Oppo A18

Oppo A18

Vivo X51 5G

Vivo X51 5G

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General

NameOppo A18Vivo X51 5G
Launch Date27 Sept 202321 Oct 2020
BrandOppoVivo
ColorsGlowing Black, Glowing Blue-
ModelsCPH2591-

Display

Display Size6.56 Inches6.56 Inches
Display TypeIPS LCD, 720 nits (peak)AMOLED, HDR10+
Resolution720 x 1612 pixels1080 x 2376 pixels
Refresh Rate90Hz90Hz
Aspect Ratio20:920:9
Features84.2% (screen to body ratio), 269 ppi-

Platform

Operating SystemAndroid 13, ColorOS 13.1Android 10, Funtouch 10.0
ProcessorMediaTek Helio G85 (12nm)Snapdragon 765G (7 nm)
CPUOcta-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)-
GPUMali-G52 MC2-

Memory

Ram4GB8GB
Ram TypeLPDDR4x-
Storage64GB, 128GB256GB
Storage TypeeMMC 5.1UFS 2.1
SD Card SlotYesNo

Camera

TypeDual CameraQuad Camera
Main8 MP, f/2.0, AF48 MP, f/1.6, gimbal OIS
Ultra Wide-8 MP, f/2.2, 120˚
Telephoto-8 MP, f/3.4, OIS, 2x optical zoom
Depth2 MP, f/2.4-
Other-8 MP, f/3.4, 135mm (periscope telephoto), OIS, 5x optical zoom
Video1080p@30fps4K@30fps, 1080p@30fps, gyro-EIS

Front Camera

TypeSingle CameraSingle Camera
Selfie5 MP, f/2.232 MP, f/2.5
Video1080p@30fps1080p@30fps
FeaturesPanorama-

Battery

Capacity5000 mAh4315 mAh
Battery TechnologyLi-Po, non-removableLi-Po
Charging Speed-33W
USB TypeType C, USB 2.0, OTGType C, USB 2.0
Wireless ChargingNoNo

Network

SimDual SimDual Sim
Sim Type
Dual SIM (Nano-SIM, dual stand-by)
Technology4G5G
Bands

Connectivity

Wi-FiWiFi 5WiFi 5
BluetoothV5.3V5.1
NFCNoYes
GPSYesYes

Audio

LoudspeakerYesYes
Headphone JackYesNo

Biometric

FingerprintYesYes
Fingerprint TypeCapacitive Fingerprint ScannerOptical Fingerprint Scanner
Fingerprint PositionSide-MountedIn-Display
Face Unlock2D Face Unlock2D Face Unlock

Body

Dimensions163.7 x 75 x 8.2 mm158.5 x 72.8 x 8 mm
Weight188 g181.5 g
FramePlastic FrameAluminium Frame
BackPlastic BackGlass Back
IP RatingIP54No

Others

SensorsAccelerometer, proximity, compass-
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