Asus Zenfone 3 Ultra ZU680KL vs Coolpad Cool 2
Asus Zenfone 3 Ultra ZU680KL
Coolpad Cool 2
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA
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3G networkHSDPA 800, 850, 900, 1900, 2100HSDPA 850, 900, 1900, 2100
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4G networkLTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 18(800), 19(800), 20(800), 26(850), 28(700), 38(2600), 40(2300), 41(2500)LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 38(2600), 39(1900), 40(2300), 41(2500)
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HSDPA speed42.2 Mbps-
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HSUPA speed5.76 Mbps-
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HSPA speed-HSPA
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LTE speedLTE, Cat6, 300 Mbps download, 50 Mbps uploadLTE
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2016-52018-4
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Status2016-62018-5
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Design
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Build-Front glass, aluminum body
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SIMDual SIM (Nano-SIM/ Micro-SIM, dual stand-by)Hybrid Dual SIM (Nano-SIM, dual stand-by)
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Height186.4 mm154.7 mm
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Width93.9 mm73.3 mm
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Thickness6.8 mm9 mm
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Weight233 g160 g
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Splash resistant-Yes
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ColorsGlacier Silver, Metallic Pink, Titanium GrayBlue, Gold
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Display
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Display typeIPS LCD capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size6.8 inches5.7 inches
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Resolution1080 x 1920 pixels720 x 1440 pixels
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Pixel density324 ppi282 ppi
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Display colors1677721616777216
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ProtectionCorning Gorilla Glass 42.5D curved glass screen
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MultitouchYes, max 10 fingersYes
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.8 GHz ARM Cortex-A72Quad-core 1.5 GHz Cortex-A53
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CPU(second)quad-core 1.4 GHz ARM Cortex-A53quad-core 1 GHz Cortex-A53
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ChipsetQualcomm MSM8976 Snapdragon 652Mediatek MT6750
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GPUAdreno 510Mali-T860MP2
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Memory RAM3, 4 GB4 GB
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Internal storage32, 64, 128 GB64 GB
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Memory cardmicroSDmicroSD(uses second SIM slot)
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Memory card max256 GB128 GB
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OS
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OSAndroid OS, v6.0.1 (Marshmallow)Android 7.0 (Nougat)
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Main camera
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Camera type-Dual
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Main camera23 MP, f/2.013 MP, f/2.0
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0.3 MP
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Primary camera resolution-4160 x 3120 pixels
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Primary camera video1080p@30fps1080p@30fps
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Primary camera flashdual-LED (dual tone) flashLED flash
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Primary camera optical image stabilization4-axis optical image stabilization-
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Primary camera phase detection autofocusphase detection autofocus-
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Primary camera laser autofocuslaser autofocus-
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Camera features1 µm pixel size, 1/2.6" sensor size, HDR, face detection, geo-tagging, panorama, touch focusGeo-tagging, HDR, face detection, panorama, touch focus
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Selfie camera
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Selfie camera8 MP, f/2.08 MP, f/2.2
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Selfie camera resolution-3264 x 2448 pixels
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Selfie camera video1080p-
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Sound
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3.5mm jackYesYes
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LoudspeakerYes, dual speakersYes
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NotificationsVibration; MP3, WAV ringtonesVibration; MP3, WAV ringtones
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Multimedia
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Radio-No
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Radio FMFM radio-
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11acWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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USBType-C 1.0 reversible connectormicroUSB 2.0
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USB On-The-GoYes-
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Bluetoothv4.2v4.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth EDRYes-
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InfraredYesYes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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BDSYesYes
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Features
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Messaging SMSSMS(threaded view)SMS(threaded view)
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IMIM-
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Messaging Push EmailPush EmailPush Email
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JavaNo-
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SensorsFingerprint, accelerometer, compass, gyro, proximityFingerprint (rear-mounted), accelerometer, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity4600 mAh3200 mAh
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Battery removableNon-removableNon-removable
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Talk time 3G34 h-
