Comparisons / Comparison of Oppo A55 5G and Vivo Y31s

Comparison of Oppo A55 5G and Vivo Y31s [S]ave

Attribute
Oppo A55 5G ×
Vivo Y31s ×
General
BrandOppoVivo
Launch
Announced2021-01-252021-01-12
Body
Width (mm)8.48.4
Length (mm)163.9164.2
Height (mm)75.775.4
Weight (g)186185.5
SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
Network
Technology
  • 5G
  • CDMA
  • GSM
  • HSPA
  • LTE
  • 5G
  • CDMA
  • CDMA2000
  • GSM
  • HSPA
  • LTE
2G bands
  • CDMA 800
  • GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • CDMA 800
  • GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
  • HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
  • CDMA2000 1x
  • HSDPA 850 / 900 / 1700(AWS) / 2100
4G bands
  • 1, 3, 5, 8, 34, 38, 39, 40, 41
  • 1, 3, 4, 5, 8, 28, 34, 38, 39, 40, 41
5G bands
  • 1, 28, 41, 77, 78
  • 1, 3, 28, 41, 77, 78 SA/NSA
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A
  • 5G
  • HSPA 42.2/5.76 Mbps
  • LTE-A
Platform
OSAndroid 11Android 11
ChipsetMediaTek MT6833 Dimensity 700 5G (7 nm)Qualcomm SM4350 Snapdragon 480 5G (8 nm)
CPUOcta-core (4x2.2 GHz Cortex-A76 & 4x2.0 GHz Cortex-A55)Octa-core (2x2.0 GHz Kryo 460 & 6x1.8 GHz Kryo 460)
GPUMali-G57 MC2Adreno 619
Memory
Card slotmicroSDXCNo
Internal
  • 128GB 6GB RAM
  • 128GB 4GB RAM
  • 128GB 6GB RAM
Display
Size (in)6.56.58
Resolution (px)720 x 16001080 x 2408
Display TypeIPS LCDIPS LCD
Battery
TypeLi-PoLi-Po
ChargingCharging 10WFast charging 18W
Capcity (mAh)50005000
Main Camera
Main Camera TypeTripleDual
Main Camera Properties
  • 13 MP, f/2.2, 25mm (wide), 1/3.06", 1.12µm, PDAF
  • 2 MP, f/2.4, (depth)
  • 2 MP, f/2.4, (macro)
  • 13 MP, f/2.2, (wide), PDAF
  • 2 MP, f/2.4, (depth)
Main Camera Video1080p@30fps4K@30fps, 1080p@30fps
Main Camera FeaturesLED flash, HDR, panoramaLED flash, HDR, panorama
Selfie Camera
Selfie Camera TypeSingleSingle
Selfie Camera Properties
  • 8 MP, f/2.0, (wide)
  • 8 MP, f/2.0, (wide)
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/6, dual-band, Wi-Fi Direct, hotspot
Bluetooth5.1, A2DP, LE, aptX HD5.1, A2DP, LE, aptX HD
GPS++
NFC--
RadioNoNo
USBUSB Type-C 2.0, USB On-The-GoUSB Type-C 2.0, USB On-The-Go
Sound
Loudspeaker++
3.5mm jack++
Features
Sensors
  • Fingerprint (side-mounted)
  • accelerometer
  • compass
  • gyro
  • proximity
  • Fingerprint (side-mounted)
  • accelerometer
  • compass
  • proximity
Misc
Colors
  • Black
  • Blue
  • Aurora
  • Gray
  • Red
Models
  • PEMM00
  • V2054A



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