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Vivo Z5i (2019) 128GB vs Oppo A9 (2019) 128GB: Full Comparison!

Created date: 2019-11-25 13:48:03, Updated date: 2021-10-20 22:15:25

vivo Z5i (2019) 128GBOppo A9 (2019) 128GB
vivo Z5i (2019) 128GBOppo A9 (2019) 128GB

Are you having trouble comparing the differences in features and performance of the "vivo Z5i (2019) 128GB" 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 Z5i (2019) 128GBOppo A9 (2019) 128GB
vivo Z5i (2019) 128GB

Oppo A9 (2019) 128GB

General rating:
Holding comfortrating-image2.9
76.5mm x 162.2mm x 8.9mm
rating-image3.0
76.1mm x 162.0mm x 8.3mm
Weightrating-image2.7
193.0g
rating-image2.7
190.0g
Screen sizerating-image4.5
6.53inch
rating-image4.5
6.53inch
Display qualityrating-image4.2
394ppi
rating-image4.2
394ppi
Battery liferating-image4.2
5000.0mAh
rating-image4.0
4020.0mAh
Processing powerrating-image4.6
2.0GHz+1.7GHz×8(8.0-cores)
rating-image4.6
2.1GHz+2.0GHz×8(8.0-cores)
Memory capacityrating-image4.7
8.0GB
rating-image4.7
8.0GB
Storage capacityrating-image4.5
128.0GB
rating-image4.5
128.0GB
Rear camera performancerating-image3.4
16.0MP
rating-image3.4
16.0MP
Front camera performancerating-image3.8
16.0MP
rating-image3.8
16.0MP

"vivo Z5i (2019) 128GB" and "Oppo A9 (2019) 128GB", performance comparison

"vivo Z5i (2019) 128GB" 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 Z5i (2019) 128GB" has a width of 76.5mm, a length of 162.2mm, and a thickness of 8.9mm. 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 Z5i (2019) 128GB" 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 Z5i (2019) 128GB" 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 Z5i (2019) 128GB" 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 Z5i (2019) 128GB58/10076.5mm x 162.2mm x 8.9mm
Oppo A9 (2019) 128GB60/10076.1mm x 162.0mm x 8.3mm

"vivo Z5i (2019) 128GB" 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 Z5i (2019) 128GB" is about 193.0g, 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 Z5i (2019) 128GB" 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 Z5i (2019) 128GB53/100193.0g
Oppo A9 (2019) 128GB54/100190.0g

"vivo Z5i (2019) 128GB" 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 Z5i (2019) 128GB" has a 6.53inch 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 Z5i (2019) 128GB" 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 Z5i (2019) 128GB90/1006.53inch
Oppo A9 (2019) 128GB90/1006.53inch

"vivo Z5i (2019) 128GB" 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 Z5i (2019) 128GB" is 1080 x 2340, and pixel density is 394ppi. 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 Z5i (2019) 128GB" 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 Z5i (2019) 128GB83/100394ppi
Oppo A9 (2019) 128GB83/100394ppi

"vivo Z5i (2019) 128GB" 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 Z5i (2019) 128GB" is 5000.0mAh, and the "Oppo A9 (2019) 128GB" is 4020.0mAh. Regarding battery capacity, there is a negligible difference in battery capacity between the "vivo Z5i (2019) 128GB" 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 Z5i (2019) 128GB83/1005000.0mAh
Oppo A9 (2019) 128GB80/1004020.0mAh

"vivo Z5i (2019) 128GB" 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 Z5i (2019) 128GB"'s CPU is a Qualcomm SDM675 Snapdragon 675, with performance measured at 2.0GHz+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 Z5i (2019) 128GB" 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 Z5i (2019) 128GB91/1002.0GHz+1.7GHz×8(8.0-cores)
Oppo A9 (2019) 128GB92/1002.1GHz+2.0GHz×8(8.0-cores)

"vivo Z5i (2019) 128GB" 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 Z5i (2019) 128GB" 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 Z5i (2019) 128GB" 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 Z5i (2019) 128GB93/1008.0GB
Oppo A9 (2019) 128GB93/1008.0GB

"vivo Z5i (2019) 128GB" 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 Z5i (2019) 128GB" is 128.0GB. Also the "Oppo A9 (2019) 128GB" is 128.0GB. Regarding storage capacity, there is a negligible difference in storage capacity between the "vivo Z5i (2019) 128GB" 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 Z5i (2019) 128GB90/100128.0GB
Oppo A9 (2019) 128GB90/100128.0GB

"vivo Z5i (2019) 128GB" 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 Z5i (2019) 128GB" has a 16.0MP main camera. Also, "Oppo A9 (2019) 128GB" has a 16.0MP main camera. Comparing rear camera performance, the "vivo Z5i (2019) 128GB" and "Oppo A9 (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
vivo Z5i (2019) 128GB68/10016.0MP
Oppo A9 (2019) 128GB68/10016.0MP

"vivo Z5i (2019) 128GB" 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 Z5i (2019) 128GB" has an 16.0MP front camera and "Oppo A9 (2019) 128GB" has an 16.0MP front camera. Comparing rear camera performance, the "vivo Z5i (2019) 128GB" and "Oppo A9 (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.

ScoreFront-camera resolution
vivo Z5i (2019) 128GB75/10016.0MP
Oppo A9 (2019) 128GB75/10016.0MP

"vivo Z5i (2019) 128GB" and "Oppo A9 (2019) 128GB", performance comparison by specification sheet

vivo Z5i (2019) 128GBOppo A9 (2019) 128GB
Imagevivo Z5i (2019) 128GBOppo A9 (2019) 128GB
MakervivoOppo
Release date2019-11-282019-04
ColorGlazed Black/Jade BlueMica Green/Ice Jade White/Fluorite Purple
OSAndroidAndroid
Dimensions (width x height x thickness)76.5mm x 162.2mm x 8.9mm76.1mm x 162.0mm x 8.3mm
Weight193.0g190.0g
Display size6.53inch6.53inch
Display typeIPS LCDLTPS IPS LCD
Screen resolution (width x height)1080 x 23401080 x 2340
Pixel density394ppi394ppi
Battery capacity5000.0mAh4020.0mAh
ChipsetQualcomm SDM675 Snapdragon 675Mediatek MT6771V Helio P70
CPU specs2.0GHz+1.7GHz×8(8.0-cores)2.1GHz+2.0GHz×8(8.0-cores)
RAM size8.0GB8.0GB
Storage size128.0GB128.0GB
Rear-camera resolution16.0MP16.0MP
Front-camera resolution16.0MP16.0MP

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