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Which one is better, the Xiaomi Mi Mix 3 5G 128GB or Xiaomi Redmi K30 Ultra 512GB? We did a deep-dive comparison categorised by purpose of use!

Created date: 2020-08-10 22:09:21

Xiaomi Redmi K30 Ultra 512GBXiaomi Mi Mix 3 5G 128GB
Xiaomi Redmi K30 Ultra 512GBXiaomi Mi Mix 3 5G 128GB

How are the "Xiaomi Redmi K30 Ultra 512GB" and "Xiaomi Mi Mix 3 5G 128GB" different? We have tested and evaluated their differences. We also explain which one may be best for you.

Xiaomi Redmi K30 Ultra 512GBXiaomi Mi Mix 3 5G 128GB
Xiaomi Redmi K30 Ultra 512GB

Xiaomi Mi Mix 3 5G 128GB

General rating:
Griprating-image2.4
47/100
rating-image2.3
45/100
Screen qualityrating-image4.1
81/100
rating-image4.0
80/100
Performancerating-image4.9
98/100
rating-image4.8
96/100
Storage sizerating-image4.7
93/100
rating-image4.5
90/100
Batteryrating-image5.0
100/100
rating-image5.0
100/100
Rear-camera resolutionrating-image5.0
100/100
rating-image3.5
70/100
Front-camera resolutionrating-image5.0
100/100
rating-image5.0
100/100

What is the difference between the "Xiaomi Redmi K30 Ultra 512GB" and the "Xiaomi Mi Mix 3 5G 128GB"? See a detailed comparison of ease of use and performance

Comparison of weight and size of the "Xiaomi Redmi K30 Ultra 512GB" and "Xiaomi Mi Mix 3 5G 128GB"

The design of Xiaomi Redmi K30 Ultra 512GB

The "Xiaomi Redmi K30 Ultra 512GB" is 163.3mm long, 75.4mm wide, and 9.1mm thick. It weighs 213.0g.

The design of Xiaomi Mi Mix 3 5G 128GB

The "Xiaomi Mi Mix 3 5G 128GB" is 157.9mm long, 74.7mm wide, and 9.4mm thick. It weighs 225.0g.

Which is the better design to use?

In comparison, the size difference is 5.4mm in length, 0.7mm in width, and 0.3mm in thickness. Both the "Xiaomi Redmi K30 Ultra 512GB" and "Xiaomi Mi Mix 3 5G 128GB" are equally easy to use with one hand. Hiragana flick input is basically just as easy to use with "Xiaomi Redmi K30 Ultra 512GB" and "Xiaomi Mi Mix 3 5G 128GB". Both the "Xiaomi Redmi K30 Ultra 512GB" and "Xiaomi Mi Mix 3 5G 128GB" are basically equally portable and easy to handle.

The difference in weight is 12g. "Xiaomi Redmi K30 Ultra 512GB" weighs less than "Xiaomi Mi Mix 3 5G 128GB" and is easier to handle.

Xiaomi Redmi K30 Ultra 512GB

Xiaomi Mi Mix 3 5G 128GB

Ease of holding it in one hand61/10062/100
How much it does not feel heavy to hold in one hand10/1002/100
Ease of carrying around58/10059/100

Compare the display of the "Xiaomi Redmi K30 Ultra 512GB" and "Xiaomi Mi Mix 3 5G 128GB"

Display of the Xiaomi Redmi K30 Ultra 512GB

The "Xiaomi Redmi K30 Ultra 512GB" uses a AMOLED liquid crystal. The resolution is 1080 x 2400, and the pixel density is 394ppi. The "Xiaomi Redmi K30 Ultra 512GB" has a 6.67inch screen size.

Display of the Xiaomi Mi Mix 3 5G 128GB

The "Xiaomi Mi Mix 3 5G 128GB" uses a Super AMOLED liquid crystal. The resolution is 1080 x 2340, and the pixel density is 403ppi. The "Xiaomi Mi Mix 3 5G 128GB" has a 6.39inch screen size.

Which has a better screen?

This makes a 0.28inch 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 "Xiaomi Redmi K30 Ultra 512GB" and the "Xiaomi Mi Mix 3 5G 128GB" can be easily used for this kind of purpose. The gaming screens of these two phones are roughly the same size. Both the "Xiaomi Redmi K30 Ultra 512GB" and the "Xiaomi Mi Mix 3 5G 128GB" can be easily used for this kind of purpose.

There is very little difference in the clarity of the displays of "Xiaomi Redmi K30 Ultra 512GB" and "Xiaomi Mi Mix 3 5G 128GB" 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.

Xiaomi Redmi K30 Ultra 512GB

Xiaomi Mi Mix 3 5G 128GB

How suited is the screen for usual usage?81/10079/100
How suited is the screen to play games on?86/10083/100

Compare the camera performances of the "Xiaomi Redmi K30 Ultra 512GB" and "Xiaomi Mi Mix 3 5G 128GB"

Camera performance of Xiaomi Redmi K30 Ultra 512GB

The main camera of the "Xiaomi Redmi K30 Ultra 512GB" has 64.0MP. The front camera has 20.0MP.

Camera performance of Xiaomi Mi Mix 3 5G 128GB

The main camera of the "Xiaomi Mi Mix 3 5G 128GB" has 12.0MP. The front camera has 24.0MP.

Which camera performance is better?

The back cameras thus have a 52MP difference in comparison. The "Xiaomi Redmi K30 Ultra 512GB" also functions better for long-shot photos for the perfect group photo or a picturesque shot of a beautiful location. The "Xiaomi Redmi K30 Ultra 512GB"'s rear camera triumphs as well, boasting a better megapixel count for close-up Instagram-worthy pictures of meals and desserts. Both the "Xiaomi Redmi K30 Ultra 512GB" and the "Xiaomi Mi Mix 3 5G 128GB" can be easily used for this kind of purpose.

There is a 4MP 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 "Xiaomi Redmi K30 Ultra 512GB" and the "Xiaomi Mi Mix 3 5G 128GB" can be easily used for this kind of purpose. There is not much difference between the pixel counts of "Xiaomi Redmi K30 Ultra 512GB" and "Xiaomi Mi Mix 3 5G 128GB" when it comes to taking close-up photographs such as selfies or profile pics with the front phone camera.

Xiaomi Redmi K30 Ultra 512GB

Xiaomi Mi Mix 3 5G 128GB

Is is suited to taking far away objects with the rear camera?100/10070/100
Is it suited for taking close objects with the built-in camera?100/100100/100

Comparison of the processing capabilities of the "Xiaomi Redmi K30 Ultra 512GB" and "Xiaomi Mi Mix 3 5G 128GB"

The processing capability of the Xiaomi Redmi K30 Ultra 512GB

Performance is defined by the chipset, and the "Xiaomi Redmi K30 Ultra 512GB" uses the Mediatek Dimensity 1000+ SoC. The CPU performance is 2.6GHz+2.0GHz×8(8.0-cores). The memory capacity is 8.0GB.

The processing capability of the Xiaomi Mi Mix 3 5G 128GB

Performance is defined by the chipset, and the "Xiaomi Mi Mix 3 5G 128GB" uses the Qualcomm SM8150 Snapdragon 855 SoC. The CPU performance is 2.84GHz+2.42GHz+1.78GHz×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 "Xiaomi Redmi K30 Ultra 512GB" is slightly larger, so "Xiaomi Redmi K30 Ultra 512GB" is recommended over "Xiaomi Mi Mix 3 5G 128GB" for multitasking.

For phone calls, emails, messaging, using SNS or most fundamental features, the differences between the "Xiaomi Redmi K30 Ultra 512GB" and the "Xiaomi Mi Mix 3 5G 128GB" 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 "Xiaomi Redmi K30 Ultra 512GB" and the "Xiaomi Mi Mix 3 5G 128GB" equally. Both the "Xiaomi Redmi K30 Ultra 512GB" and the "Xiaomi Mi Mix 3 5G 128GB" can be easily used for this kind of purpose.

There is basically no difference between "Xiaomi Redmi K30 Ultra 512GB" and "Xiaomi Mi Mix 3 5G 128GB" 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 "Xiaomi Redmi K30 Ultra 512GB" and the "Xiaomi Mi Mix 3 5G 128GB" can be easily used for this kind of purpose.

Xiaomi Redmi K30 Ultra 512GB

Xiaomi Mi Mix 3 5G 128GB

Review on the CPU capbility and memory capacity when using Social Networks or the Internet100/100100/100
Review on the CPU speed and the memory capacity while playing 3D games97/10094/100

Comparison of the battery life of the "Xiaomi Redmi K30 Ultra 512GB" and "Xiaomi Mi Mix 3 5G 128GB"

Battery performance of Xiaomi Redmi K30 Ultra 512GB

The "Xiaomi Redmi K30 Ultra 512GB" has a battery capacity of 4500.0mAh.

Battery performance of Xiaomi Mi Mix 3 5G 128GB

The "Xiaomi Mi Mix 3 5G 128GB" has a battery capacity of 3800.0mAh.

Which battery perfomances is better?

This makes a difference in battery capacity of 700mAh, 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 "Xiaomi Redmi K30 Ultra 512GB" 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 "Xiaomi Redmi K30 Ultra 512GB" and the "Xiaomi Mi Mix 3 5G 128GB". Both the "Xiaomi Redmi K30 Ultra 512GB" and the "Xiaomi Mi Mix 3 5G 128GB" can be easily used for this kind of purpose.

If you're using it frequently, for example playing games for a long time or using it to watch movies, you may feel no difference between the two devices. Both the "Xiaomi Redmi K30 Ultra 512GB" and the "Xiaomi Mi Mix 3 5G 128GB" can be easily used for this kind of purpose.

Xiaomi Redmi K30 Ultra 512GB

Xiaomi Mi Mix 3 5G 128GB

Review on the battery life of a phone mainly using Social Networks and the Internet100/100100/100
Review on the battery life of a phone mainly using mainly games and videos100/100100/100

Compare the storage capacity of the "Xiaomi Redmi K30 Ultra 512GB" and "Xiaomi Mi Mix 3 5G 128GB"

The storage capacity of the Xiaomi Redmi K30 Ultra 512GB

The "Xiaomi Redmi K30 Ultra 512GB" has 512.0GB of internal memory.

The storage capacity of the Xiaomi Mi Mix 3 5G 128GB

The "Xiaomi Mi Mix 3 5G 128GB" has 128.0GB of internal memory.

Which has the easier storage to use?

The difference in internal memory is about 384GB. If you are only downloading a few games and apps (such as SNS) to use on your phone, it really doesn't matter if you choose "Xiaomi Redmi K30 Ultra 512GB" or "Xiaomi Mi Mix 3 5G 128GB". If you are hoping to install many different games on their phone, the amount of storage is the same no matter which of these two devices you choose to buy. Both the "Xiaomi Redmi K30 Ultra 512GB" and the "Xiaomi Mi Mix 3 5G 128GB" can be easily used for this kind of purpose.

Because the speed of loading from or saving to the SD card is slow, it is suited for saving pictures or videos.

Xiaomi Redmi K30 Ultra 512GB

Xiaomi Mi Mix 3 5G 128GB

Review on the storage capacity when playing many games93/10090/100
Review on when you store many pictures and videos - -

Which to buy, the "Xiaomi Redmi K30 Ultra 512GB" or "Xiaomi Mi Mix 3 5G 128GB"

At the end of the day which is better, the "Xiaomi Redmi K30 Ultra 512GB" or "Xiaomi Mi Mix 3 5G 128GB"?

When it comes to being easy to handle and carry around, there is hardly any difference between "Xiaomi Redmi K30 Ultra 512GB" and "Xiaomi Mi Mix 3 5G 128GB". If choosing based on screen size, there is hardly any difference between "Xiaomi Redmi K30 Ultra 512GB" and "Xiaomi Mi Mix 3 5G 128GB". There isn't much difference between "Xiaomi Redmi K30 Ultra 512GB" and "Xiaomi Mi Mix 3 5G 128GB" 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.

Xiaomi Redmi K30 Ultra 512GB

Xiaomi Mi Mix 3 5G 128GB

Handling47/10045/100
Display81/10080/100
CPU specs98/10096/100
General rating84/10080/100

Is it recommended to buy the Xiaomi Redmi K30 Ultra 512GB, compared with other smartphones?

Compared to other smartphones, the "Xiaomi Redmi K30 Ultra 512GB" 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 "Xiaomi Redmi K30 Ultra 512GB" is a high-end smart phone.

Is it recommended to buy the Xiaomi Mi Mix 3 5G 128GB, compared with other smartphones?

Compared to other smartphones, the "Xiaomi Mi Mix 3 5G 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 "Xiaomi Mi Mix 3 5G 128GB" is a high-end smart phone.

What are the spec differences between the "Xiaomi Redmi K30 Ultra 512GB" and "Xiaomi Mi Mix 3 5G 128GB" ?

A summary of the technical specifications of the "Xiaomi Redmi K30 Ultra 512GB" and "Xiaomi Mi Mix 3 5G 128GB". Functions and performance variations on the same model will be highlighted in red.

Xiaomi Redmi K30 Ultra 512GBXiaomi Mi Mix 3 5G 128GB
Xiaomi Redmi K30 Ultra 512GBXiaomi Mi Mix 3 5G 128GB
ColorMoonlight White/Midnight Black/Mint GreenSapphire Blue
OSAndroidAndroid
Dimensions (width x height x thickness)75.4mm x 163.3mm x 9.1mm74.7mm x 157.9mm x 9.4mm
Weight213.0g225.0g
Display size6.67inch6.39inch
Display typeAMOLEDSuper AMOLED
Screen resolution (width x height)1080 x 24001080 x 2340
Pixel density394ppi403ppi
Battery capacity4500.0mAh3800.0mAh
ChipsetMediatek Dimensity 1000+Qualcomm SM8150 Snapdragon 855
CPU specs2.6GHz+2.0GHz×8(8.0-cores)2.84GHz+2.42GHz+1.78GHz×8(8.0-cores)
RAM size8.0GB6.0GB
Storage size512.0GB128.0GB
Rear-camera resolution64.0MP12.0MP
Front-camera resolution20.0MP24.0MP

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