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Which should you buy, the Vivo X20 Plus UD 128GB or Galaxy S9 Plus SM-G965? We offer a thorough comparison of the differences in functions, specifications and performance between the two

Created date: 2018-02-24 23:21:08, Updated date: 2018-09-30 23:21:08

Vivo X20 Plus UD 128GBGalaxy S9 Plus SM-G965
Vivo X20 Plus UD 128GBGalaxy S9 Plus SM-G965

Here's our thorough comparison of the difference in performance and function between the "Vivo X20 Plus UD 128GB" and "Galaxy S9 Plus SM-G965". Which one should you buy? We'll compare and explain what differs between the "Vivo X20 Plus UD 128GB" and "Galaxy S9 Plus SM-G965" in a way that even people who aren't used to choosing between two similar products can understand.

Vivo X20 Plus UD 128GBGalaxy S9 Plus SM-G965
Vivo X20 Plus UD 128GB

Galaxy S9 Plus SM-G965
General rating:
Holding comfortrating-image2.7
80.0mm x 165.2mm x 7.35mm
rating-image3.3
73.4mm x 155.1mm x 8.1mm
Weightrating-image2.9
181.5g
rating-image2.7
189.0g
Screen sizerating-image4.5
6.43inch
rating-image4.5
6.2inch
Display qualityrating-image4.0
375ppi
rating-image4.4
530ppi
Battery liferating-image3.9
3900.0mAh
rating-image3.6
3500.0mAh
Processing powerrating-image4.5
2.2GHz×8(8.0-cores)
rating-image4.6
2.8GHz+1.7GHz×8(8.0-cores)
Memory capacityrating-image3.5
4.0GB
rating-image4.5
6.0GB
Storage capacityrating-image4.5
128.0GB
rating-image4.6
256.0GB
Rear camera performancerating-image3.0
12.0MP
rating-image3.0
12.0MP
Front camera performancerating-image3.5
12.0MP
rating-image2.9
8.0MP

"Vivo X20 Plus UD 128GB" and "Galaxy S9 Plus SM-G965", performance comparison

"Vivo X20 Plus UD 128GB" and "Galaxy S9 Plus SM-G965" 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 "Vivo X20 Plus UD 128GB" has a width of 80.0mm, a length of 165.2mm, and a thickness of 7.35mm. Also, the "Galaxy S9 Plus SM-G965" has a width of 73.4mm, a length of 155.1mm, and a thickness of 8.1mm.

Comparing the width and thickness of the body, the "Galaxy S9 Plus SM-G965" is considerably smaller and more compact than the "Vivo X20 Plus UD 128GB". The "Galaxy S9 Plus SM-G965" excels over the "Vivo X20 Plus UD 128GB" 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 "Galaxy S9 Plus SM-G965" over the "Vivo X20 Plus UD 128GB".

Comparing the width and thickness of the body, there isn't a large difference in size between the "Vivo X20 Plus UD 128GB" and the "Galaxy S9 Plus SM-G965". 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 "Galaxy S9 Plus SM-G965" has a large size compared to the "Vivo X20 Plus UD 128GB". For that reason the "Galaxy S9 Plus SM-G965" is a size that is easier to use in one hand and comfortably carry than the "Vivo X20 Plus UD 128GB". That's why we recommend the "Galaxy S9 Plus SM-G965".

ScoreDimensions (width x height x thickness)
Vivo X20 Plus UD 128GB54/10080.0mm x 165.2mm x 7.35mm
Galaxy S9 Plus SM-G96565/10073.4mm x 155.1mm x 8.1mm

"Vivo X20 Plus UD 128GB" and "Galaxy S9 Plus SM-G965", 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 "Vivo X20 Plus UD 128GB" is about 181.5g, and the weight of the "Galaxy S9 Plus SM-G965" is about 189.0g. Comparing the weight of the two devices, there isn't much difference in weight between the "Vivo X20 Plus UD 128GB" and "Galaxy S9 Plus SM-G965". That's why the likelihood of fatigue in the fingers and wrists after extended use is about the same for both. That's why it is better to compare the two in terms of other aspects of performance and functionality.

ScoreWeight
Vivo X20 Plus UD 128GB57/100181.5g
Galaxy S9 Plus SM-G96554/100189.0g

"Vivo X20 Plus UD 128GB" and "Galaxy S9 Plus SM-G965", 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 "Vivo X20 Plus UD 128GB" has a 6.43inch display. Also, the "Galaxy S9 Plus SM-G965" has a 6.2inch display. Comparing the screen size, there is a negligible difference in screen size between the "Vivo X20 Plus UD 128GB" and the "Galaxy S9 Plus SM-G965". 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
Vivo X20 Plus UD 128GB90/1006.43inch
Galaxy S9 Plus SM-G96590/1006.2inch

"Vivo X20 Plus UD 128GB" and "Galaxy S9 Plus SM-G965", 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 "Vivo X20 Plus UD 128GB" is 2160 x 1080, and pixel density is 375ppi. Also, the resolution on the "Galaxy S9 Plus SM-G965" is 1440 x 2960, and pixel density is 530ppi. Comparing the pixel count, the "Galaxy S9 Plus SM-G965" has a higher pixel density than the "Vivo X20 Plus UD 128GB", with a difference of roughly 155ppi. As a result, images and videos on the "Galaxy S9 Plus SM-G965" have better picture quality than on the "Vivo X20 Plus UD 128GB", and the former is also easier on the eyes. Therefore, we recommend the "Galaxy S9 Plus SM-G965".

ScorePixel density
Vivo X20 Plus UD 128GB79/100375ppi
Galaxy S9 Plus SM-G96588/100530ppi

"Vivo X20 Plus UD 128GB" and "Galaxy S9 Plus SM-G965", 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 "Vivo X20 Plus UD 128GB" is 3900.0mAh, and the "Galaxy S9 Plus SM-G965" is 3500.0mAh. Regarding battery capacity, the "Vivo X20 Plus UD 128GB" has greater battery capacity than the "Galaxy S9 Plus SM-G965", with a 400mAh difference. If battery is a priority, then the "Vivo X20 Plus UD 128GB" is recommended over the "Galaxy S9 Plus SM-G965".

ScoreBattery capacity
Vivo X20 Plus UD 128GB78/1003900.0mAh
Galaxy S9 Plus SM-G96572/1003500.0mAh

"Vivo X20 Plus UD 128GB" and "Galaxy S9 Plus SM-G965", 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 "Vivo X20 Plus UD 128GB"'s CPU is a Qualcomm 4napdragon 660, with performance measured at 2.2GHz×8(8.0-cores). Also, the "Galaxy S9 Plus SM-G965"'s CPU is a Qualcomm Snapdragon 845, with performance measured at 2.8GHz+1.7GHz×8(8.0-cores). Comparing CPU performance, there is almost no difference in the specs of the "Vivo X20 Plus UD 128GB" and the "Galaxy S9 Plus SM-G965". 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
Vivo X20 Plus UD 128GB90/1002.2GHz×8(8.0-cores)
Galaxy S9 Plus SM-G96591/1002.8GHz+1.7GHz×8(8.0-cores)

"Vivo X20 Plus UD 128GB" and "Galaxy S9 Plus SM-G965", 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 "Vivo X20 Plus UD 128GB" is 4.0GB and the weight of the "Galaxy S9 Plus SM-G965" is 6.0GB. Comparing the devices in terms of RAM, the "Galaxy S9 Plus SM-G965" has a significantly larger amount of RAM than the "Vivo X20 Plus UD 128GB", with a difference of about 2GB. In terms of the unlikeliness of crashing and the ease of multitasking, 3D games and VR, the "Galaxy S9 Plus SM-G965" is superior to the "Vivo X20 Plus UD 128GB". 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 "Galaxy S9 Plus SM-G965" over the "Vivo X20 Plus UD 128GB".

ScoreRAM size
Vivo X20 Plus UD 128GB70/1004.0GB
Galaxy S9 Plus SM-G96590/1006.0GB

"Vivo X20 Plus UD 128GB" and "Galaxy S9 Plus SM-G965", 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 "Vivo X20 Plus UD 128GB" is 128.0GB. Also the "Galaxy S9 Plus SM-G965" is 256.0GB. Regarding storage capacity, there is a negligible difference in storage capacity between the "Vivo X20 Plus UD 128GB" and "Galaxy S9 Plus SM-G965". 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
Vivo X20 Plus UD 128GB90/100128.0GB
Galaxy S9 Plus SM-G96591/100256.0GB

"Vivo X20 Plus UD 128GB" and "Galaxy S9 Plus SM-G965" 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.

"Vivo X20 Plus UD 128GB" has a 12.0MP main camera. Also, "Galaxy S9 Plus SM-G965" has a 12.0MP main camera. Comparing rear camera performance, the "Vivo X20 Plus UD 128GB" and "Galaxy S9 Plus SM-G965" 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
Vivo X20 Plus UD 128GB59/10012.0MP
Galaxy S9 Plus SM-G96559/10012.0MP

"Vivo X20 Plus UD 128GB" and "Galaxy S9 Plus SM-G965", 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.

"Vivo X20 Plus UD 128GB" has an 12.0MP front camera and "Galaxy S9 Plus SM-G965" has an 8.0MP front camera. Comparing rear camera performance, the front camera of the "Vivo X20 Plus UD 128GB" has a much higher pixel count compared to the "Galaxy S9 Plus SM-G965", with a roughly 4MP difference. As a result, the "Vivo X20 Plus UD 128GB" is more suited than the "Galaxy S9 Plus SM-G965" for shooting videos and taking pictures. If you are looking for a smartphone that is suited for shooting high resolution selfies which will look clean when printed, we recommend the "Vivo X20 Plus UD 128GB" over the "Galaxy S9 Plus SM-G965".

ScoreFront-camera resolution
Vivo X20 Plus UD 128GB70/10012.0MP
Galaxy S9 Plus SM-G96558/1008.0MP

"Vivo X20 Plus UD 128GB" and "Galaxy S9 Plus SM-G965", performance comparison by specification sheet

Vivo X20 Plus UD 128GBGalaxy S9 Plus SM-G965
ImageVivo X20 Plus UD 128GBGalaxy S9 Plus SM-G965
MakerVivoSamsung
Release date2018-012018-03-16
ColorBlackBlack
OSAndroidAndroid
Dimensions (width x height x thickness)80.0mm x 165.2mm x 7.35mm73.4mm x 155.1mm x 8.1mm
Weight181.5g189.0g
Display size6.43inch6.2inch
Display typeAMOLEDInfinity Display Super AMOLED
Screen resolution (width x height)2160 x 10801440 x 2960
Pixel density375ppi530ppi
Battery capacity3900.0mAh3500.0mAh
ChipsetQualcomm 4napdragon 660Qualcomm Snapdragon 845
CPU specs2.2GHz×8(8.0-cores)2.8GHz+1.7GHz×8(8.0-cores)
RAM size4.0GB6.0GB
Storage size128.0GB256.0GB
Rear-camera resolution12.0MP12.0MP
Front-camera resolution12.0MP8.0MP

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