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Vivo Y91 (2018) 32GB vs Xiaomi Mi 4i 32GB

Created date: 2018-12-15 23:49:07, Updated date: 2020-04-16 19:53:28

vivo Y91 (2018) 32GBXiaomi Mi 4i 32GB
vivo Y91 (2018) 32GBXiaomi Mi 4i 32GB

Here's our thorough comparison of the difference in performance and function between the "vivo Y91 (2018) 32GB" and "Xiaomi Mi 4i 32GB". Which one should you buy? We'll compare and explain what differs between the "vivo Y91 (2018) 32GB" and "Xiaomi Mi 4i 32GB" in a way that even people who aren't used to choosing between two similar products can understand.

vivo Y91 (2018) 32GBXiaomi Mi 4i 32GB
vivo Y91 (2018) 32GB

Xiaomi Mi 4i 32GB

General rating:
Portabilityrating-image3.1
62/100
rating-image3.6
72/100
Weightrating-image3.2
64/100
rating-image3.9
78/100
Size of screenrating-image4.5
90/100
rating-image3.7
74/100
Screen clarityrating-image2.7
54/100
rating-image4.3
85/100
Battery durationrating-image4.0
80/100
rating-image3.3
66/100
Processing capabilityrating-image3.6
71/100
rating-image2.8
55/100
Memory capacityrating-image3.0
60/100
rating-image2.5
50/100
Storage capacityrating-image2.8
55/100
rating-image2.8
55/100
Rear camera functionrating-image3.1
61/100
rating-image3.1
61/100
Front camera functionrating-image2.9
58/100
rating-image2.5
50/100

Compare Performance and Usability

Size comparison of "vivo Y91 (2018) 32GB" and "Xiaomi Mi 4i 32GB". 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 Y91 (2018) 32GB" is 75.1mm wide, 155.1mm tall, and 8.3mm thick. The "Xiaomi Mi 4i 32GB" is 69.6mm tall, 138.1mm wide, and 7.8mm thick.

The "Xiaomi Mi 4i 32GB" is also more compact than the "vivo Y91 (2018) 32GB" in terms of the thickness of the devices. The "Xiaomi Mi 4i 32GB" is easier than the "vivo Y91 (2018) 32GB" to hold with one hand, and you are less likely to accidentally drop it. If you're looking for a smartphone that fits nicely in your hand and can be gripped firmly, we recommend buying the "Xiaomi Mi 4i 32GB" rather than the "vivo Y91 (2018) 32GB".

Comparing the width and height of the main unit, the "Xiaomi Mi 4i 32GB" is smaller and more compact than the "vivo Y91 (2018) 32GB". As a result, the "Xiaomi Mi 4i 32GB" is easier to operate with one hand and it is more portable without getting in your way than the "vivo Y91 (2018) 32GB". Therefore, the "Xiaomi Mi 4i 32GB" is recommended.

Comparing the overall size of the main unit, the "Xiaomi Mi 4i 32GB" is smaller than the "vivo Y91 (2018) 32GB". As a result, it is easier to use the "Xiaomi Mi 4i 32GB" with one hand compared to the "vivo Y91 (2018) 32GB", and its size makes it more comfortable to carry around. For this reason, the "Xiaomi Mi 4i 32GB" is recommended.

ScoreDimensions (width x height x thickness)
vivo Y91 (2018) 32GB62/10075.1mm x 155.1mm x 8.3mm
Xiaomi Mi 4i 32GB72/10069.6mm x 138.1mm x 7.8mm

Which one is easier to hold, "vivo Y91 (2018) 32GB" or "Xiaomi Mi 4i 32GB"? 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 Y91 (2018) 32GB" weighs 163.5g. The "Xiaomi Mi 4i 32GB" clocks in at 130.0g. If you compare the weight of the two, the "Xiaomi Mi 4i 32GB" is a considerably lighter smartphone than the "vivo Y91 (2018) 32GB", with a difference of about 33.5g. Because of this, the "Xiaomi Mi 4i 32GB" puts less of a burden on the fingers and wrists than the "vivo Y91 (2018) 32GB". 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 "Xiaomi Mi 4i 32GB" rather than the "vivo Y91 (2018) 32GB".

ScoreWeight
vivo Y91 (2018) 32GB64/100163.5g
Xiaomi Mi 4i 32GB78/100130.0g

Which is better in terms of display, "vivo Y91 (2018) 32GB" or "Xiaomi Mi 4i 32GB"?

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 Y91 (2018) 32GB" is 6.22inch, and 5.0inch on the "Xiaomi Mi 4i 32GB". Comparing the sizes of the screens and displays, the "vivo Y91 (2018) 32GB" is considerably larger than the "Xiaomi Mi 4i 32GB", with a difference of about 1.21inch. Compared to the "Xiaomi Mi 4i 32GB", the "vivo Y91 (2018) 32GB" makes buttons in apps easier to press, and the visuals look more impressive in videos and games. The larger screen of the "vivo Y91 (2018) 32GB" 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 Y91 (2018) 32GB" rather than the "Xiaomi Mi 4i 32GB".

ScoreDisplay size
vivo Y91 (2018) 32GB90/1006.22inch
Xiaomi Mi 4i 32GB74/1005.0inch

Which one has a better display, "vivo Y91 (2018) 32GB" or "Xiaomi Mi 4i 32GB"?

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 Y91 (2018) 32GB" has a 720 x 1520 resolution and a pixel density of 270ppi. The "Xiaomi Mi 4i 32GB", on the other hand, has a screen resolution of 1080 x 1920 and a pixel density of 440ppi. Comparing the screen definition, the "Xiaomi Mi 4i 32GB" has a much higher pixel density than the "vivo Y91 (2018) 32GB", with a difference of about 170ppi. The screen on the "Xiaomi Mi 4i 32GB" is clear and crisp, and puts less strain on the eyes than that of the "vivo Y91 (2018) 32GB". 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 "Xiaomi Mi 4i 32GB" rather than the "vivo Y91 (2018) 32GB".

ScorePixel density
vivo Y91 (2018) 32GB54/100270ppi
Xiaomi Mi 4i 32GB85/100440ppi

How is the battery duration of "vivo Y91 (2018) 32GB" different from that of "Xiaomi Mi 4i 32GB" ? 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 Y91 (2018) 32GB" has a battery capacity of 4030.0mAh, while the "Xiaomi Mi 4i 32GB" has a 3120.0mAh battery. With regards to battery performance, the "vivo Y91 (2018) 32GB" has a substantially larger battery capacity than the "Xiaomi Mi 4i 32GB", with a difference of 910mAh. The "vivo Y91 (2018) 32GB" can be used without charging for a longer time than the "Xiaomi Mi 4i 32GB", 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 Y91 (2018) 32GB" rather than the "Xiaomi Mi 4i 32GB".

ScoreBattery capacity
vivo Y91 (2018) 32GB80/1004030.0mAh
Xiaomi Mi 4i 32GB66/1003120.0mAh

Which is better in terms of CPU function, "vivo Y91 (2018) 32GB" or "Xiaomi Mi 4i 32GB"?

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 Y91 (2018) 32GB" is equipped with a Qualcomm SDM439 Snapdragon 439 processor, and its performance speed is 1.95GHz+1.45GHz×8(8.0-cores). The "Xiaomi Mi 4i 32GB" uses an Qualcomm MSM8939 Snapdragon 615 CPU that performs at a speed of 1.7GHz+1.0GHz×8(8.0-cores). Comparing CPU performance, the "vivo Y91 (2018) 32GB" has significantly higher specs than the "Xiaomi Mi 4i 32GB". The "vivo Y91 (2018) 32GB" proves to be more advanced than the "Xiaomi Mi 4i 32GB" 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 Y91 (2018) 32GB" rather than the "Xiaomi Mi 4i 32GB".

ScoreCPU specs
vivo Y91 (2018) 32GB71/1001.95GHz+1.45GHz×8(8.0-cores)
Xiaomi Mi 4i 32GB55/1001.7GHz+1.0GHz×8(8.0-cores)

How is "vivo Y91 (2018) 32GB" different from "Xiaomi Mi 4i 32GB" 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 Y91 (2018) 32GB" has 3.0GB of memory. The "Xiaomi Mi 4i 32GB", on the other hand, has 2.0GB. As for memory performance, the "vivo Y91 (2018) 32GB" has a larger memory capacity than the "Xiaomi Mi 4i 32GB", with a difference of about 1GB. The "vivo Y91 (2018) 32GB" has better multitasking, less crashing, and runs 3D games and VR video better than the "Xiaomi Mi 4i 32GB". 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 Y91 (2018) 32GB" rather than the "Xiaomi Mi 4i 32GB".

ScoreRAM size
vivo Y91 (2018) 32GB60/1003.0GB
Xiaomi Mi 4i 32GB50/1002.0GB

Which has a better storage capacity, "vivo Y91 (2018) 32GB" or "Xiaomi Mi 4i 32GB"?

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 Y91 (2018) 32GB" has 32.0GB of storage, while the "Xiaomi Mi 4i 32GB" has 32.0GB. There is no real difference between the "vivo Y91 (2018) 32GB"and "Xiaomi Mi 4i 32GB" 's ROMs and storage capacities, so both can store roughly the same amount of photographs and apps. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreStorage size
vivo Y91 (2018) 32GB55/10032.0GB
Xiaomi Mi 4i 32GB55/10032.0GB

Compare the rear cameras of "vivo Y91 (2018) 32GB" and "Xiaomi Mi 4i 32GB". 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 Y91 (2018) 32GB" has 13.0MP. The "Xiaomi Mi 4i 32GB" has 13.0MP. The rear facing cameras of the "vivo Y91 (2018) 32GB" and "Xiaomi Mi 4i 32GB" 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
vivo Y91 (2018) 32GB61/10013.0MP
Xiaomi Mi 4i 32GB61/10013.0MP

Which has a front camera with better picture quality, "vivo Y91 (2018) 32GB" or "Xiaomi Mi 4i 32GB"?

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 Y91 (2018) 32GB" has a resolution of 8.0MP. The "Xiaomi Mi 4i 32GB"'s has 5.0MP. Comparing the front-facing camera performance, the number of pixels of the front-facing camera on the "vivo Y91 (2018) 32GB" is higher than the "Xiaomi Mi 4i 32GB", with a difference of approximately 3MP. For this reason, it is possible to take higher quality selfies and make clear prints with the "vivo Y91 (2018) 32GB" than the "Xiaomi Mi 4i 32GB". Therefore, the "vivo Y91 (2018) 32GB" is recommended.

ScoreFront-camera resolution
vivo Y91 (2018) 32GB58/1008.0MP
Xiaomi Mi 4i 32GB50/1005.0MP

Compare Performance Specs

vivo Y91 (2018) 32GBXiaomi Mi 4i 32GB
Imagevivo Y91 (2018) 32GBXiaomi Mi 4i 32GB
MakervivoXiaomi
Release date2018-112015-04
ColorStarry Black/Ocean BlueDark Gray/Black/White/Yellow/Blue/Pink
OSAndroidAndroid
Dimensions (width x height x thickness)75.1mm x 155.1mm x 8.3mm69.6mm x 138.1mm x 7.8mm
Weight163.5g130.0g
Display size6.22inch5.0inch
Display typeIPS LCDIPS LCD
Screen resolution (width x height)720 x 15201080 x 1920
Pixel density270ppi440ppi
Battery capacity4030.0mAh3120.0mAh
ChipsetQualcomm SDM439 Snapdragon 439Qualcomm MSM8939 Snapdragon 615
CPU specs1.95GHz+1.45GHz×8(8.0-cores)1.7GHz+1.0GHz×8(8.0-cores)
RAM size3.0GB2.0GB
Storage size32.0GB32.0GB
Rear-camera resolution13.0MP13.0MP
Front-camera resolution8.0MP5.0MP

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