Haier G7 vs Oppo A57
Haier G7
Oppo A57
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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 900, 2100; HSDPA 850, 1900HSDPA 850, 900, 1900, 2100 & TD-SCDMA
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4G networkLTE frequency band 1(2100), 3(1800), 7(2600), 20(800); LTE frequency band 2(1900), 4(1700/2100), 5(850), 7(2600), 17(700); LTE frequency band 3(1800), 5(850), 40(2300)LTE frequency band 1(2100), 3(1800), 5(850), 8(900), 38(2600), 39(1900), 40(2300), 41(2500)
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HSDPA speed42.2 Mbps-
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HSUPA speed11.5 Mbps-
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HSPA speed-HSPA
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LTE speedLTE, Cat4, 150 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 announced20172016-11
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Status20172016-12
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Design
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BuildPlastic, metal-
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SIMDual SIM (Micro-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height143 mm149.1 mm
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Width71.5 mm72.9 mm
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Thickness8.1 mm7.7 mm
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Weight135 g147 g
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ColorsBlack, Blue, White, YellowGold, Rose Gold
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Display
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Display typeIPS LCD capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size5.0 inches5.2 inches
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Resolution720 x 1280 pixels720 x 1280 pixels
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Pixel density294 ppi282 ppi
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Display colors1677721616777216
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ProtectionScratch-resistant glass-
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MultitouchYes, max 5 fingersYes
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Hardware
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CPUQuad-core 1.25 GHzOcta-core 1.4 GHz ARM Cortex-A53
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ChipsetMediatek MT6737Qualcomm MSM8940 Snapdragon 435
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GPUMali-T720MP1Adreno 505
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Memory RAM1 GB3 GB
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Internal storage16 GB32 GB
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Memory cardmicroSDmicroSD(uses second SIM slot)
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Memory card max32 GB256 GB
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OS
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OSAndroid 7.0 (Nougat)Android OS, v6.0 (Marshmallow)
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Main camera
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Main camera8 MP13 MP, f/2.2
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Primary camera resolution2592 x 1944 pixels-
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Primary camera video720p@30fps1080p@30fps
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Primary camera Autofocusautofocusphase detection autofocus
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Primary camera flashLED flashLED 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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FlashLED flash-
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Selfie camera5 MP16 MP, f/2.0 , 1.12 µm
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Selfie camera resolution2560 x 1920 pixels-
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Selfie camera video480p@30fps1080p
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtonesVibration; MP3, WAV ringtones
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Multimedia
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Radio FMFM radioFM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-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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USBmicroUSB 2.0microUSB 2.0
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USB host-Yes
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Bluetoothv4.0v4.1
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Bluetooth A2DPYesYes
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bluetooth LEYes-
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GPSYes, with A-GPSYes, with A-GPS
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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 Email-Push Email
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Messaging Push MailPush Mail-
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Java-No
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SensorsAccelerometer, proximityFingerprint (front-mounted), accelerometer, compass, 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 capacity2200 mAh2900 mAh
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Battery removableRemovableNon-removable
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Talk time 2G10 h-
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Talk time 3G10 h-
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Standby time 2G200 h-
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Standby time 3G200 h-