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Which should you buy, the Xiaomi Mi 4 (2014) 64GB or QMobile Energy X2 16GB? We offer a thorough comparison of the differences in functions, specifications and performance between the two

Created date: 2018-09-30 22:47:15, Updated date: 2021-10-20 22:02:21

Xiaomi Mi 4 (2014) 64GBQMobile Energy X2 16GB
Xiaomi Mi 4 (2014) 64GBQMobile Energy X2 16GB

Are you having trouble comparing the differences in features and performance of the "Xiaomi Mi 4 (2014) 64GB" and "QMobile Energy X2 16GB", 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.

Xiaomi Mi 4 (2014) 64GBQMobile Energy X2 16GB
Xiaomi Mi 4 (2014) 64GB

QMobile Energy X2 16GB

General rating:
Holding comfortrating-image3.6
72/100
rating-image3.1
62/100
Weightrating-image3.5
70/100
rating-image2.8
56/100
Screen sizerating-image3.7
74/100
rating-image3.7
74/100
Display qualityrating-image4.3
85/100
rating-image3.0
59/100
Battery liferating-image3.3
66/100
rating-image4.2
83/100
Processing powerrating-image3.4
67/100
rating-image1.8
36/100
Memory capacityrating-image3.0
60/100
rating-image2.5
50/100
Storage capacityrating-image3.4
67/100
rating-image2.5
50/100
Rear camera performancerating-image3.1
61/100
rating-image2.5
50/100
Front camera performancerating-image2.9
58/100
rating-image2.5
50/100

"Xiaomi Mi 4 (2014) 64GB" and "QMobile Energy X2 16GB", performance comparison

"Xiaomi Mi 4 (2014) 64GB" and "QMobile Energy X2 16GB" 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 "Xiaomi Mi 4 (2014) 64GB" has a width of 68.5mm, a length of 139.2mm, and a thickness of 8.9mm. Also, the "QMobile Energy X2 16GB" has a width of 73.0mm, a length of 143.0mm, and a thickness of 9.9mm.

Comparing the width and thickness of the body, the "Xiaomi Mi 4 (2014) 64GB" is smaller and more compact compared to the "QMobile Energy X2 16GB". For that reason, the "Xiaomi Mi 4 (2014) 64GB" is easier to grip firmly and carry one-handed than the "QMobile Energy X2 16GB". For that reason, we recommend the "Xiaomi Mi 4 (2014) 64GB".

Comparing the width and thickness of the body, there isn't a large difference in size between the "Xiaomi Mi 4 (2014) 64GB" and the "QMobile Energy X2 16GB". 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, the "Xiaomi Mi 4 (2014) 64GB" has a large size compared to the "QMobile Energy X2 16GB". For that reason the "Xiaomi Mi 4 (2014) 64GB" is a size that is easier to use in one hand and comfortably carry than the "QMobile Energy X2 16GB". That's why we recommend the "Xiaomi Mi 4 (2014) 64GB".

ScoreDimensions (width x height x thickness)
Xiaomi Mi 4 (2014) 64GB72/10068.5mm x 139.2mm x 8.9mm
QMobile Energy X2 16GB62/10073.0mm x 143.0mm x 9.9mm

"Xiaomi Mi 4 (2014) 64GB" and "QMobile Energy X2 16GB", 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 "Xiaomi Mi 4 (2014) 64GB" is about 149.0g, and the weight of the "QMobile Energy X2 16GB" is about 184.0g. Comparing the weight of the two devices, the "Xiaomi Mi 4 (2014) 64GB" is a considerably lighter smart phone than the "QMobile Energy X2 16GB", and there is a difference of about 35g. In terms of the burden placed upon your fingers and wrist, the "Xiaomi Mi 4 (2014) 64GB" is superior to the "QMobile Energy X2 16GB". 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 4 (2014) 64GB" over the "QMobile Energy X2 16GB".

ScoreWeight
Xiaomi Mi 4 (2014) 64GB70/100149.0g
QMobile Energy X2 16GB56/100184.0g

"Xiaomi Mi 4 (2014) 64GB" and "QMobile Energy X2 16GB", 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 "Xiaomi Mi 4 (2014) 64GB" has a 5.0inch display. Also, the "QMobile Energy X2 16GB" has a 5.0inch display. Comparing the screen size, there is a negligible difference in screen size between the "Xiaomi Mi 4 (2014) 64GB" and the "QMobile Energy X2 16GB". 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
Xiaomi Mi 4 (2014) 64GB74/1005.0inch
QMobile Energy X2 16GB74/1005.0inch

"Xiaomi Mi 4 (2014) 64GB" and "QMobile Energy X2 16GB", 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 "Xiaomi Mi 4 (2014) 64GB" is 1080 x 1920, and pixel density is 440ppi. Also, the resolution on the "QMobile Energy X2 16GB" is 720 x 1280, and pixel density is 293ppi. Comparing the pixel count, the "Xiaomi Mi 4 (2014) 64GB" has much higher pixel density than the "QMobile Energy X2 16GB", with a difference of roughly 147ppi. In terms of having better picture quality and exerting less strain on the eyes, the "Xiaomi Mi 4 (2014) 64GB" is superior to the "QMobile Energy X2 16GB". If you are looking for a smartphone that is easy on the eyes, displaying texts and pictures clearly without any blurring, we recommend the "Xiaomi Mi 4 (2014) 64GB" over the "QMobile Energy X2 16GB".

ScorePixel density
Xiaomi Mi 4 (2014) 64GB85/100440ppi
QMobile Energy X2 16GB59/100293ppi

"Xiaomi Mi 4 (2014) 64GB" and "QMobile Energy X2 16GB", 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 "Xiaomi Mi 4 (2014) 64GB" is 3080.0mAh, and the "QMobile Energy X2 16GB" is 5000.0mAh. Regarding battery capacity, the "QMobile Energy X2 16GB" has greater battery capacity than the "Xiaomi Mi 4 (2014) 64GB", with a 1920mAh difference. Since the "QMobile Energy X2 16GB" can be used for longer periods without recharging than the "Xiaomi Mi 4 (2014) 64GB", it is great for outdoor use. If you want a smartphone with a longer battery life, we recommend the "QMobile Energy X2 16GB" over the "Xiaomi Mi 4 (2014) 64GB".

ScoreBattery capacity
Xiaomi Mi 4 (2014) 64GB66/1003080.0mAh
QMobile Energy X2 16GB83/1005000.0mAh

"Xiaomi Mi 4 (2014) 64GB" and "QMobile Energy X2 16GB", 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 "Xiaomi Mi 4 (2014) 64GB"'s CPU is a Qualcomm MSM8974AC Snapdragon 801, with performance measured at 2.5GHz×4(4.0-cores). Also, the "QMobile Energy X2 16GB"'s CPU is a Mediatek MT6580M, with performance measured at 1.3GHz×4(4.0-cores). Comparing CPU performance, the "Xiaomi Mi 4 (2014) 64GB" has considerably higher specs than the "QMobile Energy X2 16GB". In terms of being able to comfortably play games and run apps smoothly, the "Xiaomi Mi 4 (2014) 64GB" is superior to the "QMobile Energy X2 16GB". If you're going for a high spec smart phone that runs smoothly and comfortably handles games, we recommend purchasing the "Xiaomi Mi 4 (2014) 64GB" over the "QMobile Energy X2 16GB".

ScoreCPU specs
Xiaomi Mi 4 (2014) 64GB67/1002.5GHz×4(4.0-cores)
QMobile Energy X2 16GB36/1001.3GHz×4(4.0-cores)

"Xiaomi Mi 4 (2014) 64GB" and "QMobile Energy X2 16GB", 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 "Xiaomi Mi 4 (2014) 64GB" is 3.0GB and the weight of the "QMobile Energy X2 16GB" is 2.0GB. Comparing the devices in terms of RAM, the "Xiaomi Mi 4 (2014) 64GB" has a significantly larger amount of RAM than the "QMobile Energy X2 16GB", with a difference of about 1GB. In terms of the unlikeliness of crashing and the ease of multitasking, 3D games and VR, the "Xiaomi Mi 4 (2014) 64GB" is superior to the "QMobile Energy X2 16GB". If you're looking for a smart phone that can run multiple apps simultaneously with stability and also allows you to comfortably enjoy 3D games and VR, then we recommend purchasing the "Xiaomi Mi 4 (2014) 64GB" over the "QMobile Energy X2 16GB".

ScoreRAM size
Xiaomi Mi 4 (2014) 64GB60/1003.0GB
QMobile Energy X2 16GB50/1002.0GB

"Xiaomi Mi 4 (2014) 64GB" and "QMobile Energy X2 16GB", 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 "Xiaomi Mi 4 (2014) 64GB" is 64.0GB. Also the "QMobile Energy X2 16GB" is 16.0GB. Regarding storage capacity, the "Xiaomi Mi 4 (2014) 64GB" has a much larger data storage capacity compared to the "QMobile Energy X2 16GB", with a roughly 48GB difference. In terms of the number of pictures you can save and the applications that you can install, the "Xiaomi Mi 4 (2014) 64GB" is superior to the "QMobile Energy X2 16GB". If you are looking for a smartphone that can save more data, we recommend the "Xiaomi Mi 4 (2014) 64GB" over the "QMobile Energy X2 16GB".

ScoreStorage size
Xiaomi Mi 4 (2014) 64GB67/10064.0GB
QMobile Energy X2 16GB50/10016.0GB

"Xiaomi Mi 4 (2014) 64GB" and "QMobile Energy X2 16GB" 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.

"Xiaomi Mi 4 (2014) 64GB" has a 13.0MP main camera. Also, "QMobile Energy X2 16GB" has a 8.0MP main camera. Comparing rear camera performance, the "Xiaomi Mi 4 (2014) 64GB" has a much higher pixel count compared to the "QMobile Energy X2 16GB", with a roughly 5MP difference. In terms of taking or shooting high resolution pictures or videos that will look clean when printed, the "Xiaomi Mi 4 (2014) 64GB" is superior to the "QMobile Energy X2 16GB". If you are looking for a smartphone that is suited for shooting videos and taking pictures, we recommend the "Xiaomi Mi 4 (2014) 64GB" over the "QMobile Energy X2 16GB".

ScoreRear-camera resolution
Xiaomi Mi 4 (2014) 64GB61/10013.0MP
QMobile Energy X2 16GB50/1008.0MP

"Xiaomi Mi 4 (2014) 64GB" and "QMobile Energy X2 16GB", 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.

"Xiaomi Mi 4 (2014) 64GB" has an 8.0MP front camera and "QMobile Energy X2 16GB" has an 5.0MP front camera. Comparing rear camera performance, the front camera of the "Xiaomi Mi 4 (2014) 64GB" has a higher pixel count than the "QMobile Energy X2 16GB", with a roughly 3MP difference. As a result, the "Xiaomi Mi 4 (2014) 64GB" is better able to take high quality selfies than the "QMobile Energy X2 16GB", and the pictures will look cleaner when printed. Therefore, we recommend the "Xiaomi Mi 4 (2014) 64GB".

ScoreFront-camera resolution
Xiaomi Mi 4 (2014) 64GB58/1008.0MP
QMobile Energy X2 16GB50/1005.0MP

"Xiaomi Mi 4 (2014) 64GB" and "QMobile Energy X2 16GB", performance comparison by specification sheet

Xiaomi Mi 4 (2014) 64GBQMobile Energy X2 16GB
ImageXiaomi Mi 4 (2014) 64GBQMobile Energy X2 16GB
MakerXiaomiQMobile
Release date2014-082017-02
ColorBlack/WhiteGold/Silver/Gray
OSAndroidAndroid
Dimensions (width x height x thickness)68.5mm x 139.2mm x 8.9mm73.0mm x 143.0mm x 9.9mm
Weight149.0g184.0g
Display size5.0inch5.0inch
Display typeIPS LCDIPS LCD
Screen resolution (width x height)1080 x 1920720 x 1280
Pixel density440ppi293ppi
Battery capacity3080.0mAh5000.0mAh
ChipsetQualcomm MSM8974AC Snapdragon 801Mediatek MT6580M
CPU specs2.5GHz×4(4.0-cores)1.3GHz×4(4.0-cores)
RAM size3.0GB2.0GB
Storage size64.0GB16.0GB
Rear-camera resolution13.0MP8.0MP
Front-camera resolution8.0MP5.0MP

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