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AMD 4700S desktop APU: Not good enough for Xbox Series X|S but suitable for a Mini-ITX gaming PC with 16 GB GDDR6 RAM

The AMD 4700S-based system may feature a similar APU to the Xbox Series X|S consoles. (Image source: Tmall/Microsoft - edited)
The AMD 4700S-based system may feature a similar APU to the Xbox Series X|S consoles. (Image source: Tmall/Microsoft - edited)
The AMD 4700S desktop processor has made another appearance online, this time as part of a Mini-ITX based gaming system. It is believed that the chips that were not up to scratch for the Xbox Series X and S consoles were repurposed as AMD 4700S APUs. This means Zen 2 architecture, GDDR6 memory support, and even higher clock rates…but no iGPU.
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The AMD 4700S chip has been spotted again, appearing in a Mini-ITX system being sold in China. The somewhat mysterious processor was recently discovered in code, as shared by Twitter user InstLatX64 (via Tom’s Hardware). Specs for the AMD 4700S were also published, with the processor turning up on Geekbench: 8 cores, 16 threads, 3.6 GHz base clock, and 4.0 GHz boost clock. It was initially believed that the chip on show here was possibly from an Xbox dev kit, and AMD has even got a support page for the 4700S desktop kit, but it only features some recent drivers for downloading and contact details.

Now HXL (@9550pro) has shared some interesting gaming PC details that come from a Chinese retailer (Tmall). The promo material mentions the Zen 2 microarchitecture of the 8-core, 16-thread AMD 4700S and support for 16 GB GDDR6 memory, along with 3.6 GHz to 4.0 GHz clock rates. It has been reasoned that AMD 4700S processors were originally intended to be used as the custom chips found inside the Xbox Series X and S consoles but were not up to scratch with Microsoft’s high standards. The Chinese retailer has also utilized an image of a chip on a board that has been taken straight from Microsoft's marketing material for the Xbox Series X|S, thus further implying that the AMD 4700S is Xbox-related.

As the iGPU is not enabled in this particular APU, the AMD 4700S can reach a higher CPU clock rate than the Xbox Series X (4.0 GHz vs. up to 3.8 GHz). Without a functioning iGPU part in this particular AMD 4700S-based Mini-ITX system the presence of a dGPU is therefore required for it to be classed as a serious gaming computer. Unfortunately, this is provided by the Radeon RX 550 (2 GB VRAM model) that is based on the dated Polaris architecture. Interestingly, the seller offers up a benchmark comparison of the AMD 4700S system against a computer with an Intel Core i7-9750H CPU and GeForce RTX 2060 GPU. The possible ex-Xbox chip easily beats the Coffee Lake contender in Cinebench R15 and R20 (see images below), and it even holds up well in a further comparison against an Intel Core i7-9700 and AMD Ryzen 7 PRO 4750G.

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AMD 4700S-based PC. (Image source: Tmall)
AMD 4700S-based PC
AMD 4700S 16 GB support. (Image source: Tmall)
AMD 4700S 16 GB support
AMD 4700S and AMD Cardinal board. (Image source: Tmall)
AMD Cardinal motherboard
AMD 4700S specs. (Image source: Tmall)
AMD 4700S specs
AMD 4700S comparison. (Image source: Tmall)
AMD 4700S comparison
AMD 4700S comparison. (Image source: Tmall)
AMD 4700S comparison

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Daniel R Deakin
Daniel R Deakin - Managing Editor News - 2457 articles published on Notebookcheck since 2012
My interest in technology began after I was presented with an Atari 800XL home computer in the mid-1980s. I especially enjoy writing about technological advances, compelling rumors, and intriguing tech-related leaks. I have a degree in International Relations and Strategic Studies and count my family, reading, writing, and travel as the main passions of my life. I have been with Notebookcheck since 2012.
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> Notebook / Laptop Reviews and News > News > News Archive > Newsarchive 2021 04 > AMD 4700S desktop APU: Not good enough for Xbox Series X|S but suitable for a Mini-ITX gaming PC with 16 GB GDDR6 RAM
Daniel R Deakin, 2021-04-27 (Update: 2021-04-27)