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NVIDIA RTX PRO 4000 Blackwell SFF 24GB vs NVIDIA RTX PRO 6000 Blackwell Workstation Edition

The RTX PRO 6000 Blackwell delivers 5.3x the FP32 throughput of the RTX PRO 4000 Blackwell SFF (126 vs 24 TFLOPS dense). The RTX PRO 6000 Blackwell also carries 72 GB more memory (96 GB vs 24 GB).

RTX PRO 4000 Blackwell SFF: Blackwell, 2025 RTX PRO 6000 Blackwell: Blackwell, 2025
FP32 dense lead
5.3x
RTX PRO 6000 Blackwell: 126 vs 24 TFLOPS
Memory
24 vs 96 GB
72 GB more for the RTX PRO 6000 Blackwell
Bandwidth
432 GB/s vs 1.8 TB/s
RTX PRO 6000 Blackwell moves data faster
TDP
70 W vs 600 W
RTX PRO 4000 Blackwell SFF draws 530 W less
See rental pricing from $0.79/hr Download comparison sheet

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NVIDIA RTX PRO 4000 Blackwell SFF 24GB vs NVIDIA RTX PRO 6000 Blackwell Workstation Edition

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NVIDIA RTX PRO 4000 Blackwell SFF 24GB

Full specs →

What is the NVIDIA RTX PRO 4000 Blackwell SFF?

The RTX PRO 4000 Blackwell SFF 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 4000 Blackwell SFF full specifications →

Can I rent the RTX PRO 4000 Blackwell SFF in the cloud?

Flopper is not tracking any live rental listings for the RTX PRO 4000 Blackwell SFF yet. The provider directory lists the clouds that rent comparable accelerators on demand. GPU cloud providers →

How does the RTX PRO 4000 Blackwell SFF compare with other accelerators?

This page sets the RTX PRO 4000 Blackwell SFF against the RTX PRO 6000 Blackwell. Both parts launched in the same year. Both are NVIDIA parts, and both ship as a PCIe card, so they fit the same class of system. The compare tool builds the same comparison for any two parts in the catalogue. All GPU comparisons →

Where do the RTX PRO 4000 Blackwell SFF figures come from?

Every RTX PRO 4000 Blackwell SFF figure on this page traces to NVIDIA's own datasheet or specification table. How Flopper verifies specifications →

NVIDIA RTX PRO 6000 Blackwell Workstation Edition

Leads on FP32 Full specs →

What is the NVIDIA RTX PRO 6000 Blackwell?

The RTX PRO 6000 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 6000 Blackwell full specifications →

Can I rent the RTX PRO 6000 Blackwell in the cloud?

Yes. Cloud providers tracked by Flopper rent the RTX PRO 6000 Blackwell by the hour, and the pricing page compares their current rates and the price history side by side. RTX PRO 6000 Blackwell rental prices →

How does the RTX PRO 6000 Blackwell compare with other accelerators?

This page sets the RTX PRO 6000 Blackwell against the RTX PRO 4000 Blackwell SFF. Both parts launched in the same year. Both are NVIDIA parts, and both ship as a PCIe card, so they fit the same class of system. Flopper also compares it head to head with the RTX PRO 5500 Blackwell Workstation Edition, across every published precision, memory and power. RTX PRO 6000 Blackwell vs RTX PRO 5500 Blackwell Workstation Edition →

Where do the RTX PRO 6000 Blackwell figures come from?

Every RTX PRO 6000 Blackwell figure on this page traces to NVIDIA's own datasheet or specification table. How Flopper verifies specifications →

Specifications

RTX PRO 4000 Blackwell SFF
RTX PRO 6000 Blackwell
Architecture
BlackwellBlackwell
Launch Year
20252025
Form Factor
PCIePCIe
Memory
24 GB96 GB
Memory Bandwidth
432 GB/s1.8 TB/s
TDP
70 W600 W
Process Node
4nm4nm

Performance (TFLOPS)

RTX PRO 4000 Blackwell SFF
RTX PRO 6000 Blackwell
No verified data available2 TFLOPS
24 TFLOPS 126 TFLOPS
No verified data available252 TFLOPS
504 TFLOPS sparse
No verified data available504 TFLOPS
1,008 TFLOPS sparse
No verified data available504 TFLOPS
1,008 TFLOPS sparse
No verified data available1,008 TFLOPS
2,015 TFLOPS sparse
FP6
No verified data available No verified data available
385 TFLOPS
770 TFLOPS sparse
2,015 TFLOPS
4,030 TFLOPS sparse
No verified data available1,008 TOPS
2,015 TOPS sparse

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

Both launched in 2025, the RTX PRO 4000 Blackwell SFF on Blackwell and the RTX PRO 6000 Blackwell on Blackwell.

The RTX PRO 6000 Blackwell carries 72 GB more memory (96 GB against 24 GB), so larger models fit on one GPU before you shard. Bandwidth is 432 GB/s against 1.8 TB/s, which sets the ceiling on decode speed.

Power is 70 W against 600 W, and at FP32 the RTX PRO 4000 Blackwell SFF does more work per watt. 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 RTX PRO 4000 Blackwell SFF faster than the RTX PRO 6000 Blackwell?

At FP32 precision the RTX PRO 6000 Blackwell reaches 126 TFLOPS dense against 24 TFLOPS for the RTX PRO 4000 Blackwell SFF. The performance table on this page lists every published precision for both GPUs.

Which should you choose, the RTX PRO 4000 Blackwell SFF or the RTX PRO 6000 Blackwell?

Choose the RTX PRO 6000 Blackwell for training and high-throughput inference: it has 5.3x the FP32 throughput of the RTX PRO 4000 Blackwell SFF. It also carries 72 GB more memory, so larger models fit on one GPU before you shard. The RTX PRO 6000 Blackwell draws 530 W more power, so budget for cooling and power delivery before you commit.

Which has more memory, the RTX PRO 4000 Blackwell SFF or the RTX PRO 6000 Blackwell?

The RTX PRO 6000 Blackwell carries 96 GB of memory versus 24 GB for the RTX PRO 4000 Blackwell SFF. Memory bandwidth is 432 GB/s for the RTX PRO 4000 Blackwell SFF and 1.8 TB/s for the RTX PRO 6000 Blackwell.

How much power do the RTX PRO 4000 Blackwell SFF and the RTX PRO 6000 Blackwell draw?

The RTX PRO 4000 Blackwell SFF is rated at 70 W TDP and the RTX PRO 6000 Blackwell at 600 W. On FP32 throughput per watt, the RTX PRO 4000 Blackwell SFF is the more efficient part.

How much do the RTX PRO 4000 Blackwell SFF and the RTX PRO 6000 Blackwell cost to rent?

Live cloud listings tracked by Flopper price no live listings yet for the RTX PRO 4000 Blackwell SFF, and the RTX PRO 6000 Blackwell from $0.79 per GPU-hour across 16 providers. The rental section on this page links to every provider, rate and the price history for each GPU.

Where to Rent

NVIDIA RTX PRO 4000 Blackwell SFF 24GB

No live rental listings tracked for the RTX PRO 4000 Blackwell SFF yet.

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NVIDIA RTX PRO 6000 Blackwell Workstation Edition

Rent from

$0.79 / GPU-hr

Lowest of 25 live listings across 16 providers · median $2.28

See all RTX PRO 6000 Blackwell rental prices →

Price history and every provider on the pricing page. Some links are affiliate links.

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