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NVIDIA GB200 Grace Blackwell Superchip 372GB vs NVIDIA RTX PRO 4500 Blackwell Server Edition

The GB200 delivers 24.7x the FP8 throughput of the RTX PRO 4500 Blackwell (10,000 vs 406 TFLOPS dense). The GB200 also carries 340 GB more memory (372 GB vs 32 GB).

GB200: Blackwell, 2024 RTX PRO 4500 Blackwell: Blackwell, 2026
FP8 dense lead
24.7x
GB200: 10,000 vs 406 TFLOPS
Memory
372 vs 32 GB
340 GB more for the GB200
Bandwidth
16.0 TB/s vs 800 GB/s
GB200 moves data faster
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NVIDIA GB200 Grace Blackwell Superchip 372GB vs NVIDIA RTX PRO 4500 Blackwell Server Edition

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NVIDIA GB200 Grace Blackwell Superchip 372GB

Leads on FP8 Full specs →

What is the NVIDIA GB200?

The GB200 is a GPU from NVIDIA on the Blackwell architecture, an accelerator for AI training, inference and high-performance computing. It is a superchip that pairs a CPU and accelerators on one board for rack-scale systems. GB200 full specifications →

Can I rent the GB200 in the cloud?

Flopper is not tracking any live rental listings for the GB200 yet. The provider directory lists the clouds that rent comparable accelerators on demand. GPU cloud providers →

How does the GB200 compare with other accelerators?

This page sets the GB200 against the RTX PRO 4500 Blackwell. The GB200 is the older generation of the two. Both are NVIDIA parts; the GB200 is a superchip while the RTX PRO 4500 Blackwell is a PCIe card. The compare tool builds the same comparison for any two parts in the catalogue. All GPU comparisons →

Where do the GB200 figures come from?

Every GB200 figure on this page traces to NVIDIA's own datasheet or specification table. How Flopper verifies specifications →

NVIDIA RTX PRO 4500 Blackwell Server Edition

Full specs →

What is the NVIDIA RTX PRO 4500 Blackwell?

The RTX PRO 4500 Blackwell is a GPU from NVIDIA on the Blackwell architecture, an accelerator for AI training, inference and high-performance computing. It is a PCIe add-in card, so it fits standard servers and workstations. RTX PRO 4500 Blackwell full specifications →

Can I rent the RTX PRO 4500 Blackwell in the cloud?

Flopper is not tracking any live rental listings for the RTX PRO 4500 Blackwell yet. The provider directory lists the clouds that rent comparable accelerators on demand. GPU cloud providers →

How does the RTX PRO 4500 Blackwell compare with other accelerators?

This page sets the RTX PRO 4500 Blackwell against the GB200. The RTX PRO 4500 Blackwell is the newer generation of the two. Both are NVIDIA parts; the RTX PRO 4500 Blackwell is a PCIe card while the GB200 is a superchip. Flopper also compares it head to head with the RTX PRO 4500 Blackwell 32GB and RTX PRO 6000 Blackwell Server Edition, across every published precision, memory and power. RTX PRO 4500 Blackwell vs RTX PRO 4500 Blackwell 32GB →

Where do the RTX PRO 4500 Blackwell figures come from?

Every RTX PRO 4500 Blackwell figure on this page traces to NVIDIA's own datasheet or specification table. How Flopper verifies specifications →

Specifications

GB200
RTX PRO 4500 Blackwell
Architecture
BlackwellBlackwell
Launch Year
20242026
Form Factor
SuperchipPCIe
Memory
372 GB32 GB
Memory Bandwidth
16.0 TB/s800 GB/s
TDP
—165 W
Process Node
4nm4nm

Performance (TFLOPS)

GB200
RTX PRO 4500 Blackwell
80 TFLOPS No verified data available
160 TFLOPS 51 TFLOPS
2,500 TFLOPS
5,000 TFLOPS sparse
102 TFLOPS
203 TFLOPS sparse
5,000 TFLOPS
10,000 TFLOPS sparse
203 TFLOPS
406 TFLOPS sparse
5,000 TFLOPS
10,000 TFLOPS sparse
203 TFLOPS
406 TFLOPS sparse
10,000 TFLOPS
20,000 TFLOPS sparse
406 TFLOPS
811 TFLOPS sparse
FP6
10,000 TFLOPS
20,000 TFLOPS sparse
 No verified data available
20,000 TFLOPS
40,000 TFLOPS sparse
800 TFLOPS
1,600 TFLOPS sparse
10,000 TOPS
20,000 TOPS sparse
 No verified data available

Figures are dense. Where a vendor publishes a figure it sits under the dense one and never decides a winner. Hover any precision for its definition, or read the GPU glossary.

FLOPS by Precision

What actually differs

The RTX PRO 4500 Blackwell is the newer part: Blackwell (2026) against the GB200's Blackwell (2024).

The GB200 carries 340 GB more memory (372 GB against 32 GB), so larger models fit on one GPU before you shard. Bandwidth is 16.0 TB/s against 800 GB/s, which sets the ceiling on decode speed.

Weight the FP8 and FP16 rows for LLM work and the FP64 row for HPC.

New to the terms? The glossary explains FP64, FP32, TF32, BF16, FP16, FP8, FP4, INT8, Sparsity and TFLOPS. For how the generations relate, see NVIDIA architectures explained.

Frequently asked questions

Is the GB200 faster than the RTX PRO 4500 Blackwell?

At FP8 precision the GB200 reaches 10,000 TFLOPS dense against 406 TFLOPS for the RTX PRO 4500 Blackwell. The performance table on this page lists every published precision for both GPUs.

Which should you choose, the GB200 or the RTX PRO 4500 Blackwell?

Choose the GB200 for training and high-throughput inference: it has 24.7x the FP8 throughput of the RTX PRO 4500 Blackwell. It also carries 340 GB more memory, so larger models fit on one GPU before you shard. Packaging differs too: the GB200 is a superchip while the RTX PRO 4500 Blackwell is a PCIe card, so check what your servers accept.

Which has more memory, the GB200 or the RTX PRO 4500 Blackwell?

The GB200 carries 372 GB of memory versus 32 GB for the RTX PRO 4500 Blackwell. Memory bandwidth is 16.0 TB/s for the GB200 and 800 GB/s for the RTX PRO 4500 Blackwell.

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