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Which is better, vivo Y55s (2017) 16GB or Oppo R15 Pro 128GB? We compared their features and specs in detail

Created date: 2018-09-30 21:15:52, Updated date: 2020-04-16 18:27:54

vivo Y55s (2017) 16GBOppo R15 Pro 128GB
vivo Y55s (2017) 16GBOppo R15 Pro 128GB

Are you having trouble comparing the differences in features and performance of the "vivo Y55s (2017) 16GB" and "Oppo R15 Pro 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 Y55s (2017) 16GBOppo R15 Pro 128GB
vivo Y55s (2017) 16GB

Oppo R15 Pro 128GB

General rating:

54.1/100

(The 1415th of all smartphones)

74.1/100

(The 1015th of all smartphones)

Holding comfort
67/100
62/100
Weight
73/100
58/100
Screen size
77/100
90/100
Display quality
57/100
84/100
Battery life
60/100
71/100
Processing power
51/100
90/100
Memory capacity
60/100
90/100
Storage capacity
50/100
90/100
Rear camera performance
61/100
78/100
Front camera performance
50/100
81/100

"vivo Y55s (2017) 16GB" and "Oppo R15 Pro 128GB", performance comparison

"vivo Y55s (2017) 16GB" and "Oppo R15 Pro 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 Y55s (2017) 16GB" has a width of 72.9mm, a length of 147.9mm, and a thickness of 7.5mm. Also, the "Oppo R15 Pro 128GB" has a width of 75.2mm, a length of 156.5mm, and a thickness of 8.0mm.

Comparing the width and thickness of the body, the "vivo Y55s (2017) 16GB" is smaller and more compact compared to the "Oppo R15 Pro 128GB". For that reason, the "vivo Y55s (2017) 16GB" is easier to grip firmly and carry one-handed than the "Oppo R15 Pro 128GB". For that reason, we recommend the "vivo Y55s (2017) 16GB".

Comparing the width and thickness of the body, there isn't a large difference in size between the "vivo Y55s (2017) 16GB" and the "Oppo R15 Pro 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 Y55s (2017) 16GB" and the "Oppo R15 Pro 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 Y55s (2017) 16GB67/10072.9mm x 147.9mm x 7.5mm
Oppo R15 Pro 128GB62/10075.2mm x 156.5mm x 8.0mm

"vivo Y55s (2017) 16GB" and "Oppo R15 Pro 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 Y55s (2017) 16GB" is about 142.0g, and the weight of the "Oppo R15 Pro 128GB" is about 180.0g. Comparing the weight of the two devices, the "vivo Y55s (2017) 16GB" is a considerably lighter smart phone than the "Oppo R15 Pro 128GB", and there is a difference of about 38g. In terms of the burden placed upon your fingers and wrist, the "vivo Y55s (2017) 16GB" is superior to the "Oppo R15 Pro 128GB". 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 "vivo Y55s (2017) 16GB" over the "Oppo R15 Pro 128GB".

ScoreWeight
vivo Y55s (2017) 16GB73/100142.0g
Oppo R15 Pro 128GB58/100180.0g

"vivo Y55s (2017) 16GB" and "Oppo R15 Pro 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 Y55s (2017) 16GB" has a 5.2inch display. Also, the "Oppo R15 Pro 128GB" has a 6.28inch display. Comparing the screen size, the "Oppo R15 Pro 128GB" has a considerably larger screen than the "vivo Y55s (2017) 16GB", with a difference of approximately 1.08inch. The "Oppo R15 Pro 128GB" is superior to the "vivo Y55s (2017) 16GB" in terms of its larger buttons and the intensity of the user's experience when playing games and watching videos. In addition, the larger screen on the "Oppo R15 Pro 128GB" has the benefit of being easier on the user's eyes. If you are looking for a smartphone that you are less likely to mistap, offers a more intense viewing and gaming experience, and decreases eyestrain, then we recommend the "Oppo R15 Pro 128GB" over the "vivo Y55s (2017) 16GB".

ScoreDisplay size
vivo Y55s (2017) 16GB77/1005.2inch
Oppo R15 Pro 128GB90/1006.28inch

"vivo Y55s (2017) 16GB" and "Oppo R15 Pro 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 Y55s (2017) 16GB" is 720 x 1280, and pixel density is 282ppi. Also, the resolution on the "Oppo R15 Pro 128GB" is 1080 x 2280, and pixel density is 401ppi. Comparing the pixel count, the "Oppo R15 Pro 128GB" has much higher pixel density than the "vivo Y55s (2017) 16GB", with a difference of roughly 119ppi. In terms of having better picture quality and exerting less strain on the eyes, the "Oppo R15 Pro 128GB" is superior to the "vivo Y55s (2017) 16GB". If you are looking for a smartphone that is easy on the eyes, displaying texts and pictures clearly without any blurring, we recommend the "Oppo R15 Pro 128GB" over the "vivo Y55s (2017) 16GB".

ScorePixel density
vivo Y55s (2017) 16GB57/100282ppi
Oppo R15 Pro 128GB84/100401ppi

"vivo Y55s (2017) 16GB" and "Oppo R15 Pro 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 "vivo Y55s (2017) 16GB" is 2730.0mAh, and the "Oppo R15 Pro 128GB" is 3430.0mAh. Regarding battery capacity, the "Oppo R15 Pro 128GB" has greater battery capacity than the "vivo Y55s (2017) 16GB", with a 700mAh difference. Since the "Oppo R15 Pro 128GB" can be used for longer periods without recharging than the "vivo Y55s (2017) 16GB", it is great for outdoor use. If you want a smartphone with a longer battery life, we recommend the "Oppo R15 Pro 128GB" over the "vivo Y55s (2017) 16GB".

ScoreBattery capacity
vivo Y55s (2017) 16GB60/1002730.0mAh
Oppo R15 Pro 128GB71/1003430.0mAh

"vivo Y55s (2017) 16GB" and "Oppo R15 Pro 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 Y55s (2017) 16GB"'s CPU is a Qualcomm MSM8917 Snapdragon 425, with performance measured at 1.4GHz×4(4.0-cores). Also, the "Oppo R15 Pro 128GB"'s CPU is a Qualcomm SDM660 Snapdragon 660, with performance measured at 2.2GHz+1.8GHz×8(8.0-cores). Comparing CPU performance, the "Oppo R15 Pro 128GB" has considerably higher specs than the "vivo Y55s (2017) 16GB". In terms of being able to comfortably play games and run apps smoothly, the "Oppo R15 Pro 128GB" is superior to the "vivo Y55s (2017) 16GB". If you're going for a high spec smart phone that runs smoothly and comfortably handles games, we recommend purchasing the "Oppo R15 Pro 128GB" over the "vivo Y55s (2017) 16GB".

ScoreCPU specs
vivo Y55s (2017) 16GB51/1001.4GHz×4(4.0-cores)
Oppo R15 Pro 128GB90/1002.2GHz+1.8GHz×8(8.0-cores)

"vivo Y55s (2017) 16GB" and "Oppo R15 Pro 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 Y55s (2017) 16GB" is 3.0GB and the weight of the "Oppo R15 Pro 128GB" is 6.0GB. Comparing the devices in terms of RAM, the "Oppo R15 Pro 128GB" has a significantly larger amount of RAM than the "vivo Y55s (2017) 16GB", with a difference of about 3GB. In terms of the unlikeliness of crashing and the ease of multitasking, 3D games and VR, the "Oppo R15 Pro 128GB" is superior to the "vivo Y55s (2017) 16GB". If you're looking for a smart phone that can run multiple apps simultaneously with stability and also allows you to comfortably enjoy 3D games and VR, then we recommend purchasing the "Oppo R15 Pro 128GB" over the "vivo Y55s (2017) 16GB".

ScoreRAM size
vivo Y55s (2017) 16GB60/1003.0GB
Oppo R15 Pro 128GB90/1006.0GB

"vivo Y55s (2017) 16GB" and "Oppo R15 Pro 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 Y55s (2017) 16GB" is 16.0GB. Also the "Oppo R15 Pro 128GB" is 128.0GB. Regarding storage capacity, the "Oppo R15 Pro 128GB" has a much larger data storage capacity compared to the "vivo Y55s (2017) 16GB", with a roughly 112GB difference. In terms of the number of pictures you can save and the applications that you can install, the "Oppo R15 Pro 128GB" is superior to the "vivo Y55s (2017) 16GB". If you are looking for a smartphone that can save more data, we recommend the "Oppo R15 Pro 128GB" over the "vivo Y55s (2017) 16GB".

ScoreStorage size
vivo Y55s (2017) 16GB50/10016.0GB
Oppo R15 Pro 128GB90/100128.0GB

"vivo Y55s (2017) 16GB" and "Oppo R15 Pro 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 Y55s (2017) 16GB" has a 13.0MP main camera. Also, "Oppo R15 Pro 128GB" has a 20.0MP main camera. Comparing rear camera performance, the "Oppo R15 Pro 128GB" has a much higher pixel count compared to the "vivo Y55s (2017) 16GB", with a roughly 7MP difference. In terms of taking or shooting high resolution pictures or videos that will look clean when printed, the "Oppo R15 Pro 128GB" is superior to the "vivo Y55s (2017) 16GB". If you are looking for a smartphone that is suited for shooting videos and taking pictures, we recommend the "Oppo R15 Pro 128GB" over the "vivo Y55s (2017) 16GB".

ScoreRear-camera resolution
vivo Y55s (2017) 16GB61/10013.0MP
Oppo R15 Pro 128GB78/10020.0MP

"vivo Y55s (2017) 16GB" and "Oppo R15 Pro 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 Y55s (2017) 16GB" has an 5.0MP front camera and "Oppo R15 Pro 128GB" has an 20.0MP front camera. Comparing rear camera performance, the front camera of the "Oppo R15 Pro 128GB" has a much higher pixel count compared to the "vivo Y55s (2017) 16GB", with a roughly 15MP difference. As a result, the "Oppo R15 Pro 128GB" is more suited than the "vivo Y55s (2017) 16GB" 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 "Oppo R15 Pro 128GB" over the "vivo Y55s (2017) 16GB".

ScoreFront-camera resolution
vivo Y55s (2017) 16GB50/1005.0MP
Oppo R15 Pro 128GB81/10020.0MP

"vivo Y55s (2017) 16GB" and "Oppo R15 Pro 128GB", performance comparison by specification sheet

vivo Y55s (2017) 16GBOppo R15 Pro 128GB
Imagevivo Y55s (2017) 16GBOppo R15 Pro 128GB
MakervivoOppo
Release date2017-022018-04
ColorCrown Gold/Rose Gold/Space GrayCeramic Black/Dream Mirror Red
OSAndroidAndroid
Dimensions (width x height x thickness)72.9mm x 147.9mm x 7.5mm75.2mm x 156.5mm x 8.0mm
Weight142.0g180.0g
Display size5.2inch6.28inch
Display typeIPS LCDAMOLED
Screen resolution (width x height)720 x 12801080 x 2280
Pixel density282ppi401ppi
Battery capacity2730.0mAh3430.0mAh
ChipsetQualcomm MSM8917 Snapdragon 425Qualcomm SDM660 Snapdragon 660
CPU specs1.4GHz×4(4.0-cores)2.2GHz+1.8GHz×8(8.0-cores)
RAM size3.0GB6.0GB
Storage size16.0GB128.0GB
Rear-camera resolution13.0MP20.0MP
Front-camera resolution5.0MP20.0MP

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