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Date 9/26/2021

PlayStation 5 vs Xbox Series X

Comparative review of PlayStation 5 and Xbox Series X game consoles

Here we want to compare two ninth generation consoles, namely Sony PlayStation 5 and Microsoft Xbox Series X.

One of the things I want to mention is that the PlayStation 5 is larger in size and weight compared to Sony's previous consoles and takes up more space. In addition, the PS5, unlike previous versions, has a base that has a good design. However, you cannot position the console horizontally. The Xbox Series X is smaller in size than its competitor, although it weighs more. The Xbox, on the other hand, has a simple, modern and stylish design. The main reason for the larger dimensions of the PlayStation 5 is related to its cooling system.

Xbox Series X

In terms of hardware, the Xbox Series X uses AMD's octa-core CPU. The speed of the cores is 3.8 GHz with SMT (Simultaneous Multihreading) disabled and 3.6 GHz with SMT enabled. This console is equipped with AMD RDNA 2 GPUs that use 52 active processing units with a frequency of 1.8 GHz. As you know, the unit of measure for data processing speed by a computer is called Flops. Each Teraflops is equivalent to one trillion (10 to the power of 12) floating point operations per second. GPU performance on the Xbox Series X is 12 teraflops, compared to 10.28 teraflops for the PS5. An interesting thing that Microsoft did was that 10 GB of GDDR6 RAM has a bandwidth of 560 GB/s and 6 GB of RAM has a bandwidth of 350 GB/s. However, all RAM on the PlayStation 5 has a bandwidth of 448 GB/s. The Xbox Series X and PlayStation 5 have 1TB and 825GB SSDs, respectively. Of the one terabyte on the Xbox X console SSD, only 802GB is available, and the rest of the storage is reserved for the operating system, as well as a feature known as Quick Resume. Quick Resume is one of the most interesting and exciting features of this console. With this feature, you can skip a game and quickly enter another game, and then resume that game from where you left off the game. Microsoft allows you to increase the size of the SSD using a fully dedicated port. One of the good things about it is that you can easily send the game to an external SSD and transfer it to another location.


Contrary to many people's beliefs, the game world bottleneck is not the GPU, but the memory, mostly storage memory. Because of their slower speed, the storage memories deliver data to the GPU with a delay. For this reason, Sony's main focus in designing its ninth-generation game console was on memory. The SSD controller that Sony has (made in collaboration with Samsung) is different from other controllers. This controller has 12 channels, 8 of which are optimized for sending game data. One of the reasons that the PlayStation 5 has a strange volume of 825 GB is because it has 12 channels. You can only use 667 GB. Sony delegated some tasks, such as compressing and decompressing data, to other controllers to reduce the load on the CPU and GPU. The PlayStation 5 CPU, like its rival console, is owned by AMD and uses eight 3.5 GHz cores. The frequency of the Xbox CPU and GPU is constant, but it is variable on the PlayStation. In other words, it has a minimum value and a maximum value. The PlayStation 5 GPU has 36 processing units. Although this number is lower than that of the Microsoft console, their frequency is fantastic, reaching 2.2 GHz. They need a stronger cooling system

Let 's talk a little bit about AMD's SmartShift technology. Suppose you have a laptop that has an APU (Accelerated Processing Unit) , which is a combination of CPU and GPU components. Parts of the game require more CPU power, and parts need more GPU power. Now suppose we want the maximum clock of the GPU and CPU to be equal to 2.2 GHz, but neither of them reaches this number at the same time. For example, when we need more CPU power, the CPU clock reaches 2.2 GHz and the GPU clock goes down, or vice versa. Sony uses this technology, except that the temperature conditions do not affect the CPU and GPU clocks, but rather the different game profile settings determine it.

As we said, the amount of Xbox Series X console SSD memory can be increased with a single card. However, in PlayStation 5, it requires opening the console box and inserting the card in special slots. One of the problems is that you have to add exactly the same model and memory brand that Sony has specified to the console. Sony uses a very large heat sink for optimal cooling. Both consoles have no annoying noise. In the new version, Sony uses liquid metal for cooling, instead of silicone thermal paste, which transfers heat from the CPU and GPU to the heat sink. Microsoft, on the other hand, uses vapor chamber for cooling. In this technology, the liquid inside the heat pipe evaporates. This tube removes the heat generated from the parts, and all this is done by evaporating the liquid. This steam then passes through the condenser to dissipate the heat and the steam returns to the liquid. Both companies support 4K (3840 x 2160 pixels) at 60 frames per second. For some games, if the game developer has included it, 4K at 120 frames per second is supported. 8K output (7680 x 4320 pixels) is only for content, not games. Of course, the Xbox Series X claims to have the ability to render up to 8K quality, but the fact is that at best, this is only possible on some 2D games.

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