AMD confirms initial shipment of Instinct MI200 “Aldebaran” accelerator, its first MCM GPU

Published: Jul 28th 2021, 06:58 GMT   Comments

AMD confirms CDNA2 GPU is already shipping

The next-generation AMD Instinct accelerator is now available to customers. 

In its Q2 earnings presentations, AMD confirmed “Initial shipments of next-generation AMD Instinct accelerators featuring 2nd Gen CDNA architecture”. That of course refers to Instinct MI200, which is a successor to the Arcturus-based MI100 accelerator.

The MI200 is equipped with Aldebaran GPU which is a dual-die processor. The fact that this GPU is already shipping means that AMD has become the first company to ship its next-generation MCM accelerator to customers, even before Intel released its Xe-HP(C) accelerator and before NVIDIA launched its H100 accelerator based on Hopper MCM GPU.

The configuration of the AMD Aldebaran GPU isn’t confirmed yet. However, it was already revealed that the GPU is to offer up to 128 GB of HBM2e memory and feature two compute dies. Each die is rumored to offers as many as 128 Compute Units. If each unit was to retain 128 cores, that would give a total core count of 16384.

This GPU is the first Multi-Chip-Module design from AMD, opening a new chapter in computer graphics. The manufacturer is expected to launch its first client MCM design with RDNA3 architecture next year.

AMD Instinct Accelerators
Accelerator NameAMD Radeon Instinct MI60AMD Instinct MI100AMD Instinct MI200
Architecture7nm GCN57nm CDNA1 (GFX908)CDNA2 (GFX90A)
GPUVega 20ArcturusAldebaran (MCM)
GPU Cores40967680TBC
GPU Clock Speed1800 MHz~1500 MHzTBC
FP16 Compute29.5 TFLOPs185 TFLOPsTBC
FP32 Compute14.7 TFLOPs23.1 TFLOPsTBC
FP64 Compute7.4 TFLOPs11.5 TFLOPsTBC
Memory Clock1000 MHz1200 MHzTBC
Memory Bus4096-bit bus4096-bit busTBC
Memory Bandwidth1 TB/s1.23 TB/sTBC
Form FactorDual Slot, Full LengthDual Slot, Full LengthOAM
CoolingPassive CoolingPassive CoolingTBC

Source: Tom’s Hardware, AMD (PDF)

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