vivo Z5x (2020) vs Samsung Galaxy A51 5G UW

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PHONES
Phone Names vivo Z5x (2020) Samsung Galaxy A51 5G UW
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 2100HSDPA 850 / 900 / 1900 / 2100
4G bands1, 3, 4, 5, 8, 34, 38, 39, 40, 412, 4, 5, 13, 66
5G bands-260, 261 mmWave
SpeedHSPA, LTEHSPA, LTE, 5G
TechnologyGSM / CDMA / HSPA / LTEGSM / HSPA / LTE / 5G
 CDMA 800 & TD-SCDMA-
Launch
Announced2020, June 09. Released 2020, June 092020, August 14
StatusDiscontinuedAvailable. Released 2020, August 14
Body
BuildGlass front, plastic back, plastic frameGlass front (Gorilla Glass 3), plastic back, aluminum frame
Dimensions162.4 x 77.3 x 8.9 mm (6.39 x 3.04 x 0.35 in)158.8 x 73.4 x 8.6 mm (6.25 x 2.89 x 0.34 in)
SIMNano-SIM + Nano-SIMNano-SIM (pre-installed)
Weight204.1 g (7.20 oz)188.8 g (6.67 oz)
Display
Protection-Corning Gorilla Glass 3
Resolution1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density)1080 x 2400 pixels, 20:9 ratio (~405 ppi density)
Size6.53 inches, 104.7 cm2 (~83.4% screen-to-body ratio)6.5 inches, 102.0 cm2 (~87.5% screen-to-body ratio)
TypeIPS LCDSuper AMOLED
Platform
CPUOcta-core (2x2.3 GHz Kryo 360 Gold & 6x1.7 GHz Kryo 360 Silver)Octa-core (1x2.4 GHz Kryo 475 Prime & 1x2.2 GHz Kryo 475 Gold & 6x1.8 GHz Kryo 475 Silver)
ChipsetQualcomm SDM712 Snapdragon 712 (10 nm)Qualcomm SM7250 Snapdragon 765G 5G (7 nm)
GPUAdreno 616Adreno 620
OSAndroid 9.0 (Pie), upgradable to Android 10, Funtouch 10Android 10, One UI 2
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (uses shared SIM slot)
Internal64GB 4GB RAM, 64GB 6GB RAM, 128GB 8GB RAM128GB 6GB RAM
 -UFS 2.1
Main Camera
FeaturesLED flash, HDR, panoramaLED flash, panorama, HDR
Quad-48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 12 MP, f/2.2, 123˚ (ultrawide) 5 MP (macro) Auxiliary lens
Single-5 MP, AF
Triple16 MP, f/1.8, (wide), 1/2.8", 1.12µm, AF 8 MP, f/2.2, 16mm (ultrawide), 1/4.0", 1.12µm Auxiliary lens-
Video1080p@30fps4K@30fps, 1080p@30/120fps; gyro-EIS
Selfie camera
Features-HDR
Single16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm
Video1080p@30fps4K@30fps, 1080p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth5.0, A2DP, LE5.0, A2DP, LE
NFCNoYes
PositioningGPS, GLONASS, BDSGPS, GLONASS, GALILEO, BDS
RadioNoFM radio, RDS, recording
USBmicroUSB 2.0, OTGUSB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (rear-mounted), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass
 -ANT+
Battery
Charging18W wired15W wired
Stand-by-Up to 672 h
Talk time-Up to 5 h
Type5000 mAhLi-Po 4500 mAh
Misc
ColorsBlack, Blue, White, Dark BluePrism Bricks Blue
Models-SM-A516V
PriceAbout 160 EURAbout 470 EUR
SAR-0.70 W/kg (head)     1.25 W/kg (body)    
SAR EU-0.59 W/kg (head)     1.32 W/kg (body)