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Yezz Billy 4 4GB vs vivo Y31 (2015) 8GB: Full Comparison!

Created date: 2018-09-30 23:21:45, Updated date: 2020-04-16 14:46:26

Yezz Billy 4 4GBvivo Y31 (2015) 8GB
Yezz Billy 4 4GBvivo Y31 (2015) 8GB

How did the evaluations between the "Yezz Billy 4 4GB" and "vivo Y31 (2015) 8GB" differ when we compared the two? We reviewed each of the most commonly scrutinized features. If you are thinking about which smartphone to get, check out this review immediately!

Yezz Billy 4 4GBvivo Y31 (2015) 8GB
Yezz Billy 4 4GB

vivo Y31 (2015) 8GB

General rating:

34.4/100

(The 1889th of all smartphones)

41.7/100

(The 1692th of all smartphones)

Portability
78/100
73/100
Weight
86/100
75/100
Size of screen
58/100
69/100
Screen clarity
42/100
64/100
Battery duration
29/100
51/100
Processing capability
14/100
16/100
Memory capacity
5/100
20/100
Storage capacity
11/100
24/100
Rear camera function
50/100
50/100
Front camera function
27/100
15/100

Compare Performance and Usability

Size comparison of "Yezz Billy 4 4GB" and "vivo Y31 (2015) 8GB". Which one would you choose?

Your device's size has a huge influence on how easy it is to hold or to operate with one hand. The smaller your device's width, the easier it will be to hold, but you'll also need to take device thickness into account. And when the length and width are both smaller, you'll find that it's much easier for you to operate it one-handed, since your fingers will find it much easier to reach where you want them to. On the other hand, longer lengths and wider widths might lead to devices that are hard to carry in your pocket, bulky even when you keep them in your bag, and all around less portable.

The "Yezz Billy 4 4GB" is 64.4mm wide, 122.5mm tall, and 9.9mm thick. The "vivo Y31 (2015) 8GB" is 68.8mm tall, 137.2mm wide, and 8.4mm thick.

Comparing the width and thickness of the main unit, the "Yezz Billy 4 4GB" is smaller and more compact compared to the "vivo Y31 (2015) 8GB". Therefore, it is easier to grip and hold the "Yezz Billy 4 4GB" than the "vivo Y31 (2015) 8GB". For this reason, the "Yezz Billy 4 4GB" is recommended.

Comparing the width and height of the devices, the "Yezz Billy 4 4GB" is more compact than the "vivo Y31 (2015) 8GB". The "Yezz Billy 4 4GB" is easier to carry around than the "vivo Y31 (2015) 8GB" and easier to use with one hand. For a smartphone that is comfortable and easy to operate with one hand, and can fit neatly in your pocket or bag, we recommend that you buy the "Yezz Billy 4 4GB" rather than the "vivo Y31 (2015) 8GB".

Comparing the overall sizes, the "Yezz Billy 4 4GB" is significantly smaller than the "vivo Y31 (2015) 8GB". The "Yezz Billy 4 4GB" is more convenient than the "vivo Y31 (2015) 8GB" to use with one hand, and it is less likely to get in your way when not using it. If you prefer a smartphone that is easy to carry around and easy to use with one hand, we recommend that you buy the "Yezz Billy 4 4GB" rather than the "vivo Y31 (2015) 8GB".

ScoreDimensions (width x height x thickness)
Yezz Billy 4 4GB78/10064.4mm x 122.5mm x 9.9mm
vivo Y31 (2015) 8GB73/10068.8mm x 137.2mm x 8.4mm

Which one is easier to hold, "Yezz Billy 4 4GB" or "vivo Y31 (2015) 8GB"? Compare weight

The device weight will effect how quickly you tire from holding it, and how much stress is put on your wrist. The lighter it is, the longer you can hold it without feeling tired. Also, less stress on your wrist will make using it easier and more pleasant. Unless the weight is right for you, it might put too much strain on your body and make using it more stressful.

The "Yezz Billy 4 4GB" weighs 109.0g. The "vivo Y31 (2015) 8GB" clocks in at 137.0g. If you compare the weight of the two, the "Yezz Billy 4 4GB" is a considerably lighter smartphone than the "vivo Y31 (2015) 8GB", with a difference of about 28g. Because of this, the "Yezz Billy 4 4GB" puts less of a burden on the fingers and wrists than the "vivo Y31 (2015) 8GB". If you want a smartphone that won't tire your hands out even when using it for a long time, we recommend that you buy the "Yezz Billy 4 4GB" rather than the "vivo Y31 (2015) 8GB".

ScoreWeight
Yezz Billy 4 4GB86/100109.0g
vivo Y31 (2015) 8GB75/100137.0g

Which is better in terms of display, "Yezz Billy 4 4GB" or "vivo Y31 (2015) 8GB"?

Screen size influences how well you can control your device, as well as how clear the display is. With a large screen, the text and buttons in apps will display large enough so you'll be less likely to accidentally tap the button next to the one you were aiming for. Plus, you'll be able to enjoy more high-impact visuals for games and movies.

The screen size on the "Yezz Billy 4 4GB" is 4.0inch, and 4.7inch on the "vivo Y31 (2015) 8GB". Comparing the sizes of the screens and displays, the "vivo Y31 (2015) 8GB" is considerably larger than the "Yezz Billy 4 4GB", with a difference of about 0.7inch. Compared to the "Yezz Billy 4 4GB", the "vivo Y31 (2015) 8GB" makes buttons in apps easier to press, and the visuals look more impressive in videos and games. The larger screen of the "vivo Y31 (2015) 8GB" also has the advantage of being less tiring on the eyes. If you want to avoid tapping the wrong place, enjoy videos and games on a large screen, and not get tired eyes while using it, we recommend that you buy the "vivo Y31 (2015) 8GB" rather than the "Yezz Billy 4 4GB".

ScoreDisplay size
Yezz Billy 4 4GB58/1004.0inch
vivo Y31 (2015) 8GB69/1004.7inch

Which one has a better display, "Yezz Billy 4 4GB" or "vivo Y31 (2015) 8GB"?

Pixel density influences how nice your device's screen looks, with high pixel densities making screens look more beautiful, and letting you get more out of your games and movies. Plus, the nicer you screen looks, the less strain you'll be putting on your eyes, so you'll tend to be able to use your device for longer before your eyes get tired.

The screen on the "Yezz Billy 4 4GB" has a 480 x 800 resolution and a pixel density of 233ppi. The "vivo Y31 (2015) 8GB", on the other hand, has a screen resolution of 720 x 1280 and a pixel density of 312ppi. Comparing the screen definition, the "vivo Y31 (2015) 8GB" has a much higher pixel density than the "Yezz Billy 4 4GB", with a difference of about 79ppi. The screen on the "vivo Y31 (2015) 8GB" is clear and crisp, and puts less strain on the eyes than that of the "Yezz Billy 4 4GB". If you want to choose a smartphone that is gentle on your eyes with a display that shows text and images clearly, we recommend that you buy the "vivo Y31 (2015) 8GB" rather than the "Yezz Billy 4 4GB".

ScorePixel density
Yezz Billy 4 4GB42/100233ppi
vivo Y31 (2015) 8GB64/100312ppi

How is the battery duration of "Yezz Billy 4 4GB" different from that of "vivo Y31 (2015) 8GB" ? See the differences

Battery performance has a big effect on the battery life of your device. However, a high battery capacity doesn't necessarily mean a long battery life. Rather, the rate of power consumption needs to be taken into consideration as well. The larger the screen and the higher the CPU performance, the higher the rate of power consumption on your battery.

The "Yezz Billy 4 4GB" has a battery capacity of 1300.0mAh, while the "vivo Y31 (2015) 8GB" has a 2100.0mAh battery. With regards to battery performance, the "vivo Y31 (2015) 8GB" has a substantially larger battery capacity than the "Yezz Billy 4 4GB", with a difference of 800mAh. The "vivo Y31 (2015) 8GB" can be used without charging for a longer time than the "Yezz Billy 4 4GB", so it can be used when out and about. If you want a smartphone with a longer-lasting battery, we recommend that you buy the "vivo Y31 (2015) 8GB" rather than the "Yezz Billy 4 4GB".

ScoreBattery capacity
Yezz Billy 4 4GB29/1001300.0mAh
vivo Y31 (2015) 8GB51/1002100.0mAh

Which is better in terms of CPU function, "Yezz Billy 4 4GB" or "vivo Y31 (2015) 8GB"?

Your CPU's speed will influence the processing power of the applications you run, and together with the number of cores in the CPU, as well as its clock frequency, will determine the processing power available for apps. The higher these performance factors, the smoother your games and apps will run. Conversely, if these factors are too low, your apps and games will be sluggish and struggle to run.

The "Yezz Billy 4 4GB" is equipped with a Qualcomm MSM8212 Snapdragon 200 processor, and its performance speed is 1.2GHz×4(4.0-cores). The "vivo Y31 (2015) 8GB" uses an Mediatek MT6580 CPU that performs at a speed of 1.3GHz×4(4.0-cores). There is also no real discrepancy between the CPU performances of the "Yezz Billy 4 4GB" and "vivo Y31 (2015) 8GB". Because of this, both phones will feel practically identical in terms of smoothness when running apps and ease of game play. This is why it is better to compare them based on other aspects of performance and function.

ScoreCPU specs
Yezz Billy 4 4GB14/1001.2GHz×4(4.0-cores)
vivo Y31 (2015) 8GB16/1001.3GHz×4(4.0-cores)

How is "Yezz Billy 4 4GB" different from "vivo Y31 (2015) 8GB" in terms of memory capacity?

Your device's multimedia performance and app stability are both influenced by the amount of memory it has available. The more memory, the more apps you can use simultaneously, while keeping everything stable and smooth. Plus, there'll be less chance of animations lagging or apps crashing. You also need to keep in mind that some games won't run at all if there's not enough memory available.

The "Yezz Billy 4 4GB" has 512.0MB of memory. The "vivo Y31 (2015) 8GB", on the other hand, has 1.0GB. As for memory performance, the "vivo Y31 (2015) 8GB" has a larger memory capacity than the "Yezz Billy 4 4GB", with a difference of about 511GB. The "vivo Y31 (2015) 8GB" has better multitasking, less crashing, and runs 3D games and VR video better than the "Yezz Billy 4 4GB". If you're looking for a smartphone that will remain stable even when you are using multiple apps at the same time, and which will allow you to play 3D games and VR video comfortably, we recommend that you buy the "vivo Y31 (2015) 8GB" rather than the "Yezz Billy 4 4GB".

ScoreRAM size
Yezz Billy 4 4GB5/100512.0MB
vivo Y31 (2015) 8GB20/1001.0GB

Which has a better storage capacity, "Yezz Billy 4 4GB" or "vivo Y31 (2015) 8GB"?

Storage capacity determines the amount of data you'll be able to save on your device. The more storage you have, the more photos you can take and the more apps you can install. Plus, if your smartphone is compatible with SD cards, then you can increase the amount of available storage. However, SD cards have a slower writespeed, making them less desirable in terms of performance, and users should be aware that it won't be possible to transfer all kinds of data to the card.

The "Yezz Billy 4 4GB" has 4.0GB of storage, while the "vivo Y31 (2015) 8GB" has 8.0GB. In terms of ROM and data storage, the "vivo Y31 (2015) 8GB" has a much larger capacity than the "Yezz Billy 4 4GB", with a difference of about 4GB. The "vivo Y31 (2015) 8GB" can save more photos and keep more apps installed than the "Yezz Billy 4 4GB". If you're searching for a smartphone that can store more data, we recommended that you buy the "vivo Y31 (2015) 8GB" rather than the "Yezz Billy 4 4GB".

ScoreStorage size
Yezz Billy 4 4GB11/1004.0GB
vivo Y31 (2015) 8GB24/1008.0GB

Compare the rear cameras of "Yezz Billy 4 4GB" and "vivo Y31 (2015) 8GB". Which one has better picture quality?

One factor in how well your rear camera (the camera on the back of your device) performs is its megapixel count. With a higher megapixel count, you'll be able to take photos with sharper detail, photos that stay clear and sharp even when printed.

The main camera on the "Yezz Billy 4 4GB" has 8.0MP. The "vivo Y31 (2015) 8GB" has 8.0MP. The rear facing cameras of the "Yezz Billy 4 4GB" and "vivo Y31 (2015) 8GB" have roughly the same performance, so the quality of the photograph and video footage they can capture is around the same. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreRear-camera resolution
Yezz Billy 4 4GB50/1008.0MP
vivo Y31 (2015) 8GB50/1008.0MP

Which has a front camera with better picture quality, "Yezz Billy 4 4GB" or "vivo Y31 (2015) 8GB"?

One indication of how well your forward facing camera (the camera on the same side as your device's screen) performs is how many megapixels it has. More megapixels means you'll be able to take photos with sharper detail, that still look amazing printed out.

The forward-facing camera on the "Yezz Billy 4 4GB" has a resolution of 3.0MP. The "vivo Y31 (2015) 8GB"'s has 2.0MP. The front-facing camera of the "Yezz Billy 4 4GB" has a significantly higher number of pixels than the "vivo Y31 (2015) 8GB", with a difference of about 1MP. Therefore, the "Yezz Billy 4 4GB" is more suitable for taking photos and videos than the "vivo Y31 (2015) 8GB". If you want to take and print high-quality selfies, we recommend buying the "Yezz Billy 4 4GB" rather than the "vivo Y31 (2015) 8GB".

ScoreFront-camera resolution
Yezz Billy 4 4GB27/1003.0MP
vivo Y31 (2015) 8GB15/1002.0MP

Compare Performance Specs

Yezz Billy 4 4GBvivo Y31 (2015) 8GB
ImageYezz Billy 4 4GBvivo Y31 (2015) 8GB
MakerYezzvivo
Release date2014-102015-10
ColorWhite/Black/Red/Gun Metal/Blue/Yellow/Champing GoldWhite/Black
OSWindowsAndroid
Dimensions (width x height x thickness)64.4mm x 122.5mm x 9.9mm68.8mm x 137.2mm x 8.4mm
Weight109.0g137.0g
Display size4.0inch4.7inch
Display typeTFTIPS LCD
Screen resolution (width x height)480 x 800720 x 1280
Pixel density233ppi312ppi
Battery capacity1300.0mAh2100.0mAh
ChipsetQualcomm MSM8212 Snapdragon 200Mediatek MT6580
CPU specs1.2GHz×4(4.0-cores)1.3GHz×4(4.0-cores)
RAM size512.0MB1.0GB
Storage size4.0GB8.0GB
Rear-camera resolution8.0MP8.0MP
Front-camera resolution3.0MP2.0MP

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