HTC Desire 820s dual sim vs alcatel Idol 4s Windows
HTC Desire 820s dual sim
alcatel Idol 4s Windows
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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, 1900, 2100HSDPA 850, 1700(AWS), 1900, 2100
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4G network-LTE frequency band 2(1900), 4(1700/2100), 12(700)
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HSDPA speed42.2 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE speedLTE, Cat4, 150 Mbps download, 50 Mbps uploadLTE, Cat4, 150 Mbps download, 50 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2015-32016
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Status2015-32016
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Design
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SIMDual SIM (Nano-SIM, dual stand-by)Nano-SIM
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Height157.7 mm153.9 mm
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Width78.7 mm75.4 mm
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Thickness7.7 mm7 mm
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Weight155 g152 g
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ColorsMarble White, Milkyway Gray, Monarch Orange, Santorini White, Tuxedo GrayHalo Gold
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Display
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Display typeCapacitive touchscreenAMOLED capacitive touchscreen
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Physical size5.5 inches5.5 inches
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Resolution720 x 1280 pixels1080 x 1920 pixels
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Pixel density267 ppi401 ppi
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Display colors1677721616777216
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Protection-Asahi Dragontrail Glass
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Multitouch-Yes, max 10 fingers
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Hardware
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CPU-Quad-core
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CPUOcta-core 1.7 GHz ARM Cortex-A53Dual-core 2.15 GHz Kryo
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CPU(second)dual-core 1.6 GHz Kryo
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ChipsetMediatek MT6752Qualcomm MSM8996 Snapdragon 820
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GPUMali-T760MP2Adreno 530
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Memory RAM2 GB4 GB
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Internal storage16 GB64 GB
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Memory cardmicroSDmicroSD
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Memory card max32 GB256 GB
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OS
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OSAndroid OS, v4.4.4 (KitKat)Microsoft Windows 10
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Main camera
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Main camera13 MP21 MP
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Primary camera resolution4160 x 3120 pixels-
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Primary camera video1080p@30fps2160p@30fps
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Primary camera Autofocusautofocusphase detection autofocus
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Primary camera flashLED flashdual-LED (dual tone) flash
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Camera featuresGeo-tagging, HDR, face detection, panorama, touch focusGeo-tagging, HDR, face detection, panorama, touch focus
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Selfie camera
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Flash-LED flash
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Selfie camera8 MP8 MP
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Selfie camera video1080p1080p
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Sound
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3.5mm jackYesYes
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LoudspeakerYes, with stereo speakersYes, with stereo speakers
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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 802.11b, 802.11g, 802.11nWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
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WLAN WiFi HotspotYesYes
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WLAN WiFi Direct-Yes
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WLAN WiFi Dual Band-Yes
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USBmicroUSB 2.0Type-C reversible connector
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Bluetoothv4.0v4.1
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYes-
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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 IM-IM
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Messaging Push EmailPush EmailPush Email
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JavaNoNo
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SensorsAccelerometer, compass, proximityAccelerometer, compass, gyro, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity2600 mAh3000 mAh
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Battery removableNon-removableNon-removable
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Talk time 3G12 h 10 min13 h 20 min
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Standby time 3G560 h420 h
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