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Which should you buy, the Oppo A31 (2015) 8GB or Panasonic Eluga Ray 550 32GB? We offer a thorough comparison of the differences in functions, specifications and performance between the two

Created date: 2018-09-30 22:54:35, Updated date: 2020-04-16 22:19:45

Oppo A31 (2015) 8GBPanasonic Eluga Ray 550 32GB
Oppo A31 (2015) 8GBPanasonic Eluga Ray 550 32GB

Are you having trouble comparing the differences in features and performance of the "Oppo A31 (2015) 8GB" and "Panasonic Eluga Ray 550 32GB", 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.

Oppo A31 (2015) 8GBPanasonic Eluga Ray 550 32GB
Oppo A31 (2015) 8GB

Panasonic Eluga Ray 550 32GB

General rating:

38.1/100

(The 2742th of all smartphones)

57.1/100

(The 1348th of all smartphones)

Portability
79/100
64/100
Weight
76/100
69/100
Size of screen
66/100
85/100
Screen clarity
35/100
57/100
Battery duration
50/100
68/100
Processing capability
14/100
50/100
Memory capacity
20/100
60/100
Storage capacity
24/100
55/100
Rear camera function
50/100
61/100
Front camera function
50/100
58/100

Compare Performance and Usability

Size comparison of "Oppo A31 (2015) 8GB" and "Panasonic Eluga Ray 550 32GB". 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 "Oppo A31 (2015) 8GB" is 65.5mm wide, 131.9mm tall, and 8.0mm thick. The "Panasonic Eluga Ray 550 32GB" is 73.3mm tall, 152.5mm wide, and 8.5mm thick.

The "Oppo A31 (2015) 8GB" is also more compact than the "Panasonic Eluga Ray 550 32GB" in terms of the thickness of the devices. The "Oppo A31 (2015) 8GB" is easier than the "Panasonic Eluga Ray 550 32GB" to hold with one hand, and you are less likely to accidentally drop it. If you're looking for a smartphone that fits nicely in your hand and can be gripped firmly, we recommend buying the "Oppo A31 (2015) 8GB" rather than the "Panasonic Eluga Ray 550 32GB".

Comparing the width and height of the devices, the "Oppo A31 (2015) 8GB" is more compact than the "Panasonic Eluga Ray 550 32GB". The "Oppo A31 (2015) 8GB" is easier to carry around than the "Panasonic Eluga Ray 550 32GB" and easier to use with one hand. For a smartphone that is comfortable and easy to operate with one hand, and can fit neatly in your pocket or bag, we recommend that you buy the "Oppo A31 (2015) 8GB" rather than the "Panasonic Eluga Ray 550 32GB".

Comparing the overall sizes, the "Oppo A31 (2015) 8GB" is significantly smaller than the "Panasonic Eluga Ray 550 32GB". The "Oppo A31 (2015) 8GB" is more convenient than the "Panasonic Eluga Ray 550 32GB" to use with one hand, and it is less likely to get in your way when not using it. If you prefer a smartphone that is easy to carry around and easy to use with one hand, we recommend that you buy the "Oppo A31 (2015) 8GB" rather than the "Panasonic Eluga Ray 550 32GB".

ScoreDimensions (width x height x thickness)
Oppo A31 (2015) 8GB79/10065.5mm x 131.9mm x 8.0mm
Panasonic Eluga Ray 550 32GB64/10073.3mm x 152.5mm x 8.5mm

Which one is easier to hold, "Oppo A31 (2015) 8GB" or "Panasonic Eluga Ray 550 32GB"? 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 "Oppo A31 (2015) 8GB" weighs 135.0g. The "Panasonic Eluga Ray 550 32GB" clocks in at 152.0g. Comparing the weight of the main unit, the "Oppo A31 (2015) 8GB" is a lighter phone than the "Panasonic Eluga Ray 550 32GB", with a difference of approximately 17g. Therefore, there is less strain on your fingers and wrists even when you use your phone for a long time on the "Oppo A31 (2015) 8GB" compared to the "Panasonic Eluga Ray 550 32GB". For this reason, the "Oppo A31 (2015) 8GB" is recommended.

ScoreWeight
Oppo A31 (2015) 8GB76/100135.0g
Panasonic Eluga Ray 550 32GB69/100152.0g

Which is better in terms of display, "Oppo A31 (2015) 8GB" or "Panasonic Eluga Ray 550 32GB"?

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 "Oppo A31 (2015) 8GB" is 4.5inch, and 5.7inch on the "Panasonic Eluga Ray 550 32GB". Comparing the sizes of the screens and displays, the "Panasonic Eluga Ray 550 32GB" is considerably larger than the "Oppo A31 (2015) 8GB", with a difference of about 1.2inch. Compared to the "Oppo A31 (2015) 8GB", the "Panasonic Eluga Ray 550 32GB" makes buttons in apps easier to press, and the visuals look more impressive in videos and games. The larger screen of the "Panasonic Eluga Ray 550 32GB" also has the advantage of being less tiring on the eyes. If you want to avoid tapping the wrong place, enjoy videos and games on a large screen, and not get tired eyes while using it, we recommend that you buy the "Panasonic Eluga Ray 550 32GB" rather than the "Oppo A31 (2015) 8GB".

ScoreDisplay size
Oppo A31 (2015) 8GB66/1004.5inch
Panasonic Eluga Ray 550 32GB85/1005.7inch

Which one has a better display, "Oppo A31 (2015) 8GB" or "Panasonic Eluga Ray 550 32GB"?

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 "Oppo A31 (2015) 8GB" has a 480 x 854 resolution and a pixel density of 217ppi. The "Panasonic Eluga Ray 550 32GB", on the other hand, has a screen resolution of 720 x 1440 and a pixel density of 282ppi. Comparing the screen definition, the "Panasonic Eluga Ray 550 32GB" has a much higher pixel density than the "Oppo A31 (2015) 8GB", with a difference of about 65ppi. The screen on the "Panasonic Eluga Ray 550 32GB" is clear and crisp, and puts less strain on the eyes than that of the "Oppo A31 (2015) 8GB". If you want to choose a smartphone that is gentle on your eyes with a display that shows text and images clearly, we recommend that you buy the "Panasonic Eluga Ray 550 32GB" rather than the "Oppo A31 (2015) 8GB".

ScorePixel density
Oppo A31 (2015) 8GB35/100217ppi
Panasonic Eluga Ray 550 32GB57/100282ppi

How is the battery duration of "Oppo A31 (2015) 8GB" different from that of "Panasonic Eluga Ray 550 32GB" ? 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 "Oppo A31 (2015) 8GB" has a battery capacity of 2000.0mAh, while the "Panasonic Eluga Ray 550 32GB" has a 3250.0mAh battery. With regards to battery performance, the "Panasonic Eluga Ray 550 32GB" has a substantially larger battery capacity than the "Oppo A31 (2015) 8GB", with a difference of 1250mAh. The "Panasonic Eluga Ray 550 32GB" can be used without charging for a longer time than the "Oppo A31 (2015) 8GB", so it can be used when out and about. If you want a smartphone with a longer-lasting battery, we recommend that you buy the "Panasonic Eluga Ray 550 32GB" rather than the "Oppo A31 (2015) 8GB".

ScoreBattery capacity
Oppo A31 (2015) 8GB50/1002000.0mAh
Panasonic Eluga Ray 550 32GB68/1003250.0mAh

Which is better in terms of CPU function, "Oppo A31 (2015) 8GB" or "Panasonic Eluga Ray 550 32GB"?

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 "Oppo A31 (2015) 8GB" is equipped with a Qualcomm MSM8916 Snapdragon 410 processor, and its performance speed is 1.2GHz×4(4.0-cores). The "Panasonic Eluga Ray 550 32GB" uses an Mediatek MT6737H CPU that performs at a speed of 1.3GHz×4(4.0-cores). Comparing CPU performance, the "Panasonic Eluga Ray 550 32GB" has significantly higher specs than the "Oppo A31 (2015) 8GB". The "Panasonic Eluga Ray 550 32GB" proves to be more advanced than the "Oppo A31 (2015) 8GB" in the way that apps run quickly and games play smoothly. If you're looking for a high-spec smartphone that runs quickly and plays games smoothly, we recommend that you buy the "Panasonic Eluga Ray 550 32GB" rather than the "Oppo A31 (2015) 8GB".

ScoreCPU specs
Oppo A31 (2015) 8GB14/1001.2GHz×4(4.0-cores)
Panasonic Eluga Ray 550 32GB50/1001.3GHz×4(4.0-cores)

How is "Oppo A31 (2015) 8GB" different from "Panasonic Eluga Ray 550 32GB" 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 "Oppo A31 (2015) 8GB" has 1.0GB of memory. The "Panasonic Eluga Ray 550 32GB", on the other hand, has 3.0GB. As for memory performance, the "Panasonic Eluga Ray 550 32GB" has a larger memory capacity than the "Oppo A31 (2015) 8GB", with a difference of about 2GB. The "Panasonic Eluga Ray 550 32GB" has better multitasking, less crashing, and runs 3D games and VR video better than the "Oppo A31 (2015) 8GB". If you're looking for a smartphone that will remain stable even when you are using multiple apps at the same time, and which will allow you to play 3D games and VR video comfortably, we recommend that you buy the "Panasonic Eluga Ray 550 32GB" rather than the "Oppo A31 (2015) 8GB".

ScoreRAM size
Oppo A31 (2015) 8GB20/1001.0GB
Panasonic Eluga Ray 550 32GB60/1003.0GB

Which has a better storage capacity, "Oppo A31 (2015) 8GB" or "Panasonic Eluga Ray 550 32GB"?

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 "Oppo A31 (2015) 8GB" has 8.0GB of storage, while the "Panasonic Eluga Ray 550 32GB" has 32.0GB. In terms of ROM and data storage, the "Panasonic Eluga Ray 550 32GB" has a much larger capacity than the "Oppo A31 (2015) 8GB", with a difference of about 24GB. The "Panasonic Eluga Ray 550 32GB" can save more photos and keep more apps installed than the "Oppo A31 (2015) 8GB". If you're searching for a smartphone that can store more data, we recommended that you buy the "Panasonic Eluga Ray 550 32GB" rather than the "Oppo A31 (2015) 8GB".

ScoreStorage size
Oppo A31 (2015) 8GB24/1008.0GB
Panasonic Eluga Ray 550 32GB55/10032.0GB

Compare the rear cameras of "Oppo A31 (2015) 8GB" and "Panasonic Eluga Ray 550 32GB". 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 "Oppo A31 (2015) 8GB" has 8.0MP. The "Panasonic Eluga Ray 550 32GB" has 13.0MP. The rear-facing camera of the "Panasonic Eluga Ray 550 32GB" also has a higher pixel count than the "Oppo A31 (2015) 8GB", with a difference of about 5MP. The "Panasonic Eluga Ray 550 32GB" is more capable than the "Oppo A31 (2015) 8GB" 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 "Panasonic Eluga Ray 550 32GB" rather than the "Oppo A31 (2015) 8GB".

ScoreRear-camera resolution
Oppo A31 (2015) 8GB50/1008.0MP
Panasonic Eluga Ray 550 32GB61/10013.0MP

Which has a front camera with better picture quality, "Oppo A31 (2015) 8GB" or "Panasonic Eluga Ray 550 32GB"?

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 "Oppo A31 (2015) 8GB" has a resolution of 5.0MP. The "Panasonic Eluga Ray 550 32GB"'s has 8.0MP. Comparing the front-facing camera performance, the number of pixels of the front-facing camera on the "Panasonic Eluga Ray 550 32GB" is higher than the "Oppo A31 (2015) 8GB", with a difference of approximately 3MP. For this reason, it is possible to take higher quality selfies and make clear prints with the "Panasonic Eluga Ray 550 32GB" than the "Oppo A31 (2015) 8GB". Therefore, the "Panasonic Eluga Ray 550 32GB" is recommended.

ScoreFront-camera resolution
Oppo A31 (2015) 8GB50/1005.0MP
Panasonic Eluga Ray 550 32GB58/1008.0MP

Compare Performance Specs

Oppo A31 (2015) 8GBPanasonic Eluga Ray 550 32GB
ImageOppo A31 (2015) 8GBPanasonic Eluga Ray 550 32GB
MakerOppoPanasonic
Release date2015-04-172018-04
ColorWhite/BlueBlack/Blue/Gold
OSAndroidAndroid
Dimensions (width x height x thickness)65.5mm x 131.9mm x 8.0mm73.3mm x 152.5mm x 8.5mm
Weight135.0g152.0g
Display size4.5inch5.7inch
Display typeIPS LCDIPS LCD
Screen resolution (width x height)480 x 854720 x 1440
Pixel density217ppi282ppi
Battery capacity2000.0mAh3250.0mAh
ChipsetQualcomm MSM8916 Snapdragon 410Mediatek MT6737H
CPU specs1.2GHz×4(4.0-cores)1.3GHz×4(4.0-cores)
RAM size1.0GB3.0GB
Storage size8.0GB32.0GB
Rear-camera resolution8.0MP13.0MP
Front-camera resolution5.0MP8.0MP

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