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Which is better, Xiaomi Black Shark Helo 256GB or Oppo R15 (2018) 128GB? We compared their features and specs in detail

Created date: 2018-11-18 11:24:33, Updated date: 2021-10-20 17:15:43

Xiaomi Black Shark Helo 256GBOppo R15 (2018) 128GB
Xiaomi Black Shark Helo 256GBOppo R15 (2018) 128GB

Here's our thorough comparison of the difference in performance and function between the "Xiaomi Black Shark Helo 256GB" and "Oppo R15 (2018) 128GB". Which one should you buy? We'll compare and explain what differs between the "Xiaomi Black Shark Helo 256GB" and "Oppo R15 (2018) 128GB" in a way that even people who aren't used to choosing between two similar products can understand.

Xiaomi Black Shark Helo 256GBOppo R15 (2018) 128GB
Xiaomi Black Shark Helo 256GB

Oppo R15 (2018) 128GB

General rating:
Portabilityrating-image3.0
60/100
rating-image3.2
63/100
Weightrating-image2.7
54/100
rating-image3.0
60/100
Size of screenrating-image4.5
90/100
rating-image4.5
90/100
Screen clarityrating-image4.2
84/100
rating-image4.2
84/100
Battery durationrating-image4.0
80/100
rating-image3.6
71/100
Processing capabilityrating-image4.8
96/100
rating-image4.6
92/100
Memory capacityrating-image4.9
97/100
rating-image4.7
93/100
Storage capacityrating-image4.6
91/100
rating-image4.5
90/100
Rear camera functionrating-image3.9
78/100
rating-image3.4
68/100
Front camera functionrating-image4.1
81/100
rating-image4.1
81/100

Compare Performance and Usability

Size comparison of "Xiaomi Black Shark Helo 256GB" and "Oppo R15 (2018) 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 "Xiaomi Black Shark Helo 256GB" is 75.2mm wide, 160.0mm tall, and 8.7mm thick. The "Oppo R15 (2018) 128GB" is 75.2mm tall, 155.1mm wide, and 7.4mm thick.

There is no real difference between the "Xiaomi Black Shark Helo 256GB" and "Oppo R15 (2018) 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 "Xiaomi Black Shark Helo 256GB" and "Oppo R15 (2018) 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 "Xiaomi Black Shark Helo 256GB"and "Oppo R15 (2018) 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)
Xiaomi Black Shark Helo 256GB60/10075.2mm x 160.0mm x 8.7mm
Oppo R15 (2018) 128GB63/10075.2mm x 155.1mm x 7.4mm

Which one is easier to hold, "Xiaomi Black Shark Helo 256GB" or "Oppo R15 (2018) 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 "Xiaomi Black Shark Helo 256GB" weighs 190.0g. The "Oppo R15 (2018) 128GB" clocks in at 175.0g. Comparing the weight of the main unit, the "Oppo R15 (2018) 128GB" is a lighter phone than the "Xiaomi Black Shark Helo 256GB", with a difference of approximately 15g. Therefore, there is less strain on your fingers and wrists even when you use your phone for a long time on the "Oppo R15 (2018) 128GB" compared to the "Xiaomi Black Shark Helo 256GB". For this reason, the "Oppo R15 (2018) 128GB" is recommended.

ScoreWeight
Xiaomi Black Shark Helo 256GB54/100190.0g
Oppo R15 (2018) 128GB60/100175.0g

Which is better in terms of display, "Xiaomi Black Shark Helo 256GB" or "Oppo R15 (2018) 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 "Xiaomi Black Shark Helo 256GB" is 6.01inch, and 6.28inch on the "Oppo R15 (2018) 128GB". The screens of the "Xiaomi Black Shark Helo 256GB" and "Oppo R15 (2018) 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
Xiaomi Black Shark Helo 256GB90/1006.01inch
Oppo R15 (2018) 128GB90/1006.28inch

Which one has a better display, "Xiaomi Black Shark Helo 256GB" or "Oppo R15 (2018) 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 "Xiaomi Black Shark Helo 256GB" has a 1080 x 2160 resolution and a pixel density of 401ppi. The "Oppo R15 (2018) 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 "Xiaomi Black Shark Helo 256GB" and "Oppo R15 (2018) 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
Xiaomi Black Shark Helo 256GB84/100401ppi
Oppo R15 (2018) 128GB84/100401ppi

How is the battery duration of "Xiaomi Black Shark Helo 256GB" different from that of "Oppo R15 (2018) 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 "Xiaomi Black Shark Helo 256GB" has a battery capacity of 4000.0mAh, while the "Oppo R15 (2018) 128GB" has a 3450.0mAh battery. Regarding the battery performance, the "Xiaomi Black Shark Helo 256GB" has a larger battery capacity than the "Oppo R15 (2018) 128GB", with a difference of 550mAh. If you are choosing based on the battery, the "Xiaomi Black Shark Helo 256GB" is recommended over the "Oppo R15 (2018) 128GB".

ScoreBattery capacity
Xiaomi Black Shark Helo 256GB80/1004000.0mAh
Oppo R15 (2018) 128GB71/1003450.0mAh

Which is better in terms of CPU function, "Xiaomi Black Shark Helo 256GB" or "Oppo R15 (2018) 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 "Xiaomi Black Shark Helo 256GB" is equipped with a Qualcomm SDM845 Snapdragon 845 processor, and its performance speed is 2.8GHz+1.8GHz×8(8.0-cores). The "Oppo R15 (2018) 128GB" uses an Mediatek MT6771 Helio P60 CPU that performs at a speed of 2.0GHz+2.0GHz×8(8.0-cores). There is also no real discrepancy between the CPU performances of the "Xiaomi Black Shark Helo 256GB" and "Oppo R15 (2018) 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
Xiaomi Black Shark Helo 256GB96/1002.8GHz+1.8GHz×8(8.0-cores)
Oppo R15 (2018) 128GB92/1002.0GHz+2.0GHz×8(8.0-cores)

How is "Xiaomi Black Shark Helo 256GB" different from "Oppo R15 (2018) 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 "Xiaomi Black Shark Helo 256GB" has 10.0GB of memory. The "Oppo R15 (2018) 128GB", on the other hand, has 8.0GB. Memory performance is roughly the same for both the "Xiaomi Black Shark Helo 256GB" and "Oppo R15 (2018) 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
Xiaomi Black Shark Helo 256GB97/10010.0GB
Oppo R15 (2018) 128GB93/1008.0GB

Which has a better storage capacity, "Xiaomi Black Shark Helo 256GB" or "Oppo R15 (2018) 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 "Xiaomi Black Shark Helo 256GB" has 256.0GB of storage, while the "Oppo R15 (2018) 128GB" has 128.0GB. There is no real difference between the "Xiaomi Black Shark Helo 256GB"and "Oppo R15 (2018) 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
Xiaomi Black Shark Helo 256GB91/100256.0GB
Oppo R15 (2018) 128GB90/100128.0GB

Compare the rear cameras of "Xiaomi Black Shark Helo 256GB" and "Oppo R15 (2018) 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 "Xiaomi Black Shark Helo 256GB" has 20.0MP. The "Oppo R15 (2018) 128GB" has 16.0MP. Comparing the rear camera performance, the number of pixels of the "Xiaomi Black Shark Helo 256GB" is higher than the "Oppo R15 (2018) 128GB", with a difference of approximately 4MP. As a result, the "Xiaomi Black Shark Helo 256GB" can take higher quality scenery photos and make clear prints compared to the "Oppo R15 (2018) 128GB". Therefore, the "Xiaomi Black Shark Helo 256GB" is recommended.

ScoreRear-camera resolution
Xiaomi Black Shark Helo 256GB78/10020.0MP
Oppo R15 (2018) 128GB68/10016.0MP

Which has a front camera with better picture quality, "Xiaomi Black Shark Helo 256GB" or "Oppo R15 (2018) 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 "Xiaomi Black Shark Helo 256GB" has a resolution of 20.0MP. The "Oppo R15 (2018) 128GB"'s has 20.0MP. There is little difference between the camera capabilities and the pixel density of the "Xiaomi Black Shark Helo 256GB" and "Oppo R15 (2018) 128GB"'s front facing cameras, so the quality of photographs and video footage is virtually the same. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreFront-camera resolution
Xiaomi Black Shark Helo 256GB81/10020.0MP
Oppo R15 (2018) 128GB81/10020.0MP

Compare Performance Specs

Xiaomi Black Shark Helo 256GBOppo R15 (2018) 128GB
ImageXiaomi Black Shark Helo 256GBOppo R15 (2018) 128GB
MakerXiaomiOppo
Release date2018-112018-04
ColorBlackHot Red/Snow White/Star Purple/Fantasy Pink
OSAndroidAndroid
Dimensions (width x height x thickness)75.2mm x 160.0mm x 8.7mm75.2mm x 155.1mm x 7.4mm
Weight190.0g175.0g
Display size6.01inch6.28inch
Display typeAMOLEDAMOLED
Screen resolution (width x height)1080 x 21601080 x 2280
Pixel density401ppi401ppi
Battery capacity4000.0mAh3450.0mAh
ChipsetQualcomm SDM845 Snapdragon 845Mediatek MT6771 Helio P60
CPU specs2.8GHz+1.8GHz×8(8.0-cores)2.0GHz+2.0GHz×8(8.0-cores)
RAM size10.0GB8.0GB
Storage size256.0GB128.0GB
Rear-camera resolution20.0MP16.0MP
Front-camera resolution20.0MP20.0MP

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