Category Breakdown
vivo Y31
vivo Y51a
Performance
62.564.8
Camera
47.147.9
Display
70.570.5
Battery
58.558.5
Build
68.868.8
Overall
60.361.1
Summary
- The vivo Y31 and vivo Y51a both feature a 6.58-inch IPS LCD display with a resolution of 1080 x 2408 pixels and a 60Hz refresh rate.
- They share the same Snapdragon 662 chipset, providing similar performance, but the Y51a offers more RAM options, with configurations up to 8GB compared to the Y31's maximum of 6GB.
- In terms of camera capabilities, the Y51a includes an additional 8 MP ultrawide lens alongside the 48 MP main camera, while both models have a 16 MP front camera.
- Both devices are equipped with a 5000 mAh battery and support 18W charging.
- The Y31 runs on Android 11 with Funtouch 11, while the Y51a can be upgraded to Android 12 with Funtouch 12, providing a slightly enhanced software experience.
Side-by-side Specification Comparison
vivo Y31
vivo Y51a
General
Release Date
2021, January 20
2021, January 08
Announced
2021, January 20
2021, January 08
Description
N/A
N/A
Display
Size
6.58"
6.58"
Type
IPS LCD
IPS LCD
Resolution
1080 x 2408 pixels, 20:9 ratio (~401 ppi density)
1080 x 2408 pixels, 20:9 ratio (~401 ppi density)
PPI
1080
1080
Refresh Rate
60Hz
60Hz
Peak Brightness
N/A
N/A
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
Qualcomm SM6115 Snapdragon 662 (11 nm)
Qualcomm SM6115 Snapdragon 662 (11 nm)
CPU
Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
GPU
Adreno 610
Adreno 610
Memory
64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
128GB 6GB RAM, 128GB 8GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (dedicated slot)
microSDXC (dedicated slot)
Camera
Main Camera
48 MP
48 MP
Main Camera Details
48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF2 MP, f/2.4, (macro)2 MP, f/2.4, (depth)
48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF8 MP, f/2.2, 120˚, (ultrawide), 1/4.0", 1.12µm2 MP, f/2.4, (macro)
Front Camera
16 MP
16 MP
Front Camera Details
16 MP, f/2.0, (wide), 1/3.06" 1.0µm
16 MP, f/2.0, (wide), 1/3.06" 1.0µm
Video Recording
4K@30fps, 1080p@30fps, gyro-EIS
4K@30fps, 1080p@30fps, gyro-EIS
Selfie Video
1080p@30fps
1080p@30fps
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
5000 mAh
5000 mAh
Battery Details
5000 mAh
5000 mAh
Charging Details
18W wired, 70% in 67 min
18W wired, 70% in 67 min
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
163.9 x 75.3 x 8.4 mm (6.45 x 2.96 x 0.33 in)
163.9 x 75.3 x 8.4 mm (6.45 x 2.96 x 0.33 in)
Weight
188 g
188 g
Materials
N/A
N/A
Water Resistance
N/A
N/A
Colors
Racing Black, Ocean Blue
Titanium Sapphire, Crystal Symphony
Foldable
✗
✗
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE
GSM / HSPA / LTE
Network Speed
HSPA, LTE
HSPA, LTE
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
5.0, A2DP, LE
5.0, A2DP, LE
NFC
✗
✗
USB
USB Type-C 2.0, OTG
USB Type-C 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS, GALILEO, BDS
GPS, GLONASS, GALILEO, BDS
Software
Operating System
Android 11, Funtouch 11
Android 11, upgradable to Android 12, Funtouch 12
OS Version
Android 11, Funtouch 11
Android 11, upgradable to Android 12, Funtouch 12
Security
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes

