Phone Comparison - Oppo A31 vs vivo Y51a

Oppo A31
oppo a31
vivo Y51a
vivo y51a
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general General Info

Manufacturer Oppo vivo
Announced February 2020 January 2021
Status Available - February 2020 Coming Soon - January 2021
Price Rs. 11,490 ($0.00) [Similarly Priced] -
Colors Fantasy White, Mystery Black Titanium Sapphire, Crystal Symphony
Form Factor Candybar Candybar
Dimension 163.9 x 75.5 x 8.3 mm
(6.45 x 2.97 x 0.33 in)
163.9 x 75.3 x 8.4 mm
(6.45 x 2.96 x 0.33 in)
Weight 180 g (6.35 oz) 188 g (6.63 oz)
SIM Type Dual SIM (Nano-SIM, dual stand-by) Dual SIM (Nano-SIM, dual stand-by)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 2100
4G Network LTE (unspecified) 1, 3, 5, 8, 40
Messaging
Build Features - Fingerprint Sensor
- Fingerprint Sensor (side-mounted)

hardware Hardware and OS

OS Android 9.0 (Pie) Android 11
User Interface ColorOS 6.1 Funtouch 11
Processor Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53), Mediatek MT6765V/CB Helio P35 (12nm) [Similar] Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver), Qualcomm SM6115 Snapdragon 662 (11 nm) [Similar]
GPU PowerVR GE8320 [Similar] Adreno 610 [Similar]
RAM 4 GB [Browse Similar] 8 GB [Browse Similar]
Internal Memory 128 GB 128 GB
External Memory microSDXC (dedicated slot) microSDXC (dedicated slot)

display Display

Type IPS LCD Capacitive Touchscreen IPS LCD Screen
Colors 16M colors 16M Colour
Size 6.5 inches [Similar] 6.58 inches [Similar]
Resolution 720 x 1600 pixels (270 ppi) 1080 x 2408 pixels (401 ppi)
Screen-to-Body Ratio 82.39% 84.54%
Multi-Touch yes yes

multimedia Multimedia

3.5mm Jack yes yes
Radio FM radio FM radio
Games Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes

camera Camera

Rear Camera 12 MP + 2 MP + 2 MP [Similar] 48 MP + 8 MP + 2 MP [Similar]
Flash LED Flash LED Flash
Features 12 MP, f/1.8, (wide), PDAF
2 MP, f/2.4, 27mm (macro), 1/5.0", 1.75µm
2 MP, f/2.4, (depth)
HDR, Panorama
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, f/2.4, (macro)
HDR, Panorama
Video 1080p@30fps 4K@30fps, 1080p@30fps, gyro-EIS
Front Camera 8 MP, f/2.0, HDR, 1080p@30fps [Similar] 16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm
HDR
1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes
Edge Yes Yes
3G HSPA 42.2/5.76 Mbps, LTE-A HSPA 42.2/5.76 Mbps, LTE-A
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
USB microUSB 2.0, USB On-The-Go USB Type-C 2.0, USB On-The-Go
GPS Yes, with A-GPS, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser Yes Yes

memory User Memory

Internal 128 GB, 4 GB RAM 128 GB, 8 GB RAM
Expandable Storage microSDXC (dedicated slot) microSDXC (dedicated slot)
USB OTG Supported Supported

Apps Sensors

Fingerprint fingerprint supported fingerprint supported
Proximity Sensor proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present
Magnetic-Field Sensor (Compass) magnetic field sensor present magnetic field sensor present
Gyroscope Sensor gyroscope sensor not present gyroscope sensor present
NFC NFC not supported NFC not supported

battery Battery

Type Non-removable Li-Po Battery Non-removable Li-Po Battery
Fast battery charging 18W
Capacity 4230 mAh 5000 mAh
Stand by - -
Talk Time - -