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Compare vivo iQOO U1 128GB vs Samsung Galaxy S9 256GB

Created date: 2020-07-26 13:39:21

vivo iQOO U1 128GBSamsung Galaxy S9 256GB
vivo iQOO U1 128GBSamsung Galaxy S9 256GB

Here's our thorough comparison of the difference in performance and function between the "vivo iQOO U1 128GB" and "Samsung Galaxy S9 256GB". Which one should you buy? We'll compare and explain what differs between the "vivo iQOO U1 128GB" and "Samsung Galaxy S9 256GB" in a way that even people who aren't used to choosing between two similar products can understand.

vivo iQOO U1 128GBSamsung Galaxy S9 256GB
vivo iQOO U1 128GB

Samsung Galaxy S9 256GB

General rating:

74.8/100

(The 3279th of all smartphones)

73.2/100

(The 1023th of all smartphones)

Portability
58/100
73/100
Weight
54/100
65/100
Size of screen
90/100
86/100
Screen clarity
83/100
89/100
Battery duration
81/100
65/100
Processing capability
92/100
89/100
Memory capacity
93/100
70/100
Storage capacity
90/100
91/100
Rear camera function
97/100
59/100
Front camera function
58/100
58/100

Compare Performance and Usability

Size comparison of "vivo iQOO U1 128GB" and "Samsung Galaxy S9 256GB". Which one would you choose?

Your device's size has a huge influence on how easy it is to hold or to operate with one hand. The smaller your device's width, the easier it will be to hold, but you'll also need to take device thickness into account. And when the length and width are both smaller, you'll find that it's much easier for you to operate it one-handed, since your fingers will find it much easier to reach where you want them to. On the other hand, longer lengths and wider widths might lead to devices that are hard to carry in your pocket, bulky even when you keep them in your bag, and all around less portable.

The "vivo iQOO U1 128GB" is 76.6mm wide, 162.1mm tall, and 8.5mm thick. The "Samsung Galaxy S9 256GB" is 68.7mm tall, 147.7mm wide, and 8.5mm thick.

The "Samsung Galaxy S9 256GB" is also more compact than the "vivo iQOO U1 128GB" in terms of the thickness of the devices. The "Samsung Galaxy S9 256GB" is easier than the "vivo iQOO U1 128GB" to hold with one hand, and you are less likely to accidentally drop it. If you're looking for a smartphone that fits nicely in your hand and can be gripped firmly, we recommend buying the "Samsung Galaxy S9 256GB" rather than the "vivo iQOO U1 128GB".

Comparing the width and height of the main unit, the "Samsung Galaxy S9 256GB" is smaller and more compact than the "vivo iQOO U1 128GB". As a result, the "Samsung Galaxy S9 256GB" is easier to operate with one hand and it is more portable without getting in your way than the "vivo iQOO U1 128GB". Therefore, the "Samsung Galaxy S9 256GB" is recommended.

Comparing the overall sizes, the "Samsung Galaxy S9 256GB" is significantly smaller than the "vivo iQOO U1 128GB". The "Samsung Galaxy S9 256GB" is more convenient than the "vivo iQOO U1 128GB" to use with one hand, and it is less likely to get in your way when not using it. If you prefer a smartphone that is easy to carry around and easy to use with one hand, we recommend that you buy the "Samsung Galaxy S9 256GB" rather than the "vivo iQOO U1 128GB".

ScoreDimensions (width x height x thickness)
vivo iQOO U1 128GB58/10076.6mm x 162.1mm x 8.5mm
Samsung Galaxy S9 256GB73/10068.7mm x 147.7mm x 8.5mm

Which one is easier to hold, "vivo iQOO U1 128GB" or "Samsung Galaxy S9 256GB"? Compare weight

The device weight will effect how quickly you tire from holding it, and how much stress is put on your wrist. The lighter it is, the longer you can hold it without feeling tired. Also, less stress on your wrist will make using it easier and more pleasant. Unless the weight is right for you, it might put too much strain on your body and make using it more stressful.

The "vivo iQOO U1 128GB" weighs 190.0g. The "Samsung Galaxy S9 256GB" clocks in at 163.0g. If you compare the weight of the two, the "Samsung Galaxy S9 256GB" is a considerably lighter smartphone than the "vivo iQOO U1 128GB", with a difference of about 27g. Because of this, the "Samsung Galaxy S9 256GB" puts less of a burden on the fingers and wrists than the "vivo iQOO U1 128GB". If you want a smartphone that won't tire your hands out even when using it for a long time, we recommend that you buy the "Samsung Galaxy S9 256GB" rather than the "vivo iQOO U1 128GB".

ScoreWeight
vivo iQOO U1 128GB54/100190.0g
Samsung Galaxy S9 256GB65/100163.0g

Which is better in terms of display, "vivo iQOO U1 128GB" or "Samsung Galaxy S9 256GB"?

Screen size influences how well you can control your device, as well as how clear the display is. With a large screen, the text and buttons in apps will display large enough so you'll be less likely to accidentally tap the button next to the one you were aiming for. Plus, you'll be able to enjoy more high-impact visuals for games and movies.

The screen size on the "vivo iQOO U1 128GB" is 6.53inch, and 5.8inch on the "Samsung Galaxy S9 256GB". The screens of the "vivo iQOO U1 128GB" and "Samsung Galaxy S9 256GB" are roughly the same size, and so the ease of pressing app buttons are the same on both devices. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreDisplay size
vivo iQOO U1 128GB90/1006.53inch
Samsung Galaxy S9 256GB86/1005.8inch

Which one has a better display, "vivo iQOO U1 128GB" or "Samsung Galaxy S9 256GB"?

Pixel density influences how nice your device's screen looks, with high pixel densities making screens look more beautiful, and letting you get more out of your games and movies. Plus, the nicer you screen looks, the less strain you'll be putting on your eyes, so you'll tend to be able to use your device for longer before your eyes get tired.

The screen on the "vivo iQOO U1 128GB" has a 1080 x 2340 resolution and a pixel density of 394ppi. The "Samsung Galaxy S9 256GB", on the other hand, has a screen resolution of 1440 x 2960 and a pixel density of 567ppi. Comparing the number of pixels on the screen, the pixel density of the "Samsung Galaxy S9 256GB" is higher than the "vivo iQOO U1 128GB", with a difference of approximately 173ppi. Therefor, the "Samsung Galaxy S9 256GB" is better able to display images and videos than the "vivo iQOO U1 128GB", and is easier on the eyes. For this reason, the "Samsung Galaxy S9 256GB" is recommended.

ScorePixel density
vivo iQOO U1 128GB83/100394ppi
Samsung Galaxy S9 256GB89/100567ppi

How is the battery duration of "vivo iQOO U1 128GB" different from that of "Samsung Galaxy S9 256GB" ? See the differences

Battery performance has a big effect on the battery life of your device. However, a high battery capacity doesn't necessarily mean a long battery life. Rather, the rate of power consumption needs to be taken into consideration as well. The larger the screen and the higher the CPU performance, the higher the rate of power consumption on your battery.

The "vivo iQOO U1 128GB" has a battery capacity of 4500.0mAh, while the "Samsung Galaxy S9 256GB" has a 3000.0mAh battery. With regards to battery performance, the "vivo iQOO U1 128GB" has a substantially larger battery capacity than the "Samsung Galaxy S9 256GB", with a difference of 1500mAh. The "vivo iQOO U1 128GB" can be used without charging for a longer time than the "Samsung Galaxy S9 256GB", so it can be used when out and about. If you want a smartphone with a longer-lasting battery, we recommend that you buy the "vivo iQOO U1 128GB" rather than the "Samsung Galaxy S9 256GB".

ScoreBattery capacity
vivo iQOO U1 128GB81/1004500.0mAh
Samsung Galaxy S9 256GB65/1003000.0mAh

Which is better in terms of CPU function, "vivo iQOO U1 128GB" or "Samsung Galaxy S9 256GB"?

Your CPU's speed will influence the processing power of the applications you run, and together with the number of cores in the CPU, as well as its clock frequency, will determine the processing power available for apps. The higher these performance factors, the smoother your games and apps will run. Conversely, if these factors are too low, your apps and games will be sluggish and struggle to run.

The "vivo iQOO U1 128GB" is equipped with a Qualcomm SM7125 Snapdragon 720G processor, and its performance speed is 2.3GHz+1.8GHz×8(8.0-cores). The "Samsung Galaxy S9 256GB" uses an Exynos 9810 CPU that performs at a speed of 2.7GHz+1.8GHz×8(8.0-cores). There is also no real discrepancy between the CPU performances of the "vivo iQOO U1 128GB" and "Samsung Galaxy S9 256GB". Because of this, both phones will feel practically identical in terms of smoothness when running apps and ease of game play. This is why it is better to compare them based on other aspects of performance and function.

ScoreCPU specs
vivo iQOO U1 128GB92/1002.3GHz+1.8GHz×8(8.0-cores)
Samsung Galaxy S9 256GB89/1002.7GHz+1.8GHz×8(8.0-cores)

How is "vivo iQOO U1 128GB" different from "Samsung Galaxy S9 256GB" in terms of memory capacity?

Your device's multimedia performance and app stability are both influenced by the amount of memory it has available. The more memory, the more apps you can use simultaneously, while keeping everything stable and smooth. Plus, there'll be less chance of animations lagging or apps crashing. You also need to keep in mind that some games won't run at all if there's not enough memory available.

The "vivo iQOO U1 128GB" has 8.0GB of memory. The "Samsung Galaxy S9 256GB", on the other hand, has 4.0GB. As for memory performance, the "vivo iQOO U1 128GB" has a larger memory capacity than the "Samsung Galaxy S9 256GB", with a difference of about 4GB. The "vivo iQOO U1 128GB" has better multitasking, less crashing, and runs 3D games and VR video better than the "Samsung Galaxy S9 256GB". If you're looking for a smartphone that will remain stable even when you are using multiple apps at the same time, and which will allow you to play 3D games and VR video comfortably, we recommend that you buy the "vivo iQOO U1 128GB" rather than the "Samsung Galaxy S9 256GB".

ScoreRAM size
vivo iQOO U1 128GB93/1008.0GB
Samsung Galaxy S9 256GB70/1004.0GB

Which has a better storage capacity, "vivo iQOO U1 128GB" or "Samsung Galaxy S9 256GB"?

Storage capacity determines the amount of data you'll be able to save on your device. The more storage you have, the more photos you can take and the more apps you can install. Plus, if your smartphone is compatible with SD cards, then you can increase the amount of available storage. However, SD cards have a slower writespeed, making them less desirable in terms of performance, and users should be aware that it won't be possible to transfer all kinds of data to the card.

The "vivo iQOO U1 128GB" has 128.0GB of storage, while the "Samsung Galaxy S9 256GB" has 256.0GB. There is no real difference between the "vivo iQOO U1 128GB"and "Samsung Galaxy S9 256GB" 's ROMs and storage capacities, so both can store roughly the same amount of photographs and apps. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreStorage size
vivo iQOO U1 128GB90/100128.0GB
Samsung Galaxy S9 256GB91/100256.0GB

Compare the rear cameras of "vivo iQOO U1 128GB" and "Samsung Galaxy S9 256GB". Which one has better picture quality?

One factor in how well your rear camera (the camera on the back of your device) performs is its megapixel count. With a higher megapixel count, you'll be able to take photos with sharper detail, photos that stay clear and sharp even when printed.

The main camera on the "vivo iQOO U1 128GB" has 48.0MP. The "Samsung Galaxy S9 256GB" has 12.0MP. The rear-facing camera of the "vivo iQOO U1 128GB" also has a higher pixel count than the "Samsung Galaxy S9 256GB", with a difference of about 36MP. The "vivo iQOO U1 128GB" is more capable than the "Samsung Galaxy S9 256GB" of taking high-definition photos and videos, and produces better results when printing out the photos you have taken. If you want a smartphone that is designed for video and photography, we recommend buying the "vivo iQOO U1 128GB" rather than the "Samsung Galaxy S9 256GB".

ScoreRear-camera resolution
vivo iQOO U1 128GB97/10048.0MP
Samsung Galaxy S9 256GB59/10012.0MP

Which has a front camera with better picture quality, "vivo iQOO U1 128GB" or "Samsung Galaxy S9 256GB"?

One indication of how well your forward facing camera (the camera on the same side as your device's screen) performs is how many megapixels it has. More megapixels means you'll be able to take photos with sharper detail, that still look amazing printed out.

The forward-facing camera on the "vivo iQOO U1 128GB" has a resolution of 8.0MP. The "Samsung Galaxy S9 256GB"'s has 8.0MP. There is little difference between the camera capabilities and the pixel density of the "vivo iQOO U1 128GB" and "Samsung Galaxy S9 256GB"'s front facing cameras, so the quality of photographs and video footage is virtually the same. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreFront-camera resolution
vivo iQOO U1 128GB58/1008.0MP
Samsung Galaxy S9 256GB58/1008.0MP

Compare Performance Specs

vivo iQOO U1 128GBSamsung Galaxy S9 256GB
Imagevivo iQOO U1 128GBSamsung Galaxy S9 256GB
MakervivoSamsung
Release date2020-07-232018-03
ColorBlack/Blue/WhiteMidnight Black/Coral Blue/Titanium Gray/Lilac Purple/Burgundy Red/Sunrise Gold/Ice Blue
OSAndroidAndroid
Dimensions (width x height x thickness)76.6mm x 162.1mm x 8.5mm68.7mm x 147.7mm x 8.5mm
Weight190.0g163.0g
Display size6.53inch5.8inch
Display typeIPS LCDSuper AMOLED
Screen resolution (width x height)1080 x 23401440 x 2960
Pixel density394ppi567ppi
Battery capacity4500.0mAh3000.0mAh
ChipsetQualcomm SM7125 Snapdragon 720GExynos 9810
CPU specs2.3GHz+1.8GHz×8(8.0-cores)2.7GHz+1.8GHz×8(8.0-cores)
RAM size8.0GB4.0GB
Storage size128.0GB256.0GB
Rear-camera resolution48.0MP12.0MP
Front-camera resolution8.0MP8.0MP

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