AMD's "Little Phoenix" leak points towards an insane Steam Deck successor

AMD's reportedly working on a 'Van Gogh Successor'

AMD's

Valve may be working on a Steam Deck successor with Zen 4 CPU cores and an RDNA 3 GPU

A next-generation Steam Deck system could be on the horizon, as AMD's working on a successor to their "Van Gogh" APU, the custom SOC that powers Valve's gaming handheld. 

According to Moore's Law is Dead, AMD's planned Van Gogh successor, an APU that he calls "Little Phoenix", will feature a 4-core eight-thread Zen 4 CPU and an RDNA 3 based graphics component. This likely means that AMD's Van Gogh successor is a TSMC 5nm SOC, as this is the lithography node that AMD using to create their other Zen 4 and RDNA 3 products. 

Like AMD's Van Gogh APU, its successor reportedly features 4 Work Group Processors (WGPs). Assuming that these WGPs feature the same number of Compute Units (CUs, Two per WGP) and the same number of Stream Processors per CU (128), this will give "Little Phoenix" eight CUs and 1024 Stream Processors. This means that on both the CPU and GPU sides, AMD's Van Gogh successor will be banking on IPC improvements and clock speed increased to deliver higher levels of system performance. 

Just like the original Steam Deck SOC, AMD's Van Gogh successor reportedly features a 128-bit LPDDR memory controller. Today's Steam Deck uses 5500 MT/s LPDDR5, and Valve could use faster LPDDR5 or LPDDR5X memory to deliver higher levels of memory bandwidth. 

AMD's

With what's likely to be 5nm lithography, two generations of CPU architecture upgrades (moving from Zen 2 to Zen 4), and a move to a much more efficient GPU architecture (AMD has stated that RDNA 3 can deliver a 50% increase in performance per watt), AMD's next-generation Steam Deck SOC should deliver a huge performance upgrade over today's Steam Deck.

While the idea of a next-generation Steam Deck is a fascinating one, it is worth noting that AMD has not launched Zen 4 or RDNA 3 based products yet, never mind an APU that features both. Don't expect Valve to be launching a next-generation Steam Deck before AMD has launched their own lineup of Zen 4 and RDNA 3 products. With this in mind, we do not expect Valve to reveal a Steam Deck successor anytime soon. We would expect Valve to release a Steam Deck successor in 2024, after the company's original Steam Deck gets old enough to justify a successor.

You can join the discussion on AMD's rumoured "Little Phoenix" APU on the OC3D Forums.

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