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AMD launches Mobile Ryzen with Radeon Vega Graphics (Page 3)

By Steven Bassiri from Oct 26, 2017 @ 8:00 CDT

With Radeon Vega Graphics


AMD's VEGA graphics have been optimized for these two new Ryzen mobile CPUs. The SoC also offers an improved multimedia engine and display engine.


AMD's Infinity Fabric still exists within these new CPUs even though they don't have more than one CCX. The Infinity Fabric services six clients; Zen CCX, Vega GPU, IO/System Hub, Memory Controller, Display Engine, and Multimedia Engine. The Infinity Fabric is also monitored by SenseMI for Precision Boost 2 and mXFR.


Just like many other companies, AMD sets goals for itself, and they are ahead of the curve for their 25x20 (25by20) goal. AMD said that by 2020, they could increase relative energy efficiency by 25%, and so far, they are on track.


To stream 4K content from many services such as Netflix or Amazon, you must have dedicated hardware inside the media engine of your SoC. The dedicated hardware serves to improve decode and encode capabilities, but it's also there to ensure you don't pirate the content. AMD's integrated graphics also offers FreeSync2, supports for 4K, and HDR.


These are the specifications for the Display Engine in the SoC. External displays up to 4K are supported up to 60Hz with SDR or HDR. At 1080P, external displays can run up to 240Hz (SDR) or 120Hz if you are in HDR mode. Internal displays are a bit different, at 8bpc you can go up to 120Hz at 1080P and 1440P, but only 60Hz for 4K. At HDR10, you can only run 1080P and 1440P at 60Hz, 4K is not supported.


These are the capabilities for the Multimedia Engine in the SoC. Video decode includes supports for VP9 10 bit and even HEVC 10 bit. The decode capabilities are quite competitive. Encode capabilities include support for H.264 and H.265 both at 8 bit.

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