NVIDIA Readies Ampere A100 PCIe GPU With 80 GB HBM2e Memory & Up To 2 TB/s Bandwidth

NVIDIA is possibly making its fastest GPU, the Ampere A100, even faster with twice the memory capacity and record-breaking memory bandwidth. This is acknowledged by NVIDIA's own listing that has been discovered by Videocardz.

NVIDIA's Fastest GPU, The Ampere A100, Getting More Faster With Twice The Memory & Higher HBM2e Bandwidth

The existing NVIDIA A100 HPC accelerator was introduced last year in June and it looks like the green team is planning to give it a major spec upgrade. The chip is based on NVIDIA's largest Ampere GPU, the A100, which measures 826mm2 and houses an insane 54 billion transistors. NVIDIA gives its HPC accelerators a spec boost during mid-cycle which means that we will be hearing about the next-generation accelerators at GTC 2022.

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In terms of specifications, the A100 PCIe GPU accelerator doesn't change much in terms of core configuration. The GA100 GPU retains the specifications we got to see on the 250W variant with 6912 CUDA cores arranged in 108 SM units, 432 Tensor Cores, and 80 GB of HBM2e memory that delivers higher bandwidth of 2.0 TB/s compared to 1.55 TB/s on the 40 GB variant.

A featured image of the NVIDIA GA100 die.

The A100 SMX variant already comes with 80 GB memory but it doesn't feature the faster HBM2e dies like this upcoming A100 PCIe variant. This is also the most amount of memory ever featured on a PCIe-based graphics card but don't expect consumer graphics cards to feature such high capacities any time soon. What's interesting is that the power rating remains unchanged which means that we are looking at higher density chips binned for high-performance use cases.

Specifications of the A100 PCIe 80 GB graphics card as listed over at NVIDIA's webpage. (Image Credits: Videocardz)

The FP64 performance is still rated at 9.7/19.5 TFLOPs, FP32 performance is rated at 19.5 /156/312 TFLOPs (Sparsity), FP16 performance is rated at 312/624 TFLOPs (Sparsity) and the INT8 is rated at 624/1248 TOPs (Sparsity). NVIDIA is planning to release its latest HPC accelerator next week and we can also expect the pricing of over $20,000 US considering the 40 GB A100 variant sells for around $15,000 US.

NVIDIA HPC / AI GPUs

NVIDIA Tesla Graphics CardNVIDIA H100 (SMX5)NVIDIA H100 (PCIe)NVIDIA A100 (SXM4)NVIDIA A100 (PCIe4)Tesla V100S (PCIe)Tesla V100 (SXM2)Tesla P100 (SXM2)Tesla P100
(PCI-Express)
Tesla M40
(PCI-Express)
Tesla K40
(PCI-Express)
GPUGH100 (Hopper)GH100 (Hopper)GA100 (Ampere)GA100 (Ampere)GV100 (Volta)GV100 (Volta)GP100 (Pascal)GP100 (Pascal)GM200 (Maxwell)GK110 (Kepler)
Process Node4nm4nm7nm7nm12nm12nm16nm16nm28nm28nm
Transistors80 Billion80 Billion54.2 Billion54.2 Billion21.1 Billion21.1 Billion15.3 Billion15.3 Billion8 Billion7.1 Billion
GPU Die Size814mm2814mm2826mm2826mm2815mm2815mm2610 mm2610 mm2601 mm2551 mm2
SMs132114108108808056562415
TPCs66575454404028282415
FP32 CUDA Cores Per SM128128646464646464128192
FP64 CUDA Cores / SM128128323232323232464
FP32 CUDA Cores168961459269126912512051203584358430722880
FP64 CUDA Cores168961459234563456256025601792179296960
Tensor Cores528456432432640640N/AN/AN/AN/A
Texture Units528456432432320320224224192240
Boost ClockTBDTBD1410 MHz1410 MHz1601 MHz1530 MHz1480 MHz1329MHz1114 MHz875 MHz
TOPs (DNN/AI)3958 TOPs3200 TOPs1248 TOPs
2496 TOPs with Sparsity
1248 TOPs
2496 TOPs with Sparsity
130 TOPs125 TOPsN/AN/AN/AN/A
FP16 Compute1979 TFLOPs1600 TFLOPs312 TFLOPs
624 TFLOPs with Sparsity
312 TFLOPs
624 TFLOPs with Sparsity
32.8 TFLOPs30.4 TFLOPs21.2 TFLOPs18.7 TFLOPsN/AN/A
FP32 Compute67 TFLOPs800 TFLOPs156 TFLOPs
(19.5 TFLOPs standard)
156 TFLOPs
(19.5 TFLOPs standard)
16.4 TFLOPs15.7 TFLOPs10.6 TFLOPs10.0 TFLOPs6.8 TFLOPs5.04 TFLOPs
FP64 Compute34 TFLOPs48 TFLOPs19.5 TFLOPs
(9.7 TFLOPs standard)
19.5 TFLOPs
(9.7 TFLOPs standard)
8.2 TFLOPs7.80 TFLOPs5.30 TFLOPs4.7 TFLOPs0.2 TFLOPs1.68 TFLOPs
Memory Interface5120-bit HBM35120-bit HBM2e6144-bit HBM2e6144-bit HBM2e4096-bit HBM24096-bit HBM24096-bit HBM24096-bit HBM2384-bit GDDR5384-bit GDDR5
Memory SizeUp To 80 GB HBM3 @ 3.0 GbpsUp To 80 GB HBM2e @ 2.0 GbpsUp To 40 GB HBM2 @ 1.6 TB/s
Up To 80 GB HBM2 @ 1.6 TB/s
Up To 40 GB HBM2 @ 1.6 TB/s
Up To 80 GB HBM2 @ 2.0 TB/s
16 GB HBM2 @ 1134 GB/s16 GB HBM2 @ 900 GB/s16 GB HBM2 @ 732 GB/s16 GB HBM2 @ 732 GB/s
12 GB HBM2 @ 549 GB/s
24 GB GDDR5 @ 288 GB/s12 GB GDDR5 @ 288 GB/s
L2 Cache Size51200 KB51200 KB40960 KB40960 KB6144 KB6144 KB4096 KB4096 KB3072 KB1536 KB
TDP700W350W400W250W250W300W300W250W250W235W
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