Amd raven ridge mobile does not use hbm memory, works with 256mb ddr4
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The new AMD Raven Ridge APUs use the Vega graphics architecture, so we all took it for granted that they would use high-bandwidth HBM memory, which would allow achieving quite a considerable bandwidth and therefore better performance. This will finally not be the case, at least in the mobile versions since the Ryzen 5 2500U and its Vega 8 GPU work with DDR4 memory.
AMD Raven Ridge uses DDR4 memory for its graphics core
This new information has come to light thanks to the HP Envy x360, which will be the first computer on the market with an AMD Ryzen 5 2500U processor that includes the Vega 8 graphics inside. This graphics core operates at a base and turbo clock speed of 300 MHz and 1100 MHz along with a total of 256 MB of 400 MHz DDR4 memory with an approximate bandwidth of 12 Gb / s.
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A very low amount of memory together with a very low bandwidth, which does not hint that the power will be very fair so it would not be a team with a considerable level of performance in video games. Hopefully, it will also be able to access the team's main RAM, similar to the HyperMemory technology of older ATI graphics cards.
An interesting fact about this is that the Vega architecture is not necessarily linked to HBM2 memory, so we can expect new desktop cards with much cheaper GDDR5 memory.
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Gpu vega 8 for laptops does not use hbm2 but ddr4 memory
HP has unveiled its X360 Envy notebooks that are based on a Ryzen APU processor. The laptop uses a Vega 8 GPU that does not use HBM2 memory