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Which is better, vivo iQOO Z6x 256GB or vivo iQOO U5 128GB? We compared their features and specs in detail

Created date: 2022-10-18 21:40:00

vivo iQOO Z6x 256GBvivo iQOO U5 128GB
vivo iQOO Z6x 256GBvivo iQOO U5 128GB

Are you having trouble comparing the differences in features and performance of the "vivo iQOO Z6x 256GB" and "vivo iQOO U5 128GB", or unsure about their differences in ease-of-use, and wondering which to buy? We did a deep-dive comparison of the features, specs, and capabilities of these two smartphone, and provided our rating of which one was a better buy.

vivo iQOO Z6x 256GBvivo iQOO U5 128GB
vivo iQOO Z6x 256GB

vivo iQOO U5 128GB

General rating:
Holding comfortrating-image3.0
59/100
rating-image3.0
60/100
Weightrating-image2.5
49/100
rating-image2.8
56/100
Screen sizerating-image4.5
90/100
rating-image4.5
90/100
Display qualityrating-image4.2
84/100
rating-image4.2
84/100
Battery liferating-image
- /100
rating-image
- /100
Processing powerrating-image4.7
93/100
rating-image4.6
92/100
Memory capacityrating-image4.7
93/100
rating-image4.7
93/100
Storage capacityrating-image4.6
91/100
rating-image4.5
90/100
Rear camera performancerating-image4.9
98/100
rating-image4.9
98/100
Front camera performancerating-image2.9
58/100
rating-image2.9
58/100

"vivo iQOO Z6x 256GB" and "vivo iQOO U5 128GB", performance comparison

"vivo iQOO Z6x 256GB" and "vivo iQOO U5 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 iQOO Z6x 256GB" has a width of 75.3mm, a length of 163.9mm, and a thickness of 9.3mm. Also, the "vivo iQOO U5 128GB" has a width of 75.8mm, a length of 164.0mm, and a thickness of 8.3mm.

Comparing the width and thickness of the body, there isn't much difference between the "vivo iQOO Z6x 256GB" and "vivo iQOO U5 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 iQOO Z6x 256GB" and the "vivo iQOO U5 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 iQOO Z6x 256GB" and the "vivo iQOO U5 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 iQOO Z6x 256GB59/10075.3mm x 163.9mm x 9.3mm
vivo iQOO U5 128GB60/10075.8mm x 164.0mm x 8.3mm

"vivo iQOO Z6x 256GB" and "vivo iQOO U5 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 iQOO Z6x 256GB" is about 204.0g, and the weight of the "vivo iQOO U5 128GB" is about 185.0g. Comparing the weight of the two devices, the "vivo iQOO U5 128GB" is a lighter smart phone than the "vivo iQOO Z6x 256GB", with a difference of about 19g. For that reason the "vivo iQOO U5 128GB" is a smart phone that is less likely than the "vivo iQOO Z6x 256GB"to put a burden on your fingers and wrist when used for an extended period. That's why we recommend the "vivo iQOO U5 128GB" over the "vivo iQOO Z6x 256GB".

ScoreWeight
vivo iQOO Z6x 256GB49/100204.0g
vivo iQOO U5 128GB56/100185.0g

"vivo iQOO Z6x 256GB" and "vivo iQOO U5 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 iQOO Z6x 256GB" has a 6.58inch display. Also, the "vivo iQOO U5 128GB" has a 6.58inch display. Comparing the screen size, there is a negligible difference in screen size between the "vivo iQOO Z6x 256GB" and the "vivo iQOO U5 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 iQOO Z6x 256GB90/1006.58inch
vivo iQOO U5 128GB90/1006.58inch

"vivo iQOO Z6x 256GB" and "vivo iQOO U5 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 iQOO Z6x 256GB" is 1080 x 2408, and pixel density is 401ppi. Also, the resolution on the "vivo iQOO U5 128GB" is 1080 x 2408, and pixel density is 401ppi. Comparing the pixel count, the difference in pixel density between the "vivo iQOO Z6x 256GB" and the "vivo iQOO U5 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
vivo iQOO Z6x 256GB84/100401ppi
vivo iQOO U5 128GB84/100401ppi

"vivo iQOO Z6x 256GB" and "vivo iQOO U5 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.

ScoreBattery capacity
vivo iQOO Z6x 256GB - /100
vivo iQOO U5 128GB - /100

"vivo iQOO Z6x 256GB" and "vivo iQOO U5 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 iQOO Z6x 256GB"'s CPU is a MediaTek MT6833P Dimensity 810, with performance measured at 2.4GHz+2.0GHz×8(8.0-cores). Also, the "vivo iQOO U5 128GB"'s CPU is a Qualcomm SM6375 Snapdragon 695 5G, with performance measured at 2.2GHz+1.7GHz×8(8.0-cores). Comparing CPU performance, there is almost no difference in the specs of the "vivo iQOO Z6x 256GB" and the "vivo iQOO U5 128GB". For that reason the level of smoothness felt when using apps and comfortable handling of games is about the same. For that reason it is better to compare them in terms of other aspects of performance and functionality.

ScoreCPU specs
vivo iQOO Z6x 256GB93/1002.4GHz+2.0GHz×8(8.0-cores)
vivo iQOO U5 128GB92/1002.2GHz+1.7GHz×8(8.0-cores)

"vivo iQOO Z6x 256GB" and "vivo iQOO U5 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 iQOO Z6x 256GB" is 8.0GB and the weight of the "vivo iQOO U5 128GB" is 8.0GB. Comparing the devices in terms of RAM, there is almost no difference in the amount of RAM of the "vivo iQOO Z6x 256GB" and the "vivo iQOO U5 128GB". For that reason they have about the same level of multitasking performance and 3D game and VR smoothness. That's why it is better to make a comparison in terms of other aspects of performance and functionality.

ScoreRAM size
vivo iQOO Z6x 256GB93/1008.0GB
vivo iQOO U5 128GB93/1008.0GB

"vivo iQOO Z6x 256GB" and "vivo iQOO U5 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 iQOO Z6x 256GB" is 256.0GB. Also the "vivo iQOO U5 128GB" is 128.0GB. Regarding storage capacity, there is a negligible difference in storage capacity between the "vivo iQOO Z6x 256GB" and "vivo iQOO U5 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
vivo iQOO Z6x 256GB91/100256.0GB
vivo iQOO U5 128GB90/100128.0GB

"vivo iQOO Z6x 256GB" and "vivo iQOO U5 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 iQOO Z6x 256GB" has a 50.0MP main camera. Also, "vivo iQOO U5 128GB" has a 50.0MP main camera. Comparing rear camera performance, the "vivo iQOO Z6x 256GB" and "vivo iQOO U5 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.

ScoreRear-camera resolution
vivo iQOO Z6x 256GB98/10050.0MP
vivo iQOO U5 128GB98/10050.0MP

"vivo iQOO Z6x 256GB" and "vivo iQOO U5 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 iQOO Z6x 256GB" has an 8.0MP front camera and "vivo iQOO U5 128GB" has an 8.0MP front camera. Comparing rear camera performance, the "vivo iQOO Z6x 256GB" and "vivo iQOO U5 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
vivo iQOO Z6x 256GB58/1008.0MP
vivo iQOO U5 128GB58/1008.0MP

"vivo iQOO Z6x 256GB" and "vivo iQOO U5 128GB", performance comparison by specification sheet

vivo iQOO Z6x 256GBvivo iQOO U5 128GB
Imagevivo iQOO Z6x 256GBvivo iQOO U5 128GB
Makervivovivo
Release date2022-09-012022-01-01
ColorBlack/Blue/OrangeWhite/Gray/Aurora
OSAndroidAndroid
Dimensions (width x height x thickness)75.3mm x 163.9mm x 9.3mm75.8mm x 164.0mm x 8.3mm
Weight204.0g185.0g
Display size6.58inch6.58inch
Display typeIPS LCDIPS LCD
Screen resolution (width x height)1080 x 24081080 x 2408
Pixel density401ppi401ppi
ChipsetMediaTek MT6833P Dimensity 810Qualcomm SM6375 Snapdragon 695 5G
CPU specs2.4GHz+2.0GHz×8(8.0-cores)2.2GHz+1.7GHz×8(8.0-cores)
RAM size8.0GB8.0GB
Storage size256.0GB128.0GB
Rear-camera resolution50.0MP50.0MP
Front-camera resolution8.0MP8.0MP

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