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Which is better, Galaxy S20 Ultra 5G 512GB or Galaxy S6 (USA) 128GB? We compared their features and specs in detail

Created date: 2020-02-10 22:25:01, Updated date: 2021-10-20 14:35:57

Galaxy S20 Ultra 5G 512GBGalaxy S6 (USA) 128GB
Galaxy S20 Ultra 5G 512GBGalaxy S6 (USA) 128GB

Are you having trouble comparing the differences in features and performance of the "Galaxy S20 Ultra 5G 512GB" and "Galaxy S6 (USA) 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.

Galaxy S20 Ultra 5G 512GBGalaxy S6 (USA) 128GB
Galaxy S20 Ultra 5G 512GB

Galaxy S6 (USA) 128GB

General rating:
Holding comfortrating-image3.0
76.0mm x 166.9mm x 8.8mm
rating-image3.6
70.6mm x 143.5mm x 6.9mm
Weightrating-image2.3
222.0g
rating-image3.7
140.0g
Screen sizerating-image4.6
6.9inch
rating-image3.8
5.1inch
Display qualityrating-image4.4
508ppi
rating-image4.5
575ppi
Battery liferating-image4.2
5000.0mAh
rating-image2.9
2550.0mAh
Processing powerrating-image4.9
2.73GHz+2.6GHz+2.0GHz×8(8.0-cores)
rating-image3.7
2.1GHz+1.5GHz×8(8.0-cores)
Memory capacityrating-image5.0
16.0GB
rating-image3.0
3.0GB
Storage capacityrating-image4.8
512.0GB
rating-image4.5
128.0GB
Rear camera performancerating-image5.0
108.0MP
rating-image3.4
16.0MP
Front camera performancerating-image5.0
40.0MP
rating-image2.5
5.0MP

"Galaxy S20 Ultra 5G 512GB" and "Galaxy S6 (USA) 128GB", performance comparison

"Galaxy S20 Ultra 5G 512GB" and "Galaxy S6 (USA) 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 "Galaxy S20 Ultra 5G 512GB" has a width of 76.0mm, a length of 166.9mm, and a thickness of 8.8mm. Also, the "Galaxy S6 (USA) 128GB" has a width of 70.6mm, a length of 143.5mm, and a thickness of 6.9mm.

Comparing the width and thickness of the body, the "Galaxy S6 (USA) 128GB" is considerably smaller and more compact than the "Galaxy S20 Ultra 5G 512GB". The "Galaxy S6 (USA) 128GB" excels over the "Galaxy S20 Ultra 5G 512GB" 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 S6 (USA) 128GB" over the "Galaxy S20 Ultra 5G 512GB".

Comparing the width and thickness of the body, the "Galaxy S6 (USA) 128GB" is considerably smaller and more compact than the "Galaxy S20 Ultra 5G 512GB". The "Galaxy S6 (USA) 128GB" excels over the "Galaxy S20 Ultra 5G 512GB" 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 S6 (USA) 128GB" over the "Galaxy S20 Ultra 5G 512GB".

Comparing the overall size of the two devices, the "Galaxy S6 (USA) 128GB" is a considerably larger size than the "Galaxy S20 Ultra 5G 512GB". In terms of being more convenient to use one-handed, and less likely to get in the way when you're not using it, the "Galaxy S6 (USA) 128GB" is superior to the "Galaxy S20 Ultra 5G 512GB". If you're going for the smart phone sized to be easiest to carry and handle with one hand, we recommend buying the "Galaxy S6 (USA) 128GB" over the "Galaxy S20 Ultra 5G 512GB".

ScoreDimensions (width x height x thickness)
Galaxy S20 Ultra 5G 512GB59/10076.0mm x 166.9mm x 8.8mm
Galaxy S6 (USA) 128GB72/10070.6mm x 143.5mm x 6.9mm

"Galaxy S20 Ultra 5G 512GB" and "Galaxy S6 (USA) 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 "Galaxy S20 Ultra 5G 512GB" is about 222.0g, and the weight of the "Galaxy S6 (USA) 128GB" is about 140.0g. Comparing the weight of the two devices, the "Galaxy S6 (USA) 128GB" is a considerably lighter smart phone than the "Galaxy S20 Ultra 5G 512GB", and there is a difference of about 82g. In terms of the burden placed upon your fingers and wrist, the "Galaxy S6 (USA) 128GB" is superior to the "Galaxy S20 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 "Galaxy S6 (USA) 128GB" over the "Galaxy S20 Ultra 5G 512GB".

ScoreWeight
Galaxy S20 Ultra 5G 512GB46/100222.0g
Galaxy S6 (USA) 128GB74/100140.0g

"Galaxy S20 Ultra 5G 512GB" and "Galaxy S6 (USA) 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 "Galaxy S20 Ultra 5G 512GB" has a 6.9inch display. Also, the "Galaxy S6 (USA) 128GB" has a 5.1inch display. Comparing the screen size, the "Galaxy S20 Ultra 5G 512GB" has a considerably larger screen than the "Galaxy S6 (USA) 128GB", with a difference of approximately 1.8inch. The "Galaxy S20 Ultra 5G 512GB" is superior to the "Galaxy S6 (USA) 128GB" in terms of its larger buttons and the intensity of the user's experience when playing games and watching videos. In addition, the larger screen on the "Galaxy S20 Ultra 5G 512GB" has the benefit of being easier on the user's eyes. If you are looking for a smartphone that you are less likely to mistap, offers a more intense viewing and gaming experience, and decreases eyestrain, then we recommend the "Galaxy S20 Ultra 5G 512GB" over the "Galaxy S6 (USA) 128GB".

ScoreDisplay size
Galaxy S20 Ultra 5G 512GB91/1006.9inch
Galaxy S6 (USA) 128GB75/1005.1inch

"Galaxy S20 Ultra 5G 512GB" and "Galaxy S6 (USA) 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 "Galaxy S20 Ultra 5G 512GB" is 1440 x 3200, and pixel density is 508ppi. Also, the resolution on the "Galaxy S6 (USA) 128GB" is 1440 x 2560, and pixel density is 575ppi. Comparing the pixel count, the difference in pixel density between the "Galaxy S20 Ultra 5G 512GB" and the "Galaxy S6 (USA) 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
Galaxy S20 Ultra 5G 512GB87/100508ppi
Galaxy S6 (USA) 128GB89/100575ppi

"Galaxy S20 Ultra 5G 512GB" and "Galaxy S6 (USA) 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.

The "Galaxy S20 Ultra 5G 512GB" is 5000.0mAh, and the "Galaxy S6 (USA) 128GB" is 2550.0mAh. Regarding battery capacity, the "Galaxy S20 Ultra 5G 512GB" has greater battery capacity than the "Galaxy S6 (USA) 128GB", with a 2450mAh difference. Since the "Galaxy S20 Ultra 5G 512GB" can be used for longer periods without recharging than the "Galaxy S6 (USA) 128GB", it is great for outdoor use. If you want a smartphone with a longer battery life, we recommend the "Galaxy S20 Ultra 5G 512GB" over the "Galaxy S6 (USA) 128GB".

ScoreBattery capacity
Galaxy S20 Ultra 5G 512GB83/1005000.0mAh
Galaxy S6 (USA) 128GB58/1002550.0mAh

"Galaxy S20 Ultra 5G 512GB" and "Galaxy S6 (USA) 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 "Galaxy S20 Ultra 5G 512GB"'s CPU is a Exynos 990, with performance measured at 2.73GHz+2.6GHz+2.0GHz×8(8.0-cores). Also, the "Galaxy S6 (USA) 128GB"'s CPU is a Exynos 7420 Octa, with performance measured at 2.1GHz+1.5GHz×8(8.0-cores). Comparing CPU performance, the "Galaxy S20 Ultra 5G 512GB" has considerably higher specs than the "Galaxy S6 (USA) 128GB". In terms of being able to comfortably play games and run apps smoothly, the "Galaxy S20 Ultra 5G 512GB" is superior to the "Galaxy S6 (USA) 128GB". If you're going for a high spec smart phone that runs smoothly and comfortably handles games, we recommend purchasing the "Galaxy S20 Ultra 5G 512GB" over the "Galaxy S6 (USA) 128GB".

ScoreCPU specs
Galaxy S20 Ultra 5G 512GB98/1002.73GHz+2.6GHz+2.0GHz×8(8.0-cores)
Galaxy S6 (USA) 128GB74/1002.1GHz+1.5GHz×8(8.0-cores)

"Galaxy S20 Ultra 5G 512GB" and "Galaxy S6 (USA) 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 "Galaxy S20 Ultra 5G 512GB" is 16.0GB and the weight of the "Galaxy S6 (USA) 128GB" is 3.0GB. Comparing the devices in terms of RAM, the "Galaxy S20 Ultra 5G 512GB" has a significantly larger amount of RAM than the "Galaxy S6 (USA) 128GB", with a difference of about 13GB. In terms of the unlikeliness of crashing and the ease of multitasking, 3D games and VR, the "Galaxy S20 Ultra 5G 512GB" is superior to the "Galaxy S6 (USA) 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 S20 Ultra 5G 512GB" over the "Galaxy S6 (USA) 128GB".

ScoreRAM size
Galaxy S20 Ultra 5G 512GB100/10016.0GB
Galaxy S6 (USA) 128GB60/1003.0GB

"Galaxy S20 Ultra 5G 512GB" and "Galaxy S6 (USA) 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 "Galaxy S20 Ultra 5G 512GB" is 512.0GB. Also the "Galaxy S6 (USA) 128GB" is 128.0GB. Regarding storage capacity, there is a negligible difference in storage capacity between the "Galaxy S20 Ultra 5G 512GB" and "Galaxy S6 (USA) 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
Galaxy S20 Ultra 5G 512GB95/100512.0GB
Galaxy S6 (USA) 128GB90/100128.0GB

"Galaxy S20 Ultra 5G 512GB" and "Galaxy S6 (USA) 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.

"Galaxy S20 Ultra 5G 512GB" has a 108.0MP main camera. Also, "Galaxy S6 (USA) 128GB" has a 16.0MP main camera. Comparing rear camera performance, the "Galaxy S20 Ultra 5G 512GB" has a much higher pixel count compared to the "Galaxy S6 (USA) 128GB", with a roughly 92MP difference. In terms of taking or shooting high resolution pictures or videos that will look clean when printed, the "Galaxy S20 Ultra 5G 512GB" is superior to the "Galaxy S6 (USA) 128GB". If you are looking for a smartphone that is suited for shooting videos and taking pictures, we recommend the "Galaxy S20 Ultra 5G 512GB" over the "Galaxy S6 (USA) 128GB".

ScoreRear-camera resolution
Galaxy S20 Ultra 5G 512GB100/100108.0MP
Galaxy S6 (USA) 128GB68/10016.0MP

"Galaxy S20 Ultra 5G 512GB" and "Galaxy S6 (USA) 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.

"Galaxy S20 Ultra 5G 512GB" has an 40.0MP front camera and "Galaxy S6 (USA) 128GB" has an 5.0MP front camera. Comparing rear camera performance, the front camera of the "Galaxy S20 Ultra 5G 512GB" has a much higher pixel count compared to the "Galaxy S6 (USA) 128GB", with a roughly 35MP difference. As a result, the "Galaxy S20 Ultra 5G 512GB" is more suited than the "Galaxy S6 (USA) 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 S20 Ultra 5G 512GB" over the "Galaxy S6 (USA) 128GB".

ScoreFront-camera resolution
Galaxy S20 Ultra 5G 512GB100/10040.0MP
Galaxy S6 (USA) 128GB50/1005.0MP

"Galaxy S20 Ultra 5G 512GB" and "Galaxy S6 (USA) 128GB", performance comparison by specification sheet

Galaxy S20 Ultra 5G 512GBGalaxy S6 (USA) 128GB
ImageGalaxy S20 Ultra 5G 512GBGalaxy S6 (USA) 128GB
MakerSamsungSamsung
Release date2020-03-062015-04
ColorCosmic Grey/Cosmic BlackWhite Pearl/Black Sapphire/Gold Platinum
OSAndroidAndroid
Dimensions (width x height x thickness)76.0mm x 166.9mm x 8.8mm70.6mm x 143.5mm x 6.9mm
Weight222.0g140.0g
Display size6.9inch5.1inch
Display typeDynamic AMOLED 2XSuper AMOLED
Screen resolution (width x height)1440 x 32001440 x 2560
Pixel density508ppi575ppi
Battery capacity5000.0mAh2550.0mAh
ChipsetExynos 990Exynos 7420 Octa
CPU specs2.73GHz+2.6GHz+2.0GHz×8(8.0-cores)2.1GHz+1.5GHz×8(8.0-cores)
RAM size16.0GB3.0GB
Storage size512.0GB128.0GB
Rear-camera resolution108.0MP16.0MP
Front-camera resolution40.0MP5.0MP

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