According to numerous testimonies, memory type HBM must be registered on graphics solutions AMD Fiji, which will be released in the next six months. It will provide a significant increase in capacity over the existing graphics. SK Hynix company , if you believe published on the website of the manufacturer documentation already available serial memory chips such as HBM.
However, while the range is reduced to just one name (H5VR8GESM4R-20C): these chips have four layout and density of 1 Gbps, rated voltage 1.2 V and a frequency of 1 GHz, the capacity of each tier reaches 128 GB / s. It's a bit weaker than it has been observed on samples Fiji XT.
According to SK Hynix documentation- GDDR5 memory labeled species H5GQ4H24AJR-R4C, which combines 4-gigabit density with a default frequency of 8 GHz QDR and the voltage of 1.55 V. Note that less fast memory content in this series voltage 1.35 V or 1.5 V, although among the chips with a default frequency of 7 GHz QDR modifications occur with a voltage of 1.55 V. It can be assumed that the 8-GHz memory will find application in some new graphics cards - for example, in the same overclocked version of the
Radeon R9 290X .
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