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Should you buy vivo Y91 (2018) 32GB or vivo Z3 (2018) 128GB? Compare the differences in functions and specifications/performances thoroughly

Created date: 2018-12-16 00:12:39, Updated date: 2020-04-16 17:04:16

vivo Y91 (2018) 32GBvivo Z3 (2018) 128GB
vivo Y91 (2018) 32GBvivo Z3 (2018) 128GB

How did the evaluations between the "vivo Y91 (2018) 32GB" and "vivo Z3 (2018) 128GB" 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 Z3 (2018) 128GB
vivo Y91 (2018) 32GB

vivo Z3 (2018) 128GB

General rating:

63.5/100

(The 3620th of all smartphones)

76.3/100

(The 3182th of all smartphones)

Holding comfort
62/100
61/100
Weight
64/100
64/100
Screen size
90/100
90/100
Display quality
54/100
85/100
Battery life
80/100
69/100
Processing power
71/100
89/100
Memory capacity
60/100
90/100
Storage capacity
55/100
90/100
Rear camera performance
61/100
68/100
Front camera performance
58/100
70/100

"vivo Y91 (2018) 32GB" and "vivo Z3 (2018) 128GB", performance comparison

"vivo Y91 (2018) 32GB" and "vivo Z3 (2018) 128GB" 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 Z3 (2018) 128GB" has a width of 75.6mm, a length of 156.0mm, and a thickness of 8.1mm.

Comparing the width and thickness of the body, there isn't much difference between the "vivo Y91 (2018) 32GB" and "vivo Z3 (2018) 128GB" 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 Z3 (2018) 128GB". 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 Z3 (2018) 128GB". 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 Z3 (2018) 128GB61/10075.6mm x 156.0mm x 8.1mm

"vivo Y91 (2018) 32GB" and "vivo Z3 (2018) 128GB", 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 Z3 (2018) 128GB" is about 164.0g. Comparing the weight of the two devices, there isn't much difference in weight between the "vivo Y91 (2018) 32GB" and "vivo Z3 (2018) 128GB". That's why the likelihood of fatigue in the fingers and wrists after extended use 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.

ScoreWeight
vivo Y91 (2018) 32GB64/100163.5g
vivo Z3 (2018) 128GB64/100164.0g

"vivo Y91 (2018) 32GB" and "vivo Z3 (2018) 128GB", 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 Z3 (2018) 128GB" has a 6.3inch display. Comparing the screen size, there is a negligible difference in screen size between the "vivo Y91 (2018) 32GB" and the "vivo Z3 (2018) 128GB". 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 Z3 (2018) 128GB90/1006.3inch

"vivo Y91 (2018) 32GB" and "vivo Z3 (2018) 128GB", 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 Z3 (2018) 128GB" is 1080 x 2280, and pixel density is 400ppi. Comparing the pixel count, the "vivo Z3 (2018) 128GB" has much higher pixel density than the "vivo Y91 (2018) 32GB", with a difference of roughly 130ppi. In terms of having better picture quality and exerting less strain on the eyes, the "vivo Z3 (2018) 128GB" is superior to the "vivo Y91 (2018) 32GB". If you are looking for a smartphone that is easy on the eyes, displaying texts and pictures clearly without any blurring, we recommend the "vivo Z3 (2018) 128GB" over the "vivo Y91 (2018) 32GB".

ScorePixel density
vivo Y91 (2018) 32GB54/100270ppi
vivo Z3 (2018) 128GB85/100400ppi

"vivo Y91 (2018) 32GB" and "vivo Z3 (2018) 128GB", 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 Z3 (2018) 128GB" is 3315.0mAh. Regarding battery capacity, the "vivo Y91 (2018) 32GB" has greater battery capacity than the "vivo Z3 (2018) 128GB", with a 715mAh difference. Since the "vivo Y91 (2018) 32GB" can be used for longer periods without recharging than the "vivo Z3 (2018) 128GB", 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 Z3 (2018) 128GB".

ScoreBattery capacity
vivo Y91 (2018) 32GB80/1004030.0mAh
vivo Z3 (2018) 128GB69/1003315.0mAh

"vivo Y91 (2018) 32GB" and "vivo Z3 (2018) 128GB", 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 Z3 (2018) 128GB"'s CPU is a Qualcomm SDM670 Snapdragon 670 ,Qualcomm SDM710 Snapdragon 710, with performance measured at 2.0GHz+1.7GHz×8(8.0-cores). Comparing CPU performance, the "vivo Z3 (2018) 128GB" 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 Z3 (2018) 128GB" 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 Z3 (2018) 128GB" over the "vivo Y91 (2018) 32GB".

ScoreCPU specs
vivo Y91 (2018) 32GB71/1001.95GHz+1.45GHz×8(8.0-cores)
vivo Z3 (2018) 128GB89/1002.0GHz+1.7GHz×8(8.0-cores)

"vivo Y91 (2018) 32GB" and "vivo Z3 (2018) 128GB", 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 Z3 (2018) 128GB" is 6.0GB. Comparing the devices in terms of RAM, the "vivo Z3 (2018) 128GB" has a significantly larger amount of RAM than the "vivo Y91 (2018) 32GB", with a difference of about 3GB. In terms of the unlikeliness of crashing and the ease of multitasking, 3D games and VR, the "vivo Z3 (2018) 128GB" 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 Z3 (2018) 128GB" over the "vivo Y91 (2018) 32GB".

ScoreRAM size
vivo Y91 (2018) 32GB60/1003.0GB
vivo Z3 (2018) 128GB90/1006.0GB

"vivo Y91 (2018) 32GB" and "vivo Z3 (2018) 128GB", 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 Z3 (2018) 128GB" is 128.0GB. Regarding storage capacity, the "vivo Z3 (2018) 128GB" has a much larger data storage capacity compared to the "vivo Y91 (2018) 32GB", with a roughly 96GB difference. In terms of the number of pictures you can save and the applications that you can install, the "vivo Z3 (2018) 128GB" is superior to the "vivo Y91 (2018) 32GB". If you are looking for a smartphone that can save more data, we recommend the "vivo Z3 (2018) 128GB" over the "vivo Y91 (2018) 32GB".

ScoreStorage size
vivo Y91 (2018) 32GB55/10032.0GB
vivo Z3 (2018) 128GB90/100128.0GB

"vivo Y91 (2018) 32GB" and "vivo Z3 (2018) 128GB" 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 Z3 (2018) 128GB" has a 16.0MP main camera. Comparing rear camera performance, the "vivo Z3 (2018) 128GB" has a higher pixel count than the "vivo Y91 (2018) 32GB", with a roughly 3MP difference. As a result, the "vivo Z3 (2018) 128GB" is better able to take high quality landscape pictures than the "vivo Y91 (2018) 32GB", and the pictures will look cleaner when printed. Therefore, we recommend the "vivo Z3 (2018) 128GB".

ScoreRear-camera resolution
vivo Y91 (2018) 32GB61/10013.0MP
vivo Z3 (2018) 128GB68/10016.0MP

"vivo Y91 (2018) 32GB" and "vivo Z3 (2018) 128GB", 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 Z3 (2018) 128GB" has an 12.0MP front camera. Comparing rear camera performance, the front camera of the "vivo Z3 (2018) 128GB" has a much higher pixel count compared to the "vivo Y91 (2018) 32GB", with a roughly 4MP difference. As a result, the "vivo Z3 (2018) 128GB" is more suited than the "vivo Y91 (2018) 32GB" for shooting videos and taking pictures. If you are looking for a smartphone that is suited for shooting high resolution selfies which will look clean when printed, we recommend the "vivo Z3 (2018) 128GB" over the "vivo Y91 (2018) 32GB".

ScoreFront-camera resolution
vivo Y91 (2018) 32GB58/1008.0MP
vivo Z3 (2018) 128GB70/10012.0MP

"vivo Y91 (2018) 32GB" and "vivo Z3 (2018) 128GB", performance comparison by specification sheet

vivo Y91 (2018) 32GBvivo Z3 (2018) 128GB
Imagevivo Y91 (2018) 32GBvivo Z3 (2018) 128GB
Makervivovivo
Release date2018-112018-10
ColorStarry Black/Ocean BlueStarry Night/Aurora Blue/Dream Powder
OSAndroidAndroid
Dimensions (width x height x thickness)75.1mm x 155.1mm x 8.3mm75.6mm x 156.0mm x 8.1mm
Weight163.5g164.0g
Display size6.22inch6.3inch
Display typeIPS LCDIPS LCD
Screen resolution (width x height)720 x 15201080 x 2280
Pixel density270ppi400ppi
Battery capacity4030.0mAh3315.0mAh
ChipsetQualcomm SDM439 Snapdragon 439Qualcomm SDM670 Snapdragon 670 ,Qualcomm SDM710 Snapdragon 710
CPU specs1.95GHz+1.45GHz×8(8.0-cores)2.0GHz+1.7GHz×8(8.0-cores)
RAM size3.0GB6.0GB
Storage size32.0GB128.0GB
Rear-camera resolution13.0MP16.0MP
Front-camera resolution8.0MP12.0MP

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