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Can the AMD Radeon RX 7900 XT run Gemma 2 9B?

Radeon RX 7900 XT × Gemma 2 9B8K context
YesRuns fully on the GPU
Memory at Q8_012.5 GB of 20 GB
Weights 9.8 GBKV cache 2.1 GBRuntime 0.6 GB
QuantQ8_0Near-lossless
Speed~49tokens 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

Yes. The AMD Radeon RX 7900 XT can run Gemma 2 9B fully in VRAM at Q8_0 (near-lossless), using about 12.5 GB of the 20 GB available, at roughly 49 tokens/second.

Try other context lengths

Run it with Ollama

With Ollama installed, one command downloads and starts Gemma 2 9B:

ollama run gemma2:9b

Ollama's default download is Q4_K_M (about 8.3 GB here). You have room for Q8_0, which is near-lossless: pick that GGUF in LM Studio or from Hugging Face.

New to this? Step-by-step setup for the Radeon RX 7900 XT

Run it in the cloud

No AMD Radeon RX 7900 XT? Run Gemma 2 9B in the cloud.

Rent a cloud GPU by the hour. No upfront cost, stop any time.

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Memory needed by quantization

At 8,192 tokens of context. The black line marks the 20 GB the AMD Radeon RX 7900 XT can use.

QuantQualityMemoryFits?Speed
FP16Full quality21.2 GBToo big—
Q8_0Near-lossless12.5 GBFits~49 tok/s
Q6_KExcellent10.3 GBFits~63 tok/s
Q5_K_MVery good9.3 GBFits~73 tok/s
Q4_K_MGood, most popular8.3 GBFits~86 tok/s
Q3_K_MNoticeably degraded7.2 GBFits~106 tok/s
Q2_KHeavily degraded6.2 GBFits~139 tok/s

Measured speed from real Radeon RX 7900 XT owners

Tokens per second that people measured on their own AMD Radeon RX 7900 XT, next to our estimate.

No one has measured Gemma 2 9B on the AMD Radeon RX 7900 XT yet. The speeds above are estimates. Run the benchmark and yours becomes the first real number on this page.

Have a Radeon RX 7900 XT? Add your real speed

One command times Gemma 2 9B 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 -- gemma2:9b

Windows (PowerShell)

$env:GPUFIT_MODEL="gemma2:9b"; irm https://gpufit.dev/bench.ps1 | iex

How the benchmark works

GPUs that run Gemma 2 9B comfortably

Models that run well on the AMD Radeon RX 7900 XT

Frequently asked questions

Can AMD Radeon RX 7900 XT run Gemma 2 9B?

Yes. The AMD Radeon RX 7900 XT can run Gemma 2 9B fully in VRAM at Q8_0 (near-lossless), using about 12.5 GB of the 20 GB available, at roughly 49 tokens/second.

How much VRAM does Gemma 2 9B need?

About 8.3 GB at Q4_K_M with 8,192 tokens of context, and about 21.2 GB at full FP16 precision.

How fast is Gemma 2 9B on the AMD Radeon RX 7900 XT?

Roughly 49 tokens per second at Q8_0, estimated from the AMD Radeon RX 7900 XT's 800 GB/s memory bandwidth.