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Run LLM Locally

Gemma 2 27B IT on the Radeon PRO W7900

With 48 GB of VRAM, the Radeon PRO W7900 runs Gemma 2 27B IT at Q4_K_M entirely on the GPU with an 8K context (about 19.7 GB needed). At Q8_0 it fits entirely.

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Gemma 2 27B IT

Q4_K_M · 8K context

Excellent

The model needs about 19.7 GB and fits in the 46.6 GB available, with 26.9 GB to spare.

Your hardware
Radeon PRO W7900 48 GB · 64 GB RAM
Estimated memory
~19.7 GB estimate
VRAM (usable memory)
46.6 GB
GPU only
Yes
CPU/GPU offload
Not required
Generation speed
30–42 tok/s estimate
Largest context in fast memory
8K tokens
Confidence: low

Based on: memory bandwidth (864 GB/s) and model size

Memory breakdown

~19.7 GB (18.9 GB–20.5 GB) needed · estimate

Fits entirely in VRAM · 26.9 GB left

  • Model weights15.5 GB
  • KV cache2.2 GB
  • Runtime overhead1.1 GB
  • Safety margin0.9 GB
Assumptions: context 8K tokens · KV cache f16 · llama.cpp (ROCm) · flash attention on · weights = real file size · sliding-window layers keep 4,096 tokens

EstimateData updated 24 days agoSource: Run LLM Locally engine, Hugging Face config.json + model card

What makes this estimate less reliable

  • no benchmark for this hardware and model yet

Other quantizations on the Radeon PRO W7900

Gemma 2 27B IT on Radeon PRO W7900 + 64 GB RAM · 8K context
Gemma 2 27B IT Q8_08K~31.7 GB · 19–26 tok/s estimateExcellent
Gemma 2 27B IT Q6_K8K~25.2 GB · 23–33 tok/s estimateExcellent
Gemma 2 27B IT Q5_K_M8K~22.4 GB · 26–37 tok/s estimateExcellent
Gemma 2 27B IT Q4_K_M8K~19.7 GB · 30–42 tok/s estimateExcellent
Gemma 2 27B IT IQ4_XS8K~17.9 GB · 33–47 tok/s estimateExcellent
Gemma 2 27B IT Q3_K_M8K~16.5 GB · 35–51 tok/s estimateExcellent

Alternatives

GPUs that run Gemma 2 27B IT Q4_K_M entirely in VRAM

Other models that fit the Radeon PRO W7900

Where to buy a Radeon PRO W7900

Prices and links follow the market you choose.

Radeon PRO W7900

48 GB GDDR6 ECC · 864 GB/s · 295 W

ExcellentRuns Gemma 2 27B IT Q4_K_M entirely in memory

Price not available

Availability unknown

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Frequently asked questions

Can the Radeon PRO W7900 run Gemma 2 27B IT?
The model needs about 19.7 GB and fits in the 46.6 GB available, with 26.9 GB to spare.
Which quantization should I use on the Radeon PRO W7900?
Q8_0 is the highest-precision quantization that fits entirely in VRAM at 8K context. ~31.7 GB / 46.6 GB.
What is the largest context on the Radeon PRO W7900?
At Q4_K_M, about 8K tokens fit entirely in VRAM with an f16 KV cache. A q8_0 KV cache roughly doubles that.
How fast is Gemma 2 27B IT (Radeon PRO W7900)?
We estimate 30–42 tok/s (estimate, confidence low). Based on: memory bandwidth (864 GB/s) and model size.