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AMD Radeon PRO W7800 32GB vs AMD Radeon PRO W7900 48GB

The Radeon PRO W7900 delivers 36% more FP16 throughput than the Radeon PRO W7800 (123 vs 90 TFLOPS dense). The Radeon PRO W7900 also carries 16 GB more memory (48 GB vs 32 GB).

Radeon PRO W7800: RDNA 3, 2023 Radeon PRO W7900: RDNA 3, 2023
FP16 dense lead
+36%
Radeon PRO W7900: 123 vs 90 TFLOPS
Memory
32 vs 48 GB
16 GB more for the Radeon PRO W7900
Bandwidth
576 GB/s vs 864 GB/s
Radeon PRO W7900 moves data faster
TDP
260 W vs 295 W
Radeon PRO W7800 draws 35 W less
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AMD Radeon PRO W7800 32GB vs AMD Radeon PRO W7900 48GB

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AMD Radeon PRO W7800 32GB

Full specs →

What is the AMD Radeon PRO W7800?

The Radeon PRO W7800 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 W7800 full specifications →

Can I rent the Radeon PRO W7800 in the cloud?

Flopper is not tracking any live rental listings for the Radeon PRO W7800 yet. The provider directory lists the clouds that rent comparable accelerators on demand. GPU cloud providers →

How does the Radeon PRO W7800 compare with other accelerators?

This page sets the Radeon PRO W7800 against the Radeon PRO W7900. Both parts launched in the same year. 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 W7800 figures come from?

Every Radeon PRO W7800 figure on this page traces to AMD's own datasheet or specification table. How Flopper verifies specifications →

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 PRO W7800. Both parts launched in the same year. 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 →

Specifications

Radeon PRO W7800
Radeon PRO W7900
Architecture
RDNA 3RDNA 3
Launch Year
20232023
Form Factor
PCIePCIe
Memory
32 GB48 GB
Memory Bandwidth
576 GB/s864 GB/s
TDP
260 W295 W
Process Node
5nm5nm

Performance (TFLOPS)

Radeon PRO W7800
Radeon PRO W7900
No verified data available No verified data available
45 TFLOPS 61 TFLOPS
No verified data available No verified data available
No verified data available No verified data available
90 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
90 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

Both launched in 2023, the Radeon PRO W7800 on RDNA 3 and the Radeon PRO W7900 on RDNA 3.

The Radeon PRO W7900 carries 16 GB more memory (48 GB against 32 GB), so larger models fit on one GPU before you shard. Bandwidth is 576 GB/s against 864 GB/s, which sets the ceiling on decode speed.

Power is 260 W against 295 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 W7800 faster than the Radeon PRO W7900?

At FP16 precision the Radeon PRO W7900 reaches 123 TFLOPS dense against 90 TFLOPS for the Radeon PRO W7800. The performance table on this page lists every published precision for both GPUs.

Which should you choose, the Radeon PRO W7800 or the Radeon PRO W7900?

Choose the Radeon PRO W7900 for training and high-throughput inference: it has 36% more FP16 throughput than the Radeon PRO W7800. It also carries 16 GB more memory, so larger models fit on one GPU before you shard. The Radeon PRO W7900 draws 35 W more power, so budget for cooling and power delivery before you commit.

Which has more memory, the Radeon PRO W7800 or the Radeon PRO W7900?

The Radeon PRO W7900 carries 48 GB of memory versus 32 GB for the Radeon PRO W7800. Memory bandwidth is 576 GB/s for the Radeon PRO W7800 and 864 GB/s for the Radeon PRO W7900.

How much power do the Radeon PRO W7800 and the Radeon PRO W7900 draw?

The Radeon PRO W7800 is rated at 260 W TDP and the Radeon PRO W7900 at 295 W. On FP32 throughput per watt, the Radeon PRO W7900 is the more efficient part.

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