GDDR Memory Controller IP

Delivering outstanding memory performance

GDDR Memory Controller IP

Rambus GDDR6 and GDDR7 controllers provide high-bandwidth, low-latency memory performance for AI/ML, graphics and HPC applications.

Version Maximum Data Rate (Gb/s) Controller
GDDR7 40 Download GDDR7 Product Brief Product Brief
GDDR6 24 Download GDDR6 Product Brief Product Brief

GDDR6 and GDDR7 Controller IP

FeatureGDDR7 ControllerGDDR6 Controller
Speed Per Pin (Gb/s)Up to 40Up to 24
Channel Width (bits)1016
Queue-Based InterfaceYesYes
Look-Ahead Command ProcessingYesYes
Clamshell ModeYesYes
Logic InterfaceAXI or NativeAXI or Native
Controller InterfaceDFI CompatibleDFI Compatible
Add-On CoresMulti-Port Front-End
Memory Test
Memory Test Analyzer
In-line ECC
Multi-Port Front-End
Memory Test
Memory Test Analyzer

GDDR7 Memory Subsystem

Originally designed for graphics applications, GDDR is a high-performance memory solution that can be used in a variety of compute-intensive applications.

The Rambus GDDR7 controller supports both PAM3 and NRZ signaling and is optimized for high efficiency and low latency across a wide variety of traffic scenarios. It offers low-power support and robust Reliability, Availability and Serviceability (RAS) features. Comprehensive memory test support and integration support for third-party PHYs is available to instantiate a complete GDDR7 memory subsystem.

GDDR7 Memory Subsystem Example
GDDR7 Memory Controller Implementation in a Subsystem

Supercharging AI Inference with GDDR7

A rapid rise in the size and sophistication of AI inference models requires increasingly powerful AI accelerators and GPUs deployed in edge servers and client PCs. GDDR7 memory offers an attractive combination of bandwidth, capacity, latency and power for these accelerators and processors. The Rambus GDDR7 Memory Controller IP offers industry leading GDDR7 performance of up to 40 Gbps and 160 GB/s of available bandwidth per GDDR7 memory device.

HBM3E and GDDR6: Memory Solutions for AI

HBM3E and GDDR6: Memory Solutions for AI

AI/ML changes everything, impacting every industry and touching the lives of everyone. With AI training sets growing at a pace of 10X per year, memory bandwidth is a critical area of focus as we move into the next era of computing and enable this continued growth. AI training and inference have unique feature requirements that can be served by tailored memory solutions. Learn how HBM3 and GDDR6 provide the high performance demanded by the next wave of AI applications.

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