Browsing this site requires consent to the privacy policy. By continuing to browse, you agree to our privacy policy. If you do not agree, please stop browsing. Privacy policy

All our articles is independent of any advertiser or commercial initiative, and if you buy something through our posts, we may get a small share of the sale. Click here for more information.

Which should you buy, the Realme X7 (India) 128GB or Galaxy S21 Ultra 5G 512GB? We offer a thorough comparison of the differences in functions, specifications and performance between the two

Created date: 2021-02-03 22:18:13

Realme X7 (India) 128GBGalaxy S21 Ultra 5G 512GB
Realme X7 (India) 128GBGalaxy S21 Ultra 5G 512GB

Here's our thorough comparison of the difference in performance and function between the "Realme X7 (India) 128GB" and "Galaxy S21 Ultra 5G 512GB". Which one should you buy? We'll compare and explain what differs between the "Realme X7 (India) 128GB" and "Galaxy S21 Ultra 5G 512GB" in a way that even people who aren't used to choosing between two similar products can understand.

Realme X7 (India) 128GBGalaxy S21 Ultra 5G 512GB
Realme X7 (India) 128GB

Galaxy S21 Ultra 5G 512GB

General rating:
Holding comfortrating-image
- /100
rating-image3.0
59/100
Weightrating-image2.9
58/100
rating-image2.3
46/100
Screen sizerating-image4.5
90/100
rating-image4.6
91/100
Display qualityrating-image4.3
85/100
rating-image4.4
88/100
Battery liferating-image
- /100
rating-image
- /100
Processing powerrating-image4.7
93/100
rating-image5.0
99/100
Memory capacityrating-image4.7
93/100
rating-image5.0
100/100
Storage capacityrating-image4.5
90/100
rating-image4.8
95/100
Rear camera performancerating-image5.0
100/100
rating-image5.0
100/100
Front camera performancerating-image3.8
75/100
rating-image5.0
100/100

"Realme X7 (India) 128GB" and "Galaxy S21 Ultra 5G 512GB", performance comparison

"Realme X7 (India) 128GB" and "Galaxy S21 Ultra 5G 512GB" 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.

Also, the "Galaxy S21 Ultra 5G 512GB" has a width of 75.6mm, a length of 165.1mm, and a thickness of 8.9mm.

ScoreDimensions (width x height x thickness)
Realme X7 (India) 128GB - /100
Galaxy S21 Ultra 5G 512GB59/10075.6mm x 165.1mm x 8.9mm

"Realme X7 (India) 128GB" and "Galaxy S21 Ultra 5G 512GB", 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 "Realme X7 (India) 128GB" is about 179.0g, and the weight of the "Galaxy S21 Ultra 5G 512GB" is about 227.0g. Comparing the weight of the two devices, the "Realme X7 (India) 128GB" is a considerably lighter smart phone than the "Galaxy S21 Ultra 5G 512GB", and there is a difference of about 48g. In terms of the burden placed upon your fingers and wrist, the "Realme X7 (India) 128GB" is superior to the "Galaxy S21 Ultra 5G 512GB". 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 "Realme X7 (India) 128GB" over the "Galaxy S21 Ultra 5G 512GB".

ScoreWeight
Realme X7 (India) 128GB58/100179.0g
Galaxy S21 Ultra 5G 512GB46/100227.0g

"Realme X7 (India) 128GB" and "Galaxy S21 Ultra 5G 512GB", 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 "Realme X7 (India) 128GB" has a 6.4inch display. Also, the "Galaxy S21 Ultra 5G 512GB" has a 6.8inch display. Comparing the screen size, there is a negligible difference in screen size between the "Realme X7 (India) 128GB" and the "Galaxy S21 Ultra 5G 512GB". 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
Realme X7 (India) 128GB90/1006.4inch
Galaxy S21 Ultra 5G 512GB91/1006.8inch

"Realme X7 (India) 128GB" and "Galaxy S21 Ultra 5G 512GB", 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 "Realme X7 (India) 128GB" is 1080 x 2400, and pixel density is 411ppi. Also, the resolution on the "Galaxy S21 Ultra 5G 512GB" is 1440 x 3200, and pixel density is 516ppi. Comparing the pixel count, the difference in pixel density between the "Realme X7 (India) 128GB" and the "Galaxy S21 Ultra 5G 512GB" 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
Realme X7 (India) 128GB85/100411ppi
Galaxy S21 Ultra 5G 512GB88/100516ppi

"Realme X7 (India) 128GB" and "Galaxy S21 Ultra 5G 512GB", 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
Realme X7 (India) 128GB - /100
Galaxy S21 Ultra 5G 512GB - /100

"Realme X7 (India) 128GB" and "Galaxy S21 Ultra 5G 512GB", 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 "Realme X7 (India) 128GB"'s CPU is a MediaTek MT6873 Dimensity 800U 5G, with performance measured at 2.4GHz+2.0GHz×8(8.0-cores). Also, the "Galaxy S21 Ultra 5G 512GB"'s CPU is a Exynos 2100, with performance measured at 2.9GHz+2.8GHz+2.2GHz×8(8.0-cores). Comparing CPU performance, the "Galaxy S21 Ultra 5G 512GB" has higher specs compared to the "Realme X7 (India) 128GB". For that reason, the "Galaxy S21 Ultra 5G 512GB" allows for more comfortable use of apps, and games that run more smoothly. That's why we recommend the "Galaxy S21 Ultra 5G 512GB" over the "Realme X7 (India) 128GB".

ScoreCPU specs
Realme X7 (India) 128GB93/1002.4GHz+2.0GHz×8(8.0-cores)
Galaxy S21 Ultra 5G 512GB99/1002.9GHz+2.8GHz+2.2GHz×8(8.0-cores)

"Realme X7 (India) 128GB" and "Galaxy S21 Ultra 5G 512GB", 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 "Realme X7 (India) 128GB" is 8.0GB and the weight of the "Galaxy S21 Ultra 5G 512GB" is 16.0GB. Comparing the devices in terms of RAM, the "Galaxy S21 Ultra 5G 512GB" has more RAM than the "Realme X7 (India) 128GB", with a difference of about 8GB. For that reason the "Galaxy S21 Ultra 5G 512GB" allows for smoother multitasking than the "Realme X7 (India) 128GB", and apps are less likely to crash. In addition the "Galaxy S21 Ultra 5G 512GB" allows for smoother enjoyment of 3D games and VR. For this reason, we recommend the "Galaxy S21 Ultra 5G 512GB".

ScoreRAM size
Realme X7 (India) 128GB93/1008.0GB
Galaxy S21 Ultra 5G 512GB100/10016.0GB

"Realme X7 (India) 128GB" and "Galaxy S21 Ultra 5G 512GB", 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 "Realme X7 (India) 128GB" is 128.0GB. Also the "Galaxy S21 Ultra 5G 512GB" is 512.0GB. Regarding storage capacity, there is a negligible difference in storage capacity between the "Realme X7 (India) 128GB" and "Galaxy S21 Ultra 5G 512GB". 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
Realme X7 (India) 128GB90/100128.0GB
Galaxy S21 Ultra 5G 512GB95/100512.0GB

"Realme X7 (India) 128GB" and "Galaxy S21 Ultra 5G 512GB" 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.

"Realme X7 (India) 128GB" has a 64.0MP main camera. Also, "Galaxy S21 Ultra 5G 512GB" has a 108.0MP main camera. Comparing rear camera performance, the "Realme X7 (India) 128GB" and "Galaxy S21 Ultra 5G 512GB" 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
Realme X7 (India) 128GB100/10064.0MP
Galaxy S21 Ultra 5G 512GB100/100108.0MP

"Realme X7 (India) 128GB" and "Galaxy S21 Ultra 5G 512GB", 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.

"Realme X7 (India) 128GB" has an 16.0MP front camera and "Galaxy S21 Ultra 5G 512GB" has an 40.0MP front camera. Comparing rear camera performance, the front camera of the "Galaxy S21 Ultra 5G 512GB" has a much higher pixel count compared to the "Realme X7 (India) 128GB", with a roughly 24MP difference. As a result, the "Galaxy S21 Ultra 5G 512GB" is more suited than the "Realme X7 (India) 128GB" 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 "Galaxy S21 Ultra 5G 512GB" over the "Realme X7 (India) 128GB".

ScoreFront-camera resolution
Realme X7 (India) 128GB75/10016.0MP
Galaxy S21 Ultra 5G 512GB100/10040.0MP

"Realme X7 (India) 128GB" and "Galaxy S21 Ultra 5G 512GB", performance comparison by specification sheet

Realme X7 (India) 128GBGalaxy S21 Ultra 5G 512GB
ImageRealme X7 (India) 128GBGalaxy S21 Ultra 5G 512GB
MakerRealmeSamsung
Release date2021-02-122021-01-29
ColorSpace Silver/NebulaPhantom Black/Phantom Silver/Phantom Titanium/Phantom Navy/Phantom Brown
OSAndroidAndroid
Weight179.0g227.0g
Display size6.4inch6.8inch
Display typeSuper AMOLEDDynamic AMOLED 2X
Screen resolution (width x height)1080 x 24001440 x 3200
Pixel density411ppi516ppi
ChipsetMediaTek MT6873 Dimensity 800U 5GExynos 2100
CPU specs2.4GHz+2.0GHz×8(8.0-cores)2.9GHz+2.8GHz+2.2GHz×8(8.0-cores)
RAM size8.0GB16.0GB
Storage size128.0GB512.0GB
Rear-camera resolution64.0MP108.0MP
Front-camera resolution16.0MP40.0MP

Look at a smartphone

Compare smartphones

Look at a smartphone

Compare smartphones

Check price

Articles related to Realme X7 (India) 128GB
Articles related to Galaxy S21 Ultra 5G 512GB

Realme X7 (India) 128GB

Search for smartphone with similar ratings as Realme X7 (India) 128GB

Articles related to Realme X7 (India) 128GB
Articles related to Galaxy S21 Ultra 5G 512GB

Galaxy S21 Ultra 5G 512GB

Search for smartphone with similar ratings as Galaxy S21 Ultra 5G 512GB

New articles