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AMD Radeon PRO W7900 48GB vs AMD Radeon RX 7900 XTX 24GB

The Radeon PRO W7900 and the Radeon RX 7900 XTX deliver near-identical FP16 throughput (123 vs 123 TFLOPS dense). The Radeon PRO W7900 also carries 24 GB more memory (48 GB vs 24 GB).

Radeon PRO W7900: RDNA 3, 2023 Radeon RX 7900 XTX: RDNA 3, 2022
Memory
48 vs 24 GB
24 GB more for the Radeon PRO W7900
Bandwidth
864 GB/s vs 960 GB/s
Radeon RX 7900 XTX moves data faster
TDP
295 W vs 355 W
Radeon PRO W7900 draws 60 W less
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AMD Radeon PRO W7900 48GB vs AMD Radeon RX 7900 XTX 24GB

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AMD Radeon PRO W7900 48GB

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 XTX. 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 XTX 24GB

Full specs →

What is the AMD Radeon RX 7900 XTX?

The Radeon RX 7900 XTX 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 XTX full specifications →

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

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

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

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

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

Specifications

Radeon PRO W7900
Radeon RX 7900 XTX
Architecture
RDNA 3RDNA 3
Launch Year
20232022
Form Factor
PCIePCIe
Memory
48 GB24 GB
Memory Bandwidth
864 GB/s960 GB/s
TDP
295 W355 W
Process Node
5nm5nm

Performance (TFLOPS)

Radeon PRO W7900
Radeon RX 7900 XTX
No verified data available No verified data available
61 TFLOPS 61 TFLOPS
No verified data available No verified data available
No verified data available No verified data available
123 TFLOPS 123 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 123 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 XTX's RDNA 3 (2022).

The Radeon PRO W7900 carries 24 GB more memory (48 GB against 24 GB), so larger models fit on one GPU before you shard. Bandwidth is 864 GB/s against 960 GB/s, which sets the ceiling on decode speed.

Power is 295 W against 355 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 XTX?

They are close on paper: both deliver about 123 TFLOPS of dense FP16 throughput. Memory, bandwidth, and power are the deciding differences.

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

On raw FP16 throughput the Radeon PRO W7900 and the Radeon RX 7900 XTX are level, so the decision rests on memory, power and price. Choose the Radeon PRO W7900 when the model has to fit on one GPU: it carries 24 GB more memory. The Radeon PRO W7900 draws 60 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 XTX?

The Radeon PRO W7900 carries 48 GB of memory versus 24 GB for the Radeon RX 7900 XTX. Memory bandwidth is 864 GB/s for the Radeon PRO W7900 and 960 GB/s for the Radeon RX 7900 XTX.

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

The Radeon PRO W7900 is rated at 295 W TDP and the Radeon RX 7900 XTX at 355 W. On FP32 throughput per watt, the Radeon PRO W7900 is the more efficient part.

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