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AMD Radeon PRO W6600 8GB vs AMD Radeon RX 6950 XT 16GB

The Radeon RX 6950 XT delivers 2.3x the FP16 throughput of the Radeon PRO W6600 (47 vs 21 TFLOPS dense). The Radeon RX 6950 XT also carries 8 GB more memory (16 GB vs 8 GB).

Radeon PRO W6600: RDNA 2, 2021 Radeon RX 6950 XT: RDNA 2, 2022
FP16 dense lead
2.3x
Radeon RX 6950 XT: 47 vs 21 TFLOPS
Memory
8 vs 16 GB
8 GB more for the Radeon RX 6950 XT
Bandwidth
224 GB/s vs 576 GB/s
Radeon RX 6950 XT moves data faster
TDP
130 W vs 335 W
Radeon PRO W6600 draws 205 W less
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AMD Radeon PRO W6600 8GB vs AMD Radeon RX 6950 XT 16GB

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AMD Radeon PRO W6600 8GB

Full specs →

What is the AMD Radeon PRO W6600?

The Radeon PRO W6600 is a GPU from AMD on the RDNA 2 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. Radeon PRO W6600 full specifications →

Can I rent the Radeon PRO W6600 in the cloud?

Flopper is not tracking any live rental listings for the Radeon PRO W6600 yet. The provider directory lists the clouds that rent comparable accelerators on demand. GPU cloud providers →

How does the Radeon PRO W6600 compare with other accelerators?

This page sets the Radeon PRO W6600 against the Radeon RX 6950 XT. The Radeon PRO W6600 is the older generation of the two. Both are AMD 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 Radeon PRO W6600 figures come from?

Every Radeon PRO W6600 figure on this page traces to AMD's own datasheet or specification table. How Flopper verifies specifications →

AMD Radeon RX 6950 XT 16GB

Leads on FP16 Full specs →

What is the AMD Radeon RX 6950 XT?

The Radeon RX 6950 XT is a GPU from AMD on the RDNA 2 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. Radeon RX 6950 XT full specifications →

Can I rent the Radeon RX 6950 XT in the cloud?

Flopper is not tracking any live rental listings for the Radeon RX 6950 XT yet. The provider directory lists the clouds that rent comparable accelerators on demand. GPU cloud providers →

How does the Radeon RX 6950 XT compare with other accelerators?

This page sets the Radeon RX 6950 XT against the Radeon PRO W6600. The Radeon RX 6950 XT is the newer generation of the two. Both are AMD 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 Radeon RX 6950 XT figures come from?

Every Radeon RX 6950 XT figure on this page traces to AMD's own datasheet or specification table. How Flopper verifies specifications →

Specifications

Radeon PRO W6600
Radeon RX 6950 XT
Architecture
RDNA 2RDNA 2
Launch Year
20212022
Form Factor
PCIePCIe
Memory
8 GB16 GB
Memory Bandwidth
224 GB/s576 GB/s
TDP
130 W335 W
Process Node
7nm7nm

Performance (TFLOPS)

Radeon PRO W6600
Radeon RX 6950 XT
No verified data available No verified data available
10 TFLOPS 24 TFLOPS
No verified data available No verified data available
No verified data available No verified data available
21 TFLOPS 47 TFLOPS
No verified data available No verified data available
FP6
No verified data available No verified data available
No verified data available No verified data available
No verified data available 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 Radeon RX 6950 XT is the newer part: RDNA 2 (2022) against the Radeon PRO W6600's RDNA 2 (2021).

The Radeon RX 6950 XT carries 8 GB more memory (16 GB against 8 GB), so larger models fit on one GPU before you shard. Bandwidth is 224 GB/s against 576 GB/s, which sets the ceiling on decode speed.

Power is 130 W against 335 W, and at FP32 the Radeon PRO W6600 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 FP32, FP16, Sparsity and TFLOPS.

Frequently asked questions

Is the Radeon PRO W6600 faster than the Radeon RX 6950 XT?

At FP16 precision the Radeon RX 6950 XT reaches 47 TFLOPS dense against 21 TFLOPS for the Radeon PRO W6600. The performance table on this page lists every published precision for both GPUs.

Which should you choose, the Radeon PRO W6600 or the Radeon RX 6950 XT?

Choose the Radeon RX 6950 XT for training and high-throughput inference: it has 2.3x the FP16 throughput of the Radeon PRO W6600. It also carries 8 GB more memory, so larger models fit on one GPU before you shard. The Radeon RX 6950 XT draws 205 W more power, so budget for cooling and power delivery before you commit.

Which has more memory, the Radeon PRO W6600 or the Radeon RX 6950 XT?

The Radeon RX 6950 XT carries 16 GB of memory versus 8 GB for the Radeon PRO W6600. Memory bandwidth is 224 GB/s for the Radeon PRO W6600 and 576 GB/s for the Radeon RX 6950 XT.

How much power do the Radeon PRO W6600 and the Radeon RX 6950 XT draw?

The Radeon PRO W6600 is rated at 130 W TDP and the Radeon RX 6950 XT at 335 W. On FP32 throughput per watt, the Radeon PRO W6600 is the more efficient part.

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