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Which one is better, the Oppo K1 (2018) 64GB or vivo Z5i (2019) 128GB? We did a deep-dive comparison categorised by purpose of use!

Created date: 2019-11-25 14:04:02, Updated date: 2021-10-20 22:31:24

vivo Z5i (2019) 128GBOppo K1 (2018) 64GB
vivo Z5i (2019) 128GBOppo K1 (2018) 64GB

Which do we recommend after comparing the "vivo Z5i (2019) 128GB" and "Oppo K1 (2018) 64GB"? We evaluated the differences between the two models. This article is recommended for those who are trying to choose between the "vivo Z5i (2019) 128GB" and "Oppo K1 (2018) 64GB".

vivo Z5i (2019) 128GBOppo K1 (2018) 64GB
vivo Z5i (2019) 128GB

Oppo K1 (2018) 64GB

General rating:

70.9/100

(The 3428th of all smartphones)

71.7/100

(The 3408th of all smartphones)

Grip
49/100
58/100
Screen quality
80/100
80/100
Performance
98/100
95/100
Storage size
90/100
84/100
Battery
100/100
96/100
Rear-camera resolution
80/100
80/100
Front-camera resolution
100/100
100/100

What is the difference between the "vivo Z5i (2019) 128GB" and the "Oppo K1 (2018) 64GB"? See a detailed comparison of ease of use and performance

Comparison of weight and size of the "vivo Z5i (2019) 128GB" and "Oppo K1 (2018) 64GB"

The design of vivo Z5i (2019) 128GB

The "vivo Z5i (2019) 128GB" is 162.2mm long, 76.5mm wide, and 8.9mm thick. It weighs 193.0g.

The design of Oppo K1 (2018) 64GB

The "Oppo K1 (2018) 64GB" is 158.3mm long, 75.5mm wide, and 7.4mm thick. It weighs 156.0g.

Which is the better design to use?

In comparison, the size difference is 3.8mm in length, 1mm in width, and 1.5mm in thickness. "Oppo K1 (2018) 64GB" is easy to use with a single hand, and its size makes it easier to hold. Hiragana flick input is basically just as easy to use with "vivo Z5i (2019) 128GB" and "Oppo K1 (2018) 64GB". Both the "vivo Z5i (2019) 128GB" and "Oppo K1 (2018) 64GB" are basically equally portable and easy to handle.

The difference in weight is 37g. The "Oppo K1 (2018) 64GB" is much lighter, putting less burden on the hand.

vivo Z5i (2019) 128GB

Oppo K1 (2018) 64GB

Ease of holding it in one hand59/10064/100
How much it does not feel heavy to hold in one hand24/10048/100
Ease of carrying around57/10060/100

Compare the display of the "vivo Z5i (2019) 128GB" and "Oppo K1 (2018) 64GB"

Display of the vivo Z5i (2019) 128GB

The "vivo Z5i (2019) 128GB" uses a IPS LCD liquid crystal. The resolution is 1080 x 2340, and the pixel density is 394ppi. The "vivo Z5i (2019) 128GB" has a 6.53inch screen size.

Display of the Oppo K1 (2018) 64GB

The "Oppo K1 (2018) 64GB" uses a Super AMOLED liquid crystal. The resolution is 1080 x 2340, and the pixel density is 402ppi. The "Oppo K1 (2018) 64GB" has a 6.4inch screen size.

Which has a better screen?

This makes a 0.12inch difference in the display sizes. When actually viewing the two phones' onscreen displays, it is obvious that they are roughly the same size. For doing internet research using systems such as SNS, there is not much difference between the two phones. Both the "vivo Z5i (2019) 128GB" and the "Oppo K1 (2018) 64GB" can be easily used for this kind of purpose. The gaming screens of these two phones are roughly the same size. Both the "vivo Z5i (2019) 128GB" and the "Oppo K1 (2018) 64GB" can be easily used for this kind of purpose.

There is very little difference in the clarity of the displays of "vivo Z5i (2019) 128GB" and "Oppo K1 (2018) 64GB" when used for research, gaming, or other similar purposes. When using the smartphone as a VR, the screen is generally held much closer to the face than when using the smartphone for other purposes, and so the clarity of the screen becomes a rather important factor. When you compare how easy it is to see the VR on the two phones, it is pretty much the same.

vivo Z5i (2019) 128GB

Oppo K1 (2018) 64GB

How suited is the screen for usual usage?80/10079/100
How suited is the screen to play games on?84/10083/100

Compare the camera performances of the "vivo Z5i (2019) 128GB" and "Oppo K1 (2018) 64GB"

Camera performance of vivo Z5i (2019) 128GB

The main camera of the "vivo Z5i (2019) 128GB" has 16.0MP. The front camera has 16.0MP.

Camera performance of Oppo K1 (2018) 64GB

The main camera of the "Oppo K1 (2018) 64GB" has 16.0MP. The front camera has 25.0MP.

Which camera performance is better?

There is very little difference in the performance (or pixel count) of "vivo Z5i (2019) 128GB" and "Oppo K1 (2018) 64GB" when shooting distant objects or Instagrammable landscapes. Also, when using the rear camera to snap close shots of photogenic sweets or meals, there is very little difference between the pixel counts of the two phones. Both the "vivo Z5i (2019) 128GB" and the "Oppo K1 (2018) 64GB" can be easily used for this kind of purpose.

There is a 9MP difference in front camera pixel number. When shooting objects or people with the front phone camera from a short distance, such as taking a selfie with a selfie-stick, there is very little difference between the pixel counts of the two phones, even when it comes to the scenery in the background of such photographs. Both the "vivo Z5i (2019) 128GB" and the "Oppo K1 (2018) 64GB" can be easily used for this kind of purpose. There is not much difference between the pixel counts of "vivo Z5i (2019) 128GB" and "Oppo K1 (2018) 64GB" when it comes to taking close-up photographs such as selfies or profile pics with the front phone camera.

vivo Z5i (2019) 128GB

Oppo K1 (2018) 64GB

Is is suited to taking far away objects with the rear camera?80/10080/100
Is it suited for taking close objects with the built-in camera?100/100100/100

Comparison of the processing capabilities of the "vivo Z5i (2019) 128GB" and "Oppo K1 (2018) 64GB"

The processing capability of the vivo Z5i (2019) 128GB

Performance is defined by the chipset, and the "vivo Z5i (2019) 128GB" uses the Qualcomm SDM675 Snapdragon 675 SoC. The CPU performance is 2.0GHz+1.7GHz×8(8.0-cores). The memory capacity is 8.0GB.

The processing capability of the Oppo K1 (2018) 64GB

Performance is defined by the chipset, and the "Oppo K1 (2018) 64GB" uses the Qualcomm SDM660 Snapdragon 660 SoC. The CPU performance is 2.0GHz+1.8GHz×8(8.0-cores). The memory capacity is 6.0GB.

Which has the better processing capability?

The CPU specs are the same for both phones. This is a 2GB difference in memory capacity. The memory of "vivo Z5i (2019) 128GB" is slightly larger, so "vivo Z5i (2019) 128GB" is recommended over "Oppo K1 (2018) 64GB" for multitasking.

For phone calls, emails, messaging, using SNS or most fundamental features, the differences between the "vivo Z5i (2019) 128GB" and the "Oppo K1 (2018) 64GB" are not large at all. For people who mainly use their phones to look things up online, watch videos and play games occasionally I can recommend the "vivo Z5i (2019) 128GB" and the "Oppo K1 (2018) 64GB" equally. Both the "vivo Z5i (2019) 128GB" and the "Oppo K1 (2018) 64GB" can be easily used for this kind of purpose.

There is basically no difference between "vivo Z5i (2019) 128GB" and "Oppo K1 (2018) 64GB" when playing 2D games or basic 3D games. Functionality is about the same for full-scale 3D games, no matter which phone model is used. Both the "vivo Z5i (2019) 128GB" and the "Oppo K1 (2018) 64GB" can be easily used for this kind of purpose.

vivo Z5i (2019) 128GB

Oppo K1 (2018) 64GB

Review on the CPU capbility and memory capacity when using Social Networks or the Internet100/10096/100
Review on the CPU speed and the memory capacity while playing 3D games97/10094/100

Comparison of the battery life of the "vivo Z5i (2019) 128GB" and "Oppo K1 (2018) 64GB"

Battery performance of vivo Z5i (2019) 128GB

The "vivo Z5i (2019) 128GB" has a battery capacity of 5000.0mAh.

Battery performance of Oppo K1 (2018) 64GB

The "Oppo K1 (2018) 64GB" has a battery capacity of 3600.0mAh.

Which battery perfomances is better?

This makes a difference in battery capacity of 1400mAh, but it is not enough to only compare the capacity. With a high-performance CPU, the battery drains faster, and a larger screen also uses more battery.

The "vivo Z5i (2019) 128GB" is also a great choice for those who only use their phone for occasional phone calls or for checking the time. For looking things up online, checking SNS, playing games occasionally or for most frequent use, it doesn't feel like there is much difference between the "vivo Z5i (2019) 128GB" and the "Oppo K1 (2018) 64GB". Both the "vivo Z5i (2019) 128GB" and the "Oppo K1 (2018) 64GB" can be easily used for this kind of purpose.

The battery life of the "vivo Z5i (2019) 128GB" is well equipped to handle long hours of gaming, video playback, and other kinds of frequent daily use. Both the "vivo Z5i (2019) 128GB" and the "Oppo K1 (2018) 64GB" can be easily used for this kind of purpose.

vivo Z5i (2019) 128GB

Oppo K1 (2018) 64GB

Review on the battery life of a phone mainly using Social Networks and the Internet100/10096/100
Review on the battery life of a phone mainly using mainly games and videos100/10088/100

Compare the storage capacity of the "vivo Z5i (2019) 128GB" and "Oppo K1 (2018) 64GB"

The storage capacity of the vivo Z5i (2019) 128GB

The "vivo Z5i (2019) 128GB" has 128.0GB of internal memory. It is also compatible with SD cards, so when there is insufficient storage space, then a SD card can be used to add more storage. A SD with a maximum of 256.0GB can be used.

The storage capacity of the Oppo K1 (2018) 64GB

The "Oppo K1 (2018) 64GB" has 64.0GB of internal memory. It is also compatible with SD cards, so when there is insufficient storage space, then a SD card can be used to add more storage. A SD with a maximum of 256.0GB can be used.

Which has the easier storage to use?

The difference in internal memory is about 64GB. "vivo Z5i (2019) 128GB" is recommended if you are using your phone mainly for downloading games and using apps such as social media. Avid gamers should look to the "vivo Z5i (2019) 128GB" for fulfilling their storage needs, as the "Oppo K1 (2018) 64GB" unfortunately falls behind here. Both the "vivo Z5i (2019) 128GB" and the "Oppo K1 (2018) 64GB" can be easily used for this kind of purpose.

When the storage added with a SD card is included, then the difference is about 64GB. Because the speed of loading from or saving to the SD card is slow, it is suited for saving pictures or videos. If you want to save long videos or save lots of photos, it does not make much difference whether you choose "vivo Z5i (2019) 128GB" or "Oppo K1 (2018) 64GB". Both the "vivo Z5i (2019) 128GB" and the "Oppo K1 (2018) 64GB" can be easily used for this kind of purpose.

vivo Z5i (2019) 128GB

Oppo K1 (2018) 64GB

Review on the storage capacity when playing many games90/10084/100
Review on when you store many pictures and videos92/10091/100

Which to buy, the "vivo Z5i (2019) 128GB" or "Oppo K1 (2018) 64GB"

At the end of the day which is better, the "vivo Z5i (2019) 128GB" or "Oppo K1 (2018) 64GB"?

"Oppo K1 (2018) 64GB" is easier for the user to hold and is more compact, and so it is recommended. If choosing based on screen size, there is hardly any difference between "vivo Z5i (2019) 128GB" and "Oppo K1 (2018) 64GB". There isn't much difference between "vivo Z5i (2019) 128GB" and "Oppo K1 (2018) 64GB" in terms of performance or specifications. Because both have advantages and disadvantages, I think that it is best to stick to the most important points that you want to emphasize.

vivo Z5i (2019) 128GB

Oppo K1 (2018) 64GB

Handling49/10058/100
Display80/10080/100
CPU specs98/10095/100
General rating85/10083/100

Is it recommended to buy the vivo Z5i (2019) 128GB, compared with other smartphones?

Compared to other smartphones, the "vivo Z5i (2019) 128GB" is averagely easy to hold. Although it can be a little difficult, it is the right size to be able to operate with one hand. The screen size is larger than that of standard smartphones. It is suited for typing long texts and so can be used to read or edit office texts. In addition, its processing capability is quite excellent compared to the average smart phone. It is suitable for almost all uses, including games and VR. It may be a bit extravagant for normal use. Looking at the overall specifications, the "vivo Z5i (2019) 128GB" is a high-end smart phone.

Is it recommended to buy the Oppo K1 (2018) 64GB, compared with other smartphones?

Compared to other smartphones, the "Oppo K1 (2018) 64GB" is averagely easy to hold. Although it can be a little difficult, it is the right size to be able to operate with one hand. The screen size is larger than that of standard smartphones. It is suited for typing long texts and so can be used to read or edit office texts. In addition, its processing capability is quite excellent compared to the average smart phone. It is suitable for almost all uses, including games and VR. It may be a bit extravagant for normal use. Looking at the overall specifications, the "Oppo K1 (2018) 64GB" is a high-end smart phone.

What are the spec differences between the "vivo Z5i (2019) 128GB" and "Oppo K1 (2018) 64GB" ?

A summary of the technical specifications of the "vivo Z5i (2019) 128GB" and "Oppo K1 (2018) 64GB". Functions and performance variations on the same model will be highlighted in red.

vivo Z5i (2019) 128GBOppo K1 (2018) 64GB
vivo Z5i (2019) 128GBOppo K1 (2018) 64GB
ColorGlazed Black/Jade BlueBlue/Red/Silver Green
OSAndroidAndroid
Dimensions (width x height x thickness)76.5mm x 162.2mm x 8.9mm75.5mm x 158.3mm x 7.4mm
Weight193.0g156.0g
Display size6.53inch6.4inch
Display typeIPS LCDSuper AMOLED
Screen resolution (width x height)1080 x 23401080 x 2340
Pixel density394ppi402ppi
Battery capacity5000.0mAh3600.0mAh
ChipsetQualcomm SDM675 Snapdragon 675Qualcomm SDM660 Snapdragon 660
CPU specs2.0GHz+1.7GHz×8(8.0-cores)2.0GHz+1.8GHz×8(8.0-cores)
RAM size8.0GB6.0GB
Storage size128.0GB64.0GB
Rear-camera resolution16.0MP16.0MP
Front-camera resolution16.0MP25.0MP

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