vivo Y3s (2021) vs vivo Y51a

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PHONES
Phone Names vivo Y3s (2021) vivo Y51a
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 2100HSDPA 850 / 900 / 2100
4G bands1, 3, 5, 8, 401, 3, 5, 8, 40
SpeedHSPA, LTEHSPA, LTE
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE
Launch
Announced2021, October 182021, January 08
StatusAvailable. Released 2021, October 18Available. Released 2021, January 23
Body
BuildGlass front, plastic back, plastic frame-
Dimensions164.4 x 76.3 x 8.4 mm (6.47 x 3.00 x 0.33 in)163.9 x 75.3 x 8.4 mm (6.45 x 2.96 x 0.33 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight190 g (6.70 oz)188 g (6.63 oz)
Display
Resolution720 x 1600 pixels, 20:9 ratio (~270 ppi density)1080 x 2408 pixels, 20:9 ratio (~401 ppi density)
Size6.51 inches, 102.3 cm2 (~81.6% screen-to-body ratio)6.58 inches, 104.3 cm2 (~84.5% screen-to-body ratio)
TypeIPS LCDIPS LCD
Platform
CPUOcta-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
ChipsetMediatek MT6765 Helio P35 (12 nm)Qualcomm SM6115 Snapdragon 662 (11 nm)
GPUPowerVR GE8320Adreno 610
OSAndroid 11 (Go edition), Funtouch 11Android 11, upgradable to Android 12, Funtouch 12
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (dedicated slot)
Internal32GB 2GB RAM128GB 6GB RAM, 128GB 8GB RAM
 eMMC 5.1-
Main Camera
FeaturesLED flash, HDR, panoramaLED flash, HDR, panorama
Single13 MP, f/2.2, 27mm (wide), AF-
Triple-48 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)
Video1080p@30fps4K@30fps, 1080p@30fps, gyro-EIS
Selfie camera
Features-HDR
Single5 MP, f/1.816 MP, f/2.0, (wide), 1/3.06" 1.0µm
VideoUnspecified1080p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth5.0, A2DP, LE5.0, A2DP, LE
NFCNoNo
PositioningGPS, GLONASS, GALILEO, BDSGPS, GLONASS, GALILEO, BDS
RadioFM radioFM radio
USBmicroUSB 2.0, OTGUSB Type-C 2.0, OTG
WLANWi-Fi 802.11 b/g/n, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Features
SensorsAccelerometer, proximity, compassFingerprint (side-mounted), accelerometer, gyro, proximity, compass
Battery
Charging10W wired 5W reverse wired18W wired, 70% in 67 min
Type5000 mAh5000 mAh
Misc
ColorsStarry Blue, Pearl White, Mint GreenTitanium Sapphire, Crystal Symphony
ModelsV2044V2031
PriceAbout 110 EURAbout 200 EUR
SAR-0.87 W/kg (head)     0.39 W/kg (body)