Intel gives details on ice lake and its new igpu gen11
Table of contents:
- Ice Lake and Gen11 will be the first big jump over Skylake
- Intel released some details of this architecture
- Gen11, the iGPU will have 64 EUs and its own L3 cache
Intel 'Ice Lake' will be the company's first major processor architecture since the famous “Skylake” in 2015, which promises improvements to the IPC, etc. Intel has been reusing both the CPU cores and the graphics architecture for four generations of processors, since "Skylake", but with Ice Lake things are going to change.
Ice Lake and Gen11 will be the first big jump over Skylake
Intel (Gen9) integrated graphics got a little Gen9.5 update on "Kaby Lake", adding new display interfaces and faster drivers. 'Ice Lake' promises to take a big leap in this regard, taking advantage of the new 10nm manufacturing process, with which it will be possible to add the new integrated Gen11 graphics.
Intel released some details of this architecture
An illustration points to the Gen2 GT2 trim. GT2 tends to be the most common variant of every Intel graphics architecture. Gen9.5 GT2, for example, is used in all 8th and 9th generation Core processors (with the exception of those "F" or "KF" models). The illustration confirms that Intel will continue to use its Ring Bus interconnect in the implementation of “Ice Lake” processors, despite possible increases in the number of CPU cores. This is a bit surprising as Intel introduced Mesh interconnect with its recent HEDT and business processors. However, Intel has ensured that the iGPU has preferential access to the Ring Bus, with 64 byte reads / clock and 64 byte write / clock, while each CPU core only has 32 byte reads / clock and write. 32-byte / clock.
Gen11, the iGPU will have 64 EUs and its own L3 cache
Analyzing the more technical details, while the CPU core has its own dedicated L2 cache, for the iGPU there is a component called “GTI”, short for graphical technology interface. The GTI interacts with two components: Slice Common and an L3 cache that is completely separate from the main L3 cache of the processor. The iGPU now has its own 3MB L3 cache, an implementation that should give a big advantage over the Gen9 generation.
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Gen11 GT2 has 64 EUs (Execution Units), which represents a growth of 166% over the 24 EUs that we saw in Gen9.5 GT2 (for example, in the Core i9-9900K). Such a significant EU boost will likely double performance, to regain lost ground against AMD Ryzen APUs.
Lastly, the display driver now supports Panel Self Refresh, Display Context Save and Restore, VESA Adaptive-Sync, and support for USB-C based outputs.
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