SK Hynix Has Also Made GDDR6 Memory Available To Customers – 8Gb Densities With Up To 14 Gbps Speeds

SK Hynix has just made their next generation GDDR6 memory available to customers which can include graphics card manufacturers such as NVIDIA and AMD. The new SK Hynix memory will be available in various configurations for mainstream and high-performance graphics applications.

SK Hynix 8Gb GDDR6 Memory Now Available In Various SKUs, Up To 14 Gbps Speeds

Straight from the SK Hynix databook, there are at least four different spec'd GDDR6 SKUs which are now available. All of these SKUs are based on the 8Gb density dies which means we will get 1GB VRAM off a single GDDR6 chip. The memory dies aren't as dense as Samsung's 16Gb GDDR6 solution but should lower down manufacturing costs leading to implementation in more budget and mainstream graphics cards.

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SK Hynix G6 Memory Solution Specifications:

The SK Hynix GDDR6 memory comes in four SKUs which include a 10-12 Gbps part known as the H56C8H24MJR-S0C and a 12-14 Gbps part known as H56C8H24MJR-S2C. Both of these parts use a FCBGA (180 Ball Grid Array) package design. The dies feature a power input of 1.25V to 1.35V that depends on the variant.

While Samsung has just one DRAM die under mass production which is definitely aiming the high-end, enthusiast market, SK Hynix has gone with a more mainstream performance and budget oriented approach. The 10-12 Gbps dies will replace GDDR5X solutions which offer the same speeds at a lower power input of 1.25V compared to 1.35V. The other variants can go as high as 14.0 Gbps at 1.35V which will push bandwidth even further. A 256-bit solution based on the 8Gb die will be able to reach a maximum VRAM of 8 GB while a 384-bit solution can deliver 12 GB of VRAM.

GPU Memory Technology Updates

Graphics Card NameMemory TechnologyMemory SpeedMemory BusMemory BandwidthRelease
AMD Radeon R9 Fury XHBM11.0 Gbps4096-bit512 GB/s2015
NVIDIA GTX 1080GDDR5X10.0 Gbps256-bit320 GB/s2016
NVIDIA Tesla P100HBM21.4 Gbps4096-bit720 GB/s2016
NVIDIA Titan XpGDDR5X11.4 Gbps384-bit547 GB/s2017
AMD RX Vega 64HBM21.9 Gbps2048-bit483 GB/s2017
NVIDIA Titan VHBM21.7 Gbps3072-bit652 GB/s2017
NVIDIA Tesla V100HBM21.7 Gbps4096-bit901 GB/s2017
NVIDIA RTX 2080 TiGDDR614.0 Gbps384-bit672 GB/s2018
AMD Instinct MI100HBM22.4 Gbps4096-bit1229 GB/s2020
NVIDIA A100 80 GBHBM2e3.2 Gbps5120-bit2039 GB/s2020
NVIDIA RTX 3090GDDR6X19.5 Gbps384-bit936.2 GB/s2020
AMD Instinct MI200HBM2e3.2 Gbps8192-bit3200 GB/s2021
NVIDIA RTX 3090 TiGDDR6X21.0 Gbps384-bit1008 GB/s2022
SK Hynix Also Has a 16 Gbps GDDR6 die which should launch sometime later. (Image Credits: Tomshardware)

Coming to bandwidth, a 12 Gbps solution will be able to output 384 GB/s bandwidth on a 256-bit and 576 GB/s bandwidth on a 384-bit solution. With GDDR5X, a 11.4 Gbps Titan X solution on a 384 bit memory bus can hit 547 GB/s so GDDR6 definitely offers a good jump in performance with low power input. It will be interesting to see GDDR6 based budget solutions when NVIDIA finally unveil their next generation graphics architecture for the GeForce market.

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