The manufacturers of graphic cards are currently divided between two technologies to equip their graphics cards: HBM2 and GDDR6. While HBM2 is better, by offering higher bandwidth and lower consumption, GDDRX is still the most profitable option in terms of price / performance for graphics cards.
GDDR6: replacement of GDDR5X that will arrive at the beginning of 2018
Hence, the consumer industry is likely to equip GDDR6 in its new cards of 2018, since HBM2, and the future HBM3, are much more expensive to manufacture. GDDR6 will replace the current GDDR5X memory that the new NVIDIA graphics cards like the Titan X, Titan Xp or the 1080 Ti equip. While GDDR5X memory offers a bandwidth of up to 548 GB / s in Pascal cards, NVIDIA Volta could reach up to 768 GB / s with GDDR6, equipping both a 384-bit bus memory width.
The current rumors place the first cards based on Volta around the months of September or October, being these first models the GTX 2070 and the GTX 2080. Later, at the beginning of 2018, we would see the first graphic cards to make use of GDDR6 memory , probably a Titan X Volta.
8GB chips will be more common in our graphics
SK Hynix yesterday introduced its new 8 GB GDDR6 chip for graphics cards. This memory will replace the current GDDR5 and GDDR5X offering up to 16 Gbps of memory frequency, compared to the 11 Gbps offered by GDDR5X with the GTX 1080 Ti (11.4 on the Titan Xp), or more than twice the GDDR5 they use. cards like the GTX 1070 and 1080. All this offering a voltage 10% lower, and therefore a lower power consumption.
This means that the 8 GB of VRAM will be the standard for the new graphics cards that we will see in 2018, although we will still see some mid-low cards with 4 or 6 GB using GDDR5. In the highest range we will get to see graphic cards of up to 16 GB, leaving in diapers what we saw until now, where the maximum is the Titan X and Titan Xp with 12 GB of VRAM, ideal to play in 4K.
The introduction of this type of memory in graphic cards will help to slightly contain its price compared to using HBM memories, in a market that has been characterized by very high prices in the last three years. The GDDR6 memory will also allow the graphs to have better frequencies. As stated in SK Hynix with Gartner statistics, the average density of VRAM memory in graphics cards is currently 2.2 GB, and will almost double to 4.1 GB in 2021, growing annually by 17% .
Well, I guess great for players and great for miners ^^
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