AMD announces new Instinct MI100 accelerator

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AMD has finally announced the next-generation CDNA GPU-based Instinct MI100 accelerator. The company calls it the fastest HPC GPU in the world. It will be utilizing the CDNA architecture, which is different than the RDNA. The new architecture is specifically designed for the HPC segment.

The card will feature a 7nm CDNA GPU and packs 120 Compute Units or 7680 stream processors. The CDNA GPU powering instinct MI100 measures at around 720mm2. The GPU has a clock speed configured around 1500 MHz and delivers a peak performance throughput of 11.5 TFLOPs in FP64, 23.1 TFLOPs in FP32, and will feature a total power draw of 300 Watts. The card will come with 4 and 8 GPU configurations and a rated bandwidth of 276 GB/s.

With the new AMD Matrix Core technology, the MI100 also delivers a nearly 7x boost in FP16 theoretical peak floating-point performance for AI training workloads compared to AMD’s prior generation accelerators.

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This new GPU from AMD does promise up to 2.1x more performance per dollar compared to the popular NVIDIA A100.

The known features so far include

Accelerator NameAMD Radeon Instinct MI6AMD Radeon Instinct MI8AMD Radeon Instinct MI25AMD Radeon Instinct MI50AMD Radeon Instinct MI60AMD Radeon Instinct MI100
GPU ArchitecturePolaris 10Fiji XTVega 10Vega 20Vega 20Arcturus
GPU Process Node14nm FinFET28nm14nm FinFET7nm FinFET7nm FinFET7nm FinFET
GPU Cores230440964096384040967680
GPU Clock Speed1237 MHz1000 MHz1500 MHz1725 MHz1800 MHz~1500 MHz
FP16 Compute5.7 TFLOPs8.2 TFLOPs24.6 TFLOPs26.5 TFLOPs29.5 TFLOPs185 TFLOPs
FP32 Compute5.7 TFLOPs8.2 TFLOPs12.3 TFLOPs13.3 TFLOPs14.7 TFLOPs23.1 TFLOPs
FP64 Compute384 GFLOPs512 GFLOPs768 GFLOPs6.6 TFLOPs7.4 TFLOPs11.5 TFLOPs
VRAM16 GB GDDR54 GB HBM116 GB HBM216 GB HBM232 GB HBM232 GB HBM2
Memory Clock1750 MHz500 MHz945 MHz1000 MHz1000 MHz1200 MHz
Memory Bus256-bit bus4096-bit bus2048-bit bus4096-bit bus4096-bit bus4096-bit bus
Memory Bandwidth224 GB/s512 GB/s484 GB/s1 TB/s1 TB/s1.23 TB/s
Form FactorSingle Slot, Full LengthDual Slot, Half LengthDual Slot, Full LengthDual Slot, Full LengthDual Slot, Full LengthDual Slot, Full Length
CoolingPassive CoolingPassive CoolingPassive CoolingPassive CoolingPassive CoolingPassive Cooling
TDP150W175W300W300W300W300W

“Today AMD takes a major step forward in the journey toward exascale computing as we unveil the AMD Instinct MI100 – the world’s fastest HPC GPU,” said Brad McCredie, corporate vice president, Data Center GPU and Accelerated Processing, AMD. “Squarely targeted toward the workloads that matter in scientific computing, our latest accelerator, when combined with the AMD ROCm open software platform, is designed to provide scientists and researchers a superior foundation for their work in HPC.”  

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