AMD’s 6nm Rembrandt, 4nm Phoenix CPUs May Coming to AM5
Ryzen 7000 (Raphael) processors have confirmed to be a number of the finest CPUs available on the market. At present, they’re the one AMD chips standing within the AM5 socket. However that might change very quickly. in response to a table (opens in new tab) From final 12 months’s Gigabyte hack (we advise you throw somewhat salt), AMD’s Rembrandt and Phoenix APUs might swap from cell to desktop, giving the AM5 socket two new tenants.
The leaked info reportedly factors to a few varieties of Ryzen processors utilizing the AM5 socket. All belong to AMD’s processor Household 19h, which consists of Zen 3, Zen 3+ and Zen 4 chips. We all know that Sort 2 (Fashions 60h-6Fh) refers back to the Ryzen 7000 collection as a result of Zen 4 based mostly chips use the “A60F12” CPU ID. Sort 2 specs, equivalent to 28 PCIe lanes, shortly gave it away.
Sort 1 (Fashions 40h-4Fh) and Sort 3 (Fashions 70h-7Fh) processors usually are not presently launched. We imagine Sort 1 might be the Ryzen 6000 collection (Rembrandt) and Sort 3 might be the Ryzen 7040 collection (Phoenix) cell APUs AMD has already introduced. Rembrandt’s CPU ID is “A40F41”; Phoenix must be “A70F71”. Phoenix is focusing on ultra-thingy laptops and is predicted to hit the retail market; nevertheless, we didn’t see the chips to authenticate the CPU in a public database.
It comes with Rembrandt, Zen 3+ cores and RDNA 2 graphics. TSMC manufactures Rembrandt for AMD on the foundry’s 6nm node. Phoenix, then again, is a extra thrilling prospect. That includes TSMC’s 4nm node, Phoenix brings collectively AMD’s newest Zen 4 cores and RDNA 3 graphics. The chips additionally characteristic XDNA know-how, an FPGA-based synthetic intelligence engine that AMD acquired when it acquired Xilinx. Earlier desktop APUs, equivalent to AMD’s Ryzen 7 5700G, adhered to an octa-core configuration. Cell Rembrandt and Phoenix max out at eight cores and 16 threads, which means the recipe suits AMD’s desktop APUs.
Socket AM5 Processor
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| Processor Options | Sort 1 | Sort 2 | Sort 3 |
|---|---|---|---|
| Household/Mannequin Numbers | Household 19h, Fashions 40h-4Fh | Household 19h, Fashions 60h-4Fh | Household 19h, Fashions 70h-4Fh |
| Graphics On Chip | 1 Devoted, 3 Sort-C (Hybrid GFX help) | 1 Devoted, 3 Sort-C (Hybrid GFX help) | 1 Devoted, 3 Sort-C (Hybrid GFX help) |
| Reminiscence | Two DDR5 Channels: DDR5 UDIMMs One or Two per Channel, As much as 4 Whole, or DDR5 SO-DIMMs One per Channel, As much as Two Whole | Two DDR5 Channels: DDR5 UDIMMs One or Two per Channel, As much as 4 Whole, or DDR5 SO-DIMMs One per Channel, As much as Two Whole | Two DDR5 Channels: DDR5 UDIMMs One or Two per Channel, As much as 4 Whole, or DDR5 SO-DIMMs One per Channel, As much as Two Whole |
| Error Checking/Correction Code (ECC) | OPN particular | OPN particular | OPN particular |
| SVI Interface | 3.0×3 | 3.0×3 | 3.0×3 |
| SVI Voltage Planes: VDDCR, VDDCR_SOC, VDD MISC | CPU and GFX share VDDCR rail | CPU and GFX share VDDCR rail | CPU and GFX share VDDCR rail |
| PCIe | PCIE_x20 | PCIE_x28 | PCIE_x20 |
| USB Ports | Mannequin 40h: 3 USB 3.2 (Sort-C), Mannequin 44h: 2 USB4 and 1 USB 3.2 (Sort-C); 1 USB 3.2 (Sort A), 1 USB 2.0 (Safe BIO) | 3 USB 3.2 (Sort C), 1 USB 3.2 (Sort A), 1 USB 2.0 (Safe BIO) | 2 USB4 and 1 USB 3.2 (Sort C), 1 USB 3.2 (Sort A), 1 USB 2.0 (Safe BIO)” |
| SPl/eSPI | 2-port SPI/eSPI | 2-port SPI/eSPI | 2-port SPI/eSPI |
Like Raphael, Rembrandt and Phoenix include help for DDR5 reminiscence with as much as two reminiscence modules per channel. Customers have been asking for a contemporary APU that may benefit from DDR5 for a while now. AMD APU’s high-speed reminiscence craze is properly documented, so it will likely be fascinating to see how a lot they’ll benefit from quick DDR5 reminiscence.
Nonetheless, there will probably be some options shoppers will miss with Rembrandt and Phoenix, like PCIe 5.0 connectivity. Rembrandt and Phoenix solely help PCIe 4.0, so they will not have the ability to benefit from PCIe 5.0 SSDs on the desktop. Enlargement and connectivity are additionally considerably restricted. Raphael provides 28 PCIe lanes, whereas Rembrandt and Phoenix solely supply 20, 29% fewer lanes.
Connectivity choices clearly differ between the three completely different Ryzen processor households. In accordance with the leaked chart, one Rembrandt variant (Mannequin 40h) offers three USB 3.2 Sort-C ports, whereas the opposite variant (Mannequin 44h) offers two USB 4 ports and one USB 3.2 Sort-C port. Moreover, Phoenix reportedly comes with two USB 4 ports and a USB 3.2 Sort-C port.
Admittedly, AMD hasn’t given APUs the love they deserve over the previous few generations. APUs stagnated within the Zen 3 period. The final APU AMD launched was the Ryzen 5000G (Cezanne) collection in 2021. Sadly, the poor 7nm Zen 3 chips have been nonetheless on the out of date Vega graphics engine. So AMD’s APUs are in line for a well-deserved improve, and hopefully Phoenix can ship on that.
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