Oukitel C31 vs vivo S15
Oukitel C31
vivo S15
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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, 2100HSDPA 850, 900, 1700(AWS), 2100; CDMA2000 1x
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4G networkLTE frequency band 1, 3, 7, 8, 19, 20LTE frequency band 1, 2, 3, 4, 5, 7, 8, 19, 28, 34, 38, 39, 40, 41
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5G network-5G band 1, 3, 5, 8, 28, 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 speedLTE, 150 Mbps download, 51 Mbps uploadLTE-A
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GPRSYesYes
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EDGEYesYes
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Availability
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Status2022-082022-05
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Oficially announced2022-082022-05
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Design
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BuildPlasticAG glass, plastic
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height-161.1 mm
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Width-74.3 mm
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Thickness-8 mm
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Weight207 g197 g
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ColorsBlack, BlueBlack, Blue, Yellow
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Display
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Display typeIPS TFTAMOLED
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Physical size6.52 inches6.62 inches
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Resolution720 x 1600 pixels1080 x 2400 pixels
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Pixel density269 ppi398 ppi
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Display colors1677721616777216
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Protection2.5D curved glass screenScratch resistant, 2.5D curved glass screen
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Display features-120Hz, HDR10+, 1300 nits (peak)
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Hardware
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CPU-Octa-core
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CPUQuad-core 2.0 GHz Cortex-A53Single-core 3.2 GHz Kryo 585
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CPU(second)Triple-core 2.42 GHz Kryo 585
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CPU(third)Quad-core 1.80 GHz Kryo 585
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ChipsetMediaTek Helio A22 (MT6761)Qualcomm SM8250-AC Snapdragon 870 5G
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GPUPowerVR GT8300Adreno 650
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Memory RAM3 GB8, 12 GB
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Internal storage16 GB128, 256 GB
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Memory cardmicroSD, microSDHC, microSDXCNo
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Memory card max256 GB-
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Storage-UFS 3.1
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OS
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OSAndroid 12Android 12, Origin OS Ocean
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Main camera
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Camera typeTripleTriple
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Main camera13 MP, f/2.2 , 80˚ , 1/3.1"64 MP, f/1.9 , 1/1.72" , (wide) , 25 mm
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(macro) , 0.3 MP, f/2.8 , 1/10"(ultrawide) , 8 MP, f/2.2 , 120˚ , 16 mm
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(depth) , 0.3 MP, f/2.8 , 1/10"(macro) , 2 MP, f/2.4
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Primary camera resolution4224 x 3136 pixels9280 x 6920 pixels
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Primary camera video1440p@30fps4K@30fps, 1080p@30fps
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Primary camera flashdual-LED flashLED flash
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Camera featuresAutofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-modeAutofocus, 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, phase detection autofocus
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Selfie camera
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Selfie camera typeSingleSingle
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Selfie camera5 MP, f/2.2 , 75˚32 MP, f/2.0 , (wide)
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Selfie camera resolution2560 x 1944 pixels-
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Selfie camera featuresFace unlock, face detectionFace unlock, autofocus, HDR, face detection, panorama, geotagging, digital image stabilization
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Selfie camera video1080p@30fps1080p@30fps
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes, with dual speakers
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EarpieceYesYes
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Multimedia
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RadioFM RadioNo
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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, 802.11ax
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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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USBType-C 2.0Type-C 2.0
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USB On-The-GoYesYes
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Bluetoothv4.2v5.2
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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Bluetooth AptX-aptX HD, aptX Adaptive
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NFCNoYes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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GALILEO-Yes
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BDSYesYes
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QZSS-Yes
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Features
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SensorsAccelerometer, fingerprint, gyroscope, light, proximityAccelerometer, 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-PoLi-Po
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Battery capacity5150 mAh4500 mAh
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Battery removableNon-removableNon-removable
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Fast battery chargingYesYes, 66W (50% in 18 min)
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Talk time 4G-13.8 h
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Tests and performance
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Antutu61300 (v8)725000 (v9)
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Geekbench(single-core)161 (v5.2)945 (v5.2)
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Geekbench(multi-core)548 (v5.2)3413 (v5.2)
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Cost
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Price80 USD400 USD
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