Compare: vivo Y51a vs vivo Y31
General Features
-
6.58"IPS LCD
-
48MPTriple Camera
-
8GB RAMSnapdragon 662
-
5000mAhLi-Po
Pros
SD Card area available
FM Radio support
Dual sim support
High RAM capacity
Cons
Not water resistant
No Infrared
Brand
vivo
Announced
2021, January 08
Release Date
2021, January
Status
Coming soon
Out Price
Display
Type
IPS LCD
Aspect Ratio and PPI
21:9 ratio - 415 ppi density
Size
6.58 inches, 101.5 cm2 (~82.2% screen-to-body ratio)
Resolution
1080 x 2408 pixels
Peak brightness (nit)
Protection
Features
BODY
Colors
Titanium Sapphire
Crystal Symphony
Dimensions
163.9 • 75.3 • 8.4 mm (6.45 • 2.96 • 0.33 in)
Weight
188 gr (6.63 oz)
Material
Certification
Waterproof
No
Sensors
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
3.5mm Jack
Yes
NFC
No
Infrared
No
USB Type
USB Type-C 2.0, USB On-The-Go
Loudspeaker Loudness (dB)
PLATFORM
Chipset
Qualcomm Snapdragon 662 (SM6115)
CPU
Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
Bits
Cores
8 Core
Process technology
11 nm
GPU
Adreno 610
GPU Cores
GPU Frequency
OS
Android 11, Funtouch 11
MEMORY
RAM Capacity
8GB RAM
RAM Type
Storage
128GB ROM
SD Card Slot
microSDXC (dedicated slot)
PERFORMANCE SCORES
Antutu Score
178.000
Antutu
v8
Geek Bench Score
GeekBench
Single Score
BATTERY
Capacity
5000
Type
Li-Po
Quick Charge Technology
Video Playback Time
Fast Charging
18W
Wireless Charging
No
Main Camera
First Camera
Resolution
48 MP
Sensor
Aperture
f/1.8
Pixel Size
0.8µm
Sensor Size
1/2.0"
Optical Zoom
Lens
Wide
Extra
PDAF
Second Camera
Resolution
8 MP
Sensor
Aperture
f/2.2
Pixel Size
1.12µm
Sensor Size
1/4.0"
Optical Zoom
Lens
120?, (ultrawide)
Extra
Third Camera
Resolution
2 MP
Sensor
Aperture
f/2.4
Pixel Size
Sensor Size
Optical Zoom
Lens
Macro
Extra
Fourth Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Optical Zoom
Lens
Extra
Fifth Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Optical Zoom
Lens
Extra
Sixth Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Optical Zoom
Lens
Extra
Image Resolution
48 megapixels
Video Resolution and FPS
4K@30fps, 1080p@30fps
Optical Stabilisation (OIS)
No
Electronic Stabilisation (EIS)
Yes
Slow Motion Video
Yes
Features
DxOMark Score
Mobile Score (Rear)
Mobile
Selfie Score
Selfie
Selfie Camera
First Camera
Resolution
16 MP
Sensor
Aperture
f/2.0
Pixel Size
Sensor Size
Extra
Second Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Extra
Third Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Extra
Video Resolution and FPS
1080p@30fps
Features
HDR
CONNECTIVITY
Technology
GSM / HSPA / LTE
2G Bands
GSM - 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Bands
HSDPA - 850 / 900 / 2100
4G Bands
1, 3, 5, 8, 40
5G Bands
TD-SCDMA
Navigation
Yes, with A-GPS, GLONASS, GALILEO, BDS
Network Speed
HSPA 42.2/5.76 Mbps, LTE-A
SIM Card Type
Dual SIM (Nano-SIM, dual stand-by)
Number of SIM Area
2 SIM
Wi-Fi
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Bluetooth
5.0, A2DP, LE
OTHERS
VoLTE
Yes
FM Radio
Yes
SAR The FCC limit is 1.6 W/kg measured in a volume of 1 gram of tissue.
Body SAR (EU)
Head SAR (EU)
Body SAR (USA)
Head SAR (USA)
Additional
Extra
Cooling System
No
HDMI
General Features
-
4.7"IPS LCD
-
8MP720p
-
1GB RAMMT6580
-
2100 mAhLi-Po
Pros
Low sar value (USA)
SD Card area available
FM Radio support
Dual sim support
Cons
Low battery capacity
HD+ Screen
Brand
Vivo
Announced
Release Date
2015, October
Status
Available
Out Price
About 130 EUR
Display
Type
IPS LCD
Aspect Ratio and PPI
16:9 ratio - 312 ppi density
Size
4.7 inches, 60.9 cm2 (~64.5% screen-to-body ratio)
Resolution
720 x 1280 pixels
Peak brightness (nit)
Protection
Features
BODY
Colors
White
Black
Dimensions
137.2 x 68.8 x 8.4 mm (5.40 x 2.71 x 0.33 in)
Weight
137 gr (4.83 oz)
Material
Plastic
Certification
Waterproof
Sensors
Accelerometer, proximity, compass
3.5mm Jack
Yes
NFC
No
Infrared
USB Type
microUSB 2.0
Loudspeaker Loudness (dB)
PLATFORM
Chipset
Mediatek MT6580 (28 nm)
CPU
Quad-core 1.3 GHz Cortex-A7
Bits
32Bit
Cores
4
Process technology
28 nm
GPU
Mali-400MP2
GPU Cores
2
GPU Frequency
OS
Android 5.1 (Lollipop); Funtouch 2.1
MEMORY
RAM Capacity
1GB
RAM Type
Storage
8GB
SD Card Slot
microSD, up to 256 GB (dedicated slot)
PERFORMANCE SCORES
Antutu Score
Antutu
Geek Bench Score
GeekBench
Single Score
BATTERY
Capacity
2100
Type
Li-Po
Quick Charge Technology
Video Playback Time
Fast Charging
Wireless Charging
Main Camera
First Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Optical Zoom
Lens
Extra
Second Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Optical Zoom
Lens
Extra
Third Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Optical Zoom
Lens
Extra
Fourth Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Optical Zoom
Lens
Extra
Fifth Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Optical Zoom
Lens
Extra
Sixth Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Optical Zoom
Lens
Extra
Image Resolution
3264 x 2448 pixels, 7.99 MP
Video Resolution and FPS
720@30
Optical Stabilisation (OIS)
No
Electronic Stabilisation (EIS)
Slow Motion Video
Features
DxOMark Score
Mobile Score (Rear)
Mobile
Selfie Score
Selfie
Selfie Camera
First Camera
Resolution
2 MP
Sensor
Aperture
Pixel Size
Sensor Size
Extra
Second Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Extra
Third Camera
Resolution
Sensor
Aperture
Pixel Size
Sensor Size
Extra
Video Resolution and FPS
null
Features
CONNECTIVITY
Technology
GSM / HSPA
2G Bands
GSM - 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Bands
HSDPA - 850 / 900 / 2100
4G Bands
5G Bands
TD-SCDMA
Navigation
Yes, with A-GPS
Network Speed
HSPA
SIM Card Type
Dual SIM
Number of SIM Area
2
Wi-Fi
Wi-Fi 802.11 b/g/n, hotspot
Bluetooth
4.0, A2DP
OTHERS
VoLTE
FM Radio
Yes
SAR The FCC limit is 1.6 W/kg measured in a volume of 1 gram of tissue.
Body SAR (EU)
Head SAR (EU)
Body SAR (USA)
0.722 W/kg
Head SAR (USA)
0.64 W/kg
Additional
Extra
Cooling System
HDMI
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