Oppo A1 2018 vs vivo X51 5G
Oppo A1 2018
vivo X51 5G
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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, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100
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4G networkLTELTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 32, 38, 39, 40, 41, 66
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5G network-5G band 1, 3, 7, 8, 28, 38, 41, 77, 78 SA/NSA
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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 speedLTELTE-A
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2018-32020-09
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Status2018-42020-10
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Design
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BuildMetalGlass front, glass back, aluminum frame
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height150.5 mm158.5 mm
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Width73.1 mm72.8 mm
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Thickness7.7 mm8 mm
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Weight143 g181.5 g
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ColorsBlue, Red, WhiteGray
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Display
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Display typeS-IPS LCD capacitive touchscreenAMOLED
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Physical size5.7 inches6.56 inches
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Resolution720 x 1440 pixels1080 x 2376 pixels
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Pixel density282 ppi398 ppi
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Display colors1677721616777216
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Protection2.5D curved glass screenScratch resistant
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MultitouchYes-
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Display features-90Hz, HDR10+
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DxOMark display score-87
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Hardware
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CPU-Octa-core
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CPUSingle-core 2.4 GHz Kryo 475 Prime
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CPU(second)Single-core 2.2 GHz Kryo 475 Gold
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CPU(third)Hexa-core 1.8 GHz Kryo 475 Silver
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Chipset-Qualcomm SM7250 Snapdragon 765G
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GPU-Adreno 620
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Memory RAM4 GB8 GB
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Internal storage64 GB256 GB
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Memory cardmicroSDNo
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Memory card max128 GB-
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Storage-UFS 2.1
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OS
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OSAndroid 7.1 (Nougat)Android 10, Funtouch 10.0
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Main camera
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Camera type-Quad
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Main camera13 MP, f/2.2 , 1/3" , 1.12 µm48 MP, f/1.6 , 1/1.2" , 0.8 µm, (wide)
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(periscope telephoto) , 8 MP, f/3.4 , 135 mm, 1/4.0" , 5x optical zoom
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(portrait) , 13 MP, f/2.5 , 50 mm, 1/2.8" , 0.8 µm, 2x optical zoom
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(ultrawide) , 8 MP, f/2.2 , 120˚ , 16 mm, 1/4.0" , 1.12 µm
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Primary camera resolution4160 x 3120 pixels8000 x 6000 pixels
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Primary camera video1080p@30fps4K@30fps, 1080p@30fps, gyro-EIS
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Primary camera Autofocusautofocus-
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Primary camera flash-dual-LED dual-tone flash
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Camera featuresGeo-tagging, HDR, face detection, panorama, touch focusAutofocus, continuous shooting, digital zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-mode, phase detection autofocus
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DxOMark photo-117
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DxOMark zoom-67
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DxOMark video-102
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DxOMark camera score-114
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Selfie camera
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Selfie camera type-Single
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Selfie camera8 MP32 MP, (wide) , f/2.5 , 26 mm, 1/2.8" , 0.8 µm
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Selfie camera resolution3264 x 2448 pixels6528 x 4896 pixels
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Selfie camera features-Face unlock
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Selfie camera video1080p@30fps1080p@30fps
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DxOMark photo-82
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DxOMark video-78
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DxOMark camera score-81
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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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EarpieceYesYes
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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, 802.11n 5Ghz, 802.11ac
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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WLAN WiFi Dual Band-Yes
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USBmicroUSB 2.0Type-C 2.0
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USB On-The-Go-Yes
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Bluetoothv4.2v5.1
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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Bluetooth AptX-aptX HD
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NFC-Yes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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GALILEO-Yes
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BDS-Yes
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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 Push EmailPush Email-
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SensorsAccelerometer, proximityAccelerometer, color spectrum, compass, fingerprint, gyroscope, proximity
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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 capacity3180 mAh4315 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingVOOCVivo FlashCharge (57% in 30 min)
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DxOMark autonomy-45
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DxOMark charging-80
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DxOMark efficiency-68
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DxOMark battery score-60
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Tests and performance
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Antutu-333912 (v8)
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Geekbench(single-core)-672 (v5.2)
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Geekbench(multi-core)-1969 (v5.2)
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Cost
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Price-940 USD
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