Gigabyte B550 Aorus Master specs seems to reveal more info about Renoir.
Renoir main slot is wiring is x16 3.0, they doubled that from x8 on Picasso/Raven, but no PCI-E 4.0 support, due to be intended for notebooks this is expected i belive. Not sure how they did this, i trought it was a pin limitation.
Renoir now supports up to 16GB shared memory, up from 2GB on Raven/Picasso.
1 x PCI Express x16 slot (PCIEX16), integrated in the CPU:
- 3rd Generation AMD Ryzen™ processors support PCIe 4.0 x16 mode
- New Generation AMD Ryzen™ with Radeon™ Graphics processors support PCIe 3.0 x16 mode
* For optimum performance, if only one PCI Express graphics card is to be installed, be sure to install it in the PCIEX16 slot.
* The PCIEX16 slot shares bandwidth with the M2B_CPU and M2C_CPU connectors. The PCIEX16 slot operates at up to x8 mode when a device is installed in the M2B_CPU or M2C_CPU connector.
Integrated in the New Generation AMD Ryzen™ with Radeon™ Graphics processors:
Maximum shared memory of 16 GB
- 1 x HDMI port, supporting a maximum resolution of 4096x2160@60 Hz
* Support for HDMI 2.1 version, HDCP 2.3, and HDR.
Renoir main slot is wiring is x16 3.0, they doubled that from x8 on Picasso/Raven, but no PCI-E 4.0 support, due to be intended for notebooks this is expected i belive. Not sure how they did this, i trought it was a pin limitation.
Renoir now supports up to 16GB shared memory, up from 2GB on Raven/Picasso.