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Which is better, vivo S1 (China) 128GB or Oppo R15 Pro 128GB? We compared their features and specs in detail

Created date: 2019-07-11 06:39:31, Updated date: 2020-04-16 23:02:34

vivo S1 (China) 128GBOppo R15 Pro 128GB
vivo S1 (China) 128GBOppo R15 Pro 128GB

Here's our thorough comparison of the difference in performance and function between the "vivo S1 (China) 128GB" and "Oppo R15 Pro 128GB". Which one should you buy? We'll compare and explain what differs between the "vivo S1 (China) 128GB" and "Oppo R15 Pro 128GB" in a way that even people who aren't used to choosing between two similar products can understand.

vivo S1 (China) 128GBOppo R15 Pro 128GB
vivo S1 (China) 128GB

Oppo R15 Pro 128GB

General rating:

70.9/100

(The 4618th of all smartphones)

74.1/100

(The 1015th of all smartphones)

Portability
59/100
62/100
Weight
54/100
58/100
Size of screen
90/100
90/100
Screen clarity
83/100
84/100
Battery duration
79/100
71/100
Processing capability
90/100
90/100
Memory capacity
90/100
90/100
Storage capacity
90/100
90/100
Rear camera function
59/100
78/100
Front camera function
88/100
81/100

Compare Performance and Usability

Size comparison of "vivo S1 (China) 128GB" and "Oppo R15 Pro 128GB". Which one would you choose?

Your device's size has a huge influence on how easy it is to hold or to operate with one hand. The smaller your device's width, the easier it will be to hold, but you'll also need to take device thickness into account. And when the length and width are both smaller, you'll find that it's much easier for you to operate it one-handed, since your fingers will find it much easier to reach where you want them to. On the other hand, longer lengths and wider widths might lead to devices that are hard to carry in your pocket, bulky even when you keep them in your bag, and all around less portable.

The "vivo S1 (China) 128GB" is 76.0mm wide, 162.0mm tall, and 8.5mm thick. The "Oppo R15 Pro 128GB" is 75.2mm tall, 156.5mm wide, and 8.0mm thick.

There is no real difference between the "vivo S1 (China) 128GB" and "Oppo R15 Pro 128GB" when comparing their width, thickness, and slimness; they are both around the same in terms of one-handed ease of use and carry. Because of this, it is better to compare them based on other aspects of performance and function.

There is no real difference in length or width between the "vivo S1 (China) 128GB" and "Oppo R15 Pro 128GB", so they are both about the same in terms of usability, ease of carry, and bulkiness. Because of this, it is better to compare them based on other aspects of performance and function.

When comparing their sizes as a whole, there is no real difference between the "vivo S1 (China) 128GB"and "Oppo R15 Pro 128GB". Thus they are roughly the same in terms of ease of carry and one-handed use. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreDimensions (width x height x thickness)
vivo S1 (China) 128GB59/10076.0mm x 162.0mm x 8.5mm
Oppo R15 Pro 128GB62/10075.2mm x 156.5mm x 8.0mm

Which one is easier to hold, "vivo S1 (China) 128GB" or "Oppo R15 Pro 128GB"? Compare weight

The device weight will effect how quickly you tire from holding it, and how much stress is put on your wrist. The lighter it is, the longer you can hold it without feeling tired. Also, less stress on your wrist will make using it easier and more pleasant. Unless the weight is right for you, it might put too much strain on your body and make using it more stressful.

The "vivo S1 (China) 128GB" weighs 189.5g. The "Oppo R15 Pro 128GB" clocks in at 180.0g. The "vivo S1 (China) 128GB" and "Oppo R15 Pro 128GB" have around the same weight, so prolonged use will tire out fingers nd wrists to around the same degree. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreWeight
vivo S1 (China) 128GB54/100189.5g
Oppo R15 Pro 128GB58/100180.0g

Which is better in terms of display, "vivo S1 (China) 128GB" or "Oppo R15 Pro 128GB"?

Screen size influences how well you can control your device, as well as how clear the display is. With a large screen, the text and buttons in apps will display large enough so you'll be less likely to accidentally tap the button next to the one you were aiming for. Plus, you'll be able to enjoy more high-impact visuals for games and movies.

The screen size on the "vivo S1 (China) 128GB" is 6.53inch, and 6.28inch on the "Oppo R15 Pro 128GB". The screens of the "vivo S1 (China) 128GB" and "Oppo R15 Pro 128GB" are roughly the same size, and so the ease of pressing app buttons are the same on both devices. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreDisplay size
vivo S1 (China) 128GB90/1006.53inch
Oppo R15 Pro 128GB90/1006.28inch

Which one has a better display, "vivo S1 (China) 128GB" or "Oppo R15 Pro 128GB"?

Pixel density influences how nice your device's screen looks, with high pixel densities making screens look more beautiful, and letting you get more out of your games and movies. Plus, the nicer you screen looks, the less strain you'll be putting on your eyes, so you'll tend to be able to use your device for longer before your eyes get tired.

The screen on the "vivo S1 (China) 128GB" has a 1080 x 2340 resolution and a pixel density of 394ppi. The "Oppo R15 Pro 128GB", on the other hand, has a screen resolution of 1080 x 2280 and a pixel density of 401ppi. There is not much of a difference in the pixel resolutions of the "vivo S1 (China) 128GB" and "Oppo R15 Pro 128GB", so they are about the same in terms of clarity of image and gentleness on the eyes. For this reason it is better to compare them based on other aspects of performance and function.

ScorePixel density
vivo S1 (China) 128GB83/100394ppi
Oppo R15 Pro 128GB84/100401ppi

How is the battery duration of "vivo S1 (China) 128GB" different from that of "Oppo R15 Pro 128GB" ? See the differences

Battery performance has a big effect on the battery life of your device. However, a high battery capacity doesn't necessarily mean a long battery life. Rather, the rate of power consumption needs to be taken into consideration as well. The larger the screen and the higher the CPU performance, the higher the rate of power consumption on your battery.

The "vivo S1 (China) 128GB" has a battery capacity of 3940.0mAh, while the "Oppo R15 Pro 128GB" has a 3430.0mAh battery. Regarding the battery performance, the "vivo S1 (China) 128GB" has a larger battery capacity than the "Oppo R15 Pro 128GB", with a difference of 510mAh. If you are choosing based on the battery, the "vivo S1 (China) 128GB" is recommended over the "Oppo R15 Pro 128GB".

ScoreBattery capacity
vivo S1 (China) 128GB79/1003940.0mAh
Oppo R15 Pro 128GB71/1003430.0mAh

Which is better in terms of CPU function, "vivo S1 (China) 128GB" or "Oppo R15 Pro 128GB"?

Your CPU's speed will influence the processing power of the applications you run, and together with the number of cores in the CPU, as well as its clock frequency, will determine the processing power available for apps. The higher these performance factors, the smoother your games and apps will run. Conversely, if these factors are too low, your apps and games will be sluggish and struggle to run.

The "vivo S1 (China) 128GB" is equipped with a Mediatek MT6771 Helio P70 processor, and its performance speed is 2.1GHz+2.0GHz×8(8.0-cores). The "Oppo R15 Pro 128GB" uses an Qualcomm SDM660 Snapdragon 660 CPU that performs at a speed of 2.2GHz+1.8GHz×8(8.0-cores). There is also no real discrepancy between the CPU performances of the "vivo S1 (China) 128GB" and "Oppo R15 Pro 128GB". Because of this, both phones will feel practically identical in terms of smoothness when running apps and ease of game play. This is why it is better to compare them based on other aspects of performance and function.

ScoreCPU specs
vivo S1 (China) 128GB90/1002.1GHz+2.0GHz×8(8.0-cores)
Oppo R15 Pro 128GB90/1002.2GHz+1.8GHz×8(8.0-cores)

How is "vivo S1 (China) 128GB" different from "Oppo R15 Pro 128GB" in terms of memory capacity?

Your device's multimedia performance and app stability are both influenced by the amount of memory it has available. The more memory, the more apps you can use simultaneously, while keeping everything stable and smooth. Plus, there'll be less chance of animations lagging or apps crashing. You also need to keep in mind that some games won't run at all if there's not enough memory available.

The "vivo S1 (China) 128GB" has 6.0GB of memory. The "Oppo R15 Pro 128GB", on the other hand, has 6.0GB. Memory performance is roughly the same for both the "vivo S1 (China) 128GB" and "Oppo R15 Pro 128GB"; as a result, multitasking, playing 3D games, and using VR feels the same on both devices. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreRAM size
vivo S1 (China) 128GB90/1006.0GB
Oppo R15 Pro 128GB90/1006.0GB

Which has a better storage capacity, "vivo S1 (China) 128GB" or "Oppo R15 Pro 128GB"?

Storage capacity determines the amount of data you'll be able to save on your device. The more storage you have, the more photos you can take and the more apps you can install. Plus, if your smartphone is compatible with SD cards, then you can increase the amount of available storage. However, SD cards have a slower writespeed, making them less desirable in terms of performance, and users should be aware that it won't be possible to transfer all kinds of data to the card.

The "vivo S1 (China) 128GB" has 128.0GB of storage, while the "Oppo R15 Pro 128GB" has 128.0GB. There is no real difference between the "vivo S1 (China) 128GB"and "Oppo R15 Pro 128GB" 's ROMs and storage capacities, so both can store roughly the same amount of photographs and apps. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreStorage size
vivo S1 (China) 128GB90/100128.0GB
Oppo R15 Pro 128GB90/100128.0GB

Compare the rear cameras of "vivo S1 (China) 128GB" and "Oppo R15 Pro 128GB". Which one has better picture quality?

One factor in how well your rear camera (the camera on the back of your device) performs is its megapixel count. With a higher megapixel count, you'll be able to take photos with sharper detail, photos that stay clear and sharp even when printed.

The main camera on the "vivo S1 (China) 128GB" has 12.0MP. The "Oppo R15 Pro 128GB" has 20.0MP. The rear-facing camera of the "Oppo R15 Pro 128GB" also has a higher pixel count than the "vivo S1 (China) 128GB", with a difference of about 8MP. The "Oppo R15 Pro 128GB" is more capable than the "vivo S1 (China) 128GB" of taking high-definition photos and videos, and produces better results when printing out the photos you have taken. If you want a smartphone that is designed for video and photography, we recommend buying the "Oppo R15 Pro 128GB" rather than the "vivo S1 (China) 128GB".

ScoreRear-camera resolution
vivo S1 (China) 128GB59/10012.0MP
Oppo R15 Pro 128GB78/10020.0MP

Which has a front camera with better picture quality, "vivo S1 (China) 128GB" or "Oppo R15 Pro 128GB"?

One indication of how well your forward facing camera (the camera on the same side as your device's screen) performs is how many megapixels it has. More megapixels means you'll be able to take photos with sharper detail, that still look amazing printed out.

The forward-facing camera on the "vivo S1 (China) 128GB" has a resolution of 25.0MP. The "Oppo R15 Pro 128GB"'s has 20.0MP. Comparing the front-facing camera performance, the number of pixels of the front-facing camera on the "vivo S1 (China) 128GB" is higher than the "Oppo R15 Pro 128GB", with a difference of approximately 5MP. For this reason, it is possible to take higher quality selfies and make clear prints with the "vivo S1 (China) 128GB" than the "Oppo R15 Pro 128GB". Therefore, the "vivo S1 (China) 128GB" is recommended.

ScoreFront-camera resolution
vivo S1 (China) 128GB88/10025.0MP
Oppo R15 Pro 128GB81/10020.0MP

Compare Performance Specs

vivo S1 (China) 128GBOppo R15 Pro 128GB
Imagevivo S1 (China) 128GBOppo R15 Pro 128GB
MakervivoOppo
Release date2019-042018-04
ColorBlue/Pink/Ice blackCeramic Black/Dream Mirror Red
OSAndroidAndroid
Dimensions (width x height x thickness)76.0mm x 162.0mm x 8.5mm75.2mm x 156.5mm x 8.0mm
Weight189.5g180.0g
Display size6.53inch6.28inch
Display typeIPS LCDAMOLED
Screen resolution (width x height)1080 x 23401080 x 2280
Pixel density394ppi401ppi
Battery capacity3940.0mAh3430.0mAh
ChipsetMediatek MT6771 Helio P70Qualcomm SDM660 Snapdragon 660
CPU specs2.1GHz+2.0GHz×8(8.0-cores)2.2GHz+1.8GHz×8(8.0-cores)
RAM size6.0GB6.0GB
Storage size128.0GB128.0GB
Rear-camera resolution12.0MP20.0MP
Front-camera resolution25.0MP20.0MP

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