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Vivo Y91 (Mediatek) 64GB vs Xiaomi Mi 9 Explorer 256GB: Full Comparison!

Created date: 2019-03-19 06:20:33, Updated date: 2020-04-16 21:28:45

vivo Y91 (Mediatek) 64GBXiaomi Mi 9 Explorer 256GB
vivo Y91 (Mediatek) 64GBXiaomi Mi 9 Explorer 256GB

Are you having trouble comparing the differences in features and performance of the "vivo Y91 (Mediatek) 64GB" and "Xiaomi Mi 9 Explorer 256GB", 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 Y91 (Mediatek) 64GBXiaomi Mi 9 Explorer 256GB
vivo Y91 (Mediatek) 64GB

Xiaomi Mi 9 Explorer 256GB

General rating:
Portabilityrating-image3.1
75.1mm x 155.1mm x 8.3mm
rating-image3.2
74.7mm x 157.5mm x 7.6mm
Weightrating-image3.2
163.5g
rating-image3.1
173.0g
Size of screenrating-image4.5
6.22inch
rating-image4.5
6.39inch
Screen clarityrating-image2.7
270ppi
rating-image4.2
403ppi
Battery durationrating-image4.0
4030.0mAh
rating-image3.5
3300.0mAh
Processing capabilityrating-image4.4
2.0GHz×8(8.0-cores)
rating-image4.9
2.84GHz+2.42GHz+1.78GHz×8(8.0-cores)
Memory capacityrating-image3.0
3.0GB
rating-image5.0
12.0GB
Storage capacityrating-image3.4
64.0GB
rating-image4.6
256.0GB
Rear camera functionrating-image3.1
13.0MP
rating-image4.9
48.0MP
Front camera functionrating-image2.9
8.0MP
rating-image4.1
20.0MP

Compare Performance and Usability

Size comparison of "vivo Y91 (Mediatek) 64GB" and "Xiaomi Mi 9 Explorer 256GB". 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 (Mediatek) 64GB" is 75.1mm wide, 155.1mm tall, and 8.3mm thick. The "Xiaomi Mi 9 Explorer 256GB" is 74.7mm tall, 157.5mm wide, and 7.6mm thick.

There is no real difference between the "vivo Y91 (Mediatek) 64GB" and "Xiaomi Mi 9 Explorer 256GB" 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 Y91 (Mediatek) 64GB" and "Xiaomi Mi 9 Explorer 256GB", 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 Y91 (Mediatek) 64GB"and "Xiaomi Mi 9 Explorer 256GB". 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 Y91 (Mediatek) 64GB62/10075.1mm x 155.1mm x 8.3mm
Xiaomi Mi 9 Explorer 256GB63/10074.7mm x 157.5mm x 7.6mm

Which one is easier to hold, "vivo Y91 (Mediatek) 64GB" or "Xiaomi Mi 9 Explorer 256GB"? 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 (Mediatek) 64GB" weighs 163.5g. The "Xiaomi Mi 9 Explorer 256GB" clocks in at 173.0g. The "vivo Y91 (Mediatek) 64GB" and "Xiaomi Mi 9 Explorer 256GB" have around the same weight, so prolonged use will tire out fingers nd wrists to around the same degree. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreWeight
vivo Y91 (Mediatek) 64GB64/100163.5g
Xiaomi Mi 9 Explorer 256GB61/100173.0g

Which is better in terms of display, "vivo Y91 (Mediatek) 64GB" or "Xiaomi Mi 9 Explorer 256GB"?

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 (Mediatek) 64GB" is 6.22inch, and 6.39inch on the "Xiaomi Mi 9 Explorer 256GB". The screens of the "vivo Y91 (Mediatek) 64GB" and "Xiaomi Mi 9 Explorer 256GB" 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 Y91 (Mediatek) 64GB90/1006.22inch
Xiaomi Mi 9 Explorer 256GB90/1006.39inch

Which one has a better display, "vivo Y91 (Mediatek) 64GB" or "Xiaomi Mi 9 Explorer 256GB"?

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 (Mediatek) 64GB" has a 720 x 1520 resolution and a pixel density of 270ppi. The "Xiaomi Mi 9 Explorer 256GB", on the other hand, has a screen resolution of 1080 x 2340 and a pixel density of 403ppi. Comparing the screen definition, the "Xiaomi Mi 9 Explorer 256GB" has a much higher pixel density than the "vivo Y91 (Mediatek) 64GB", with a difference of about 133ppi. The screen on the "Xiaomi Mi 9 Explorer 256GB" is clear and crisp, and puts less strain on the eyes than that of the "vivo Y91 (Mediatek) 64GB". 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 9 Explorer 256GB" rather than the "vivo Y91 (Mediatek) 64GB".

ScorePixel density
vivo Y91 (Mediatek) 64GB54/100270ppi
Xiaomi Mi 9 Explorer 256GB84/100403ppi

How is the battery duration of "vivo Y91 (Mediatek) 64GB" different from that of "Xiaomi Mi 9 Explorer 256GB" ? 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 (Mediatek) 64GB" has a battery capacity of 4030.0mAh, while the "Xiaomi Mi 9 Explorer 256GB" has a 3300.0mAh battery. With regards to battery performance, the "vivo Y91 (Mediatek) 64GB" has a substantially larger battery capacity than the "Xiaomi Mi 9 Explorer 256GB", with a difference of 730mAh. The "vivo Y91 (Mediatek) 64GB" can be used without charging for a longer time than the "Xiaomi Mi 9 Explorer 256GB", 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 (Mediatek) 64GB" rather than the "Xiaomi Mi 9 Explorer 256GB".

ScoreBattery capacity
vivo Y91 (Mediatek) 64GB80/1004030.0mAh
Xiaomi Mi 9 Explorer 256GB69/1003300.0mAh

Which is better in terms of CPU function, "vivo Y91 (Mediatek) 64GB" or "Xiaomi Mi 9 Explorer 256GB"?

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 (Mediatek) 64GB" is equipped with a Mediatek MT6762 Helio P22 processor, and its performance speed is 2.0GHz×8(8.0-cores). The "Xiaomi Mi 9 Explorer 256GB" uses an Qualcomm SM8150 Snapdragon 855 CPU that performs at a speed of 2.84GHz+2.42GHz+1.78GHz×8(8.0-cores). Comparing CPU performance, the "Xiaomi Mi 9 Explorer 256GB" has significantly higher specs than the "vivo Y91 (Mediatek) 64GB". The "Xiaomi Mi 9 Explorer 256GB" proves to be more advanced than the "vivo Y91 (Mediatek) 64GB" 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 "Xiaomi Mi 9 Explorer 256GB" rather than the "vivo Y91 (Mediatek) 64GB".

ScoreCPU specs
vivo Y91 (Mediatek) 64GB88/1002.0GHz×8(8.0-cores)
Xiaomi Mi 9 Explorer 256GB98/1002.84GHz+2.42GHz+1.78GHz×8(8.0-cores)

How is "vivo Y91 (Mediatek) 64GB" different from "Xiaomi Mi 9 Explorer 256GB" 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 (Mediatek) 64GB" has 3.0GB of memory. The "Xiaomi Mi 9 Explorer 256GB", on the other hand, has 12.0GB. As for memory performance, the "Xiaomi Mi 9 Explorer 256GB" has a larger memory capacity than the "vivo Y91 (Mediatek) 64GB", with a difference of about 9GB. The "Xiaomi Mi 9 Explorer 256GB" has better multitasking, less crashing, and runs 3D games and VR video better than the "vivo Y91 (Mediatek) 64GB". 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 "Xiaomi Mi 9 Explorer 256GB" rather than the "vivo Y91 (Mediatek) 64GB".

ScoreRAM size
vivo Y91 (Mediatek) 64GB60/1003.0GB
Xiaomi Mi 9 Explorer 256GB99/10012.0GB

Which has a better storage capacity, "vivo Y91 (Mediatek) 64GB" or "Xiaomi Mi 9 Explorer 256GB"?

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 (Mediatek) 64GB" has 64.0GB of storage, while the "Xiaomi Mi 9 Explorer 256GB" has 256.0GB. In terms of ROM and data storage, the "Xiaomi Mi 9 Explorer 256GB" has a much larger capacity than the "vivo Y91 (Mediatek) 64GB", with a difference of about 192GB. The "Xiaomi Mi 9 Explorer 256GB" can save more photos and keep more apps installed than the "vivo Y91 (Mediatek) 64GB". If you're searching for a smartphone that can store more data, we recommended that you buy the "Xiaomi Mi 9 Explorer 256GB" rather than the "vivo Y91 (Mediatek) 64GB".

ScoreStorage size
vivo Y91 (Mediatek) 64GB67/10064.0GB
Xiaomi Mi 9 Explorer 256GB91/100256.0GB

Compare the rear cameras of "vivo Y91 (Mediatek) 64GB" and "Xiaomi Mi 9 Explorer 256GB". 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 (Mediatek) 64GB" has 13.0MP. The "Xiaomi Mi 9 Explorer 256GB" has 48.0MP. The rear-facing camera of the "Xiaomi Mi 9 Explorer 256GB" also has a higher pixel count than the "vivo Y91 (Mediatek) 64GB", with a difference of about 35MP. The "Xiaomi Mi 9 Explorer 256GB" is more capable than the "vivo Y91 (Mediatek) 64GB" 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 "Xiaomi Mi 9 Explorer 256GB" rather than the "vivo Y91 (Mediatek) 64GB".

ScoreRear-camera resolution
vivo Y91 (Mediatek) 64GB61/10013.0MP
Xiaomi Mi 9 Explorer 256GB97/10048.0MP

Which has a front camera with better picture quality, "vivo Y91 (Mediatek) 64GB" or "Xiaomi Mi 9 Explorer 256GB"?

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 (Mediatek) 64GB" has a resolution of 8.0MP. The "Xiaomi Mi 9 Explorer 256GB"'s has 20.0MP. The front-facing camera of the "Xiaomi Mi 9 Explorer 256GB" has a significantly higher number of pixels than the "vivo Y91 (Mediatek) 64GB", with a difference of about 12MP. Therefore, the "Xiaomi Mi 9 Explorer 256GB" is more suitable for taking photos and videos than the "vivo Y91 (Mediatek) 64GB". If you want to take and print high-quality selfies, we recommend buying the "Xiaomi Mi 9 Explorer 256GB" rather than the "vivo Y91 (Mediatek) 64GB".

ScoreFront-camera resolution
vivo Y91 (Mediatek) 64GB58/1008.0MP
Xiaomi Mi 9 Explorer 256GB81/10020.0MP

Compare Performance Specs

vivo Y91 (Mediatek) 64GBXiaomi Mi 9 Explorer 256GB
Imagevivo Y91 (Mediatek) 64GBXiaomi Mi 9 Explorer 256GB
MakervivoXiaomi
Release date2019-012019-06
ColorStarry Black/Ocean BlueTransparent Black
OSAndroidAndroid
Dimensions (width x height x thickness)75.1mm x 155.1mm x 8.3mm74.7mm x 157.5mm x 7.6mm
Weight163.5g173.0g
Display size6.22inch6.39inch
Display typeIPS LCDSuper AMOLED
Screen resolution (width x height)720 x 15201080 x 2340
Pixel density270ppi403ppi
Battery capacity4030.0mAh3300.0mAh
ChipsetMediatek MT6762 Helio P22Qualcomm SM8150 Snapdragon 855
CPU specs2.0GHz×8(8.0-cores)2.84GHz+2.42GHz+1.78GHz×8(8.0-cores)
RAM size3.0GB12.0GB
Storage size64.0GB256.0GB
Rear-camera resolution13.0MP48.0MP
Front-camera resolution8.0MP20.0MP

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