AMD Instinct MI100 with Arcturus GPU pictured up close without a cooler

Published: Oct 24th 2022, 12:03 GMT   Comments

AMD MI100 “Arcturus”

New pictures found on eBay show AMD Instinct MI100 accelerator up close. 

AMD MI100, Source: eBay

The MI100 accelerator was released back in November 2020, so it’s not even a 2-year-old product. However, AMD already has a successor in the form of the MI250 series. In fact, AMD is already teasing its third generation CDNA architecture that might feature Zen and CDNA architecture combined into one processor. Those should come ou next year.

The MI100 is based on 7nm CDNA1 architecture and was only available as a PCI Express-based card (MI200+ are OAM based). It features an Arcturus processor with 7680 FP32 cores and a total of 32GB of HBM2 memory. This 300W acceleration is powered by two 8-pin power connectors, but this is not a PCIe connector but an EPS one (same motherboards use).

AMD MI100, Source: eBay

The card was pictured without a cooler (which is passive). The seller is not adding a heatsink and this particular sample is actually broken (does not show up in OS). The current price for this nonfunctional GPU is less than 500 EUR, so it is no doubt an interesting collector’s item, but also an expensive one. It is worth reminding that MI100 had a MSRP at $6,400 when it came out.

RUMORED AMD Instinct Accelerators Specifications
VideoCardzAMD Radeon Instinct MI60AMD Instinct MI100AMD Instinct MI250XAMD Instinct MI300
Architecture & Nodes7nm GCN5 (GFX906)7nm CDNA1 (GFX908)6nm CDNA2 (GFX90A)5nm CDNA3 (GFX940) +
6nm (base)
CPUZen4 (APU Mode)
GPUVega 20ArcturusAldebaran (MCM)? (3D Die Stacking)
Base Chipletsup to 2
Compute Tiles112 up to 8
Compute Units64120220TBC
GPU Clock Speed1800 MHz~1500 MHz~1700 MHzTBC
FP32 Compute14.7 TFLOPS23.1 TFLOPS47.9 TFLOPSTBC
8x HBM2e
 up to 8x HBM3 stack
Memory Clock2.0 Gbps2.4 Gbps 3.2 GbpsTBC
Memory Bus4096-bit4096-bit8192-bit up to 8192-bit
Memory Bandwidth1 TB/s1.23 TB/s3.2 TB/sTBC
Form FactorDual Slot, Full LengthDual Slot, Full LengthOAMOAM
TDP300W300W560W up to 600W+


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