Asus Zenfone 3 Zoom ZE553KL vs Xiaomi Redmi K20
Asus Zenfone 3 Zoom ZE553KL
Xiaomi Redmi K20
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900, CDMA 800
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3G networkHSDPA 850, 900, 1900, 2100 - Global; HSDPA 850, 900, 1900, 2100, 800 - Taiwan; HSDPA 850, 900, 2100 - India; HSDPA 850, 900, 1700(AWS), 1900, 2100 - USA, BrazilHSDPA 850, 900, 1700, 1900, 2100, TD-SCDMA 1900, 2000
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4G networkLTE frequency band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800) - Global; LTE frequency band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 18(800), 19(800), 26(850), 28(700), 38(2600), 39(1900), 40(2300), 41(2500) - Taiwan; LTE frequency band 1(2100), 3(1800), 5(850), 8(900), 40(2300) - India; LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 17(700), 28(700) - USA, BrazilLTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
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HSDPA speed42.2 Mbps42 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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EV-DO speed-3.1 Mbps download, 1.8 Mbps upload
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LTE speedLTE, 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 announced2017-12019-5
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Status2019-6
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Design
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Build-Aluminium alloy, glass
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual SIM stand-by)
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Height154.3 mm156.7 mm
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Width77 mm74.3 mm
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Thickness8 mm8.8 mm
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Weight170 g191 g
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ColorsGlacier Silver, Navy Black, Rose GoldBlack, Blue, Red
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Display
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Display typeAMOLED capacitive touchscreenSuper AMOLED capacitive touchscreen
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Physical size5.5 inches6.39 inches
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Resolution1080 x 1920 pixels1080 x 2340 pixels
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Pixel density401 ppi403 ppi
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Display colors1677721616777216
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ProtectionCorning Gorilla Glass 52.5D curved glass screen, Scratch resistant, Corning Gorilla Glass 6
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MultitouchYes, max 10 fingersYes
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Display features-HDR 10, Always-On display
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Hardware
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CPU-Octa-core
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CPUOcta-core 2.0 GHz ARM Cortex-A53Dual-core 2.2 GHz Kryo 470
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CPU(second)Hexa-core 1.8 GHz Kryo 470
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ChipsetQualcomm MSM8953 Snapdragon 625Qualcomm Snapdragon 730
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GPUAdreno 506Adreno 618
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Internal storage32, 64, 128 GB64, 128, 256 GB
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Memory RAM4 GB6, 8 GB
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Memory cardmicroSD(uses second SIM slot)No
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Memory card max256 GB-
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Storage-UFS 2.1
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OS
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OSAndroid OS, v6.0.1 (Marshmallow)MIUI V10.2 (Android 9.0 Pie)
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Main camera
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Camera typeDualTriple
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Main camera12 MP, 2.3x optical zoom48 MP, 2x optical zoom , f/1.8 , 26 mm, 1/2" , 0.8 µm
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12 MP8 MP, f/2.4 , 53 mm, 1/4" , 1.12 µm
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13 MP, f/2.4 , 12 mm, 1/3" , 1.12 µm
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Primary camera resolution-8000 x 6000 pixels
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Primary camera video2160p@24fps, 1080p@30fps2160p@30fps, 1080p@960fps
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Primary camera Autofocuslaser/phase detection autofocus-
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Primary camera flashdual-LED (dual tone) flashdual LED flash
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Camera features1.4 µm pixel size, 1/2.55" sensor size @ 25mm, Auto HDR, face/smile detection, geo-tagging, panorama, simultaneous 4K video and 9MP image recording, touch focusAutofocus, continuous shooting, digital zoom, optical zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro mode, RAW, phase detection
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Selfie camera
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Selfie camera13 MP, f/2.0 , 1/3" , 1.12 µm20 MP, f/2.2 , 18 mm
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Selfie camera resolution-5184 x 3880 pixels
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Selfie camera video1080p1080p@30fps
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtones-
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Earpiece-Yes
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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 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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Wi-Fi display-Yes
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WLAN WiFi Dual BandYesYes
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USBType-C 1.0 reversible connectorType-C reversible connector
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USB On-The-GoYesYes
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Bluetoothv4.2v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth EDRYes-
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NFC-Yes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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Beidou-Yes
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BDSYes-
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Features
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Messaging SMSSMS(threaded view)-
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Messaging MMSMMS-
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Messaging EmailEmail-
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Messaging IMIM-
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Messaging Push EmailPush Email-
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JavaNo-
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SensorsFingerprint (rear-mounted), accelerometer, compass, gyro, proximityAccelerometer, proximity, light, compass, in-display fingerprint, gyroscope, barometer, hall, step detector, step counter
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity5000 mAh4000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYesQualcomm Quick Charge 4+