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Vivo Y91 (2018) 32GB vs vivo Y81 (2018) 32GB

Created date: 2018-12-15 22:17:39, Updated date: 2020-04-15 19:55:57

vivo Y91 (2018) 32GBvivo Y81 (2018) 32GB
vivo Y91 (2018) 32GBvivo Y81 (2018) 32GB

How did the evaluations between the "vivo Y91 (2018) 32GB" and "vivo Y81 (2018) 32GB" 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!

vivo Y91 (2018) 32GBvivo Y81 (2018) 32GB
vivo Y91 (2018) 32GB

vivo Y81 (2018) 32GB

General rating:
Holding comfortrating-image3.1
75.1mm x 155.1mm x 8.3mm
rating-image3.1
75.0mm x 155.1mm x 7.8mm
Weightrating-image3.2
163.5g
rating-image3.6
146.5g
Screen sizerating-image4.5
6.22inch
rating-image4.5
6.22inch
Display qualityrating-image2.7
270ppi
rating-image2.7
270ppi
Battery liferating-image4.0
4030.0mAh
rating-image3.4
3260.0mAh
Processing powerrating-image3.6
1.95GHz+1.45GHz×8(8.0-cores)
rating-image4.5
2.0GHz×8(8.0-cores)
Memory capacityrating-image3.0
3.0GB
rating-image3.5
4.0GB
Storage capacityrating-image2.8
32.0GB
rating-image2.8
32.0GB
Rear camera performancerating-image3.1
13.0MP
rating-image3.1
13.0MP
Front camera performancerating-image2.9
8.0MP
rating-image2.5
5.0MP

"vivo Y91 (2018) 32GB" and "vivo Y81 (2018) 32GB", performance comparison

"vivo Y91 (2018) 32GB" and "vivo Y81 (2018) 32GB" size comparison. Which to choose?

The size of the body has a big influence on the ease of carrying and one-handed operation. The narrower the width, the easier it is to firmly grasp and hold, but you also have to take into account the device's thickness. Also, if the width and height are smaller, its easier to operate one-handed since its easier to extend your fingers. On the contrary, if the width and height are large, it's difficult to fit in your pocket and is bulky even when put in a bag, and portability is impaired.

The "vivo Y91 (2018) 32GB" has a width of 75.1mm, a length of 155.1mm, and a thickness of 8.3mm. Also, the "vivo Y81 (2018) 32GB" has a width of 75.0mm, a length of 155.1mm, and a thickness of 7.8mm.

Comparing the width and thickness of the body, there isn't much difference between the "vivo Y91 (2018) 32GB" and "vivo Y81 (2018) 32GB" in terms of size. For that reason, the ease of gripping and carrying the devices in one hand is about the same for both. Therefore it's better to compare them in terms of performance and functionality.

Comparing the width and thickness of the body, there isn't a large difference in size between the "vivo Y91 (2018) 32GB" and the "vivo Y81 (2018) 32GB". For that reason their one-handed operability, portability, and bulkiness when carried is about the same. That's why I think it's better to compare them in terms of other aspects of performance and functionality.

Comparing the overall size of the two devices, there isn't a big difference in size between the "vivo Y91 (2018) 32GB" and the "vivo Y81 (2018) 32GB". For that reason the ease of carrying and use with one hand is about the same for both. That's why it is better to compare the two in terms of other aspects of performance and functionality.

ScoreDimensions (width x height x thickness)
vivo Y91 (2018) 32GB62/10075.1mm x 155.1mm x 8.3mm
vivo Y81 (2018) 32GB62/10075.0mm x 155.1mm x 7.8mm

"vivo Y91 (2018) 32GB" and "vivo Y81 (2018) 32GB", which is more comfortable to hold? Weight comparison

The weight of the device affects hand fatigue and the burden placed upon the wrist. The lighter it is, the longer you'll be able to operate the device without tiring. Also, if the burden placed on the wrist is lower, you'll be able to use the device more comfortably. However if the weight isn't right for you, it could place more of a burden on your body, causing you to feel stress.

The weight of the "vivo Y91 (2018) 32GB" is about 163.5g, and the weight of the "vivo Y81 (2018) 32GB" is about 146.5g. Comparing the weight of the two devices, the "vivo Y81 (2018) 32GB" is a lighter smart phone than the "vivo Y91 (2018) 32GB", with a difference of about 17g. For that reason the "vivo Y81 (2018) 32GB" is a smart phone that is less likely than the "vivo Y91 (2018) 32GB"to put a burden on your fingers and wrist when used for an extended period. That's why we recommend the "vivo Y81 (2018) 32GB" over the "vivo Y91 (2018) 32GB".

ScoreWeight
vivo Y91 (2018) 32GB64/100163.5g
vivo Y81 (2018) 32GB71/100146.5g

"vivo Y91 (2018) 32GB" and "vivo Y81 (2018) 32GB", whose display is easier to use?

The size of the screen affects usability and screen visibility. A larger screen means larger letters and buttons on apps, so the user is less likely to tap adjacent buttons by mistake. In addition, the user can enjoy a more intense experience when playing games and watching videos.

The "vivo Y91 (2018) 32GB" has a 6.22inch display. Also, the "vivo Y81 (2018) 32GB" has a 6.22inch display. Comparing the screen size, there is a negligible difference in screen size between the "vivo Y91 (2018) 32GB" and the "vivo Y81 (2018) 32GB". As a result, the app buttons on both are equally easy to press. We recommend comparing them based on other aspects of performance and functionality.

ScoreDisplay size
vivo Y91 (2018) 32GB90/1006.22inch
vivo Y81 (2018) 32GB90/1006.22inch

"vivo Y91 (2018) 32GB" and "vivo Y81 (2018) 32GB", which has a clearer display?

Pixel density affects picture quality, and the higher the pixel density, the better the picture quality, which means the user can gain more enjoyment from games and videos. In addition, higher picture quality decreases eyestrain, which means that the user will experience less eye fatigue after prolonged use.

The resolution on the "vivo Y91 (2018) 32GB" is 720 x 1520, and pixel density is 270ppi. Also, the resolution on the "vivo Y81 (2018) 32GB" is 720 x 1520, and pixel density is 270ppi. Comparing the pixel count, the difference in pixel density between the "vivo Y91 (2018) 32GB" and the "vivo Y81 (2018) 32GB" is negligible. As a result, they are both evenly matched in terms of picture quality and easiness on the eyes. Therefore, we recommend comparing them based on other aspects of performance and functionality.

ScorePixel density
vivo Y91 (2018) 32GB54/100270ppi
vivo Y81 (2018) 32GB54/100270ppi

"vivo Y91 (2018) 32GB" and "vivo Y81 (2018) 32GB", a summary of the differences in battery life

Battery performance greatly affects battery life, but greater battery capacity does not necessarily mean greater battery life, since battery efficiency should also be considered. Bigger screens and higher CPU performance will mean the batteries are depleted more quickly.

The "vivo Y91 (2018) 32GB" is 4030.0mAh, and the "vivo Y81 (2018) 32GB" is 3260.0mAh. Regarding battery capacity, the "vivo Y91 (2018) 32GB" has greater battery capacity than the "vivo Y81 (2018) 32GB", with a 770mAh difference. Since the "vivo Y91 (2018) 32GB" can be used for longer periods without recharging than the "vivo Y81 (2018) 32GB", it is great for outdoor use. If you want a smartphone with a longer battery life, we recommend the "vivo Y91 (2018) 32GB" over the "vivo Y81 (2018) 32GB".

ScoreBattery capacity
vivo Y91 (2018) 32GB80/1004030.0mAh
vivo Y81 (2018) 32GB68/1003260.0mAh

"vivo Y91 (2018) 32GB" and "vivo Y81 (2018) 32GB", which has better CPU?

CPU performance affects the ability to process programs, and the ability to process programs is determined by the product of the number of cores in the CPU and the CPU frequency. The higher this performance is, the more smoothly apps and games will run, and with low performance apps and games become heavy and stress is experienced.

The "vivo Y91 (2018) 32GB"'s CPU is a Qualcomm SDM439 Snapdragon 439, with performance measured at 1.95GHz+1.45GHz×8(8.0-cores). Also, the "vivo Y81 (2018) 32GB"'s CPU is a Mediatek MT6762 Helio P22, with performance measured at 2.0GHz×8(8.0-cores). Comparing CPU performance, the "vivo Y81 (2018) 32GB" has considerably higher specs than the "vivo Y91 (2018) 32GB". In terms of being able to comfortably play games and run apps smoothly, the "vivo Y81 (2018) 32GB" is superior to the "vivo Y91 (2018) 32GB". If you're going for a high spec smart phone that runs smoothly and comfortably handles games, we recommend purchasing the "vivo Y81 (2018) 32GB" over the "vivo Y91 (2018) 32GB".

ScoreCPU specs
vivo Y91 (2018) 32GB71/1001.95GHz+1.45GHz×8(8.0-cores)
vivo Y81 (2018) 32GB89/1002.0GHz×8(8.0-cores)

"vivo Y91 (2018) 32GB" and "vivo Y81 (2018) 32GB", what's the difference in memory capacity?

RAM affects multitasking ability and the stability of apps. The larger the amount of RAM is, the more stability there will be even in situations where multiple apps are running simultaneously, allowing for comfortable use. In addition, animation will be more smooth, and apps will be less likely to freeze or crash. Also, without sufficient RAM, there are games you won't be able to run, so it is necessary to be careful.

The weight of the "vivo Y91 (2018) 32GB" is 3.0GB and the weight of the "vivo Y81 (2018) 32GB" is 4.0GB. Comparing the devices in terms of RAM, the "vivo Y81 (2018) 32GB" has a significantly larger amount of RAM than the "vivo Y91 (2018) 32GB", with a difference of about 1GB. In terms of the unlikeliness of crashing and the ease of multitasking, 3D games and VR, the "vivo Y81 (2018) 32GB" is superior to the "vivo Y91 (2018) 32GB". If you're looking for a smart phone that can run multiple apps simultaneously with stability and also allows you to comfortably enjoy 3D games and VR, then we recommend purchasing the "vivo Y81 (2018) 32GB" over the "vivo Y91 (2018) 32GB".

ScoreRAM size
vivo Y91 (2018) 32GB60/1003.0GB
vivo Y81 (2018) 32GB70/1004.0GB

"vivo Y91 (2018) 32GB" and "vivo Y81 (2018) 32GB", which has more data storage?

Storage capacity affects the amount of data that is capable of being stored. The larger the storage capacity, the more pictures you can take and the more applications you can install. In addition, if your smartphone accepts SD cards, then you can increase its storage capacity. However, there are performance related drawbacks, including a slower data transfer rate than the primary memory, and you cannot transfer all your data on the card, so be warned.

The data storage capacity of the "vivo Y91 (2018) 32GB" is 32.0GB. Also the "vivo Y81 (2018) 32GB" is 32.0GB. Regarding storage capacity, there is a negligible difference in storage capacity between the "vivo Y91 (2018) 32GB" and "vivo Y81 (2018) 32GB". As a result, you can save roughly the same amount of pictures, and install roughly the same amount of applications, on either phone. You are better off comparing them based on other aspects of performance and functionality.

ScoreStorage size
vivo Y91 (2018) 32GB55/10032.0GB
vivo Y81 (2018) 32GB55/10032.0GB

"vivo Y91 (2018) 32GB" and "vivo Y81 (2018) 32GB" rear camera performance comparison. Which has a higher resolution?

One factor that determines the performance of the exterior camera located on the back of the device (the rear/back camera) is the pixel count. The larger the pixel count, the higher the resolution of the pictures you can take, and the cleaner the pictures will look when printed.

"vivo Y91 (2018) 32GB" has a 13.0MP main camera. Also, "vivo Y81 (2018) 32GB" has a 13.0MP main camera. Comparing rear camera performance, the "vivo Y91 (2018) 32GB" and "vivo Y81 (2018) 32GB" have approximately the same pixel count. As a result, they can both take pictures and shoot videos of roughly the same quality. Therefore, we recommend comparing the two based on other aspects of performance and functionality.

ScoreRear-camera resolution
vivo Y91 (2018) 32GB61/10013.0MP
vivo Y81 (2018) 32GB61/10013.0MP

"vivo Y91 (2018) 32GB" and "vivo Y81 (2018) 32GB", whose front camera has a better picture quality?

One factor that determines the performance of the exterior camera located on the front of the device (the in/front camera) is the pixel count. The larger the pixel count, the higher the resolution of the pictures you can take, and the cleaner the pictures will look when printed.

"vivo Y91 (2018) 32GB" has an 8.0MP front camera and "vivo Y81 (2018) 32GB" has an 5.0MP front camera. Comparing rear camera performance, the front camera of the "vivo Y91 (2018) 32GB" has a higher pixel count than the "vivo Y81 (2018) 32GB", with a roughly 3MP difference. As a result, the "vivo Y91 (2018) 32GB" is better able to take high quality selfies than the "vivo Y81 (2018) 32GB", and the pictures will look cleaner when printed. Therefore, we recommend the "vivo Y91 (2018) 32GB".

ScoreFront-camera resolution
vivo Y91 (2018) 32GB58/1008.0MP
vivo Y81 (2018) 32GB50/1005.0MP

"vivo Y91 (2018) 32GB" and "vivo Y81 (2018) 32GB", performance comparison by specification sheet

vivo Y91 (2018) 32GBvivo Y81 (2018) 32GB
Imagevivo Y91 (2018) 32GBvivo Y81 (2018) 32GB
Makervivovivo
Release date2018-112018-06
ColorStarry Black/Ocean BlueBlack/Gold
OSAndroidAndroid
Dimensions (width x height x thickness)75.1mm x 155.1mm x 8.3mm75.0mm x 155.1mm x 7.8mm
Weight163.5g146.5g
Display size6.22inch6.22inch
Display typeIPS LCDIPS LCD
Screen resolution (width x height)720 x 1520720 x 1520
Pixel density270ppi270ppi
Battery capacity4030.0mAh3260.0mAh
ChipsetQualcomm SDM439 Snapdragon 439Mediatek MT6762 Helio P22
CPU specs1.95GHz+1.45GHz×8(8.0-cores)2.0GHz×8(8.0-cores)
RAM size3.0GB4.0GB
Storage size32.0GB32.0GB
Rear-camera resolution13.0MP13.0MP
Front-camera resolution8.0MP5.0MP

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