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Which should you buy, the vivo X50 Pro+ 256GB or vivo Y91i (2018) 16GB? We offer a thorough comparison of the differences in functions, specifications and performance between the two

Created date: 2020-05-31 13:41:46, Updated date: 2022-06-02 16:53:51

vivo X50 Pro+ 256GBvivo Y91i (2018) 16GB
vivo X50 Pro+ 256GBvivo Y91i (2018) 16GB

Are you having trouble comparing the differences in features and performance of the "vivo X50 Pro+ 256GB" and "vivo Y91i (2018) 16GB", or unsure about their differences in ease-of-use, and wondering which to buy? We did a deep-dive comparison of the features, specs, and capabilities of these two smartphone, and provided our rating of which one was a better buy.

vivo X50 Pro+ 256GBvivo Y91i (2018) 16GB
vivo X50 Pro+ 256GB

vivo Y91i (2018) 16GB

General rating:
Portabilityrating-image3.3
66/100
rating-image3.1
62/100
Weightrating-image2.9
57/100
rating-image3.2
64/100
Size of screenrating-image4.5
90/100
rating-image4.5
90/100
Screen clarityrating-image4.2
84/100
rating-image2.7
54/100
Battery durationrating-image4.0
80/100
rating-image4.0
80/100
Processing capabilityrating-image4.9
98/100
rating-image3.0
60/100
Memory capacityrating-image5.0
99/100
rating-image2.5
50/100
Storage capacityrating-image4.6
91/100
rating-image2.5
50/100
Rear camera functionrating-image4.9
98/100
rating-image3.1
61/100
Front camera functionrating-image4.9
97/100
rating-image2.9
58/100

Compare Performance and Usability

Size comparison of "vivo X50 Pro+ 256GB" and "vivo Y91i (2018) 16GB". 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 "vivo X50 Pro+ 256GB" is 72.8mm wide, 158.5mm tall, and 8.0mm thick. The "vivo Y91i (2018) 16GB" is 75.1mm tall, 155.1mm wide, and 8.3mm thick.

There is no real difference between the "vivo X50 Pro+ 256GB" and "vivo Y91i (2018) 16GB" when comparing their width, thickness, and slimness; they are both around the same in terms of one-handed ease of use and carry. Because of this, it is better to compare them based on other aspects of performance and function.

There is no real difference in length or width between the "vivo X50 Pro+ 256GB" and "vivo Y91i (2018) 16GB", so they are both about the same in terms of usability, ease of carry, and bulkiness. Because of this, it is better to compare them based on other aspects of performance and function.

When comparing their sizes as a whole, there is no real difference between the "vivo X50 Pro+ 256GB"and "vivo Y91i (2018) 16GB". Thus they are roughly the same in terms of ease of carry and one-handed use. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreDimensions (width x height x thickness)
vivo X50 Pro+ 256GB66/10072.8mm x 158.5mm x 8.0mm
vivo Y91i (2018) 16GB62/10075.1mm x 155.1mm x 8.3mm

Which one is easier to hold, "vivo X50 Pro+ 256GB" or "vivo Y91i (2018) 16GB"? 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 "vivo X50 Pro+ 256GB" weighs 181.5g. The "vivo Y91i (2018) 16GB" clocks in at 163.5g. Comparing the weight of the main unit, the "vivo Y91i (2018) 16GB" is a lighter phone than the "vivo X50 Pro+ 256GB", with a difference of approximately 18g. Therefore, there is less strain on your fingers and wrists even when you use your phone for a long time on the "vivo Y91i (2018) 16GB" compared to the "vivo X50 Pro+ 256GB". For this reason, the "vivo Y91i (2018) 16GB" is recommended.

ScoreWeight
vivo X50 Pro+ 256GB57/100181.5g
vivo Y91i (2018) 16GB64/100163.5g

Which is better in terms of display, "vivo X50 Pro+ 256GB" or "vivo Y91i (2018) 16GB"?

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 "vivo X50 Pro+ 256GB" is 6.56inch, and 6.2inch on the "vivo Y91i (2018) 16GB". The screens of the "vivo X50 Pro+ 256GB" and "vivo Y91i (2018) 16GB" are roughly the same size, and so the ease of pressing app buttons are the same on both devices. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreDisplay size
vivo X50 Pro+ 256GB90/1006.56inch
vivo Y91i (2018) 16GB90/1006.2inch

Which one has a better display, "vivo X50 Pro+ 256GB" or "vivo Y91i (2018) 16GB"?

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 "vivo X50 Pro+ 256GB" has a 1080 x 2376 resolution and a pixel density of 397ppi. The "vivo Y91i (2018) 16GB", on the other hand, has a screen resolution of 720 x 1520 and a pixel density of 271ppi. Comparing the screen definition, the "vivo X50 Pro+ 256GB" has a much higher pixel density than the "vivo Y91i (2018) 16GB", with a difference of about 126ppi. The screen on the "vivo X50 Pro+ 256GB" is clear and crisp, and puts less strain on the eyes than that of the "vivo Y91i (2018) 16GB". 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 X50 Pro+ 256GB" rather than the "vivo Y91i (2018) 16GB".

ScorePixel density
vivo X50 Pro+ 256GB84/100397ppi
vivo Y91i (2018) 16GB54/100271ppi

How is the battery duration of "vivo X50 Pro+ 256GB" different from that of "vivo Y91i (2018) 16GB" ? 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 "vivo X50 Pro+ 256GB" has a battery capacity of 4315.0mAh, while the "vivo Y91i (2018) 16GB" has a 4030.0mAh battery. The batteries of both the "vivo X50 Pro+ 256GB" and "vivo Y91i (2018) 16GB" perform to the same extent. There is also no difference in the battery capacities of the "vivo X50 Pro+ 256GB" and the "vivo Y91i (2018) 16GB". Since their battery life is practically identical, it would be better to compare them based on other aspects of performance and function.

ScoreBattery capacity
vivo X50 Pro+ 256GB80/1004315.0mAh
vivo Y91i (2018) 16GB80/1004030.0mAh

Which is better in terms of CPU function, "vivo X50 Pro+ 256GB" or "vivo Y91i (2018) 16GB"?

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 "vivo X50 Pro+ 256GB" is equipped with a Qualcomm SM8250 Snapdragon 865 processor, and its performance speed is 2.84GHz+2.42GHz+1.8GHz×8(8.0-cores). The "vivo Y91i (2018) 16GB" uses an Qualcomm SDM439 Snapdragon 439 CPU that performs at a speed of 1.95GHz+1.45GHz×8(8.0-cores). Comparing CPU performance, the "vivo X50 Pro+ 256GB" has significantly higher specs than the "vivo Y91i (2018) 16GB". The "vivo X50 Pro+ 256GB" proves to be more advanced than the "vivo Y91i (2018) 16GB" in the way that apps run quickly and games play smoothly. If you're looking for a high-spec smartphone that runs quickly and plays games smoothly, we recommend that you buy the "vivo X50 Pro+ 256GB" rather than the "vivo Y91i (2018) 16GB".

ScoreCPU specs
vivo X50 Pro+ 256GB98/1002.84GHz+2.42GHz+1.8GHz×8(8.0-cores)
vivo Y91i (2018) 16GB60/1001.95GHz+1.45GHz×8(8.0-cores)

How is "vivo X50 Pro+ 256GB" different from "vivo Y91i (2018) 16GB" 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 "vivo X50 Pro+ 256GB" has 12.0GB of memory. The "vivo Y91i (2018) 16GB", on the other hand, has 2.0GB. As for memory performance, the "vivo X50 Pro+ 256GB" has a larger memory capacity than the "vivo Y91i (2018) 16GB", with a difference of about 10GB. The "vivo X50 Pro+ 256GB" has better multitasking, less crashing, and runs 3D games and VR video better than the "vivo Y91i (2018) 16GB". 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 X50 Pro+ 256GB" rather than the "vivo Y91i (2018) 16GB".

ScoreRAM size
vivo X50 Pro+ 256GB99/10012.0GB
vivo Y91i (2018) 16GB50/1002.0GB

Which has a better storage capacity, "vivo X50 Pro+ 256GB" or "vivo Y91i (2018) 16GB"?

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 "vivo X50 Pro+ 256GB" has 256.0GB of storage, while the "vivo Y91i (2018) 16GB" has 16.0GB. In terms of ROM and data storage, the "vivo X50 Pro+ 256GB" has a much larger capacity than the "vivo Y91i (2018) 16GB", with a difference of about 240GB. The "vivo X50 Pro+ 256GB" can save more photos and keep more apps installed than the "vivo Y91i (2018) 16GB". If you're searching for a smartphone that can store more data, we recommended that you buy the "vivo X50 Pro+ 256GB" rather than the "vivo Y91i (2018) 16GB".

ScoreStorage size
vivo X50 Pro+ 256GB91/100256.0GB
vivo Y91i (2018) 16GB50/10016.0GB

Compare the rear cameras of "vivo X50 Pro+ 256GB" and "vivo Y91i (2018) 16GB". 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 "vivo X50 Pro+ 256GB" has 50.0MP. The "vivo Y91i (2018) 16GB" has 13.0MP. The rear-facing camera of the "vivo X50 Pro+ 256GB" also has a higher pixel count than the "vivo Y91i (2018) 16GB", with a difference of about 37MP. The "vivo X50 Pro+ 256GB" is more capable than the "vivo Y91i (2018) 16GB" of taking high-definition photos and videos, and produces better results when printing out the photos you have taken. If you want a smartphone that is designed for video and photography, we recommend buying the "vivo X50 Pro+ 256GB" rather than the "vivo Y91i (2018) 16GB".

ScoreRear-camera resolution
vivo X50 Pro+ 256GB98/10050.0MP
vivo Y91i (2018) 16GB61/10013.0MP

Which has a front camera with better picture quality, "vivo X50 Pro+ 256GB" or "vivo Y91i (2018) 16GB"?

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 "vivo X50 Pro+ 256GB" has a resolution of 32.0MP. The "vivo Y91i (2018) 16GB"'s has 8.0MP. The front-facing camera of the "vivo X50 Pro+ 256GB" has a significantly higher number of pixels than the "vivo Y91i (2018) 16GB", with a difference of about 24MP. Therefore, the "vivo X50 Pro+ 256GB" is more suitable for taking photos and videos than the "vivo Y91i (2018) 16GB". If you want to take and print high-quality selfies, we recommend buying the "vivo X50 Pro+ 256GB" rather than the "vivo Y91i (2018) 16GB".

ScoreFront-camera resolution
vivo X50 Pro+ 256GB97/10032.0MP
vivo Y91i (2018) 16GB58/1008.0MP

Compare Performance Specs

vivo X50 Pro+ 256GBvivo Y91i (2018) 16GB
Imagevivo X50 Pro+ 256GBvivo Y91i (2018) 16GB
Makervivovivo
Release date2020-07-112018-11
ColorBlue/BrownStarry Black/Ocean Blue/Red
OSAndroidAndroid
Dimensions (width x height x thickness)72.8mm x 158.5mm x 8.0mm75.1mm x 155.1mm x 8.3mm
Weight181.5g163.5g
Display size6.56inch6.2inch
Display typeAMOLEDIPS LCD
Screen resolution (width x height)1080 x 2376720 x 1520
Pixel density397ppi271ppi
Battery capacity4315.0mAh4030.0mAh
ChipsetQualcomm SM8250 Snapdragon 865Qualcomm SDM439 Snapdragon 439
CPU specs2.84GHz+2.42GHz+1.8GHz×8(8.0-cores)1.95GHz+1.45GHz×8(8.0-cores)
RAM size12.0GB2.0GB
Storage size256.0GB16.0GB
Rear-camera resolution50.0MP13.0MP
Front-camera resolution32.0MP8.0MP

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