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Which should you buy, the Oppo K5 (2019) 256GB or vivo NEX 3 (2019) 128GB? We offer a thorough comparison of the differences in functions, specifications and performance between the two

Created date: 2019-10-09 16:31:32, Updated date: 2021-10-20 21:33:43

Oppo K5 (2019) 256GBvivo NEX 3 (2019) 128GB
Oppo K5 (2019) 256GBvivo NEX 3 (2019) 128GB

Here's our thorough comparison of the difference in performance and function between the "Oppo K5 (2019) 256GB" and "vivo NEX 3 (2019) 128GB". Which one should you buy? We'll compare and explain what differs between the "Oppo K5 (2019) 256GB" and "vivo NEX 3 (2019) 128GB" in a way that even people who aren't used to choosing between two similar products can understand.

Oppo K5 (2019) 256GBvivo NEX 3 (2019) 128GB
Oppo K5 (2019) 256GB

vivo NEX 3 (2019) 128GB

General rating:

76.4/100

(The 3177th of all smartphones)

78.5/100

(The 3078th of all smartphones)

Holding comfort
61/100
58/100
Weight
57/100
47/100
Screen size
90/100
91/100
Display quality
84/100
76/100
Battery life
80/100
81/100
Processing power
92/100
96/100
Memory capacity
93/100
93/100
Storage capacity
91/100
90/100
Rear camera performance
100/100
100/100
Front camera performance
97/100
75/100

"Oppo K5 (2019) 256GB" and "vivo NEX 3 (2019) 128GB", performance comparison

"Oppo K5 (2019) 256GB" and "vivo NEX 3 (2019) 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 "Oppo K5 (2019) 256GB" has a width of 75.2mm, a length of 158.7mm, and a thickness of 8.6mm. Also, the "vivo NEX 3 (2019) 128GB" has a width of 76.1mm, a length of 167.4mm, and a thickness of 9.4mm.

Comparing the width and thickness of the body, there isn't much difference between the "Oppo K5 (2019) 256GB" and "vivo NEX 3 (2019) 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 "Oppo K5 (2019) 256GB" and the "vivo NEX 3 (2019) 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 "Oppo K5 (2019) 256GB" and the "vivo NEX 3 (2019) 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)
Oppo K5 (2019) 256GB61/10075.2mm x 158.7mm x 8.6mm
vivo NEX 3 (2019) 128GB58/10076.1mm x 167.4mm x 9.4mm

"Oppo K5 (2019) 256GB" and "vivo NEX 3 (2019) 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 "Oppo K5 (2019) 256GB" is about 182.0g, and the weight of the "vivo NEX 3 (2019) 128GB" is about 217.3g. Comparing the weight of the two devices, the "Oppo K5 (2019) 256GB" is a considerably lighter smart phone than the "vivo NEX 3 (2019) 128GB", and there is a difference of about 35.3g. In terms of the burden placed upon your fingers and wrist, the "Oppo K5 (2019) 256GB" is superior to the "vivo NEX 3 (2019) 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 "Oppo K5 (2019) 256GB" over the "vivo NEX 3 (2019) 128GB".

ScoreWeight
Oppo K5 (2019) 256GB57/100182.0g
vivo NEX 3 (2019) 128GB47/100217.3g

"Oppo K5 (2019) 256GB" and "vivo NEX 3 (2019) 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 "Oppo K5 (2019) 256GB" has a 6.4inch display. Also, the "vivo NEX 3 (2019) 128GB" has a 6.89inch display. Comparing the screen size, there is a negligible difference in screen size between the "Oppo K5 (2019) 256GB" and the "vivo NEX 3 (2019) 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
Oppo K5 (2019) 256GB90/1006.4inch
vivo NEX 3 (2019) 128GB91/1006.89inch

"Oppo K5 (2019) 256GB" and "vivo NEX 3 (2019) 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 "Oppo K5 (2019) 256GB" is 1080 x 2340, and pixel density is 402ppi. Also, the resolution on the "vivo NEX 3 (2019) 128GB" is 1080 x 2256, and pixel density is 363ppi. Comparing the pixel count, the "Oppo K5 (2019) 256GB" has a higher pixel density than the "vivo NEX 3 (2019) 128GB", with a difference of roughly 39ppi. As a result, images and videos on the "Oppo K5 (2019) 256GB" have better picture quality than on the "vivo NEX 3 (2019) 128GB", and the former is also easier on the eyes. Therefore, we recommend the "Oppo K5 (2019) 256GB".

ScorePixel density
Oppo K5 (2019) 256GB84/100402ppi
vivo NEX 3 (2019) 128GB76/100363ppi

"Oppo K5 (2019) 256GB" and "vivo NEX 3 (2019) 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 "Oppo K5 (2019) 256GB" is 4000.0mAh, and the "vivo NEX 3 (2019) 128GB" is 4500.0mAh. Regarding battery capacity, there is a negligible difference in battery capacity between the "Oppo K5 (2019) 256GB" and "vivo NEX 3 (2019) 128GB". Since both have roughly equal battery life, you are better off comparing them based on other aspects of performance and functionality.

ScoreBattery capacity
Oppo K5 (2019) 256GB80/1004000.0mAh
vivo NEX 3 (2019) 128GB81/1004500.0mAh

"Oppo K5 (2019) 256GB" and "vivo NEX 3 (2019) 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 "Oppo K5 (2019) 256GB"'s CPU is a Qualcomm SDM730 Snapdragon 730G, with performance measured at 2.2GHz+1.8GHz×8(8.0-cores). Also, the "vivo NEX 3 (2019) 128GB"'s CPU is a Qualcomm SM8150 Snapdragon 855+, with performance measured at 2.96GHz+2.42GHz+1.8GHz×8(8.0-cores). Comparing CPU performance, there is almost no difference in the specs of the "Oppo K5 (2019) 256GB" and the "vivo NEX 3 (2019) 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
Oppo K5 (2019) 256GB92/1002.2GHz+1.8GHz×8(8.0-cores)
vivo NEX 3 (2019) 128GB96/1002.96GHz+2.42GHz+1.8GHz×8(8.0-cores)

"Oppo K5 (2019) 256GB" and "vivo NEX 3 (2019) 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 "Oppo K5 (2019) 256GB" is 8.0GB and the weight of the "vivo NEX 3 (2019) 128GB" is 8.0GB. Comparing the devices in terms of RAM, there is almost no difference in the amount of RAM of the "Oppo K5 (2019) 256GB" and the "vivo NEX 3 (2019) 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
Oppo K5 (2019) 256GB93/1008.0GB
vivo NEX 3 (2019) 128GB93/1008.0GB

"Oppo K5 (2019) 256GB" and "vivo NEX 3 (2019) 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 "Oppo K5 (2019) 256GB" is 256.0GB. Also the "vivo NEX 3 (2019) 128GB" is 128.0GB. Regarding storage capacity, there is a negligible difference in storage capacity between the "Oppo K5 (2019) 256GB" and "vivo NEX 3 (2019) 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
Oppo K5 (2019) 256GB91/100256.0GB
vivo NEX 3 (2019) 128GB90/100128.0GB

"Oppo K5 (2019) 256GB" and "vivo NEX 3 (2019) 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.

"Oppo K5 (2019) 256GB" has a 64.0MP main camera. Also, "vivo NEX 3 (2019) 128GB" has a 64.0MP main camera. Comparing rear camera performance, the "Oppo K5 (2019) 256GB" and "vivo NEX 3 (2019) 128GB" have approximately the same pixel count. As a result, they can both take pictures and shoot videos of roughly the same quality. Therefore, we recommend comparing the two based on other aspects of performance and functionality.

ScoreRear-camera resolution
Oppo K5 (2019) 256GB100/10064.0MP
vivo NEX 3 (2019) 128GB100/10064.0MP

"Oppo K5 (2019) 256GB" and "vivo NEX 3 (2019) 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.

"Oppo K5 (2019) 256GB" has an 32.0MP front camera and "vivo NEX 3 (2019) 128GB" has an 16.0MP front camera. Comparing rear camera performance, the front camera of the "Oppo K5 (2019) 256GB" has a much higher pixel count compared to the "vivo NEX 3 (2019) 128GB", with a roughly 16MP difference. As a result, the "Oppo K5 (2019) 256GB" is more suited than the "vivo NEX 3 (2019) 128GB" 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 K5 (2019) 256GB" over the "vivo NEX 3 (2019) 128GB".

ScoreFront-camera resolution
Oppo K5 (2019) 256GB97/10032.0MP
vivo NEX 3 (2019) 128GB75/10016.0MP

"Oppo K5 (2019) 256GB" and "vivo NEX 3 (2019) 128GB", performance comparison by specification sheet

Oppo K5 (2019) 256GBvivo NEX 3 (2019) 128GB
ImageOppo K5 (2019) 256GBvivo NEX 3 (2019) 128GB
MakerOppovivo
Release date2019-10-172019-09
ColorGreen/White/BlueBlack/Blue
OSAndroidAndroid
Dimensions (width x height x thickness)75.2mm x 158.7mm x 8.6mm76.1mm x 167.4mm x 9.4mm
Weight182.0g217.3g
Display size6.4inch6.89inch
Display typeSuper AMOLEDSuper AMOLED
Screen resolution (width x height)1080 x 23401080 x 2256
Pixel density402ppi363ppi
Battery capacity4000.0mAh4500.0mAh
ChipsetQualcomm SDM730 Snapdragon 730GQualcomm SM8150 Snapdragon 855+
CPU specs2.2GHz+1.8GHz×8(8.0-cores)2.96GHz+2.42GHz+1.8GHz×8(8.0-cores)
RAM size8.0GB8.0GB
Storage size256.0GB128.0GB
Rear-camera resolution64.0MP64.0MP
Front-camera resolution32.0MP16.0MP

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