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ROG Phone II ZS660KL 1024GB vs vivo iQOO (2019) 256GB

Created date: 2019-09-07 06:30:57, Updated date: 2020-04-16 19:39:36

ROG Phone II ZS660KL 1024GBvivo iQOO (2019) 256GB
ROG Phone II ZS660KL 1024GBvivo iQOO (2019) 256GB

How did the evaluations between the "ROG Phone II ZS660KL 1024GB" and "vivo iQOO (2019) 256GB" 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!

ROG Phone II ZS660KL 1024GBvivo iQOO (2019) 256GB
ROG Phone II ZS660KL 1024GB

vivo iQOO (2019) 256GB

General rating:
Holding comfortrating-image2.8
55/100
rating-image3.1
61/100
Weightrating-image2.2
44/100
rating-image2.6
52/100
Screen sizerating-image4.5
90/100
rating-image4.5
90/100
Display qualityrating-image4.1
82/100
rating-image4.2
84/100
Battery liferating-image4.3
86/100
rating-image4.0
80/100
Processing powerrating-image4.9
98/100
rating-image4.9
98/100
Memory capacityrating-image5.0
99/100
rating-image5.0
99/100
Storage capacityrating-image5.0
99/100
rating-image4.6
91/100
Rear camera performancerating-image4.9
97/100
rating-image3.1
61/100
Front camera performancerating-image4.3
86/100
rating-image3.5
70/100

"ROG Phone II ZS660KL 1024GB" and "vivo iQOO (2019) 256GB", performance comparison

"ROG Phone II ZS660KL 1024GB" and "vivo iQOO (2019) 256GB" 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 "ROG Phone II ZS660KL 1024GB" has a width of 77.6mm, a length of 171.0mm, and a thickness of 9.5mm. Also, the "vivo iQOO (2019) 256GB" has a width of 75.2mm, a length of 157.7mm, and a thickness of 8.5mm.

Comparing the width and thickness of the body, the "vivo iQOO (2019) 256GB" is smaller and more compact compared to the "ROG Phone II ZS660KL 1024GB". For that reason, the "vivo iQOO (2019) 256GB" is easier to grip firmly and carry one-handed than the "ROG Phone II ZS660KL 1024GB". For that reason, we recommend the "vivo iQOO (2019) 256GB".

Comparing the width and thickness of the body, the "vivo iQOO (2019) 256GB" is a more compact size than the "ROG Phone II ZS660KL 1024GB". For that reason the "vivo iQOO (2019) 256GB" has higher one-handed operability, and has greater portability, being less likely to get in the way when being carried. For these reasons, we recommend the "vivo iQOO (2019) 256GB".

Comparing the overall size of the two devices, the "vivo iQOO (2019) 256GB" has a large size compared to the "ROG Phone II ZS660KL 1024GB". For that reason the "vivo iQOO (2019) 256GB" is a size that is easier to use in one hand and comfortably carry than the "ROG Phone II ZS660KL 1024GB". That's why we recommend the "vivo iQOO (2019) 256GB".

ScoreDimensions (width x height x thickness)
ROG Phone II ZS660KL 1024GB55/10077.6mm x 171.0mm x 9.5mm
vivo iQOO (2019) 256GB61/10075.2mm x 157.7mm x 8.5mm

"ROG Phone II ZS660KL 1024GB" and "vivo iQOO (2019) 256GB", 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 "ROG Phone II ZS660KL 1024GB" is about 240.0g, and the weight of the "vivo iQOO (2019) 256GB" is about 196.0g. Comparing the weight of the two devices, the "vivo iQOO (2019) 256GB" is a lighter smart phone than the "ROG Phone II ZS660KL 1024GB", with a difference of about 44g. For that reason the "vivo iQOO (2019) 256GB" is a smart phone that is less likely than the "ROG Phone II ZS660KL 1024GB"to put a burden on your fingers and wrist when used for an extended period. That's why we recommend the "vivo iQOO (2019) 256GB" over the "ROG Phone II ZS660KL 1024GB".

ScoreWeight
ROG Phone II ZS660KL 1024GB44/100240.0g
vivo iQOO (2019) 256GB52/100196.0g

"ROG Phone II ZS660KL 1024GB" and "vivo iQOO (2019) 256GB", 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 "ROG Phone II ZS660KL 1024GB" has a 6.59inch display. Also, the "vivo iQOO (2019) 256GB" has a 6.41inch display. Comparing the screen size, there is a negligible difference in screen size between the "ROG Phone II ZS660KL 1024GB" and the "vivo iQOO (2019) 256GB". 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
ROG Phone II ZS660KL 1024GB90/1006.59inch
vivo iQOO (2019) 256GB90/1006.41inch

"ROG Phone II ZS660KL 1024GB" and "vivo iQOO (2019) 256GB", 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 "ROG Phone II ZS660KL 1024GB" is 1080 x 2340, and pixel density is 391ppi. Also, the resolution on the "vivo iQOO (2019) 256GB" is 1080 x 2340, and pixel density is 402ppi. Comparing the pixel count, the difference in pixel density between the "ROG Phone II ZS660KL 1024GB" and the "vivo iQOO (2019) 256GB" 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
ROG Phone II ZS660KL 1024GB82/100391ppi
vivo iQOO (2019) 256GB84/100402ppi

"ROG Phone II ZS660KL 1024GB" and "vivo iQOO (2019) 256GB", 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 "ROG Phone II ZS660KL 1024GB" is 6000.0mAh, and the "vivo iQOO (2019) 256GB" is 4000.0mAh. Regarding battery capacity, the "ROG Phone II ZS660KL 1024GB" has greater battery capacity than the "vivo iQOO (2019) 256GB", with a 2000mAh difference. If battery is a priority, then the "ROG Phone II ZS660KL 1024GB" is recommended over the "vivo iQOO (2019) 256GB".

ScoreBattery capacity
ROG Phone II ZS660KL 1024GB86/1006000.0mAh
vivo iQOO (2019) 256GB80/1004000.0mAh

"ROG Phone II ZS660KL 1024GB" and "vivo iQOO (2019) 256GB", 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 "ROG Phone II ZS660KL 1024GB"'s CPU is a Qualcomm SM8150 Snapdragon 855+, with performance measured at 2.96GHz+2.42GHz+1.78GHz×8(8.0-cores). Also, the "vivo iQOO (2019) 256GB"'s CPU is a Qualcomm SM8150 Snapdragon 855, with performance measured at 2.84GHz+2.42GHz+1.78GHz×8(8.0-cores). Comparing CPU performance, there is almost no difference in the specs of the "ROG Phone II ZS660KL 1024GB" and the "vivo iQOO (2019) 256GB". 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
ROG Phone II ZS660KL 1024GB98/1002.96GHz+2.42GHz+1.78GHz×8(8.0-cores)
vivo iQOO (2019) 256GB98/1002.84GHz+2.42GHz+1.78GHz×8(8.0-cores)

"ROG Phone II ZS660KL 1024GB" and "vivo iQOO (2019) 256GB", 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 "ROG Phone II ZS660KL 1024GB" is 12.0GB and the weight of the "vivo iQOO (2019) 256GB" is 12.0GB. Comparing the devices in terms of RAM, there is almost no difference in the amount of RAM of the "ROG Phone II ZS660KL 1024GB" and the "vivo iQOO (2019) 256GB". 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
ROG Phone II ZS660KL 1024GB99/10012.0GB
vivo iQOO (2019) 256GB99/10012.0GB

"ROG Phone II ZS660KL 1024GB" and "vivo iQOO (2019) 256GB", 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 "ROG Phone II ZS660KL 1024GB" is 1024.0GB. Also the "vivo iQOO (2019) 256GB" is 256.0GB. Regarding storage capacity, the "ROG Phone II ZS660KL 1024GB" has a greater storage capacity compared to the "vivo iQOO (2019) 256GB", with a roughly 768GB difference. As a result, the "ROG Phone II ZS660KL 1024GB" can take more pictures and videos, and have more applications installed, than the "vivo iQOO (2019) 256GB". Therefore, we recommend the "ROG Phone II ZS660KL 1024GB".

ScoreStorage size
ROG Phone II ZS660KL 1024GB99/1001024.0GB
vivo iQOO (2019) 256GB91/100256.0GB

"ROG Phone II ZS660KL 1024GB" and "vivo iQOO (2019) 256GB" 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.

"ROG Phone II ZS660KL 1024GB" has a 48.0MP main camera. Also, "vivo iQOO (2019) 256GB" has a 13.0MP main camera. Comparing rear camera performance, the "ROG Phone II ZS660KL 1024GB" has a much higher pixel count compared to the "vivo iQOO (2019) 256GB", with a roughly 35MP difference. In terms of taking or shooting high resolution pictures or videos that will look clean when printed, the "ROG Phone II ZS660KL 1024GB" is superior to the "vivo iQOO (2019) 256GB". If you are looking for a smartphone that is suited for shooting videos and taking pictures, we recommend the "ROG Phone II ZS660KL 1024GB" over the "vivo iQOO (2019) 256GB".

ScoreRear-camera resolution
ROG Phone II ZS660KL 1024GB97/10048.0MP
vivo iQOO (2019) 256GB61/10013.0MP

"ROG Phone II ZS660KL 1024GB" and "vivo iQOO (2019) 256GB", 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.

"ROG Phone II ZS660KL 1024GB" has an 24.0MP front camera and "vivo iQOO (2019) 256GB" has an 12.0MP front camera. Comparing rear camera performance, the front camera of the "ROG Phone II ZS660KL 1024GB" has a much higher pixel count compared to the "vivo iQOO (2019) 256GB", with a roughly 12MP difference. As a result, the "ROG Phone II ZS660KL 1024GB" is more suited than the "vivo iQOO (2019) 256GB" 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 "ROG Phone II ZS660KL 1024GB" over the "vivo iQOO (2019) 256GB".

ScoreFront-camera resolution
ROG Phone II ZS660KL 1024GB86/10024.0MP
vivo iQOO (2019) 256GB70/10012.0MP

"ROG Phone II ZS660KL 1024GB" and "vivo iQOO (2019) 256GB", performance comparison by specification sheet

ROG Phone II ZS660KL 1024GBvivo iQOO (2019) 256GB
ImageROG Phone II ZS660KL 1024GBvivo iQOO (2019) 256GB
MakerAsusvivo
Release date2019-092019-03
ColorMatte Black/Glossy BlackOptic Blue/Lava Orange/Samurai Black/Feather White
OSAndroidAndroid
Dimensions (width x height x thickness)77.6mm x 171.0mm x 9.5mm75.2mm x 157.7mm x 8.5mm
Weight240.0g196.0g
Display size6.59inch6.41inch
Display typeAMOLEDSuper AMOLED
Screen resolution (width x height)1080 x 23401080 x 2340
Pixel density391ppi402ppi
Battery capacity6000.0mAh4000.0mAh
ChipsetQualcomm SM8150 Snapdragon 855+Qualcomm SM8150 Snapdragon 855
CPU specs2.96GHz+2.42GHz+1.78GHz×8(8.0-cores)2.84GHz+2.42GHz+1.78GHz×8(8.0-cores)
RAM size12.0GB12.0GB
Storage size1024.0GB256.0GB
Rear-camera resolution48.0MP13.0MP
Front-camera resolution24.0MP12.0MP

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