HTC U Ultra vs Oppo A1k
HTC U Ultra
Oppo A1k
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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, 1700(AWS), 1900, 2100WCDMA 850, 900, 2100
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4G networkLTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 20(800), 28(700), 38(2600), 39(1900), 40(2300), 41(2500)LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 18(800), 28(700), 38(2600), 40(2300), 41(2500)
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HSDPA speed42.2 Mbps-
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HSUPA speed5.76 Mbps-
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LTE speed-LTE Cat 4, 150.8 Mbps download, 51 Mbps upload
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LTE-A speedLTE-A, (3CA) Cat11, 600 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 announced2017-12019-4
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Status2017-32019-5
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Design
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Build-Plastic body
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual SIM stand-by)
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Height162.4 mm154.5 mm
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Width79.8 mm73.8 mm
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Thickness8 mm8.4 mm
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Weight170 g170 g
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ColorsBrilliant Black, Cosmetic Pink, Ice White, Sapphire BlueBlack, Red
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Display
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Display typeSuper LCD5 capacitive touchscreenIPS capacitive touchscreen
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Physical size5.7 inches6.1 inches
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Resolution1440 x 2560 pixels720 x 1560 pixels
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Pixel density513 ppi282 ppi
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Display colors1677721616777216
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ProtectionCorning Gorilla Glass 5(64 GB) or Sapphire crystal glass(128 GB)2.5D curved glass screen, scratch resistant, Corning Gorilla Glass 3
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MultitouchYesYes
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Additional displayYes-
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Resolution of additional display160 x 1040 pixels-
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Size of additional display2.05 inches-
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Hardware
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CPUQuad-coreOcta-core
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CPUDual-core 2.15 GHz KryoQuad-core 2 GHz Cortex-A53
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CPU(second)dual-core 1.6 GHz Kryoquad-core 1.5 GHz Cortex-A53
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ChipsetQualcomm MSM8996 Snapdragon 821Mediatek Helio P22 (MT6762)
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GPUAdreno 530PowerVR GE8320
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Memory RAM4 GB2 GB
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Internal storage64, 128 GB32 GB
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Memory cardmicroSD(uses second SIM slot)microSD, microSDHC, microSDXC
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Memory card max256 GB256 GB
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OS
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OSAndroid OS, v7.0 (Nougat)ColorOS 6.0 (Android 9.0 Pie)
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Main camera
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Camera type-Single
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Main camera12 MP, f/1.8 , 26 mm8 MP, f/2.2 , 1/3.2" , 1.4 µm
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Primary camera resolution-3264 x 2448 pixels
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Primary camera video2160p@30fps (24-bit/192kHz audio), 720p@120fps1080p@30fps
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Primary camera Autofocuslaser & phase detection autofocus-
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Primary camera flashdual-LED (dual tone) flashLED flash
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Primary camera optical image stabilizationoptical image stabilization-
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Camera features1.55µm pixel size, 1/2.3'' sensor size, Auto-HDR, face detection, geo-tagging, panorama, touch focusAutofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection
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Selfie camera
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Selfie camera16 MP5 MP, f/2 , 1/5" , 1.12 µm
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Selfie camera resolution-2560 x 1920 pixels
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Secondary camera HDRAuto-HDR-
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Selfie camera video1080p720p@30fps
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Sound
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3.5mm jackNoYes
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtones-
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Earpiece-Yes
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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 DirectYes-
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Wi-Fi display-Yes
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WLAN WiFi Dual BandYes-
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Wi-Fi DLNAYes-
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USBType-C 1.0 reversible connectormicroUSB 2.0
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USB On-The-Go-Yes
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Bluetoothv4.2v4.2
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Bluetooth A2DPYesYes
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bluetooth LEYes-
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NFCYes-
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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 MailPush Mail-
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JavaNo-
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SensorsFingerprint (front-mounted), accelerometer, compass, gyro, proximityAccelerometer, proximity, light, compass, fingerprint
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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 capacity3000 mAh4000 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingQuick Charge 3.0-
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Talk time 3G26 h-
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Standby time 3G312 h-
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Multimedia
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Radio-No
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