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Asus ROG Phone 3 512GB vs Xiaomi Mi 9 (2019) 256GB: Which is the best?

Created date: 2020-07-21 19:20:47

Asus ROG Phone 3 512GBXiaomi Mi 9 (2019) 256GB
Asus ROG Phone 3 512GBXiaomi Mi 9 (2019) 256GB

Are you having trouble comparing the differences in features and performance of the "Asus ROG Phone 3 512GB" and "Xiaomi Mi 9 (2019) 256GB", 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.

Asus ROG Phone 3 512GBXiaomi Mi 9 (2019) 256GB
Asus ROG Phone 3 512GB

Xiaomi Mi 9 (2019) 256GB

General rating:
Holding comfortrating-image2.7
78.0mm x 171.0mm x 9.9mm
rating-image3.2
74.7mm x 157.5mm x 7.6mm
Weightrating-image2.2
240.0g
rating-image3.1
173.0g
Screen sizerating-image4.5
6.59inch
rating-image4.5
6.39inch
Display qualityrating-image4.1
391ppi
rating-image4.2
403ppi
Battery liferating-image4.3
6000.0mAh
rating-image3.5
3300.0mAh
Processing powerrating-image5.0
3.1GHz+2.42GHz+1.8GHz×8(8.0-cores)
rating-image4.8
2.84GHz+2.42GHz+1.78GHz×8(8.0-cores)
Memory capacityrating-image5.0
16.0GB
rating-image4.7
8.0GB
Storage capacityrating-image4.8
512.0GB
rating-image4.6
256.0GB
Rear camera performancerating-image5.0
64.0MP
rating-image4.9
48.0MP
Front camera performancerating-image4.3
24.0MP
rating-image4.1
20.0MP

"Asus ROG Phone 3 512GB" and "Xiaomi Mi 9 (2019) 256GB", performance comparison

"Asus ROG Phone 3 512GB" and "Xiaomi Mi 9 (2019) 256GB" 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 "Asus ROG Phone 3 512GB" has a width of 78.0mm, a length of 171.0mm, and a thickness of 9.9mm. Also, the "Xiaomi Mi 9 (2019) 256GB" has a width of 74.7mm, a length of 157.5mm, and a thickness of 7.6mm.

Comparing the width and thickness of the body, the "Xiaomi Mi 9 (2019) 256GB" is considerably smaller and more compact than the "Asus ROG Phone 3 512GB". The "Xiaomi Mi 9 (2019) 256GB" excels over the "Asus ROG Phone 3 512GB" in terms of being easier to hold with one hand and is therefore less likely to be accidentally dropped. If you're looking for a smart phone with superior grip and hand fit, we recommend purchasing the "Xiaomi Mi 9 (2019) 256GB" over the "Asus ROG Phone 3 512GB".

Comparing the width and thickness of the body, the "Xiaomi Mi 9 (2019) 256GB" is a more compact size than the "Asus ROG Phone 3 512GB". For that reason the "Xiaomi Mi 9 (2019) 256GB" has higher one-handed operability, and has greater portability, being less likely to get in the way when being carried. For these reasons, we recommend the "Xiaomi Mi 9 (2019) 256GB".

Comparing the overall size of the two devices, the "Xiaomi Mi 9 (2019) 256GB" has a large size compared to the "Asus ROG Phone 3 512GB". For that reason the "Xiaomi Mi 9 (2019) 256GB" is a size that is easier to use in one hand and comfortably carry than the "Asus ROG Phone 3 512GB". That's why we recommend the "Xiaomi Mi 9 (2019) 256GB".

ScoreDimensions (width x height x thickness)
Asus ROG Phone 3 512GB53/10078.0mm x 171.0mm x 9.9mm
Xiaomi Mi 9 (2019) 256GB63/10074.7mm x 157.5mm x 7.6mm

"Asus ROG Phone 3 512GB" and "Xiaomi Mi 9 (2019) 256GB", 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 "Asus ROG Phone 3 512GB" is about 240.0g, and the weight of the "Xiaomi Mi 9 (2019) 256GB" is about 173.0g. Comparing the weight of the two devices, the "Xiaomi Mi 9 (2019) 256GB" is a considerably lighter smart phone than the "Asus ROG Phone 3 512GB", and there is a difference of about 67g. In terms of the burden placed upon your fingers and wrist, the "Xiaomi Mi 9 (2019) 256GB" is superior to the "Asus ROG Phone 3 512GB". If you are going for a smart phone that won't lead to hand fatigue even after extended use, and is less likely to place a burden on your fingers, we recommend purchasing the "Xiaomi Mi 9 (2019) 256GB" over the "Asus ROG Phone 3 512GB".

ScoreWeight
Asus ROG Phone 3 512GB44/100240.0g
Xiaomi Mi 9 (2019) 256GB61/100173.0g

"Asus ROG Phone 3 512GB" and "Xiaomi Mi 9 (2019) 256GB", 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 "Asus ROG Phone 3 512GB" has a 6.59inch display. Also, the "Xiaomi Mi 9 (2019) 256GB" has a 6.39inch display. Comparing the screen size, there is a negligible difference in screen size between the "Asus ROG Phone 3 512GB" and the "Xiaomi Mi 9 (2019) 256GB". 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
Asus ROG Phone 3 512GB90/1006.59inch
Xiaomi Mi 9 (2019) 256GB90/1006.39inch

"Asus ROG Phone 3 512GB" and "Xiaomi Mi 9 (2019) 256GB", 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 "Asus ROG Phone 3 512GB" is 1080 x 2340, and pixel density is 391ppi. Also, the resolution on the "Xiaomi Mi 9 (2019) 256GB" is 1080 x 2340, and pixel density is 403ppi. Comparing the pixel count, the difference in pixel density between the "Asus ROG Phone 3 512GB" and the "Xiaomi Mi 9 (2019) 256GB" 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
Asus ROG Phone 3 512GB82/100391ppi
Xiaomi Mi 9 (2019) 256GB84/100403ppi

"Asus ROG Phone 3 512GB" and "Xiaomi Mi 9 (2019) 256GB", 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 "Asus ROG Phone 3 512GB" is 6000.0mAh, and the "Xiaomi Mi 9 (2019) 256GB" is 3300.0mAh. Regarding battery capacity, the "Asus ROG Phone 3 512GB" has greater battery capacity than the "Xiaomi Mi 9 (2019) 256GB", with a 2700mAh difference. Since the "Asus ROG Phone 3 512GB" can be used for longer periods without recharging than the "Xiaomi Mi 9 (2019) 256GB", it is great for outdoor use. If you want a smartphone with a longer battery life, we recommend the "Asus ROG Phone 3 512GB" over the "Xiaomi Mi 9 (2019) 256GB".

ScoreBattery capacity
Asus ROG Phone 3 512GB86/1006000.0mAh
Xiaomi Mi 9 (2019) 256GB69/1003300.0mAh

"Asus ROG Phone 3 512GB" and "Xiaomi Mi 9 (2019) 256GB", 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 "Asus ROG Phone 3 512GB"'s CPU is a Qualcomm SM8250 Snapdragon 865+, with performance measured at 3.1GHz+2.42GHz+1.8GHz×8(8.0-cores). Also, the "Xiaomi Mi 9 (2019) 256GB"'s CPU is a Qualcomm SM8150 Snapdragon 855, with performance measured at 2.84GHz+2.42GHz+1.78GHz×8(8.0-cores). Comparing CPU performance, there is almost no difference in the specs of the "Asus ROG Phone 3 512GB" and the "Xiaomi Mi 9 (2019) 256GB". 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
Asus ROG Phone 3 512GB99/1003.1GHz+2.42GHz+1.8GHz×8(8.0-cores)
Xiaomi Mi 9 (2019) 256GB96/1002.84GHz+2.42GHz+1.78GHz×8(8.0-cores)

"Asus ROG Phone 3 512GB" and "Xiaomi Mi 9 (2019) 256GB", 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 "Asus ROG Phone 3 512GB" is 16.0GB and the weight of the "Xiaomi Mi 9 (2019) 256GB" is 8.0GB. Comparing the devices in terms of RAM, the "Asus ROG Phone 3 512GB" has more RAM than the "Xiaomi Mi 9 (2019) 256GB", with a difference of about 8GB. For that reason the "Asus ROG Phone 3 512GB" allows for smoother multitasking than the "Xiaomi Mi 9 (2019) 256GB", and apps are less likely to crash. In addition the "Asus ROG Phone 3 512GB" allows for smoother enjoyment of 3D games and VR. For this reason, we recommend the "Asus ROG Phone 3 512GB".

ScoreRAM size
Asus ROG Phone 3 512GB100/10016.0GB
Xiaomi Mi 9 (2019) 256GB93/1008.0GB

"Asus ROG Phone 3 512GB" and "Xiaomi Mi 9 (2019) 256GB", 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 "Asus ROG Phone 3 512GB" is 512.0GB. Also the "Xiaomi Mi 9 (2019) 256GB" is 256.0GB. Regarding storage capacity, there is a negligible difference in storage capacity between the "Asus ROG Phone 3 512GB" and "Xiaomi Mi 9 (2019) 256GB". 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
Asus ROG Phone 3 512GB95/100512.0GB
Xiaomi Mi 9 (2019) 256GB91/100256.0GB

"Asus ROG Phone 3 512GB" and "Xiaomi Mi 9 (2019) 256GB" 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.

"Asus ROG Phone 3 512GB" has a 64.0MP main camera. Also, "Xiaomi Mi 9 (2019) 256GB" has a 48.0MP main camera. Comparing rear camera performance, the "Asus ROG Phone 3 512GB" and "Xiaomi Mi 9 (2019) 256GB" 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
Asus ROG Phone 3 512GB100/10064.0MP
Xiaomi Mi 9 (2019) 256GB97/10048.0MP

"Asus ROG Phone 3 512GB" and "Xiaomi Mi 9 (2019) 256GB", 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.

"Asus ROG Phone 3 512GB" has an 24.0MP front camera and "Xiaomi Mi 9 (2019) 256GB" has an 20.0MP front camera. Comparing rear camera performance, the front camera of the "Asus ROG Phone 3 512GB" has a higher pixel count than the "Xiaomi Mi 9 (2019) 256GB", with a roughly 4MP difference. As a result, the "Asus ROG Phone 3 512GB" is better able to take high quality selfies than the "Xiaomi Mi 9 (2019) 256GB", and the pictures will look cleaner when printed. Therefore, we recommend the "Asus ROG Phone 3 512GB".

ScoreFront-camera resolution
Asus ROG Phone 3 512GB86/10024.0MP
Xiaomi Mi 9 (2019) 256GB81/10020.0MP

"Asus ROG Phone 3 512GB" and "Xiaomi Mi 9 (2019) 256GB", performance comparison by specification sheet

Asus ROG Phone 3 512GBXiaomi Mi 9 (2019) 256GB
ImageAsus ROG Phone 3 512GBXiaomi Mi 9 (2019) 256GB
MakerAsusXiaomi
Release date2020-08-222019-03
ColorBlackLavender Violet/Ocean Blue/Piano Black
OSAndroidAndroid
Dimensions (width x height x thickness)78.0mm x 171.0mm x 9.9mm74.7mm x 157.5mm x 7.6mm
Weight240.0g173.0g
Display size6.59inch6.39inch
Display typeAMOLEDSuper AMOLED
Screen resolution (width x height)1080 x 23401080 x 2340
Pixel density391ppi403ppi
Battery capacity6000.0mAh3300.0mAh
ChipsetQualcomm SM8250 Snapdragon 865+Qualcomm SM8150 Snapdragon 855
CPU specs3.1GHz+2.42GHz+1.8GHz×8(8.0-cores)2.84GHz+2.42GHz+1.78GHz×8(8.0-cores)
RAM size16.0GB8.0GB
Storage size512.0GB256.0GB
Rear-camera resolution64.0MP48.0MP
Front-camera resolution24.0MP20.0MP

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