Samsung has introduced the next generation of graphics RAM, known as GDDR7, promising much faster and power-saving GPUs. This new design allows for a data rate of 32 Gbps per pin, resulting in a total bandwidth of 1.5 Terabytes per second – a 40% increase from GDDR6.
The speed boost is attributed to the integration of 3-level Pulse Amplitude Modulation (PAM3), which allows GDDR7 to transmit up to 50% more data per cycle. Moreover, GDDR7 is 20% more energy-efficient than its predecessor, and Samsung has designed a low-voltage version for devices with tighter power restrictions, like laptops.
To manage heat more effectively, Samsung has innovated with the epoxy molding compound (EMC) that encompasses the RAM chips. The EMC used in GDDR7 has 70% lower thermal resistance than the EMC in GDDR6 packages, allowing for faster heat dissipation – a useful feature for laptop applications.
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Samsung plans to distribute samples to its major clients later this year, leading to the first GDDR7-based devices expected by the end of this year or early 2024. The release of GDDR7 marks a turning point for the industry, as AMD and Nvidia are expected to adopt it in their future GPUs, promising a major leap in performance and efficiency over GDDR6.
Micron, a rival company, has also announced its GDDR7 modules will hit the market in the first half of 2024, setting up an exciting competition for the latest in graphics memory technology.
