Acer Iconia B1-721 vs Alcatel Idol 4
Acer Iconia B1-721
Alcatel Idol 4
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPAHSDPA 850, 900, 1700(AWS), 1900, 2100
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4G network-LTE band 1(2100), 3(1800), 7(2600), 8(900), 20(800), 28(700), 38(2600), 40(2300); LTE band 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 12(700), 13(700), 17(700), 27(800), 28(700)
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HSDPA speedHSDPA42.2 Mbps
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HSUPA speedHSUPA5.76 Mbps
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LTE speed-LTE, Cat6, 300 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 announced2014-12016-2
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Status2014-12016-2
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Design
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SIMYesDual SIM (Nano-SIM, dual stand-by)
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Height199 mm147 mm
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Width122.3 mm72.5 mm
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Thickness11.4 mm7.1 mm
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Weight323 g130 g
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ColorsBlack/RedDark Gray, Gold, Metal Silver, Rose Gold
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Display
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Display typeTFT capacitive touchscreenLTPS IPS LCD capacitive touchscreen
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Physical size7.0 inches5.2 inches
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Resolution600 x 1024 pixels1080 x 1920 pixels
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Pixel density170 ppi424 ppi
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Display colors-16777216
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Multitouch-Yes, max 10 fingers
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Hardware
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CPUDual-core 1.3 GHzQuad-core 1.7 GHz ARM Cortex-A53
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CPU(second)quad-core 1.2 GHz ARM Cortex-A53
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ChipsetMediatek MT8312Qualcomm MSM8952 Snapdragon 617
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GPUMali-400Adreno 405
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Memory RAM1 GB2, 3 GB
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Internal storage16 GB16 GB
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Memory cardmicroSDmicroSD
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Memory card max32 GB200 GB
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OS
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OSAndroid OS, v4.2 (Jelly Bean)Android OS, v6.0.1 (Marshmallow)
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Main camera
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Main camera13 MP, f/2.0
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Primary camera resolution640 x 480 pixels-
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Primary camera videovideo1080p@30fps
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Primary camera Autofocus-phase detection autofocus
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Primary camera flash-dual-LED (dual tone) flash
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Camera features-Geo-tagging, HDR, face detection, panorama, touch focus
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Selfie camera
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Flash-LED flash
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Secondary cameraNo-
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Selfie camera8 MP
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Selfie camera video-1080p
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes, with stereo speakers
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NotificationsN/AVibration; MP3, WAV ringtones
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Multimedia
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RadioNo-
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Radio FM-FM 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 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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BluetoothYesv4.2
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Bluetooth A2DP-Yes
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bluetooth LE-Yes
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NFC-Yes
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GPSYesYes, with A-GPS
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Features
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Messaging SMS-SMS(threaded view)
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Messaging MMS-MMS
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Messaging EmailEmailEmail
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Messaging IMIMIM
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Messaging Push EmailPush EmailPush Email
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JavaYes, via Java MIDP emulatorNo
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Sensors-Accelerometer, 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 capacity2955 mAh2610 mAh
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Battery removable-Non-removable
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Talk time--
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Standby time--