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Which is better, Xperia 5 III 256GB or vivo Y51a (2021) 128GB? We compared their features and specs in detail

Created date: 2021-04-13 14:39:17

Xperia 5 III 256GBvivo Y51a (2021) 128GB
Xperia 5 III 256GBvivo Y51a (2021) 128GB

Are you having trouble comparing the differences in features and performance of the "Xperia 5 III 256GB" and "vivo Y51a (2021) 128GB", 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.

Xperia 5 III 256GBvivo Y51a (2021) 128GB
Xperia 5 III 256GB

vivo Y51a (2021) 128GB

General rating:

72.5/100

(The 4570th of all smartphones)

74/100

(The 4498th of all smartphones)

Holding comfort
74/100
61/100
Weight
63/100
55/100
Screen size
90/100
90/100
Display quality
86/100
84/100
Battery life
- /100
- /100
Processing power
96/100
91/100
Memory capacity
93/100
93/100
Storage capacity
91/100
90/100
Rear camera performance
59/100
97/100
Front camera performance
58/100
75/100

"Xperia 5 III 256GB" and "vivo Y51a (2021) 128GB", performance comparison

"Xperia 5 III 256GB" and "vivo Y51a (2021) 128GB" 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 "Xperia 5 III 256GB" has a width of 68.0mm, a length of 157.0mm, and a thickness of 8.2mm. Also, the "vivo Y51a (2021) 128GB" has a width of 75.3mm, a length of 163.9mm, and a thickness of 8.4mm.

Comparing the width and thickness of the body, the "Xperia 5 III 256GB" is considerably smaller and more compact than the "vivo Y51a (2021) 128GB". The "Xperia 5 III 256GB" excels over the "vivo Y51a (2021) 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 "Xperia 5 III 256GB" over the "vivo Y51a (2021) 128GB".

Comparing the width and thickness of the body, there isn't a large difference in size between the "Xperia 5 III 256GB" and the "vivo Y51a (2021) 128GB". 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 "Xperia 5 III 256GB" has a large size compared to the "vivo Y51a (2021) 128GB". For that reason the "Xperia 5 III 256GB" is a size that is easier to use in one hand and comfortably carry than the "vivo Y51a (2021) 128GB". That's why we recommend the "Xperia 5 III 256GB".

ScoreDimensions (width x height x thickness)
Xperia 5 III 256GB74/10068.0mm x 157.0mm x 8.2mm
vivo Y51a (2021) 128GB61/10075.3mm x 163.9mm x 8.4mm

"Xperia 5 III 256GB" and "vivo Y51a (2021) 128GB", 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 "Xperia 5 III 256GB" is about 168.0g, and the weight of the "vivo Y51a (2021) 128GB" is about 188.0g. Comparing the weight of the two devices, the "Xperia 5 III 256GB" is a lighter smart phone than the "vivo Y51a (2021) 128GB", with a difference of about 20g. For that reason the "Xperia 5 III 256GB" is a smart phone that is less likely than the "vivo Y51a (2021) 128GB"to put a burden on your fingers and wrist when used for an extended period. That's why we recommend the "Xperia 5 III 256GB" over the "vivo Y51a (2021) 128GB".

ScoreWeight
Xperia 5 III 256GB63/100168.0g
vivo Y51a (2021) 128GB55/100188.0g

"Xperia 5 III 256GB" and "vivo Y51a (2021) 128GB", 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 "Xperia 5 III 256GB" has a 6.1inch display. Also, the "vivo Y51a (2021) 128GB" has a 6.58inch display. Comparing the screen size, there is a negligible difference in screen size between the "Xperia 5 III 256GB" and the "vivo Y51a (2021) 128GB". 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
Xperia 5 III 256GB90/1006.1inch
vivo Y51a (2021) 128GB90/1006.58inch

"Xperia 5 III 256GB" and "vivo Y51a (2021) 128GB", 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 "Xperia 5 III 256GB" is 1080 x 2520, and pixel density is 449ppi. Also, the resolution on the "vivo Y51a (2021) 128GB" is 1080 x 2408, and pixel density is 401ppi. Comparing the pixel count, the difference in pixel density between the "Xperia 5 III 256GB" and the "vivo Y51a (2021) 128GB" 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
Xperia 5 III 256GB86/100449ppi
vivo Y51a (2021) 128GB84/100401ppi

"Xperia 5 III 256GB" and "vivo Y51a (2021) 128GB", 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.

ScoreBattery capacity
Xperia 5 III 256GB - /100
vivo Y51a (2021) 128GB - /100

"Xperia 5 III 256GB" and "vivo Y51a (2021) 128GB", 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 "Xperia 5 III 256GB"'s CPU is a Qualcomm SM8350 Snapdragon 888 5G, with performance measured at 2.84GHz+2.42GHz+1.8GHz×8(8.0-cores). Also, the "vivo Y51a (2021) 128GB"'s CPU is a Qualcomm SM6115 Snapdragon 662, with performance measured at 2.0GHz+1.8GHz×8(8.0-cores). Comparing CPU performance, there is almost no difference in the specs of the "Xperia 5 III 256GB" and the "vivo Y51a (2021) 128GB". 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
Xperia 5 III 256GB96/1002.84GHz+2.42GHz+1.8GHz×8(8.0-cores)
vivo Y51a (2021) 128GB91/1002.0GHz+1.8GHz×8(8.0-cores)

"Xperia 5 III 256GB" and "vivo Y51a (2021) 128GB", 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 "Xperia 5 III 256GB" is 8.0GB and the weight of the "vivo Y51a (2021) 128GB" is 8.0GB. Comparing the devices in terms of RAM, there is almost no difference in the amount of RAM of the "Xperia 5 III 256GB" and the "vivo Y51a (2021) 128GB". For that reason they have about the same level of multitasking performance and 3D game and VR smoothness. That's why it is better to make a comparison in terms of other aspects of performance and functionality.

ScoreRAM size
Xperia 5 III 256GB93/1008.0GB
vivo Y51a (2021) 128GB93/1008.0GB

"Xperia 5 III 256GB" and "vivo Y51a (2021) 128GB", 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 "Xperia 5 III 256GB" is 256.0GB. Also the "vivo Y51a (2021) 128GB" is 128.0GB. Regarding storage capacity, there is a negligible difference in storage capacity between the "Xperia 5 III 256GB" and "vivo Y51a (2021) 128GB". 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
Xperia 5 III 256GB91/100256.0GB
vivo Y51a (2021) 128GB90/100128.0GB

"Xperia 5 III 256GB" and "vivo Y51a (2021) 128GB" 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.

"Xperia 5 III 256GB" has a 12.0MP main camera. Also, "vivo Y51a (2021) 128GB" has a 48.0MP main camera. Comparing rear camera performance, the "vivo Y51a (2021) 128GB" has a much higher pixel count compared to the "Xperia 5 III 256GB", with a roughly 36MP difference. In terms of taking or shooting high resolution pictures or videos that will look clean when printed, the "vivo Y51a (2021) 128GB" is superior to the "Xperia 5 III 256GB". If you are looking for a smartphone that is suited for shooting videos and taking pictures, we recommend the "vivo Y51a (2021) 128GB" over the "Xperia 5 III 256GB".

ScoreRear-camera resolution
Xperia 5 III 256GB59/10012.0MP
vivo Y51a (2021) 128GB97/10048.0MP

"Xperia 5 III 256GB" and "vivo Y51a (2021) 128GB", 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.

"Xperia 5 III 256GB" has an 8.0MP front camera and "vivo Y51a (2021) 128GB" has an 16.0MP front camera. Comparing rear camera performance, the front camera of the "vivo Y51a (2021) 128GB" has a much higher pixel count compared to the "Xperia 5 III 256GB", with a roughly 8MP difference. As a result, the "vivo Y51a (2021) 128GB" is more suited than the "Xperia 5 III 256GB" 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 Y51a (2021) 128GB" over the "Xperia 5 III 256GB".

ScoreFront-camera resolution
Xperia 5 III 256GB58/1008.0MP
vivo Y51a (2021) 128GB75/10016.0MP

"Xperia 5 III 256GB" and "vivo Y51a (2021) 128GB", performance comparison by specification sheet

Xperia 5 III 256GBvivo Y51a (2021) 128GB
ImageXperia 5 III 256GBvivo Y51a (2021) 128GB
MakerSonyvivo
Release date2021-04-142021-01-08
ColorBlack/Green/PinkTitanium Sapphire/Crystal Symphony
OSAndroidAndroid
Dimensions (width x height x thickness)68.0mm x 157.0mm x 8.2mm75.3mm x 163.9mm x 8.4mm
Weight168.0g188.0g
Display size6.1inch6.58inch
Display typeOLEDIPS LCD
Screen resolution (width x height)1080 x 25201080 x 2408
Pixel density449ppi401ppi
ChipsetQualcomm SM8350 Snapdragon 888 5GQualcomm SM6115 Snapdragon 662
CPU specs2.84GHz+2.42GHz+1.8GHz×8(8.0-cores)2.0GHz+1.8GHz×8(8.0-cores)
RAM size8.0GB8.0GB
Storage size256.0GB128.0GB
Rear-camera resolution12.0MP48.0MP
Front-camera resolution8.0MP16.0MP

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