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Compare vivo S5 (2019) 256GB vs Oppo A9 (2019) 128GB

Created date: 2019-11-15 14:02:39, Updated date: 2021-10-20 17:27:24

vivo S5 (2019) 256GBOppo A9 (2019) 128GB
vivo S5 (2019) 256GBOppo A9 (2019) 128GB

Are you having trouble comparing the differences in features and performance of the "vivo S5 (2019) 256GB" and "Oppo A9 (2019) 128GB", 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.

vivo S5 (2019) 256GBOppo A9 (2019) 128GB
vivo S5 (2019) 256GB

Oppo A9 (2019) 128GB

General rating:
Holding comfortrating-image3.2
63/100
rating-image3.0
60/100
Weightrating-image2.8
55/100
rating-image2.7
54/100
Screen sizerating-image4.5
90/100
rating-image4.5
90/100
Display qualityrating-image4.3
85/100
rating-image4.2
83/100
Battery liferating-image4.0
80/100
rating-image4.0
80/100
Processing powerrating-image4.6
92/100
rating-image4.6
92/100
Memory capacityrating-image4.7
93/100
rating-image4.7
93/100
Storage capacityrating-image4.6
91/100
rating-image4.5
90/100
Rear camera performancerating-image4.9
97/100
rating-image3.4
68/100
Front camera performancerating-image4.9
97/100
rating-image3.8
75/100

"vivo S5 (2019) 256GB" and "Oppo A9 (2019) 128GB", performance comparison

"vivo S5 (2019) 256GB" and "Oppo A9 (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 "vivo S5 (2019) 256GB" has a width of 73.9mm, a length of 157.9mm, and a thickness of 8.6mm. Also, the "Oppo A9 (2019) 128GB" has a width of 76.1mm, a length of 162.0mm, and a thickness of 8.3mm.

Comparing the width and thickness of the body, there isn't much difference between the "vivo S5 (2019) 256GB" and "Oppo A9 (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 "vivo S5 (2019) 256GB" and the "Oppo A9 (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 "vivo S5 (2019) 256GB" and the "Oppo A9 (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)
vivo S5 (2019) 256GB63/10073.9mm x 157.9mm x 8.6mm
Oppo A9 (2019) 128GB60/10076.1mm x 162.0mm x 8.3mm

"vivo S5 (2019) 256GB" and "Oppo A9 (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 "vivo S5 (2019) 256GB" is about 188.0g, and the weight of the "Oppo A9 (2019) 128GB" is about 190.0g. Comparing the weight of the two devices, there isn't much difference in weight between the "vivo S5 (2019) 256GB" and "Oppo A9 (2019) 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
vivo S5 (2019) 256GB55/100188.0g
Oppo A9 (2019) 128GB54/100190.0g

"vivo S5 (2019) 256GB" and "Oppo A9 (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 "vivo S5 (2019) 256GB" has a 6.44inch display. Also, the "Oppo A9 (2019) 128GB" has a 6.53inch display. Comparing the screen size, there is a negligible difference in screen size between the "vivo S5 (2019) 256GB" and the "Oppo A9 (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
vivo S5 (2019) 256GB90/1006.44inch
Oppo A9 (2019) 128GB90/1006.53inch

"vivo S5 (2019) 256GB" and "Oppo A9 (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 "vivo S5 (2019) 256GB" is 1080 x 2400, and pixel density is 408ppi. Also, the resolution on the "Oppo A9 (2019) 128GB" is 1080 x 2340, and pixel density is 394ppi. Comparing the pixel count, the difference in pixel density between the "vivo S5 (2019) 256GB" and the "Oppo A9 (2019) 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
vivo S5 (2019) 256GB85/100408ppi
Oppo A9 (2019) 128GB83/100394ppi

"vivo S5 (2019) 256GB" and "Oppo A9 (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 "vivo S5 (2019) 256GB" is 4100.0mAh, and the "Oppo A9 (2019) 128GB" is 4020.0mAh. Regarding battery capacity, there is a negligible difference in battery capacity between the "vivo S5 (2019) 256GB" and "Oppo A9 (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
vivo S5 (2019) 256GB80/1004100.0mAh
Oppo A9 (2019) 128GB80/1004020.0mAh

"vivo S5 (2019) 256GB" and "Oppo A9 (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 "vivo S5 (2019) 256GB"'s CPU is a Qualcomm SDM712 Snapdragon 712, with performance measured at 2.3GHz+1.7GHz×8(8.0-cores). Also, the "Oppo A9 (2019) 128GB"'s CPU is a Mediatek MT6771V Helio P70, with performance measured at 2.1GHz+2.0GHz×8(8.0-cores). Comparing CPU performance, there is almost no difference in the specs of the "vivo S5 (2019) 256GB" and the "Oppo A9 (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
vivo S5 (2019) 256GB92/1002.3GHz+1.7GHz×8(8.0-cores)
Oppo A9 (2019) 128GB92/1002.1GHz+2.0GHz×8(8.0-cores)

"vivo S5 (2019) 256GB" and "Oppo A9 (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 "vivo S5 (2019) 256GB" is 8.0GB and the weight of the "Oppo A9 (2019) 128GB" is 8.0GB. Comparing the devices in terms of RAM, there is almost no difference in the amount of RAM of the "vivo S5 (2019) 256GB" and the "Oppo A9 (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
vivo S5 (2019) 256GB93/1008.0GB
Oppo A9 (2019) 128GB93/1008.0GB

"vivo S5 (2019) 256GB" and "Oppo A9 (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 "vivo S5 (2019) 256GB" is 256.0GB. Also the "Oppo A9 (2019) 128GB" is 128.0GB. Regarding storage capacity, there is a negligible difference in storage capacity between the "vivo S5 (2019) 256GB" and "Oppo A9 (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
vivo S5 (2019) 256GB91/100256.0GB
Oppo A9 (2019) 128GB90/100128.0GB

"vivo S5 (2019) 256GB" and "Oppo A9 (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.

"vivo S5 (2019) 256GB" has a 48.0MP main camera. Also, "Oppo A9 (2019) 128GB" has a 16.0MP main camera. Comparing rear camera performance, the "vivo S5 (2019) 256GB" has a much higher pixel count compared to the "Oppo A9 (2019) 128GB", with a roughly 32MP difference. In terms of taking or shooting high resolution pictures or videos that will look clean when printed, the "vivo S5 (2019) 256GB" is superior to the "Oppo A9 (2019) 128GB". If you are looking for a smartphone that is suited for shooting videos and taking pictures, we recommend the "vivo S5 (2019) 256GB" over the "Oppo A9 (2019) 128GB".

ScoreRear-camera resolution
vivo S5 (2019) 256GB97/10048.0MP
Oppo A9 (2019) 128GB68/10016.0MP

"vivo S5 (2019) 256GB" and "Oppo A9 (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.

"vivo S5 (2019) 256GB" has an 32.0MP front camera and "Oppo A9 (2019) 128GB" has an 16.0MP front camera. Comparing rear camera performance, the front camera of the "vivo S5 (2019) 256GB" has a much higher pixel count compared to the "Oppo A9 (2019) 128GB", with a roughly 16MP difference. As a result, the "vivo S5 (2019) 256GB" is more suited than the "Oppo A9 (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 "vivo S5 (2019) 256GB" over the "Oppo A9 (2019) 128GB".

ScoreFront-camera resolution
vivo S5 (2019) 256GB97/10032.0MP
Oppo A9 (2019) 128GB75/10016.0MP

"vivo S5 (2019) 256GB" and "Oppo A9 (2019) 128GB", performance comparison by specification sheet

vivo S5 (2019) 256GBOppo A9 (2019) 128GB
Imagevivo S5 (2019) 256GBOppo A9 (2019) 128GB
MakervivoOppo
Release date2019-112019-04
ColorIcelandic Blue/Phantom Blue/Star BlackMica Green/Ice Jade White/Fluorite Purple
OSAndroidAndroid
Dimensions (width x height x thickness)73.9mm x 157.9mm x 8.6mm76.1mm x 162.0mm x 8.3mm
Weight188.0g190.0g
Display size6.44inch6.53inch
Display typeSuper AMOLEDLTPS IPS LCD
Screen resolution (width x height)1080 x 24001080 x 2340
Pixel density408ppi394ppi
Battery capacity4100.0mAh4020.0mAh
ChipsetQualcomm SDM712 Snapdragon 712Mediatek MT6771V Helio P70
CPU specs2.3GHz+1.7GHz×8(8.0-cores)2.1GHz+2.0GHz×8(8.0-cores)
RAM size8.0GB8.0GB
Storage size256.0GB128.0GB
Rear-camera resolution48.0MP16.0MP
Front-camera resolution32.0MP16.0MP

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