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Samsung Galaxy M40 128GB vs. Oppo R15 Pro 128GB Specs & Scores

Created date: 2019-06-12 06:18:41, Updated date: 2020-04-16 20:29:49

Samsung Galaxy M40 128GBOppo R15 Pro 128GB
Samsung Galaxy M40 128GBOppo R15 Pro 128GB

How did the evaluations between the "Samsung Galaxy M40 128GB" and "Oppo R15 Pro 128GB" differ when we compared the two? We reviewed each of the most commonly scrutinized features. If you are thinking about which smartphone to get, check out this review immediately!

Samsung Galaxy M40 128GBOppo R15 Pro 128GB
Samsung Galaxy M40 128GB

Oppo R15 Pro 128GB

General rating:
Holding comfortrating-image3.2
73.9mm x 155.3mm x 7.9mm
rating-image3.1
75.2mm x 156.5mm x 8.0mm
Weightrating-image3.2
168.0g
rating-image2.9
180.0g
Screen sizerating-image4.5
6.3inch
rating-image4.5
6.28inch
Display qualityrating-image4.3
409ppi
rating-image4.2
401ppi
Battery liferating-image3.6
3500.0mAh
rating-image3.6
3430.0mAh
Processing powerrating-image4.5
2.0GHz+1.7GHz×8(8.0-cores)
rating-image4.5
2.2GHz+1.8GHz×8(8.0-cores)
Memory capacityrating-image4.5
6.0GB
rating-image4.5
6.0GB
Storage capacityrating-image4.5
128.0GB
rating-image4.5
128.0GB
Rear camera performancerating-image4.6
32.0MP
rating-image3.9
20.0MP
Front camera performancerating-image3.8
16.0MP
rating-image4.1
20.0MP

"Samsung Galaxy M40 128GB" and "Oppo R15 Pro 128GB", performance comparison

"Samsung Galaxy M40 128GB" 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 "Samsung Galaxy M40 128GB" has a width of 73.9mm, a length of 155.3mm, and a thickness of 7.9mm. 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, there isn't much difference between the "Samsung Galaxy M40 128GB" and "Oppo R15 Pro 128GB" in terms of size. For that reason, the ease of gripping and carrying the devices in one hand is about the same for both. Therefore it's better to compare them in terms of performance and functionality.

Comparing the width and thickness of the body, there isn't a large difference in size between the "Samsung Galaxy M40 128GB" 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 "Samsung Galaxy M40 128GB" 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)
Samsung Galaxy M40 128GB64/10073.9mm x 155.3mm x 7.9mm
Oppo R15 Pro 128GB62/10075.2mm x 156.5mm x 8.0mm

"Samsung Galaxy M40 128GB" 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 "Samsung Galaxy M40 128GB" is about 168.0g, and the weight of the "Oppo R15 Pro 128GB" is about 180.0g. Comparing the weight of the two devices, there isn't much difference in weight between the "Samsung Galaxy M40 128GB" and "Oppo R15 Pro 128GB". That's why the likelihood of fatigue in the fingers and wrists after extended use 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.

ScoreWeight
Samsung Galaxy M40 128GB63/100168.0g
Oppo R15 Pro 128GB58/100180.0g

"Samsung Galaxy M40 128GB" 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 "Samsung Galaxy M40 128GB" has a 6.3inch display. Also, the "Oppo R15 Pro 128GB" has a 6.28inch display. Comparing the screen size, there is a negligible difference in screen size between the "Samsung Galaxy M40 128GB" and the "Oppo R15 Pro 128GB". 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
Samsung Galaxy M40 128GB90/1006.3inch
Oppo R15 Pro 128GB90/1006.28inch

"Samsung Galaxy M40 128GB" 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 "Samsung Galaxy M40 128GB" is 1080 x 2340, and pixel density is 409ppi. Also, the resolution on the "Oppo R15 Pro 128GB" is 1080 x 2280, and pixel density is 401ppi. Comparing the pixel count, the difference in pixel density between the "Samsung Galaxy M40 128GB" and the "Oppo R15 Pro 128GB" 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
Samsung Galaxy M40 128GB85/100409ppi
Oppo R15 Pro 128GB84/100401ppi

"Samsung Galaxy M40 128GB" 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 "Samsung Galaxy M40 128GB" is 3500.0mAh, and the "Oppo R15 Pro 128GB" is 3430.0mAh. Regarding battery capacity, there is a negligible difference in battery capacity between the "Samsung Galaxy M40 128GB" and "Oppo R15 Pro 128GB". Since both have roughly equal battery life, you are better off comparing them based on other aspects of performance and functionality.

ScoreBattery capacity
Samsung Galaxy M40 128GB72/1003500.0mAh
Oppo R15 Pro 128GB71/1003430.0mAh

"Samsung Galaxy M40 128GB" 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 "Samsung Galaxy M40 128GB"'s CPU is a Qualcomm SDM675 Snapdragon 675, with performance measured at 2.0GHz+1.7GHz×8(8.0-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, there is almost no difference in the specs of the "Samsung Galaxy M40 128GB" and the "Oppo R15 Pro 128GB". For that reason the level of smoothness felt when using apps and comfortable handling of games is about the same. For that reason it is better to compare them in terms of other aspects of performance and functionality.

ScoreCPU specs
Samsung Galaxy M40 128GB89/1002.0GHz+1.7GHz×8(8.0-cores)
Oppo R15 Pro 128GB90/1002.2GHz+1.8GHz×8(8.0-cores)

"Samsung Galaxy M40 128GB" 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 "Samsung Galaxy M40 128GB" is 6.0GB and the weight of the "Oppo R15 Pro 128GB" is 6.0GB. Comparing the devices in terms of RAM, there is almost no difference in the amount of RAM of the "Samsung Galaxy M40 128GB" and the "Oppo R15 Pro 128GB". For that reason they have about the same level of multitasking performance and 3D game and VR smoothness. That's why it is better to make a comparison in terms of other aspects of performance and functionality.

ScoreRAM size
Samsung Galaxy M40 128GB90/1006.0GB
Oppo R15 Pro 128GB90/1006.0GB

"Samsung Galaxy M40 128GB" 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 "Samsung Galaxy M40 128GB" is 128.0GB. Also the "Oppo R15 Pro 128GB" is 128.0GB. Regarding storage capacity, there is a negligible difference in storage capacity between the "Samsung Galaxy M40 128GB" and "Oppo R15 Pro 128GB". As a result, you can save roughly the same amount of pictures, and install roughly the same amount of applications, on either phone. You are better off comparing them based on other aspects of performance and functionality.

ScoreStorage size
Samsung Galaxy M40 128GB90/100128.0GB
Oppo R15 Pro 128GB90/100128.0GB

"Samsung Galaxy M40 128GB" 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.

"Samsung Galaxy M40 128GB" has a 32.0MP main camera. Also, "Oppo R15 Pro 128GB" has a 20.0MP main camera. Comparing rear camera performance, the "Samsung Galaxy M40 128GB" has a much higher pixel count compared to the "Oppo R15 Pro 128GB", with a roughly 12MP difference. In terms of taking or shooting high resolution pictures or videos that will look clean when printed, the "Samsung Galaxy M40 128GB" is superior to the "Oppo R15 Pro 128GB". If you are looking for a smartphone that is suited for shooting videos and taking pictures, we recommend the "Samsung Galaxy M40 128GB" over the "Oppo R15 Pro 128GB".

ScoreRear-camera resolution
Samsung Galaxy M40 128GB92/10032.0MP
Oppo R15 Pro 128GB78/10020.0MP

"Samsung Galaxy M40 128GB" 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.

"Samsung Galaxy M40 128GB" has an 16.0MP 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 higher pixel count than the "Samsung Galaxy M40 128GB", with a roughly 4MP difference. As a result, the "Oppo R15 Pro 128GB" is better able to take high quality selfies than the "Samsung Galaxy M40 128GB", and the pictures will look cleaner when printed. Therefore, we recommend the "Oppo R15 Pro 128GB".

ScoreFront-camera resolution
Samsung Galaxy M40 128GB75/10016.0MP
Oppo R15 Pro 128GB81/10020.0MP

"Samsung Galaxy M40 128GB" and "Oppo R15 Pro 128GB", performance comparison by specification sheet

Samsung Galaxy M40 128GBOppo R15 Pro 128GB
ImageSamsung Galaxy M40 128GBOppo R15 Pro 128GB
MakerSamsungOppo
Release date2019-062018-04
ColorSeawater Blue/Midnight Blue/Cocktail OrangeCeramic Black/Dream Mirror Red
OSAndroidAndroid
Dimensions (width x height x thickness)73.9mm x 155.3mm x 7.9mm75.2mm x 156.5mm x 8.0mm
Weight168.0g180.0g
Display size6.3inch6.28inch
Display typePLS TFTAMOLED
Screen resolution (width x height)1080 x 23401080 x 2280
Pixel density409ppi401ppi
Battery capacity3500.0mAh3430.0mAh
ChipsetQualcomm SDM675 Snapdragon 675Qualcomm SDM660 Snapdragon 660
CPU specs2.0GHz+1.7GHz×8(8.0-cores)2.2GHz+1.8GHz×8(8.0-cores)
RAM size6.0GB6.0GB
Storage size128.0GB128.0GB
Rear-camera resolution32.0MP20.0MP
Front-camera resolution16.0MP20.0MP

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