Which is better, vivo Y91 (2018) 32GB or vivo Z1i (2018) 128GB? We compared their features and specs in detail
Created date: 2018-12-15 23:38:56, Updated date: 2020-04-16 18:18:20
How did the evaluations between the "vivo Y91 (2018) 32GB" and "vivo Z1i (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) 32GB | vivo Z1i (2018) 128GB | |||
General rating: | 63.5/100 (The 3620th of all smartphones) | 74.5/100 (The 3304th of all smartphones) | ||
Portability | 62/100 | 62/100 | ||
Weight | 64/100 | 70/100 | ||
Size of screen | 90/100 | 90/100 | ||
Screen clarity | 54/100 | 84/100 | ||
Battery duration | 80/100 | 68/100 | ||
Processing capability | 71/100 | 90/100 | ||
Memory capacity | 60/100 | 93/100 | ||
Storage capacity | 55/100 | 90/100 | ||
Rear camera function | 61/100 | 61/100 | ||
Front camera function | 58/100 | 75/100 | ||
Contents
- 1.Compare Performance and Usability
- 1-0.Which one is easier to hold, "vivo Y91 (2018) 32GB" or "vivo Z1i (2018) 128GB"? Compare weight
- 1-2.Size comparison of "vivo Y91 (2018) 32GB" and "vivo Z1i (2018) 128GB". Which one would you choose?
- 1-3.Compare the rear cameras of "vivo Y91 (2018) 32GB" and "vivo Z1i (2018) 128GB". Which one has better picture quality?
- 1-4.Which has a front camera with better picture quality, "vivo Y91 (2018) 32GB" or "vivo Z1i (2018) 128GB"?
- 1-5.Which one has a better display, "vivo Y91 (2018) 32GB" or "vivo Z1i (2018) 128GB"?
- 1-6.Which is better in terms of display, "vivo Y91 (2018) 32GB" or "vivo Z1i (2018) 128GB"?
- 1-7.Which has a better storage capacity, "vivo Y91 (2018) 32GB" or "vivo Z1i (2018) 128GB"?
- 1-8.How is "vivo Y91 (2018) 32GB" different from "vivo Z1i (2018) 128GB" in terms of memory capacity?
- 1-9.Which is better in terms of CPU function, "vivo Y91 (2018) 32GB" or "vivo Z1i (2018) 128GB"?
- 1-10.How is the battery duration of "vivo Y91 (2018) 32GB" different from that of "vivo Z1i (2018) 128GB" ? See the differences
- 2.Compare Performance Specs
Compare Performance and Usability
Size comparison of "vivo Y91 (2018) 32GB" and "vivo Z1i (2018) 128GB". 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 "vivo Z1i (2018) 128GB" is 75.0mm tall, 154.8mm wide, and 7.9mm thick.
There is no real difference between the "vivo Y91 (2018) 32GB" and "vivo Z1i (2018) 128GB" 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 (2018) 32GB" and "vivo Z1i (2018) 128GB", 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 (2018) 32GB"and "vivo Z1i (2018) 128GB". 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.
Score | Dimensions (width x height x thickness) | |
---|---|---|
vivo Y91 (2018) 32GB | 62/100 | 75.1mm x 155.1mm x 8.3mm |
vivo Z1i (2018) 128GB | 62/100 | 75.0mm x 154.8mm x 7.9mm |
Which one is easier to hold, "vivo Y91 (2018) 32GB" or "vivo Z1i (2018) 128GB"? 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 "vivo Z1i (2018) 128GB" clocks in at 149.3g. Comparing the weight of the main unit, the "vivo Z1i (2018) 128GB" is a lighter phone than the "vivo Y91 (2018) 32GB", with a difference of approximately 14.1g. Therefore, there is less strain on your fingers and wrists even when you use your phone for a long time on the "vivo Z1i (2018) 128GB" compared to the "vivo Y91 (2018) 32GB". For this reason, the "vivo Z1i (2018) 128GB" is recommended.
Score | Weight | |
---|---|---|
vivo Y91 (2018) 32GB | 64/100 | 163.5g |
vivo Z1i (2018) 128GB | 70/100 | 149.3g |
Which is better in terms of display, "vivo Y91 (2018) 32GB" or "vivo Z1i (2018) 128GB"?
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 6.26inch on the "vivo Z1i (2018) 128GB". The screens of the "vivo Y91 (2018) 32GB" and "vivo Z1i (2018) 128GB" 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.
Score | Display size | |
---|---|---|
vivo Y91 (2018) 32GB | 90/100 | 6.22inch |
vivo Z1i (2018) 128GB | 90/100 | 6.26inch |
Which one has a better display, "vivo Y91 (2018) 32GB" or "vivo Z1i (2018) 128GB"?
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 "vivo Z1i (2018) 128GB", on the other hand, has a screen resolution of 1080 x 2280 and a pixel density of 403ppi. Comparing the screen definition, the "vivo Z1i (2018) 128GB" has a much higher pixel density than the "vivo Y91 (2018) 32GB", with a difference of about 133ppi. The screen on the "vivo Z1i (2018) 128GB" 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 "vivo Z1i (2018) 128GB" rather than the "vivo Y91 (2018) 32GB".
Score | Pixel density | |
---|---|---|
vivo Y91 (2018) 32GB | 54/100 | 270ppi |
vivo Z1i (2018) 128GB | 84/100 | 403ppi |
How is the battery duration of "vivo Y91 (2018) 32GB" different from that of "vivo Z1i (2018) 128GB" ? 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 "vivo Z1i (2018) 128GB" has a 3260.0mAh battery. With regards to battery performance, the "vivo Y91 (2018) 32GB" has a substantially larger battery capacity than the "vivo Z1i (2018) 128GB", with a difference of 770mAh. The "vivo Y91 (2018) 32GB" can be used without charging for a longer time than the "vivo Z1i (2018) 128GB", 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 "vivo Z1i (2018) 128GB".
Score | Battery capacity | |
---|---|---|
vivo Y91 (2018) 32GB | 80/100 | 4030.0mAh |
vivo Z1i (2018) 128GB | 68/100 | 3260.0mAh |
Which is better in terms of CPU function, "vivo Y91 (2018) 32GB" or "vivo Z1i (2018) 128GB"?
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 "vivo Z1i (2018) 128GB" uses an Qualcomm SDM636 Snapdragon 636 CPU that performs at a speed of 1.8GHz+1.6GHz×8(8.0-cores). Comparing CPU performance, the "vivo Z1i (2018) 128GB" has significantly higher specs than the "vivo Y91 (2018) 32GB". The "vivo Z1i (2018) 128GB" proves to be more advanced than the "vivo Y91 (2018) 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 Z1i (2018) 128GB" rather than the "vivo Y91 (2018) 32GB".
Score | CPU specs | |
---|---|---|
vivo Y91 (2018) 32GB | 71/100 | 1.95GHz+1.45GHz×8(8.0-cores) |
vivo Z1i (2018) 128GB | 90/100 | 1.8GHz+1.6GHz×8(8.0-cores) |
How is "vivo Y91 (2018) 32GB" different from "vivo Z1i (2018) 128GB" 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 "vivo Z1i (2018) 128GB", on the other hand, has 8.0GB. As for memory performance, the "vivo Z1i (2018) 128GB" has a larger memory capacity than the "vivo Y91 (2018) 32GB", with a difference of about 5GB. The "vivo Z1i (2018) 128GB" has better multitasking, less crashing, and runs 3D games and VR video better than the "vivo Y91 (2018) 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 Z1i (2018) 128GB" rather than the "vivo Y91 (2018) 32GB".
Score | RAM size | |
---|---|---|
vivo Y91 (2018) 32GB | 60/100 | 3.0GB |
vivo Z1i (2018) 128GB | 93/100 | 8.0GB |
Which has a better storage capacity, "vivo Y91 (2018) 32GB" or "vivo Z1i (2018) 128GB"?
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 "vivo Z1i (2018) 128GB" has 128.0GB. In terms of ROM and data storage, the "vivo Z1i (2018) 128GB" has a much larger capacity than the "vivo Y91 (2018) 32GB", with a difference of about 96GB. The "vivo Z1i (2018) 128GB" can save more photos and keep more apps installed than the "vivo Y91 (2018) 32GB". If you're searching for a smartphone that can store more data, we recommended that you buy the "vivo Z1i (2018) 128GB" rather than the "vivo Y91 (2018) 32GB".
Score | Storage size | |
---|---|---|
vivo Y91 (2018) 32GB | 55/100 | 32.0GB |
vivo Z1i (2018) 128GB | 90/100 | 128.0GB |
Compare the rear cameras of "vivo Y91 (2018) 32GB" and "vivo Z1i (2018) 128GB". 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 "vivo Z1i (2018) 128GB" has 13.0MP. The rear facing cameras of the "vivo Y91 (2018) 32GB" and "vivo Z1i (2018) 128GB" 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.
Score | Rear-camera resolution | |
---|---|---|
vivo Y91 (2018) 32GB | 61/100 | 13.0MP |
vivo Z1i (2018) 128GB | 61/100 | 13.0MP |
Which has a front camera with better picture quality, "vivo Y91 (2018) 32GB" or "vivo Z1i (2018) 128GB"?
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 "vivo Z1i (2018) 128GB"'s has 16.0MP. The front-facing camera of the "vivo Z1i (2018) 128GB" has a significantly higher number of pixels than the "vivo Y91 (2018) 32GB", with a difference of about 8MP. Therefore, the "vivo Z1i (2018) 128GB" is more suitable for taking photos and videos than the "vivo Y91 (2018) 32GB". If you want to take and print high-quality selfies, we recommend buying the "vivo Z1i (2018) 128GB" rather than the "vivo Y91 (2018) 32GB".
Score | Front-camera resolution | |
---|---|---|
vivo Y91 (2018) 32GB | 58/100 | 8.0MP |
vivo Z1i (2018) 128GB | 75/100 | 16.0MP |
Compare Performance Specs
vivo Y91 (2018) 32GB | vivo Z1i (2018) 128GB | |
Image | ||
Maker | vivo | vivo |
Release date | 2018-11 | 2018-07 |
Color | Starry Black/Ocean Blue | Black/Red |
OS | Android | Android |
Dimensions (width x height x thickness) | 75.1mm x 155.1mm x 8.3mm | 75.0mm x 154.8mm x 7.9mm |
Weight | 163.5g | 149.3g |
Display size | 6.22inch | 6.26inch |
Display type | IPS LCD | IPS LCD |
Screen resolution (width x height) | 720 x 1520 | 1080 x 2280 |
Pixel density | 270ppi | 403ppi |
Battery capacity | 4030.0mAh | 3260.0mAh |
Chipset | Qualcomm SDM439 Snapdragon 439 | Qualcomm SDM636 Snapdragon 636 |
CPU specs | 1.95GHz+1.45GHz×8(8.0-cores) | 1.8GHz+1.6GHz×8(8.0-cores) |
RAM size | 3.0GB | 8.0GB |
Storage size | 32.0GB | 128.0GB |
Rear-camera resolution | 13.0MP | 13.0MP |
Front-camera resolution | 8.0MP | 16.0MP |
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