![]() M entioned o n 12/30/20 in Tech Linked ( 2:17 ) M entioned o n 12/30/20 in Tech Linked ( 0:14) M entioned o n 10/21/20 in Tech Linked ( 1:22) M entioned o n 10/16/20 in Tech Linked ( 4:06) And I can't imagine what would happen if they added their 3D V-Cache implementation to a Zen 4 chip (for gaming plus clockspeed increases). If AMD can catch up on the clock speed front Intel will be in some serious trouble. After seeing what the 5800X3D could do a month ago, it appears AMD is not planning on slowing down despite Intel's Alder Lake interrupting AMD's game plan. The future is looking good on the CPU side of computing. Splinter-RPL (WS22427N000 BIOS) could be the codename for the reference AM5 platform. The Radeon 680M used in Ryzen 6000 reaches 2,400 MHz. The clock speed appears reasonable, with potential for improvement. The Zen 4 processor contains a graphics engine dubbed "GFX1036" that runs between 1,000 and 2,000 MHz. The N5 node, according to the Taiwanese foundry, is 30% more power efficient or 15% faster than the 7nm node utilized for AMD's current Ryzen 5000 (Vermeer) series. Raphael also shows what AMD can do with Zen 4 on TSMC's 5nm technology. For example, the Ryzen 9 5950X tops out at 4.9 GHz, whereas the Ryzen 7 5800X tops out at 4.7 GHz. It outperforms any AMD mainstream chip currently available. Perhaps AMD will switch to a tiled design for its APUs, but that's pure speculation.The OpenBenchmarking Zen 4 processor is an engineering prototype, but its 5.21 GHz boost clock is outstanding. Throwing an N5 GPU IP into an APU may not be feasible from a manufacturing costs perspective, whereas redesigning an N6 IP may be too expensive. ![]() Meanwhile, keeping in mind that AMD tends to re-use its GPU IP in APUs without many changes, we are less sure how things will play out there. Given AMD's focus on Zen, we are pretty sure that the Zen 4-based Phoenix will use N5, just like Raphael. AMD's Zen 4 cores are designed for TSMC's N5 node, whereas the company's RDNA 3 GPUs are rumored to use N5 and/or N6. The only question is when exactly this chip will become available.Īnother question is which process technology (or technologies?) will be used to make AMD's Phoenix. However, the combination of Zen 4 and RDNA 3 featured by the future Phoenix APU seems even more appealing. With its upcoming Ryzen 6000-series 'Rembrandt,' AMD finally weds its up-to-date Zen 3+ cores with a contemporary RDNA 2-based GPU. As a result, while these APUs are good enough for everyday workloads, they are barely adequate for gaming and media (because of outdated video decoding/encoding units and video processing engines). However, the GPU part of those APUs was based on the Radeon RX Vega design, which uses a highly modified GCN (graphics core next) architecture from 2011. In recent years, AMD has packed its latest Zen CPU cores into its APUs to make them competitive in general-purpose workloads. Unfortunately for desktop gamers, AMD seemingly only plans to offer Phoenix for notebooks and perhaps compact or all-in-one desktops. The APU is also said to support a PCIe 5.0 interface. Meanwhile, to provide enough memory bandwidth for such a monstrous integrated GPU, AMD intends to support DDR5 and LPDDR5. Phoenix could have a GPU offering performance akin to a current-generation discrete Radeon RX 6500 XT graphics chip, or perhaps even closer to the RX 6600, depending on what RDNA 3 brings to the table. Of course, AMD won't talk about its Phoenix APU any time soon. In the case of RDNA 3, that translates into 1536 stream processors (today's APUs feature 512 SPs), according to ComputerBase, citing various unofficial sources. The graphics part of the APU seems even more interesting as it uses the upcoming RDNA 3 architecture and may pack as many as 16 GPU compute units. The integrated GPU will be used for an accelerated processing unit codenamed Phoenix, and this chip appears to pack quite a punch if unofficial information about it is correct.ĪMD's codenamed Phoenix APU appears to be based on the company's upcoming Zen 4 microarchitecture, but the number of cores is unknown (we would speculate about eight Zen 4 cores, though we would keep in mind that AMD also has cut-down Zen 4c cores). ![]() Yesterday's AMD RDNA 3 leak not only exposed three discrete Navi 30-series graphics processors based on the next-generation architecture but also revealed one integrated GPU.
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