Which is better, ROG Phone II ZS660KL or ZenFone 5Z? We compared their features and specs in detail

Created date: 09/06/2019, 20:44:51, Updated date: 04/16/2020, 09:53:30

ROG Phone II ZS660KLZenFone 5Z
ROG Phone II ZS660KLZenFone 5Z

Here's our thorough comparison of the difference in performance and function between the ROG Phone II ZS660KL and ZenFone 5Z. Which one should you buy? We'll compare and explain what differs between the ROG Phone II ZS660KL and ZenFone 5Z in a way that even people who aren't used to choosing between two similar products can understand.

ROG Phone II ZS660KLZenFone 5Z
ROG Phone II ZS660KL

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ZenFone 5Z

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General rating:

82.6/100

(The 13th of all smartphones)

77.9/100

(The - of all smartphones)

Holding comfort
55/100
62/100
Weight
44/100
64/100
Screen size
90/100
90/100
Display quality
82/100
84/100
Battery life
86/100
69/100
Processing power
98/100
91/100
Memory capacity
99/100
90/100
Storage capacity
99/100
90/100
Rear camera performance
97/100
59/100
Front camera performance
86/100
58/100

ROG Phone II ZS660KL and ZenFone 5Z, performance comparison

ROG Phone II ZS660KL and ZenFone 5Z 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 has a width of 3.1 inches (77.6 mm), a length of 6.7 inches (171 mm), and a thickness of 0.4 inches (9.5 mm). Also, the ZenFone 5Z has a width of 3.0 inches (75.6 mm), a length of 6.0 inches (153 mm), and a thickness of 0.3 inches (7.7 mm).

Comparing the width and thickness of the body, the ZenFone 5Z is smaller and more compact compared to the ROG Phone II ZS660KL. For that reason, the ZenFone 5Z is easier to grip firmly and carry one-handed than the ROG Phone II ZS660KL. For that reason, we recommend the ZenFone 5Z.

Comparing the width and thickness of the body, the ZenFone 5Z is a more compact size than the ROG Phone II ZS660KL. For that reason the ZenFone 5Z 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 ZenFone 5Z.

Comparing the overall size of the two devices, the ZenFone 5Z has a large size compared to the ROG Phone II ZS660KL. For that reason the ZenFone 5Z is a size that is easier to use in one hand and comfortably carry than the ROG Phone II ZS660KL. That's why we recommend the ZenFone 5Z.

ScoreDimensions (width x height x thickness)
ROG Phone II ZS660KL55/1003.1 inches (77.6 mm) x 6.7 inches (171 mm) x 0.4 inches (9.5 mm)
ZenFone 5Z62/1003.0 inches (75.6 mm) x 6.0 inches (153 mm) x 0.3 inches (7.7 mm)

ROG Phone II ZS660KL and ZenFone 5Z, 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 is about 240 oz (240 g), and the weight of the ZenFone 5Z is about 165 oz (165 g). Comparing the weight of the two devices, the ZenFone 5Z is a considerably lighter smart phone than the ROG Phone II ZS660KL, and there is a difference of about 165 oz (75 g). In terms of the burden placed upon your fingers and wrist, the ZenFone 5Z is superior to the ROG Phone II ZS660KL. If you are going for a smart phone that won't lead to hand fatigue even after extended use, and is less likely to place a burden on your fingers, we recommend purchasing the ZenFone 5Z over the ROG Phone II ZS660KL.

ScoreWeight
ROG Phone II ZS660KL44/100240 oz (240 g)
ZenFone 5Z64/100165 oz (165 g)

ROG Phone II ZS660KL and ZenFone 5Z, 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 has a 6.59 inch display. Also, the ZenFone 5Z has a 6.2 inch display. Comparing the screen size, there is a negligible difference in screen size between the ROG Phone II ZS660KL and the ZenFone 5Z. 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 ZS660KL90/1006.59 inch
ZenFone 5Z90/1006.2 inch

ROG Phone II ZS660KL and ZenFone 5Z, 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 is 1080 x 2340, and pixel density is 391 ppi. Also, the resolution on the ZenFone 5Z is 1080 x 2246, and pixel density is 401 ppi. Comparing the pixel count, the difference in pixel density between the ROG Phone II ZS660KL and the ZenFone 5Z 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 ZS660KL82/100391 ppi
ZenFone 5Z84/100401 ppi

ROG Phone II ZS660KL and ZenFone 5Z, 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 is 6000 mAh, and the ZenFone 5Z is 3300 mAh. Regarding battery capacity, the ROG Phone II ZS660KL has greater battery capacity than the ZenFone 5Z, with a 2700 mAh difference. Since the ROG Phone II ZS660KL can be used for longer periods without recharging than the ZenFone 5Z, it is great for outdoor use. If you want a smartphone with a longer battery life, we recommend the ROG Phone II ZS660KL over the ZenFone 5Z.

ScoreBattery capacity
ROG Phone II ZS660KL86/1006000 mAh
ZenFone 5Z69/1003300 mAh

ROG Phone II ZS660KL and ZenFone 5Z, 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's CPU is a Qualcomm SM8150 Snapdragon 855+, with performance measured at 2.96GHz+2.42GHz+1.78GHz×8(OctaCore). Also, the ZenFone 5Z's CPU is a Snapdragon 845 SDM845, with performance measured at 2.8GHz×8(OctaCore). Comparing CPU performance, the ROG Phone II ZS660KL has higher specs compared to the ZenFone 5Z. For that reason, the ROG Phone II ZS660KL allows for more comfortable use of apps, and games that run more smoothly. That's why we recommend the ROG Phone II ZS660KL over the ZenFone 5Z.

ScoreCPU specs
ROG Phone II ZS660KL98/1002.96GHz+2.42GHz+1.78GHz×8(OctaCore)
ZenFone 5Z91/1002.8GHz×8(OctaCore)

ROG Phone II ZS660KL and ZenFone 5Z, 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 is 12GB and the weight of the ZenFone 5Z is 6GB. Comparing the devices in terms of RAM, the ROG Phone II ZS660KL has more RAM than the ZenFone 5Z, with a difference of about 6GB. For that reason the ROG Phone II ZS660KL allows for smoother multitasking than the ZenFone 5Z, and apps are less likely to crash. In addition the ROG Phone II ZS660KL allows for smoother enjoyment of 3D games and VR. For this reason, we recommend the ROG Phone II ZS660KL.

ScoreRAM size
ROG Phone II ZS660KL99/10012GB
ZenFone 5Z90/1006GB

ROG Phone II ZS660KL and ZenFone 5Z, 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 is 1024GB. Also the ZenFone 5Z is 128GB. Regarding storage capacity, the ROG Phone II ZS660KL has a greater storage capacity compared to the ZenFone 5Z, with a roughly 896GB difference. As a result, the ROG Phone II ZS660KL can take more pictures and videos, and have more applications installed, than the ZenFone 5Z. Therefore, we recommend the ROG Phone II ZS660KL.

ScoreStorage size
ROG Phone II ZS660KL99/1001024GB
ZenFone 5Z90/100128GB

ROG Phone II ZS660KL and ZenFone 5Z 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 has a 48 MP main camera. Also, ZenFone 5Z has a 12 MP main camera. Comparing rear camera performance, the ROG Phone II ZS660KL has a much higher pixel count compared to the ZenFone 5Z, with a roughly 36 MP difference. In terms of taking or shooting high resolution pictures or videos that will look clean when printed, the ROG Phone II ZS660KL is superior to the ZenFone 5Z. If you are looking for a smartphone that is suited for shooting videos and taking pictures, we recommend the ROG Phone II ZS660KL over the ZenFone 5Z.

ScoreRear-camera resolution
ROG Phone II ZS660KL97/10048 MP
ZenFone 5Z59/10012 MP

ROG Phone II ZS660KL and ZenFone 5Z, 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 has an 24 MP front camera and ZenFone 5Z has an 8 MP front camera. Comparing rear camera performance, the front camera of the ROG Phone II ZS660KL has a much higher pixel count compared to the ZenFone 5Z, with a roughly 16 MP difference. As a result, the ROG Phone II ZS660KL is more suited than the ZenFone 5Z 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 over the ZenFone 5Z.

ScoreFront-camera resolution
ROG Phone II ZS660KL86/10024 MP
ZenFone 5Z58/1008 MP

Detailed comparison of ROG Phone II ZS660KL and ZenFone 5Z

Comparison for body size

ImageProduct nameReviewbody size

ROG Phone II ZS660KL

Score

45.6

ZenFone 5Z

Score

53.1

Comparison for body weight

ImageProduct nameReviewbody weight

ROG Phone II ZS660KL

Score

44.2

ZenFone 5Z

Score

64.4

Comparison for screen size

ImageProduct nameReviewscreen size

ROG Phone II ZS660KL

Score

91.0

ZenFone 5Z

Score

90.3

Comparison for screen resolution

ImageProduct nameReviewscreen resolution

ROG Phone II ZS660KL

Score

75.3

ZenFone 5Z

Score

74.0

Comparison for RAM capacity

ImageProduct nameReviewRAM capacity

ROG Phone II ZS660KL

Score

99.0

ZenFone 5Z

Score

90.0

Comparison for storage size

ImageProduct nameReviewstorage size

ROG Phone II ZS660KL

Score

99.0

ZenFone 5Z

Score

90.0

Comparison for battery

ImageProduct nameReviewbattery

ROG Phone II ZS660KL

Score

86.0

ZenFone 5Z

Score

69.5

Comparison for rear-camera resolution

ImageProduct nameReviewrear-camera resolution

ROG Phone II ZS660KL

Score

97.8

ZenFone 5Z

Score

59.3

Comparison for number of wide-angle camera pixels on the back

ImageProduct nameReviewnumber of wide-angle camera pixels on the back

ROG Phone II ZS660KL

Score

89.0

ZenFone 5Z

Score

44.5

Comparison for front-camera resolution

ImageProduct nameReviewfront-camera resolution

ROG Phone II ZS660KL

Score

86.6

ZenFone 5Z

Score

58.3

Comparison for grip

ImageProduct nameReviewgrip

ROG Phone II ZS660KL

Score

44.9Color:Matte Black/Glossy Black, Dimensions (width x height x thickness):3.1 inches (77.6 mm) x 6.7 inches (171 mm) x 0.4 inches (9.5 mm), Weight:240 oz (240 g)

ZenFone 5Z

Score

58.7Color:ー ー/ ー, Dimensions (width x height x thickness):3.0 inches (75.6 mm) x 6.0 inches (153 mm) x 0.3 inches (7.7 mm), Weight:165 oz (165 g)

Comparison for screen cleanliness

ImageProduct nameReviewscreen cleanliness

ROG Phone II ZS660KL

Score

82.9Display type:AMOLED, Screen resolution (width x height):1080 x 2340, Pixel density:391 ppi

ZenFone 5Z

Score

84.9Display type:Super IPS+, Screen resolution (width x height):1080 x 2246, Pixel density:401 ppi

Comparison for screen quality

ImageProduct nameReviewscreen quality

ROG Phone II ZS660KL

Score

87.2Display size:6.59 inch, Display type:AMOLED, Screen resolution (width x height):1080 x 2340, Pixel density:391 ppi

ZenFone 5Z

Score

84.7Display size:6.2 inch, Display type:Super IPS+, Screen resolution (width x height):1080 x 2246, Pixel density:401 ppi

Comparison for performance

ImageProduct nameReviewperformance

ROG Phone II ZS660KL

Score

98.9OS:Android

ZenFone 5Z

Score

91.8OS:Android

ROG Phone II ZS660KL and ZenFone 5Z, performance comparison by specification sheet

ROG Phone II ZS660KLZenFone 5Z
ImageROG Phone II ZS660KLZenFone 5Z
MakerAsusASUS
Release date9, 20196, 2018
ColorMatte Black/Glossy Blackー ー/ ー
OSAndroidAndroid
Dimensions (width x height x thickness)3.1 inches (77.6 mm) x 6.7 inches (171 mm) x 0.4 inches (9.5 mm)3.0 inches (75.6 mm) x 6.0 inches (153 mm) x 0.3 inches (7.7 mm)
Weight240 oz (240 g)165 oz (165 g)
Display size6.59 inch6.2 inch
Display typeAMOLEDSuper IPS+
Screen resolution (width x height)1080 x 23401080 x 2246
Pixel density391 ppi401 ppi
Battery capacity6000 mAh3300 mAh
ChipsetQualcomm SM8150 Snapdragon 855+Snapdragon 845 SDM845
CPU specs2.96GHz+2.42GHz+1.78GHz×8(OctaCore)2.8GHz×8(OctaCore)
RAM size12GB6GB
Storage size1024GB128GB
Rear-camera resolution48 MP12 MP
Front-camera resolution24 MP8 MP

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