Comparisons / Comparison of Vivo Y51 (2020, September) and Vivo S1 (China)

Comparison of Vivo Y51 (2020, September) and Vivo S1 (China) [S]ave

Attribute
Vivo S1 (China)
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Vivo Y51 (2020, September)
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General
BrandVivoVivo
Launch
Announced2019-03-012020-09-15
Body
Width (mm)8.58.7
Length (mm)162159.3
Height (mm)7675.2
Weight (g)189.5186.7
SIMDual SIM (Nano-SIM, dual stand-by)Hybrid Dual SIM (Nano-SIM, dual stand-by)
Network
Technology
  • CDMA
  • GSM
  • HSPA
  • LTE
  • GSM
  • HSPA
  • LTE
2G bands
  • CDMA 800 & TD
  • GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • GSM 850 / 900 / 1800 / 1900
3G bands
  • HSDPA 850 / 900 / 2100
  • HSDPA 850 / 900 / 2100
4G bands
  • 1, 3, 5, 8, 34, 38, 39, 40, 41
  • 1, 3, 5, 8, 40
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat7 300/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A
Platform
OSAndroid 9.0 (Pie)Android 10
ChipsetMediatek MT6771 Helio P70 (12nm)Qualcomm SDM665 Snapdragon 665 (11 nm)
CPUOcta-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
GPUMali-G72 MP3Adreno 610
Memory
Card slotmicroSDXCmicroSDXC (uses shared SIM slot)
Internal
  • 128GB 4GB RAM
  • 128GB 6GB RAM
  • 128GB 4GB RAM
Display
Size (in)6.536.38
Resolution (px)1080 x 23401080 x 2340
Display TypeIPS LCDSuper AMOLED
Battery
TypeLi-PoLi-Po
ChargingFast charging 18WFast charging 18W
Capcity (mAh)39404500
Main Camera
Main Camera TypeTripleQuad
Main Camera Properties
  • 12 MP, f/1.8, 13mm (ultrawide), PDAF
  • 5 MP, f/2.4, (depth)
  • 8 MP, f/2.2, (wide)
  • 2 MP, f/2.4, (depth)
  • 2 MP, f/2.4, (macro)
  • 48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF
  • 8 MP, f/2.2, 120˚, (ultrawide), 1/4.0", 1.12µm
Main Camera Video1080p@30fps1080p@30fps, gyro-EIS
Main Camera FeaturesLED flash, HDR, panoramaLED flash, HDR, panorama
Selfie Camera
Selfie Camera TypeSingleSingle
Selfie Camera Properties
  • Motorized pop-up 25 MP, f/2.0
  • 16 MP, f/2.0, (wide), 1/3.06" 1.0µm
Selfie Camera Video1080p@30fps1080p@30fps
Selfie Camera FeaturesHDRHDR
Comms
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspotWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Bluetooth5.0, A2DP, LE5.0, A2DP, LE
GPS++
NFC--
RadioFM radioFM radio
USBmicroUSB 2.0USB Type-C 2.0, USB On-The-Go
Sound
Loudspeaker++
3.5mm jack++
Features
Sensors
  • Fingerprint (rear-mounted)
  • accelerometer
  • compass
  • proximity
  • Fingerprint (under display
  • accelerometer
  • compass
  • gyro
  • optical)
  • proximity
Misc
Colors
  • Blue
  • Ice black
  • Pink
  • Dreamy White
  • Jazzy Blue
  • Mystic Black
Models
  • V1831A
  • V1831T
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