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Which is better, Ulefone Armor 5S 64GB or vivo Y91 (2018) 32GB? We compared their features and specs in detail

Created date: 2020-01-07 14:12:37, Updated date: 2021-10-20 20:36:13

Ulefone Armor 5S 64GBvivo Y91 (2018) 32GB
Ulefone Armor 5S 64GBvivo Y91 (2018) 32GB

Here's our thorough comparison of the difference in performance and function between the "Ulefone Armor 5S 64GB" and "vivo Y91 (2018) 32GB". Which one should you buy? We'll compare and explain what differs between the "Ulefone Armor 5S 64GB" and "vivo Y91 (2018) 32GB" in a way that even people who aren't used to choosing between two similar products can understand.

Ulefone Armor 5S 64GBvivo Y91 (2018) 32GB
Ulefone Armor 5S 64GB

vivo Y91 (2018) 32GB

General rating:
Holding comfortrating-image2.6
52/100
rating-image3.1
62/100
Weightrating-image2.3
45/100
rating-image3.2
64/100
Screen sizerating-image4.4
87/100
rating-image4.5
90/100
Display qualityrating-image2.9
58/100
rating-image2.7
54/100
Battery liferating-image4.2
83/100
rating-image4.0
80/100
Processing powerrating-image4.3
85/100
rating-image3.6
71/100
Memory capacityrating-image3.5
70/100
rating-image3.0
60/100
Storage capacityrating-image3.4
67/100
rating-image2.8
55/100
Rear camera performancerating-image3.1
61/100
rating-image3.1
61/100
Front camera performancerating-image2.9
58/100
rating-image2.9
58/100

"Ulefone Armor 5S 64GB" and "vivo Y91 (2018) 32GB", performance comparison

"Ulefone Armor 5S 64GB" and "vivo Y91 (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 "Ulefone Armor 5S 64GB" has a width of 76.0mm, a length of 158.3mm, and a thickness of 12.6mm. Also, the "vivo Y91 (2018) 32GB" has a width of 75.1mm, a length of 155.1mm, and a thickness of 8.3mm.

Comparing the width and thickness of the body, the "vivo Y91 (2018) 32GB" is smaller and more compact compared to the "Ulefone Armor 5S 64GB". For that reason, the "vivo Y91 (2018) 32GB" is easier to grip firmly and carry one-handed than the "Ulefone Armor 5S 64GB". For that reason, we recommend the "vivo Y91 (2018) 32GB".

Comparing the width and thickness of the body, there isn't a large difference in size between the "Ulefone Armor 5S 64GB" and the "vivo Y91 (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, the "vivo Y91 (2018) 32GB" has a large size compared to the "Ulefone Armor 5S 64GB". For that reason the "vivo Y91 (2018) 32GB" is a size that is easier to use in one hand and comfortably carry than the "Ulefone Armor 5S 64GB". That's why we recommend the "vivo Y91 (2018) 32GB".

ScoreDimensions (width x height x thickness)
Ulefone Armor 5S 64GB52/10076.0mm x 158.3mm x 12.6mm
vivo Y91 (2018) 32GB62/10075.1mm x 155.1mm x 8.3mm

"Ulefone Armor 5S 64GB" and "vivo Y91 (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 "Ulefone Armor 5S 64GB" is about 228.0g, and the weight of the "vivo Y91 (2018) 32GB" is about 163.5g. Comparing the weight of the two devices, the "vivo Y91 (2018) 32GB" is a considerably lighter smart phone than the "Ulefone Armor 5S 64GB", and there is a difference of about 64.5g. In terms of the burden placed upon your fingers and wrist, the "vivo Y91 (2018) 32GB" is superior to the "Ulefone Armor 5S 64GB". If you are going for a smart phone that won't lead to hand fatigue even after extended use, and is less likely to place a burden on your fingers, we recommend purchasing the "vivo Y91 (2018) 32GB" over the "Ulefone Armor 5S 64GB".

ScoreWeight
Ulefone Armor 5S 64GB45/100228.0g
vivo Y91 (2018) 32GB64/100163.5g

"Ulefone Armor 5S 64GB" and "vivo Y91 (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 "Ulefone Armor 5S 64GB" has a 5.85inch display. Also, the "vivo Y91 (2018) 32GB" has a 6.22inch display. Comparing the screen size, there is a negligible difference in screen size between the "Ulefone Armor 5S 64GB" and the "vivo Y91 (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
Ulefone Armor 5S 64GB87/1005.85inch
vivo Y91 (2018) 32GB90/1006.22inch

"Ulefone Armor 5S 64GB" and "vivo Y91 (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 "Ulefone Armor 5S 64GB" is 720 x 1512, and pixel density is 286ppi. Also, the resolution on the "vivo Y91 (2018) 32GB" is 720 x 1520, and pixel density is 270ppi. Comparing the pixel count, the difference in pixel density between the "Ulefone Armor 5S 64GB" and the "vivo Y91 (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
Ulefone Armor 5S 64GB58/100286ppi
vivo Y91 (2018) 32GB54/100270ppi

"Ulefone Armor 5S 64GB" and "vivo Y91 (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 "Ulefone Armor 5S 64GB" is 5000.0mAh, and the "vivo Y91 (2018) 32GB" is 4030.0mAh. Regarding battery capacity, there is a negligible difference in battery capacity between the "Ulefone Armor 5S 64GB" and "vivo Y91 (2018) 32GB". Since both have roughly equal battery life, you are better off comparing them based on other aspects of performance and functionality.

ScoreBattery capacity
Ulefone Armor 5S 64GB83/1005000.0mAh
vivo Y91 (2018) 32GB80/1004030.0mAh

"Ulefone Armor 5S 64GB" and "vivo Y91 (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 "Ulefone Armor 5S 64GB"'s CPU is a Mediatek MT6763 Helio P23, with performance measured at 2.3GHz+1.5GHz×8(8.0-cores). Also, 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). Comparing CPU performance, the "Ulefone Armor 5S 64GB" has considerably higher specs than the "vivo Y91 (2018) 32GB". In terms of being able to comfortably play games and run apps smoothly, the "Ulefone Armor 5S 64GB" 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 "Ulefone Armor 5S 64GB" over the "vivo Y91 (2018) 32GB".

ScoreCPU specs
Ulefone Armor 5S 64GB85/1002.3GHz+1.5GHz×8(8.0-cores)
vivo Y91 (2018) 32GB71/1001.95GHz+1.45GHz×8(8.0-cores)

"Ulefone Armor 5S 64GB" and "vivo Y91 (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 "Ulefone Armor 5S 64GB" is 4.0GB and the weight of the "vivo Y91 (2018) 32GB" is 3.0GB. Comparing the devices in terms of RAM, the "Ulefone Armor 5S 64GB" 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 "Ulefone Armor 5S 64GB" 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 "Ulefone Armor 5S 64GB" over the "vivo Y91 (2018) 32GB".

ScoreRAM size
Ulefone Armor 5S 64GB70/1004.0GB
vivo Y91 (2018) 32GB60/1003.0GB

"Ulefone Armor 5S 64GB" and "vivo Y91 (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 "Ulefone Armor 5S 64GB" is 64.0GB. Also the "vivo Y91 (2018) 32GB" is 32.0GB. Regarding storage capacity, the "Ulefone Armor 5S 64GB" has a much larger data storage capacity compared to the "vivo Y91 (2018) 32GB", with a roughly 32GB difference. In terms of the number of pictures you can save and the applications that you can install, the "Ulefone Armor 5S 64GB" is superior to the "vivo Y91 (2018) 32GB". If you are looking for a smartphone that can save more data, we recommend the "Ulefone Armor 5S 64GB" over the "vivo Y91 (2018) 32GB".

ScoreStorage size
Ulefone Armor 5S 64GB67/10064.0GB
vivo Y91 (2018) 32GB55/10032.0GB

"Ulefone Armor 5S 64GB" and "vivo Y91 (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.

"Ulefone Armor 5S 64GB" has a 13.0MP main camera. Also, "vivo Y91 (2018) 32GB" has a 13.0MP main camera. Comparing rear camera performance, the "Ulefone Armor 5S 64GB" and "vivo Y91 (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
Ulefone Armor 5S 64GB61/10013.0MP
vivo Y91 (2018) 32GB61/10013.0MP

"Ulefone Armor 5S 64GB" and "vivo Y91 (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.

"Ulefone Armor 5S 64GB" has an 8.0MP front camera and "vivo Y91 (2018) 32GB" has an 8.0MP front camera. Comparing rear camera performance, the "Ulefone Armor 5S 64GB" and "vivo Y91 (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.

ScoreFront-camera resolution
Ulefone Armor 5S 64GB58/1008.0MP
vivo Y91 (2018) 32GB58/1008.0MP

"Ulefone Armor 5S 64GB" and "vivo Y91 (2018) 32GB", performance comparison by specification sheet

Ulefone Armor 5S 64GBvivo Y91 (2018) 32GB
ImageUlefone Armor 5S 64GBvivo Y91 (2018) 32GB
MakerUlefonevivo
Release date2019-072018-11
ColorBlackStarry Black/Ocean Blue
OSAndroidAndroid
Dimensions (width x height x thickness)76.0mm x 158.3mm x 12.6mm75.1mm x 155.1mm x 8.3mm
Weight228.0g163.5g
Display size5.85inch6.22inch
Display typeIPS LCDIPS LCD
Screen resolution (width x height)720 x 1512720 x 1520
Pixel density286ppi270ppi
Battery capacity5000.0mAh4030.0mAh
ChipsetMediatek MT6763 Helio P23Qualcomm SDM439 Snapdragon 439
CPU specs2.3GHz+1.5GHz×8(8.0-cores)1.95GHz+1.45GHz×8(8.0-cores)
RAM size4.0GB3.0GB
Storage size64.0GB32.0GB
Rear-camera resolution13.0MP13.0MP
Front-camera resolution8.0MP8.0MP

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