vivo Y51 (2020, December) vs Samsung Galaxy A31

Phones Images
PHONES
Phone Names vivo Y51 (2020, December) Samsung Galaxy A31
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 2100HSDPA 850 / 900 / 1900 / 2100 - SM-A315F
4G bands1, 3, 5, 8, 401, 2, 3, 5, 7, 8, 20, 38, 40, 41 - SM-A315F
SpeedHSPA, LTEHSPA, LTE
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE
Launch
Announced2020, December 03. Released 2020, December 072020, March 24. Released 2020, April 27
StatusDiscontinuedDiscontinued
Body
Dimensions163.9 x 75.3 x 8.4 mm (6.45 x 2.96 x 0.33 in)159.3 x 73.1 x 8.6 mm (6.27 x 2.88 x 0.34 in)
SIMNano-SIM + Nano-SIM· Nano-SIM· Nano-SIM + Nano-SIM
Weight188 g (6.63 oz)185 g (6.53 oz)
Display
Resolution1080 x 2408 pixels, 20:9 ratio (~401 ppi density)1080 x 2400 pixels, 20:9 ratio (~411 ppi density)
Size6.58 inches, 104.3 cm2 (~84.5% screen-to-body ratio)6.4 inches, 98.9 cm2 (~84.9% screen-to-body ratio)
TypeIPS LCDSuper AMOLED
Platform
CPUOcta-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55)
ChipsetQualcomm SDM665 Snapdragon 665 (11 nm)Mediatek MT6768 Helio P65 (12 nm)
GPUAdreno 610Mali-G52 MC2
OSAndroid 11, Funtouch 11Android 10, upgradable to Android 12, One UI 4.1
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (dedicated slot)
Internal128GB 8GB RAM64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
Main Camera
FeaturesLED flash, HDR, panoramaLED flash, panorama, HDR
Quad-48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 123˚, (ultrawide), 1/4.0", 1.12µm 5 MP (macro) Auxiliary lens
Triple48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 120˚, (ultrawide), 1/4.0", 1.12µm 2 MP (macro)-
Video4K@30fps, 1080p@30fps, gyro-EIS1080p@30fps
Selfie camera
FeaturesHDR-
Single16 MP, f/2.0, (wide), 1/3.06" 1.0µm20 MP, f/2.2, (wide)
Video1080p@30fps1080p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth5.0, A2DP, LE5.0, A2DP, LE
NFCNoYes (market/region dependent)
PositioningGPS, GLONASS, GALILEO, BDSGPS, GLONASS, GALILEO, BDS
RadioFM radioFM radio, RDS, recording
USBUSB Type-C 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 (side-mounted), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, gyro, compass
Battery
Charging18W wired, 70% in 67 min15W wired
Type5000 mAhLi-Po 5000 mAh
Misc
ColorsTitanium Sapphire, Crystal SymphonyPrism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White
ModelsV2030SM-A315F, SM-A315F/DS, SM-A315G/DS, SM-A315G, SM-A315N
PriceAbout 210 EUR£ 139.00 / € 138.27
SAR EU-0.49 W/kg (head)     1.68 W/kg (body)
Tests
Battery life-Endurance rating 124h
Camera- Photo / Video
Display- Contrast ratio: Infinite (nominal)
Loudspeaker- -30.9 LUFS (Below average)
Performance- AnTuTu: 151815 (v8) GeekBench: 5096 (v4.4), 1216 (v5.1) GFXBench: 7fps (ES 3.1 onscreen)
OUR TESTS
Battery (old)-Endurance rating 124h
Camera-Photo / Video
Display-635 nits max brightness (measured)
Loudspeaker--30.9 LUFS (Below average)
Performance-AnTuTu: 151815 (v8) GeekBench: 5096 (v4.4), 1216 (v5.1) GFXBench: 7fps (ES 3.1 onscreen)