High Bandwidth Memory (HBM) As Fast As Possible
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Description
High Bandwidth Memory (HBM) is very different than the types of VRAM we've seen before. How does it work, and will it actually improve your gaming experience? Dollar Shave Club link: dollarshaveclub.com Follow: twitter.com Join the community: linustechtips.com
High Bandwidth Memory (HBM) As Fast As Possible explains what HBM is and why it matters for graphics performance. The video starts by setting the context around graphics card releases, noting that while GPU processing power is often the main focus, the amount and type of video memory can significantly influence how high you can push settings. It then contrasts traditional GDDR5 memory with HBM, describing how HBM integrates memory directly with the GPU package and stacks multiple memory dies using through-silicon vias. The narration highlights the physical and architectural differences, including 3D stacking and the use of TSVs to connect stacked layers, which together enable dramatically higher data throughput. The host explains the practical implications, detailing potential throughputs up to a terabyte per second with a few memory stacks and discusses how this bandwidth growth will support future gaming resolutions and non-gaming workloads like video editing. The video also notes current availability, with HBM first appearing on high-end AMD Radeon R9 Fury hardware and rumors about Nvidia Pascal, and it closes with a light, product-promo context and a nod to future adoption as memory bandwidth becomes a more common limiting factor in gaming. Overall, the piece balances foundational explanations with forward-looking considerations about how memory bandwidth translates to better frame rates and more ambitious display setups. It reinforces that HBM represents a shift in VRAM architecture aimed at efficiency and higher performance per watt, while remaining grounded in practical implications for readers who want to understand whether upgrading memory will meaningfully improve gaming experiences.
Topics · technology · hardware · video-games · computing · graphics · system-architecture
Questions answered
- What makes High Bandwidth Memory different from traditional VRAM like GDDR5?
- HBM uses 3D stacked memory dies attached directly to the GPU package and communicates via through-silicon vias, increasing data throughput and reducing space compared to conventional memory layouts.
- Why is memory bandwidth important for gaming and future displays?
- Higher memory bandwidth allows the GPU to push higher resolutions, more textures, and broader workloads at better frame rates, especially as multi-monitor and 4K setups become more common.
- Is HBM widely available yet?
- As of the video, HBM is available on AMD's high-end Radeon R9 Fury series, with expectations that Nvidia Pascal cards will also include the technology in the future.