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AMD Radeon RX 7900 XT 20GB vs AMD Radeon RX 7900 XTX 24GB

The Radeon RX 7900 XTX delivers 19% more FP16 throughput than the Radeon RX 7900 XT (123 vs 103 TFLOPS dense). The Radeon RX 7900 XTX also carries 4 GB more memory (24 GB vs 20 GB).

Radeon RX 7900 XT: RDNA 3, 2022 Radeon RX 7900 XTX: RDNA 3, 2022
FP16 dense lead
+19%
Radeon RX 7900 XTX: 123 vs 103 TFLOPS
Memory
20 vs 24 GB
4 GB more for the Radeon RX 7900 XTX
Bandwidth
800 GB/s vs 960 GB/s
Radeon RX 7900 XTX moves data faster
TDP
315 W vs 355 W
Radeon RX 7900 XT draws 40 W less
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AMD Radeon RX 7900 XT 20GB vs AMD Radeon RX 7900 XTX 24GB

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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 RX 7900 XTX. 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 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 →

AMD Radeon RX 7900 XTX 24GB

Leads on FP16 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 RX 7900 XT. 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 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 RX 7900 XT
Radeon RX 7900 XTX
Architecture
RDNA 3RDNA 3
Launch Year
20222022
Form Factor
PCIePCIe
Memory
20 GB24 GB
Memory Bandwidth
800 GB/s960 GB/s
TDP
315 W355 W
Process Node
5nm5nm

Performance (TFLOPS)

Radeon RX 7900 XT
Radeon RX 7900 XTX
No verified data available No verified data available
52 TFLOPS 61 TFLOPS
No verified data available No verified data available
No verified data available No verified data available
103 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
103 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 2022, the Radeon RX 7900 XT on RDNA 3 and the Radeon RX 7900 XTX on RDNA 3.

The Radeon RX 7900 XTX carries 4 GB more memory (24 GB against 20 GB), so larger models fit on one GPU before you shard. Bandwidth is 800 GB/s against 960 GB/s, which sets the ceiling on decode speed.

Power is 315 W against 355 W, and at FP32 the Radeon RX 7900 XTX 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 RX 7900 XT faster than the Radeon RX 7900 XTX?

At FP16 precision the Radeon RX 7900 XTX 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 RX 7900 XT or the Radeon RX 7900 XTX?

Choose the Radeon RX 7900 XTX for training and high-throughput inference: it has 19% more FP16 throughput than the Radeon RX 7900 XT. It also carries 4 GB more memory, so larger models fit on one GPU before you shard. The Radeon RX 7900 XTX draws 40 W more power, so budget for cooling and power delivery before you commit.

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

The Radeon RX 7900 XTX carries 24 GB of memory versus 20 GB for the Radeon RX 7900 XT. Memory bandwidth is 800 GB/s for the Radeon RX 7900 XT and 960 GB/s for the Radeon RX 7900 XTX.

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

The Radeon RX 7900 XT is rated at 315 W TDP and the Radeon RX 7900 XTX at 355 W. On FP32 throughput per watt, the Radeon RX 7900 XTX is the more efficient part.

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