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OnePlus 8 (2020) 256GB vs vivo Z5i (2019) 128GB

Created date: 2020-04-13 15:32:29, Updated date: 2021-10-20 22:07:32

OnePlus 8 (2020) 256GBvivo Z5i (2019) 128GB
OnePlus 8 (2020) 256GBvivo Z5i (2019) 128GB

Here's our thorough comparison of the difference in performance and function between the "OnePlus 8 (2020) 256GB" and "vivo Z5i (2019) 128GB". Which one should you buy? We'll compare and explain what differs between the "OnePlus 8 (2020) 256GB" and "vivo Z5i (2019) 128GB" in a way that even people who aren't used to choosing between two similar products can understand.

OnePlus 8 (2020) 256GBvivo Z5i (2019) 128GB
OnePlus 8 (2020) 256GB

vivo Z5i (2019) 128GB

General rating:

80.5/100

(The 3017th of all smartphones)

70.9/100

(The 3428th of all smartphones)

Holding comfort
66/100
58/100
Weight
58/100
53/100
Screen size
90/100
90/100
Display quality
84/100
83/100
Battery life
80/100
83/100
Processing power
98/100
91/100
Memory capacity
99/100
93/100
Storage capacity
91/100
90/100
Rear camera performance
97/100
68/100
Front camera performance
75/100
75/100

"OnePlus 8 (2020) 256GB" and "vivo Z5i (2019) 128GB", performance comparison

"OnePlus 8 (2020) 256GB" and "vivo Z5i (2019) 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 "OnePlus 8 (2020) 256GB" has a width of 72.9mm, a length of 160.2mm, and a thickness of 8.0mm. Also, the "vivo Z5i (2019) 128GB" has a width of 76.5mm, a length of 162.2mm, and a thickness of 8.9mm.

Comparing the width and thickness of the body, the "OnePlus 8 (2020) 256GB" is smaller and more compact compared to the "vivo Z5i (2019) 128GB". For that reason, the "OnePlus 8 (2020) 256GB" is easier to grip firmly and carry one-handed than the "vivo Z5i (2019) 128GB". For that reason, we recommend the "OnePlus 8 (2020) 256GB".

Comparing the width and thickness of the body, there isn't a large difference in size between the "OnePlus 8 (2020) 256GB" and the "vivo Z5i (2019) 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 "OnePlus 8 (2020) 256GB" and the "vivo Z5i (2019) 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)
OnePlus 8 (2020) 256GB66/10072.9mm x 160.2mm x 8.0mm
vivo Z5i (2019) 128GB58/10076.5mm x 162.2mm x 8.9mm

"OnePlus 8 (2020) 256GB" and "vivo Z5i (2019) 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 "OnePlus 8 (2020) 256GB" is about 180.0g, and the weight of the "vivo Z5i (2019) 128GB" is about 193.0g. Comparing the weight of the two devices, the "OnePlus 8 (2020) 256GB" is a lighter smart phone than the "vivo Z5i (2019) 128GB", with a difference of about 13g. For that reason the "OnePlus 8 (2020) 256GB" is a smart phone that is less likely than the "vivo Z5i (2019) 128GB"to put a burden on your fingers and wrist when used for an extended period. That's why we recommend the "OnePlus 8 (2020) 256GB" over the "vivo Z5i (2019) 128GB".

ScoreWeight
OnePlus 8 (2020) 256GB58/100180.0g
vivo Z5i (2019) 128GB53/100193.0g

"OnePlus 8 (2020) 256GB" and "vivo Z5i (2019) 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 "OnePlus 8 (2020) 256GB" has a 6.55inch display. Also, the "vivo Z5i (2019) 128GB" has a 6.53inch display. Comparing the screen size, there is a negligible difference in screen size between the "OnePlus 8 (2020) 256GB" and the "vivo Z5i (2019) 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
OnePlus 8 (2020) 256GB90/1006.55inch
vivo Z5i (2019) 128GB90/1006.53inch

"OnePlus 8 (2020) 256GB" and "vivo Z5i (2019) 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 "OnePlus 8 (2020) 256GB" is 1080 x 2400, and pixel density is 401ppi. Also, the resolution on the "vivo Z5i (2019) 128GB" is 1080 x 2340, and pixel density is 394ppi. Comparing the pixel count, the difference in pixel density between the "OnePlus 8 (2020) 256GB" and the "vivo Z5i (2019) 128GB" 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
OnePlus 8 (2020) 256GB84/100401ppi
vivo Z5i (2019) 128GB83/100394ppi

"OnePlus 8 (2020) 256GB" and "vivo Z5i (2019) 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 "OnePlus 8 (2020) 256GB" is 4300.0mAh, and the "vivo Z5i (2019) 128GB" is 5000.0mAh. Regarding battery capacity, there is a negligible difference in battery capacity between the "OnePlus 8 (2020) 256GB" and "vivo Z5i (2019) 128GB". Since both have roughly equal battery life, you are better off comparing them based on other aspects of performance and functionality.

ScoreBattery capacity
OnePlus 8 (2020) 256GB80/1004300.0mAh
vivo Z5i (2019) 128GB83/1005000.0mAh

"OnePlus 8 (2020) 256GB" and "vivo Z5i (2019) 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 "OnePlus 8 (2020) 256GB"'s CPU is a Qualcomm SM8250 Snapdragon 865, with performance measured at 2.84GHz+2.42GHz+1.8GHz×8(8.0-cores). Also, the "vivo Z5i (2019) 128GB"'s CPU is a Qualcomm SDM675 Snapdragon 675, with performance measured at 2.0GHz+1.7GHz×8(8.0-cores). Comparing CPU performance, the "OnePlus 8 (2020) 256GB" has higher specs compared to the "vivo Z5i (2019) 128GB". For that reason, the "OnePlus 8 (2020) 256GB" allows for more comfortable use of apps, and games that run more smoothly. That's why we recommend the "OnePlus 8 (2020) 256GB" over the "vivo Z5i (2019) 128GB".

ScoreCPU specs
OnePlus 8 (2020) 256GB98/1002.84GHz+2.42GHz+1.8GHz×8(8.0-cores)
vivo Z5i (2019) 128GB91/1002.0GHz+1.7GHz×8(8.0-cores)

"OnePlus 8 (2020) 256GB" and "vivo Z5i (2019) 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 "OnePlus 8 (2020) 256GB" is 12.0GB and the weight of the "vivo Z5i (2019) 128GB" is 8.0GB. Comparing the devices in terms of RAM, the "OnePlus 8 (2020) 256GB" has more RAM than the "vivo Z5i (2019) 128GB", with a difference of about 4GB. For that reason the "OnePlus 8 (2020) 256GB" allows for smoother multitasking than the "vivo Z5i (2019) 128GB", and apps are less likely to crash. In addition the "OnePlus 8 (2020) 256GB" allows for smoother enjoyment of 3D games and VR. For this reason, we recommend the "OnePlus 8 (2020) 256GB".

ScoreRAM size
OnePlus 8 (2020) 256GB99/10012.0GB
vivo Z5i (2019) 128GB93/1008.0GB

"OnePlus 8 (2020) 256GB" and "vivo Z5i (2019) 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 "OnePlus 8 (2020) 256GB" is 256.0GB. Also the "vivo Z5i (2019) 128GB" is 128.0GB. Regarding storage capacity, there is a negligible difference in storage capacity between the "OnePlus 8 (2020) 256GB" and "vivo Z5i (2019) 128GB". 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
OnePlus 8 (2020) 256GB91/100256.0GB
vivo Z5i (2019) 128GB90/100128.0GB

"OnePlus 8 (2020) 256GB" and "vivo Z5i (2019) 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.

"OnePlus 8 (2020) 256GB" has a 48.0MP main camera. Also, "vivo Z5i (2019) 128GB" has a 16.0MP main camera. Comparing rear camera performance, the "OnePlus 8 (2020) 256GB" has a much higher pixel count compared to the "vivo Z5i (2019) 128GB", with a roughly 32MP difference. In terms of taking or shooting high resolution pictures or videos that will look clean when printed, the "OnePlus 8 (2020) 256GB" is superior to the "vivo Z5i (2019) 128GB". If you are looking for a smartphone that is suited for shooting videos and taking pictures, we recommend the "OnePlus 8 (2020) 256GB" over the "vivo Z5i (2019) 128GB".

ScoreRear-camera resolution
OnePlus 8 (2020) 256GB97/10048.0MP
vivo Z5i (2019) 128GB68/10016.0MP

"OnePlus 8 (2020) 256GB" and "vivo Z5i (2019) 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.

"OnePlus 8 (2020) 256GB" has an 16.0MP front camera and "vivo Z5i (2019) 128GB" has an 16.0MP front camera. Comparing rear camera performance, the "OnePlus 8 (2020) 256GB" and "vivo Z5i (2019) 128GB" 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
OnePlus 8 (2020) 256GB75/10016.0MP
vivo Z5i (2019) 128GB75/10016.0MP

"OnePlus 8 (2020) 256GB" and "vivo Z5i (2019) 128GB", performance comparison by specification sheet

OnePlus 8 (2020) 256GBvivo Z5i (2019) 128GB
ImageOnePlus 8 (2020) 256GBvivo Z5i (2019) 128GB
MakerOnePlusvivo
Release date2020-04-212019-11-28
ColorOnyx Black/Glacial Green/Interstellar Glow/Polar SilverGlazed Black/Jade Blue
OSAndroidAndroid
Dimensions (width x height x thickness)72.9mm x 160.2mm x 8.0mm76.5mm x 162.2mm x 8.9mm
Weight180.0g193.0g
Display size6.55inch6.53inch
Display typeFluid AMOLEDIPS LCD
Screen resolution (width x height)1080 x 24001080 x 2340
Pixel density401ppi394ppi
Battery capacity4300.0mAh5000.0mAh
ChipsetQualcomm SM8250 Snapdragon 865Qualcomm SDM675 Snapdragon 675
CPU specs2.84GHz+2.42GHz+1.8GHz×8(8.0-cores)2.0GHz+1.7GHz×8(8.0-cores)
RAM size12.0GB8.0GB
Storage size256.0GB128.0GB
Rear-camera resolution48.0MP16.0MP
Front-camera resolution16.0MP16.0MP

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