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Can the AMD Radeon RX 7800 XT run Qwen3.6 27B?

Radeon RX 7800 XT × Qwen3.6 27B8K context
Yes, with heavy quantizationFits only at a low-quality quant
Memory at Q3_K_M14.7 GB of 16 GB
Weights 13.6 GBKV cache 0.5 GBRuntime 0.6 GB
QuantQ3_K_MNoticeably degraded
Speed~28tokens per second
Max context26Ktokens that fit at Q3_K_M
  1. FP16
  2. Q8_0
  3. Q6_K
  4. Q5_K_M
  5. Q4_K_M
  6. Q3_K_M
  7. Q2_K

Only just. Qwen3.6 27B fits on the AMD Radeon RX 7800 XT at Q3_K_M, which costs noticeable quality. Expect about 28 tokens/second. A card with more memory is a better experience.

Try other context lengths

Run it with Ollama

Ollama's default qwen3.6:27b download is Q4_K_M, which needs about 18 GB, more than the 16 GB available. Download the Q3_K_M GGUF instead (LM Studio lists quants per model), or try a smaller context length.

New to this? Step-by-step setup for the Radeon RX 7800 XT

Run it in the cloud

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Memory needed by quantization

At 8,192 tokens of context. The black line marks the 16 GB the AMD Radeon RX 7800 XT can use.

QuantQualityMemoryFits?Speed
FP16Full quality56.7 GBToo big—
Q8_0Near-lossless30.7 GBToo big—
Q6_KExcellent23.9 GBToo big—
Q5_K_MVery good20.9 GBToo big—
Q4_K_MGood, most popular18 GBToo big—
Q3_K_MNoticeably degraded14.7 GBFits~28 tok/s
Q2_KHeavily degraded11.6 GBFits~36 tok/s

Measured speed from real Radeon RX 7800 XT owners

Tokens per second that people measured on their own AMD Radeon RX 7800 XT, next to our estimate.

No one has measured Qwen3.6 27B on the AMD Radeon RX 7800 XT yet. The speeds above are estimates. Run the benchmark and yours becomes the first real number on this page.

Have a Radeon RX 7800 XT? Add your real speed

One command times Qwen3.6 27B in your own Ollama, shows you exactly what it would send, and asks before sending anything. No sign-up, no personal data.

macOS and Linux

curl -fsSL https://gpufit.dev/bench.sh | sh -s -- qwen3.6:27b

Windows (PowerShell)

$env:GPUFIT_MODEL="qwen3.6:27b"; irm https://gpufit.dev/bench.ps1 | iex

How the benchmark works

GPUs that run Qwen3.6 27B comfortably

Check Radeon RX 7900 XT prices

Models that run well on the AMD Radeon RX 7800 XT

Frequently asked questions

Can AMD Radeon RX 7800 XT run Qwen3.6 27B?

Only just. Qwen3.6 27B fits on the AMD Radeon RX 7800 XT at Q3_K_M, which costs noticeable quality. Expect about 28 tokens/second. A card with more memory is a better experience.

How much VRAM does Qwen3.6 27B need?

About 18 GB at Q4_K_M with 8,192 tokens of context, and about 56.7 GB at full FP16 precision.

How fast is Qwen3.6 27B on the AMD Radeon RX 7800 XT?

Roughly 28 tokens per second at Q3_K_M, estimated from the AMD Radeon RX 7800 XT's 624 GB/s memory bandwidth.