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Can the AMD Radeon RX 6800 XT run Gemma 2 27B?

Radeon RX 6800 XT × Gemma 2 27B8K context
Yes, with heavy quantizationFits only at a low-quality quant
Memory at Q2_K13.1 GB of 16 GB
Weights 10.2 GBKV cache 2.3 GBRuntime 0.6 GB
QuantQ2_KHeavily degraded
Speed~30tokens per second
Max context8Kthe model's full window
  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. Gemma 2 27B fits on the AMD Radeon RX 6800 XT at Q2_K, which costs noticeable quality. Expect about 30 tokens/second. A card with more memory is a better experience.

Try other context lengths

Run it with Ollama

Ollama's default gemma2:27b download is Q4_K_M, which needs about 19.4 GB, more than the 16 GB available. Download the Q2_K 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 6800 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 6800 XT can use.

QuantQualityMemoryFits?Speed
FP16Full quality57.3 GBToo big—
Q8_0Near-lossless31.8 GBToo big—
Q6_KExcellent25.2 GBToo big—
Q5_K_MVery good22.3 GBToo big—
Q4_K_MGood, most popular19.4 GBToo big—
Q3_K_MNoticeably degraded16.2 GBToo big—
Q2_KHeavily degraded13.1 GBFits~30 tok/s

Measured speed from real Radeon RX 6800 XT owners

Tokens per second that people measured on their own AMD Radeon RX 6800 XT, next to our estimate.

No one has measured Gemma 2 27B on the AMD Radeon RX 6800 XT yet. The speeds above are estimates. Run the benchmark and yours becomes the first real number on this page.

Have a Radeon RX 6800 XT? Add your real speed

One command times Gemma 2 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 -- gemma2:27b

Windows (PowerShell)

$env:GPUFIT_MODEL="gemma2:27b"; irm https://gpufit.dev/bench.ps1 | iex

How the benchmark works

GPUs that run Gemma 2 27B comfortably

Check Radeon RX 7900 XT prices

Models that run well on the AMD Radeon RX 6800 XT

Frequently asked questions

Can AMD Radeon RX 6800 XT run Gemma 2 27B?

Only just. Gemma 2 27B fits on the AMD Radeon RX 6800 XT at Q2_K, which costs noticeable quality. Expect about 30 tokens/second. A card with more memory is a better experience.

How much VRAM does Gemma 2 27B need?

About 19.4 GB at Q4_K_M with 8,192 tokens of context, and about 57.3 GB at full FP16 precision.

How fast is Gemma 2 27B on the AMD Radeon RX 6800 XT?

Roughly 30 tokens per second at Q2_K, estimated from the AMD Radeon RX 6800 XT's 512 GB/s memory bandwidth.