHCmicroSD
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Memory card max-32 GB
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OS
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OSAndroid 7.0 Nougat-
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Main camera
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Main camera8 MP5 MP
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Primary camera resolution3264 x 2448 pixels2592 x 1944 pixels
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Primary camera video720p@30fpsvideo
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Primary camera flashLED flash-
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Camera featuresAutofocus, continuous shooting, geotagging, panorama, HDR, touch focus, face detection, exposure compensation, self-timer, scene modeYes
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Selfie camera
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Secondary camera-No
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Selfie camera5 MP
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Selfie camera video480p@30fps-
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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Notifications-Vibration; MP3 ringtones
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Multimedia
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Radio FMFM radioStereo FM radio
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Radio antenna-built-in antenna
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYes-
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WLAN WiFi DirectYes-
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.0v3.0
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Bluetooth A2DPYesYes
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GPSYes, with A-GPSNo
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Features
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Messaging SMS-SMS
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Messaging MMS-MMS
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Messaging Email-Email
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Java-No
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SensorsAccelerometr, fingerprint, light, proximity-
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Browser
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HTMLHTML5-
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Browser-No
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity2000 mAh1400 mAh
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Talk time 3G-7 h
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Standby time 3G-240 h
