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Which one is better, the Microsoft Lumia 640 XL Dual SIM 8GB or Xiaomi Redmi K20 Pro Premium 512GB? We did a deep-dive comparison categorised by purpose of use!

Created date: 2019-09-20 05:12:04, Updated date: 2020-04-16 17:51:32

Xiaomi Redmi K20 Pro Premium 512GBMicrosoft Lumia 640 XL Dual SIM 8GB
Xiaomi Redmi K20 Pro Premium 512GBMicrosoft Lumia 640 XL Dual SIM 8GB

How are the "Xiaomi Redmi K20 Pro Premium 512GB" and "Microsoft Lumia 640 XL Dual SIM 8GB" different? We have tested and evaluated their differences. We also explain which one may be best for you.

Xiaomi Redmi K20 Pro Premium 512GBMicrosoft Lumia 640 XL Dual SIM 8GB
Xiaomi Redmi K20 Pro Premium 512GB

Microsoft Lumia 640 XL Dual SIM 8GB

General rating:
Griprating-image2.6
52/100
rating-image2.4
47/100
Screen qualityrating-image4.0
80/100
rating-image3.1
61/100
Performancerating-image5.0
99/100
rating-image1.4
27/100
Storage sizerating-image4.7
93/100
rating-image1.8
35/100
Batteryrating-image5.0
100/100
rating-image4.1
82/100
Rear-camera resolutionrating-image5.0
100/100
rating-image3.6
72/100
Front-camera resolutionrating-image5.0
100/100
rating-image3.3
65/100

What is the difference between the "Xiaomi Redmi K20 Pro Premium 512GB" and the "Microsoft Lumia 640 XL Dual SIM 8GB"? See a detailed comparison of ease of use and performance

Comparison of weight and size of the "Xiaomi Redmi K20 Pro Premium 512GB" and "Microsoft Lumia 640 XL Dual SIM 8GB"

The design of Xiaomi Redmi K20 Pro Premium 512GB

The "Xiaomi Redmi K20 Pro Premium 512GB" is 156.7mm long, 74.3mm wide, and 8.8mm thick. It weighs 191.0g.

The design of Microsoft Lumia 640 XL Dual SIM 8GB

The "Microsoft Lumia 640 XL Dual SIM 8GB" is 157.9mm long, 81.5mm wide, and 9.0mm thick. It weighs 171.0g.

Which is the better design to use?

In comparison, the size difference is 1.2mm in length, 7.2mm in width, and 0.1mm in thickness. Those who are looking for a phone they can use one-handedly will find the "Xiaomi Redmi K20 Pro Premium 512GB" easier to use and carry around. Flick typing is easier on the "Xiaomi Redmi K20 Pro Premium 512GB", making it relatively more user-friendly. Also, "Xiaomi Redmi K20 Pro Premium 512GB" is more compact than "Microsoft Lumia 640 XL Dual SIM 8GB" and less bulky for the user to carry around.

The difference in weight is 20g. The "Microsoft Lumia 640 XL Dual SIM 8GB" is much lighter, putting less burden on the hand.

Xiaomi Redmi K20 Pro Premium 512GB

Microsoft Lumia 640 XL Dual SIM 8GB

Ease of holding it in one hand64/10049/100
How much it does not feel heavy to hold in one hand25/10038/100
Ease of carrying around60/10052/100

Compare the display of the "Xiaomi Redmi K20 Pro Premium 512GB" and "Microsoft Lumia 640 XL Dual SIM 8GB"

Display of the Xiaomi Redmi K20 Pro Premium 512GB

The "Xiaomi Redmi K20 Pro Premium 512GB" uses a Super AMOLED liquid crystal. The resolution is 1080 x 2340, and the pixel density is 403ppi. The "Xiaomi Redmi K20 Pro Premium 512GB" has a 6.39inch screen size.

Display of the Microsoft Lumia 640 XL Dual SIM 8GB

The "Microsoft Lumia 640 XL Dual SIM 8GB" uses a IPS LCD liquid crystal. The resolution is 720 x 1280, and the pixel density is 257ppi. The "Microsoft Lumia 640 XL Dual SIM 8GB" has a 5.7inch screen size.

Which has a better screen?

This makes a 0.68inch difference in the display sizes. Lining up the displays side by side makes the difference in size clearly visible. "Xiaomi Redmi K20 Pro Premium 512GB" has a bigger display that is easier to use, especially for looking things up on the Internet and using social media. Both the "Xiaomi Redmi K20 Pro Premium 512GB" and the "Microsoft Lumia 640 XL Dual SIM 8GB" can be easily used for this kind of purpose. If you compare how well the different phones support mobile games, the display size of "Xiaomi Redmi K20 Pro Premium 512GB" makes it more suited for playing games. Both the "Xiaomi Redmi K20 Pro Premium 512GB" and the "Microsoft Lumia 640 XL Dual SIM 8GB" can be easily used for this kind of purpose.

In terms of display, the "Xiaomi Redmi K20 Pro Premium 512GB" is a better choice for those looking to use their phone for browsing the web or for gaming. 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. The "Xiaomi Redmi K20 Pro Premium 512GB" also offers a crisp, cleaner display when using a VR headset than the "Microsoft Lumia 640 XL Dual SIM 8GB". The "Microsoft Lumia 640 XL Dual SIM 8GB" has the performance needed for this kind of purpose.

Xiaomi Redmi K20 Pro Premium 512GB

Microsoft Lumia 640 XL Dual SIM 8GB

How suited is the screen for usual usage?79/10073/100
How suited is the screen to play games on?83/10075/100

Compare the camera performances of the "Xiaomi Redmi K20 Pro Premium 512GB" and "Microsoft Lumia 640 XL Dual SIM 8GB"

Camera performance of Xiaomi Redmi K20 Pro Premium 512GB

The main camera of the "Xiaomi Redmi K20 Pro Premium 512GB" has 48.0MP. The front camera has 20.0MP.

Camera performance of Microsoft Lumia 640 XL Dual SIM 8GB

The main camera of the "Microsoft Lumia 640 XL Dual SIM 8GB" has 13.0MP. The front camera has 5.0MP.

Which camera performance is better?

The back cameras thus have a 35MP difference in comparison. The "Xiaomi Redmi K20 Pro Premium 512GB" also functions better for long-shot photos for the perfect group photo or a picturesque shot of a beautiful location. The "Xiaomi Redmi K20 Pro Premium 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 K20 Pro Premium 512GB" and the "Microsoft Lumia 640 XL Dual SIM 8GB" can be easily used for this kind of purpose.

There is a 15MP difference in front camera pixel number. The "Xiaomi Redmi K20 Pro Premium 512GB"'s front camera also works terrifically well with selfie sticks and for capturing distant objects like the background scenery in your selfies. The "Xiaomi Redmi K20 Pro Premium 512GB" has the necessary specs for this kind of purpose. The "Xiaomi Redmi K20 Pro Premium 512GB"'s front camera has a more suitable megapixel count for shooting objects up close for selfies and such.

Xiaomi Redmi K20 Pro Premium 512GB

Microsoft Lumia 640 XL Dual SIM 8GB

Is is suited to taking far away objects with the rear camera?100/10072/100
Is it suited for taking close objects with the built-in camera?100/10065/100

Comparison of the processing capabilities of the "Xiaomi Redmi K20 Pro Premium 512GB" and "Microsoft Lumia 640 XL Dual SIM 8GB"

The processing capability of the Xiaomi Redmi K20 Pro Premium 512GB

Performance is defined by the chipset, and the "Xiaomi Redmi K20 Pro Premium 512GB" uses the Qualcomm SM8150 Snapdragon 855+ SoC. The CPU performance is 2.96GHz+2.42GHz+1.8GHz×8(8.0-cores). The memory capacity is 12.0GB.

The processing capability of the Microsoft Lumia 640 XL Dual SIM 8GB

Performance is defined by the chipset, and the "Microsoft Lumia 640 XL Dual SIM 8GB" uses the Qualcomm MSM8226 Snapdragon 400 SoC. The CPU performance is 1.2GHz×4(4.0-cores). The memory capacity is 1.0GB.

Which has the better processing capability?

As compared to the "Microsoft Lumia 640 XL Dual SIM 8GB", the "Xiaomi Redmi K20 Pro Premium 512GB" boasts boasts a better CPU and specs. This is a 11GB difference in memory capacity. The "Xiaomi Redmi K20 Pro Premium 512GB" has more memory storage, making the "Xiaomi Redmi K20 Pro Premium 512GB" work better for multitasking or running 3D games.

For those who only use their phone's basic features like emailing, instant messaging, or social media, the "Xiaomi Redmi K20 Pro Premium 512GB" is the better choice to buy over the "Microsoft Lumia 640 XL Dual SIM 8GB". Users looking for a phone to meet their web browsing and video playing needs, with the occasional game every now and then, should definitely go for the "Xiaomi Redmi K20 Pro Premium 512GB". The "Xiaomi Redmi K20 Pro Premium 512GB" has the necessary specs for this kind of purpose.

The "Xiaomi Redmi K20 Pro Premium 512GB" runs 2D games and simple 3D games much more smoothly, making it the better choice in this area. Complex, full-fledged 3D games definitely run better on the "Xiaomi Redmi K20 Pro Premium 512GB" than the "Microsoft Lumia 640 XL Dual SIM 8GB". The "Xiaomi Redmi K20 Pro Premium 512GB" has the necessary specs for this kind of purpose, but the "Microsoft Lumia 640 XL Dual SIM 8GB" shows only an unsatisfactory performance.

Xiaomi Redmi K20 Pro Premium 512GB

Microsoft Lumia 640 XL Dual SIM 8GB

Review on the CPU capbility and memory capacity when using Social Networks or the Internet100/10044/100
Review on the CPU speed and the memory capacity while playing 3D games99/10011/100

Comparison of the battery life of the "Xiaomi Redmi K20 Pro Premium 512GB" and "Microsoft Lumia 640 XL Dual SIM 8GB"

Battery performance of Xiaomi Redmi K20 Pro Premium 512GB

The "Xiaomi Redmi K20 Pro Premium 512GB" has a battery capacity of 4000.0mAh.

Battery performance of Microsoft Lumia 640 XL Dual SIM 8GB

The "Microsoft Lumia 640 XL Dual SIM 8GB" has a battery capacity of 3000.0mAh.

Which battery perfomances is better?

This makes a difference in battery capacity of 1000mAh, 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 K20 Pro Premium 512GB" is also a great choice for those who only use their phone for occasional phone calls or for checking the time. For people who tend to use their phone for looking up things on the internet, checking up on social media, or playing the occasional game, I recommend the "Xiaomi Redmi K20 Pro Premium 512GB" over the "Microsoft Lumia 640 XL Dual SIM 8GB". Both the "Xiaomi Redmi K20 Pro Premium 512GB" and the "Microsoft Lumia 640 XL Dual SIM 8GB" can be easily used for this kind of purpose.

The battery life of the "Xiaomi Redmi K20 Pro Premium 512GB" is well equipped to handle long hours of gaming, video playback, and other kinds of frequent daily use. The "Xiaomi Redmi K20 Pro Premium 512GB" has the necessary specs for this kind of purpose.

Xiaomi Redmi K20 Pro Premium 512GB

Microsoft Lumia 640 XL Dual SIM 8GB

Review on the battery life of a phone mainly using Social Networks and the Internet100/10082/100
Review on the battery life of a phone mainly using mainly games and videos100/10065/100

Compare the storage capacity of the "Xiaomi Redmi K20 Pro Premium 512GB" and "Microsoft Lumia 640 XL Dual SIM 8GB"

The storage capacity of the Xiaomi Redmi K20 Pro Premium 512GB

The "Xiaomi Redmi K20 Pro Premium 512GB" has 512.0GB of internal memory.

The storage capacity of the Microsoft Lumia 640 XL Dual SIM 8GB

The "Microsoft Lumia 640 XL Dual SIM 8GB" has 8.0GB 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 504GB. The "Xiaomi Redmi K20 Pro Premium 512GB" offers plenty of storage for those looking to use a few social media apps and games. Avid gamers should look to the "Xiaomi Redmi K20 Pro Premium 512GB" for fulfilling their storage needs, as the "Microsoft Lumia 640 XL Dual SIM 8GB" unfortunately falls behind here. The "Xiaomi Redmi K20 Pro Premium 512GB" has the necessary specs for this kind of purpose, but the "Microsoft Lumia 640 XL Dual SIM 8GB" shows only an unsatisfactory performance.

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

Xiaomi Redmi K20 Pro Premium 512GB

Microsoft Lumia 640 XL Dual SIM 8GB

Review on the storage capacity when playing many games93/10035/100
Review on when you store many pictures and videos - 90/100

Which to buy, the "Xiaomi Redmi K20 Pro Premium 512GB" or "Microsoft Lumia 640 XL Dual SIM 8GB"

At the end of the day which is better, the "Xiaomi Redmi K20 Pro Premium 512GB" or "Microsoft Lumia 640 XL Dual SIM 8GB"?

"Xiaomi Redmi K20 Pro Premium 512GB" is easier for the user to hold and is more compact, and so it is recommended. Its perfect screen size of 6.39inch makes the "Xiaomi Redmi K20 Pro Premium 512GB" a lot easier to use. The "Xiaomi Redmi K20 Pro Premium 512GB" also hands down has the superior specs. Between the "Xiaomi Redmi K20 Pro Premium 512GB" and the "Microsoft Lumia 640 XL Dual SIM 8GB", the "Xiaomi Redmi K20 Pro Premium 512GB" is overall the clear winner.

Xiaomi Redmi K20 Pro Premium 512GB

Microsoft Lumia 640 XL Dual SIM 8GB

Handling52/10047/100
Display80/10061/100
CPU specs99/10027/100
General rating85/10053/100

Is it recommended to buy the Xiaomi Redmi K20 Pro Premium 512GB, compared with other smartphones?

Compared to other smartphones, the "Xiaomi Redmi K20 Pro Premium 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 K20 Pro Premium 512GB" is a high-end smart phone.

Is it recommended to buy the Microsoft Lumia 640 XL Dual SIM 8GB, compared with other smartphones?

Compared to other smartphones, the "Microsoft Lumia 640 XL Dual SIM 8GB" 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 comparable to that of standard smartphones, so it is suited for doing internet searches and browsing or for simple SNS messaging. Also, its specs show that its processing abilities are a bit lower than the average smartphone. This may be okay for people who don't often use their phone, but it's a good idea for people who intend to use it as their main device to choose a smartphone with higher performance capabilities. Judging from the overall specs, the "Microsoft Lumia 640 XL Dual SIM 8GB" is a mid-range smartphone.

What are the spec differences between the "Xiaomi Redmi K20 Pro Premium 512GB" and "Microsoft Lumia 640 XL Dual SIM 8GB" ?

A summary of the technical specifications of the "Xiaomi Redmi K20 Pro Premium 512GB" and "Microsoft Lumia 640 XL Dual SIM 8GB". Functions and performance variations on the same model will be highlighted in red.

Xiaomi Redmi K20 Pro Premium 512GBMicrosoft Lumia 640 XL Dual SIM 8GB
Xiaomi Redmi K20 Pro Premium 512GBMicrosoft Lumia 640 XL Dual SIM 8GB
ColorCarbon black/Flame red/Glacier blue/Summer Honey/Pearl WhiteMatte cyan/Orange/Black/Matte white/Glossy white
OSAndroidWindows
Dimensions (width x height x thickness)74.3mm x 156.7mm x 8.8mm81.5mm x 157.9mm x 9.0mm
Weight191.0g171.0g
Display size6.39inch5.7inch
Display typeSuper AMOLEDIPS LCD
Screen resolution (width x height)1080 x 2340720 x 1280
Pixel density403ppi257ppi
Battery capacity4000.0mAh3000.0mAh
ChipsetQualcomm SM8150 Snapdragon 855+Qualcomm MSM8226 Snapdragon 400
CPU specs2.96GHz+2.42GHz+1.8GHz×8(8.0-cores)1.2GHz×4(4.0-cores)
RAM size12.0GB1.0GB
Storage size512.0GB8.0GB
Rear-camera resolution48.0MP13.0MP
Front-camera resolution20.0MP5.0MP

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