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Should you buy vivo S12 (2021) 256GB or vivo iQOO 9 Pro 512GB? Compare the differences in functions and specifications/performances thoroughly

Created date: 2022-01-18 22:52:35

vivo S12 (2021) 256GBvivo iQOO 9 Pro 512GB
vivo S12 (2021) 256GBvivo iQOO 9 Pro 512GB

Are you having trouble comparing the differences in features and performance of the "vivo S12 (2021) 256GB" and "vivo iQOO 9 Pro 512GB", 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.

vivo S12 (2021) 256GBvivo iQOO 9 Pro 512GB
vivo S12 (2021) 256GB

vivo iQOO 9 Pro 512GB

General rating:
Portabilityrating-image
rating-image
Weightrating-image2.9
181.0g
rating-image2.4
210.0g
Size of screenrating-image4.5
6.44inch
rating-image4.6
6.78inch
Screen clarityrating-image4.3
408ppi
rating-image4.4
517ppi
Battery durationrating-image
rating-image
Processing capabilityrating-image4.8
2.6GHz+2.0GHz×8(8.0-cores)
rating-image5.0
3.0GHz+2.5GHz+1.8GHz×8(8.0-cores)
Memory capacityrating-image5.0
12.0GB
rating-image5.0
12.0GB
Storage capacityrating-image4.6
256.0GB
rating-image4.8
512.0GB
Rear camera functionrating-image5.0
108.0MP
rating-image4.9
50.0MP
Front camera functionrating-image5.0
44.0MP
rating-image3.8
16.0MP

Compare Performance and Usability

Size comparison of "vivo S12 (2021) 256GB" and "vivo iQOO 9 Pro 512GB". 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.

ScoreDimensions (width x height x thickness)
vivo S12 (2021) 256GB - /100
vivo iQOO 9 Pro 512GB - /100

Which one is easier to hold, "vivo S12 (2021) 256GB" or "vivo iQOO 9 Pro 512GB"? 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 S12 (2021) 256GB" weighs 181.0g. The "vivo iQOO 9 Pro 512GB" clocks in at 210.0g. Comparing the weight of the main unit, the "vivo S12 (2021) 256GB" is a lighter phone than the "vivo iQOO 9 Pro 512GB", with a difference of approximately 29g. Therefore, there is less strain on your fingers and wrists even when you use your phone for a long time on the "vivo S12 (2021) 256GB" compared to the "vivo iQOO 9 Pro 512GB". For this reason, the "vivo S12 (2021) 256GB" is recommended.

ScoreWeight
vivo S12 (2021) 256GB58/100181.0g
vivo iQOO 9 Pro 512GB48/100210.0g

Which is better in terms of display, "vivo S12 (2021) 256GB" or "vivo iQOO 9 Pro 512GB"?

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 S12 (2021) 256GB" is 6.44inch, and 6.78inch on the "vivo iQOO 9 Pro 512GB". The screens of the "vivo S12 (2021) 256GB" and "vivo iQOO 9 Pro 512GB" 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 S12 (2021) 256GB90/1006.44inch
vivo iQOO 9 Pro 512GB91/1006.78inch

Which one has a better display, "vivo S12 (2021) 256GB" or "vivo iQOO 9 Pro 512GB"?

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 S12 (2021) 256GB" has a 1080 x 2400 resolution and a pixel density of 408ppi. The "vivo iQOO 9 Pro 512GB", on the other hand, has a screen resolution of 1440 x 3200 and a pixel density of 517ppi. There is not much of a difference in the pixel resolutions of the "vivo S12 (2021) 256GB" and "vivo iQOO 9 Pro 512GB", so they are about the same in terms of clarity of image and gentleness on the eyes. For this reason it is better to compare them based on other aspects of performance and function.

ScorePixel density
vivo S12 (2021) 256GB85/100408ppi
vivo iQOO 9 Pro 512GB88/100517ppi

How is the battery duration of "vivo S12 (2021) 256GB" different from that of "vivo iQOO 9 Pro 512GB" ? 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.

ScoreBattery capacity
vivo S12 (2021) 256GB - /100
vivo iQOO 9 Pro 512GB - /100

Which is better in terms of CPU function, "vivo S12 (2021) 256GB" or "vivo iQOO 9 Pro 512GB"?

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 S12 (2021) 256GB" is equipped with a MediaTek MT6891Z Dimensity 1100 5G processor, and its performance speed is 2.6GHz+2.0GHz×8(8.0-cores). The "vivo iQOO 9 Pro 512GB" uses an Qualcomm SM8450 Snapdragon 8 Gen1 CPU that performs at a speed of 3.0GHz+2.5GHz+1.8GHz×8(8.0-cores). There is also no real discrepancy between the CPU performances of the "vivo S12 (2021) 256GB" and "vivo iQOO 9 Pro 512GB". 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 S12 (2021) 256GB96/1002.6GHz+2.0GHz×8(8.0-cores)
vivo iQOO 9 Pro 512GB99/1003.0GHz+2.5GHz+1.8GHz×8(8.0-cores)

How is "vivo S12 (2021) 256GB" different from "vivo iQOO 9 Pro 512GB" 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 S12 (2021) 256GB" has 12.0GB of memory. The "vivo iQOO 9 Pro 512GB", on the other hand, has 12.0GB. Memory performance is roughly the same for both the "vivo S12 (2021) 256GB" and "vivo iQOO 9 Pro 512GB"; as a result, multitasking, playing 3D games, and using VR feels the same on both devices. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreRAM size
vivo S12 (2021) 256GB99/10012.0GB
vivo iQOO 9 Pro 512GB99/10012.0GB

Which has a better storage capacity, "vivo S12 (2021) 256GB" or "vivo iQOO 9 Pro 512GB"?

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 S12 (2021) 256GB" has 256.0GB of storage, while the "vivo iQOO 9 Pro 512GB" has 512.0GB. There is no real difference between the "vivo S12 (2021) 256GB"and "vivo iQOO 9 Pro 512GB" '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 S12 (2021) 256GB91/100256.0GB
vivo iQOO 9 Pro 512GB95/100512.0GB

Compare the rear cameras of "vivo S12 (2021) 256GB" and "vivo iQOO 9 Pro 512GB". 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 S12 (2021) 256GB" has 108.0MP. The "vivo iQOO 9 Pro 512GB" has 50.0MP. The rear facing cameras of the "vivo S12 (2021) 256GB" and "vivo iQOO 9 Pro 512GB" have roughly the same performance, so the quality of the photograph and video footage they can capture is around the same. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreRear-camera resolution
vivo S12 (2021) 256GB100/100108.0MP
vivo iQOO 9 Pro 512GB98/10050.0MP

Which has a front camera with better picture quality, "vivo S12 (2021) 256GB" or "vivo iQOO 9 Pro 512GB"?

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 S12 (2021) 256GB" has a resolution of 44.0MP. The "vivo iQOO 9 Pro 512GB"'s has 16.0MP. The front-facing camera of the "vivo S12 (2021) 256GB" has a significantly higher number of pixels than the "vivo iQOO 9 Pro 512GB", with a difference of about 28MP. Therefore, the "vivo S12 (2021) 256GB" is more suitable for taking photos and videos than the "vivo iQOO 9 Pro 512GB". If you want to take and print high-quality selfies, we recommend buying the "vivo S12 (2021) 256GB" rather than the "vivo iQOO 9 Pro 512GB".

ScoreFront-camera resolution
vivo S12 (2021) 256GB100/10044.0MP
vivo iQOO 9 Pro 512GB75/10016.0MP

Compare Performance Specs

vivo S12 (2021) 256GBvivo iQOO 9 Pro 512GB
Imagevivo S12 (2021) 256GBvivo iQOO 9 Pro 512GB
Makervivovivo
Release date2021-12-302022-01-12
ColorBlack/Blue/YellowWhite/Orange
OSAndroidAndroid
Weight181.0g210.0g
Display size6.44inch6.78inch
Display typeAMOLEDLTPO AMOLED
Screen resolution (width x height)1080 x 24001440 x 3200
Pixel density408ppi517ppi
ChipsetMediaTek MT6891Z Dimensity 1100 5GQualcomm SM8450 Snapdragon 8 Gen1
CPU specs2.6GHz+2.0GHz×8(8.0-cores)3.0GHz+2.5GHz+1.8GHz×8(8.0-cores)
RAM size12.0GB12.0GB
Storage size256.0GB512.0GB
Rear-camera resolution108.0MP50.0MP
Front-camera resolution44.0MP16.0MP

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