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

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

Radeon PRO W7900 Dual Slot: RDNA 3, 2024 Radeon RX 7900 XT: RDNA 3, 2022
FP16 dense lead
+19%
Radeon PRO W7900 Dual Slot: 123 vs 103 TFLOPS
Memory
48 vs 20 GB
28 GB more for the Radeon PRO W7900 Dual Slot
Bandwidth
864 GB/s vs 800 GB/s
Radeon PRO W7900 Dual Slot moves data faster
TDP
295 W vs 315 W
Radeon PRO W7900 Dual Slot draws 20 W less
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AMD Radeon PRO W7900 Dual Slot 48GB vs AMD Radeon RX 7900 XT 20GB

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AMD Radeon PRO W7900 Dual Slot 48GB

Leads on FP16 Full specs →

What is the AMD Radeon PRO W7900 Dual Slot?

The Radeon PRO W7900 Dual Slot 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 Dual Slot full specifications →

Can I rent the Radeon PRO W7900 Dual Slot in the cloud?

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

How does the Radeon PRO W7900 Dual Slot compare with other accelerators?

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

Every Radeon PRO W7900 Dual Slot 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 Dual Slot. 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 Dual Slot
Radeon RX 7900 XT
Architecture
RDNA 3RDNA 3
Launch Year
20242022
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 Dual Slot
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 Dual Slot is the newer part: RDNA 3 (2024) against the Radeon RX 7900 XT's RDNA 3 (2022).

The Radeon PRO W7900 Dual Slot 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 Dual Slot 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 Dual Slot faster than the Radeon RX 7900 XT?

At FP16 precision the Radeon PRO W7900 Dual Slot 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 Dual Slot or the Radeon RX 7900 XT?

Choose the Radeon PRO W7900 Dual Slot 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 Dual Slot draws 20 W less power, which matters in an air-cooled or power-capped rack.

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

The Radeon PRO W7900 Dual Slot 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 Dual Slot and 800 GB/s for the Radeon RX 7900 XT.

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

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

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