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AMD Radeon PRO W7900 48GB vs AMD Radeon RX 7900 XT 20GB

The Radeon PRO W7900 delivers 19% more FP16 throughput than the Radeon RX 7900 XT (123 vs 103 TFLOPS dense). The Radeon PRO W7900 also carries 28 GB more memory (48 GB vs 20 GB).

Radeon PRO W7900: RDNA 3, 2023 Radeon RX 7900 XT: RDNA 3, 2022
FP16 dense lead
+19%
Radeon PRO W7900: 123 vs 103 TFLOPS
Memory
48 vs 20 GB
28 GB more for the Radeon PRO W7900
Bandwidth
864 GB/s vs 800 GB/s
Radeon PRO W7900 moves data faster
TDP
295 W vs 315 W
Radeon PRO W7900 draws 20 W less
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AMD Radeon PRO W7900 48GB vs AMD Radeon RX 7900 XT 20GB

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AMD Radeon PRO W7900 48GB

Leads on FP16 Full specs →

What is the AMD Radeon PRO W7900?

The Radeon PRO W7900 is a GPU from AMD on the RDNA 3 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 W7900 full specifications →

Can I rent the Radeon PRO W7900 in the cloud?

Flopper is not tracking any live rental listings for the Radeon PRO W7900 yet. The provider directory lists the clouds that rent comparable accelerators on demand. GPU cloud providers →

How does the Radeon PRO W7900 compare with other accelerators?

This page sets the Radeon PRO W7900 against the Radeon RX 7900 XT. The Radeon PRO W7900 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 PRO W7900 figures come from?

Every Radeon PRO W7900 figure on this page traces to AMD's own datasheet or specification table. How Flopper verifies specifications →

AMD Radeon RX 7900 XT 20GB

Full specs →

What is the AMD Radeon RX 7900 XT?

The Radeon RX 7900 XT is a GPU from AMD on the RDNA 3 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 7900 XT full specifications →

Can I rent the Radeon RX 7900 XT in the cloud?

Flopper is not tracking any live rental listings for the Radeon RX 7900 XT yet. The provider directory lists the clouds that rent comparable accelerators on demand. GPU cloud providers →

How does the Radeon RX 7900 XT compare with other accelerators?

This page sets the Radeon RX 7900 XT against the Radeon PRO W7900. The Radeon RX 7900 XT 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 RX 7900 XT figures come from?

Every Radeon RX 7900 XT figure on this page traces to AMD's own datasheet or specification table. How Flopper verifies specifications →

Specifications

Radeon PRO W7900
Radeon RX 7900 XT
Architecture
RDNA 3RDNA 3
Launch Year
20232022
Form Factor
PCIePCIe
Memory
48 GB20 GB
Memory Bandwidth
864 GB/s800 GB/s
TDP
295 W315 W
Process Node
5nm5nm

Performance (TFLOPS)

Radeon PRO W7900
Radeon RX 7900 XT
No verified data available No verified data available
61 TFLOPS 52 TFLOPS
No verified data available No verified data available
No verified data available No verified data available
123 TFLOPS 103 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
123 TOPS 103 TOPS

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 PRO W7900 is the newer part: RDNA 3 (2023) against the Radeon RX 7900 XT's RDNA 3 (2022).

The Radeon PRO W7900 carries 28 GB more memory (48 GB against 20 GB), so larger models fit on one GPU before you shard. Bandwidth is 864 GB/s against 800 GB/s, which sets the ceiling on decode speed.

Power is 295 W against 315 W, and at FP32 the Radeon PRO W7900 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, INT8, Sparsity and TFLOPS.

Frequently asked questions

Is the Radeon PRO W7900 faster than the Radeon RX 7900 XT?

At FP16 precision the Radeon PRO W7900 reaches 123 TFLOPS dense against 103 TFLOPS for the Radeon RX 7900 XT. The performance table on this page lists every published precision for both GPUs.

Which should you choose, the Radeon PRO W7900 or the Radeon RX 7900 XT?

Choose the Radeon PRO W7900 for training and high-throughput inference: it has 19% more FP16 throughput than the Radeon RX 7900 XT. It also carries 28 GB more memory, so larger models fit on one GPU before you shard. The Radeon PRO W7900 draws 20 W less power, which matters in an air-cooled or power-capped rack.

Which has more memory, the Radeon PRO W7900 or the Radeon RX 7900 XT?

The Radeon PRO W7900 carries 48 GB of memory versus 20 GB for the Radeon RX 7900 XT. Memory bandwidth is 864 GB/s for the Radeon PRO W7900 and 800 GB/s for the Radeon RX 7900 XT.

How much power do the Radeon PRO W7900 and the Radeon RX 7900 XT draw?

The Radeon PRO W7900 is rated at 295 W TDP and the Radeon RX 7900 XT at 315 W. On FP32 throughput per watt, the Radeon PRO W7900 is the more efficient part.

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