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AMD Radeon RX 6800 XT 16GB vs AMD Radeon RX 6900 XT 16GB

The Radeon RX 6900 XT delivers 11% more FP16 throughput than the Radeon RX 6800 XT (46 vs 41 TFLOPS dense).

Radeon RX 6800 XT: RDNA 2, 2020 Radeon RX 6900 XT: RDNA 2, 2020
FP16 dense lead
+11%
Radeon RX 6900 XT: 46 vs 41 TFLOPS
Memory
16 vs 16 GB
Same capacity
Bandwidth
512 GB/s vs 512 GB/s
Even
TDP
300 W vs 300 W
Same power budget
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AMD Radeon RX 6800 XT 16GB vs AMD Radeon RX 6900 XT 16GB

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AMD Radeon RX 6800 XT 16GB

Full specs →

What is the AMD Radeon RX 6800 XT?

The Radeon RX 6800 XT is a GPU from AMD on the RDNA 2 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 6800 XT full specifications →

Can I rent the Radeon RX 6800 XT in the cloud?

Flopper is not tracking any live rental listings for the Radeon RX 6800 XT yet. The provider directory lists the clouds that rent comparable accelerators on demand. GPU cloud providers →

How does the Radeon RX 6800 XT compare with other accelerators?

This page sets the Radeon RX 6800 XT against the Radeon RX 6900 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 6800 XT figures come from?

Every Radeon RX 6800 XT figure on this page traces to AMD's own datasheet or specification table. How Flopper verifies specifications →

AMD Radeon RX 6900 XT 16GB

Leads on FP16 Full specs →

What is the AMD Radeon RX 6900 XT?

The Radeon RX 6900 XT is a GPU from AMD on the RDNA 2 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 6900 XT full specifications →

Can I rent the Radeon RX 6900 XT in the cloud?

Flopper is not tracking any live rental listings for the Radeon RX 6900 XT yet. The provider directory lists the clouds that rent comparable accelerators on demand. GPU cloud providers →

How does the Radeon RX 6900 XT compare with other accelerators?

This page sets the Radeon RX 6900 XT against the Radeon RX 6800 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 6900 XT figures come from?

Every Radeon RX 6900 XT figure on this page traces to AMD's own datasheet or specification table. How Flopper verifies specifications →

Specifications

Radeon RX 6800 XT
Radeon RX 6900 XT
Architecture
RDNA 2RDNA 2
Launch Year
20202020
Form Factor
PCIePCIe
Memory
16 GB16 GB
Memory Bandwidth
512 GB/s512 GB/s
TDP
300 W300 W
Process Node
7nm7nm

Performance (TFLOPS)

Radeon RX 6800 XT
Radeon RX 6900 XT
No verified data available No verified data available
21 TFLOPS 23 TFLOPS
No verified data available No verified data available
No verified data available No verified data available
41 TFLOPS 46 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
No verified data available No verified data available

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 2020, the Radeon RX 6800 XT on RDNA 2 and the Radeon RX 6900 XT on RDNA 2.

Both carry 16 GB of memory. Bandwidth is 512 GB/s against 512 GB/s, which sets the ceiling on decode speed.

Power is 300 W against 300 W, and at FP32 the Radeon RX 6900 XT 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, Sparsity and TFLOPS.

Frequently asked questions

Is the Radeon RX 6800 XT faster than the Radeon RX 6900 XT?

At FP16 precision the Radeon RX 6900 XT reaches 46 TFLOPS dense against 41 TFLOPS for the Radeon RX 6800 XT. The performance table on this page lists every published precision for both GPUs.

Which should you choose, the Radeon RX 6800 XT or the Radeon RX 6900 XT?

Choose the Radeon RX 6900 XT for training and high-throughput inference: it has 11% more FP16 throughput than the Radeon RX 6800 XT.

Which has more memory, the Radeon RX 6800 XT or the Radeon RX 6900 XT?

Both GPUs carry 16 GB of memory. Memory bandwidth is 512 GB/s for the Radeon RX 6800 XT and 512 GB/s for the Radeon RX 6900 XT.

How much power do the Radeon RX 6800 XT and the Radeon RX 6900 XT draw?

The Radeon RX 6800 XT is rated at 300 W TDP and the Radeon RX 6900 XT at 300 W. On FP32 throughput per watt, the Radeon RX 6900 XT is the more efficient part.

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