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Can the RTX A6000 48GB Run Gemma 3 27B at Q8_0?

Runs

Yes. Gemma 3 27B at Q8_0 is a 28.7 GB download (Hugging Face file listing for unsloth/gemma-3-27b-it-GGUF), and the RTX A6000 48GB has 48 GB of VRAM, leaving about 19.3 GB for the KV cache and runtime. No published speed measurement for this pair passes SpecPicks' sanity checks yet, so no tokens-per-second figure is quoted.

Model file28.7 GBQ8_0
VRAM48 GBRTX A6000 48GB
Headroom19.3 GBafter weights
Median speed—0 cited runs
Bandwidth ceiling~27 tok/s768 GB/s ÷ 28.71 GB

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Published runs for Gemma 3 27B on the RTX A6000 48GB

No published run for this pair has passed the checks yet.

More about this pair

How much VRAM does Gemma 3 27B need?

The Q8_0 file is 28.7 GB. Add roughly 1.5 GB for the runtime and an ~8K-token context, so about 30.2 GB of VRAM holds it comfortably. Longer contexts grow the KV cache and need more.

What speed does Gemma 3 27B reach on the RTX A6000 48GB?

No published run of Gemma 3 27B on the RTX A6000 48GB has been cited yet. Generation reads every weight once per token, so the RTX A6000 48GB's 768 GB/s of memory bandwidth divided by the 28.71 GB file puts the theoretical ceiling near 27 tokens per second. That is an upper bound, not a speed estimate: kernel, launch and compute overhead keep real runs below it.

Check another pair

See the full matrix → · All RTX A6000 48GB benchmarks →

Gemma 3 27B on other GPUs

Other models on the RTX A6000 48GB

How the checks work

The fit is the Q8_0 file size against the card's VRAM, with 1.5 GB kept for the runtime and an ~8K context. A published run counts only if the pair fits, the run is Q4-class, its source does not call it an estimate, it is under the bandwidth ceiling (memory bandwidth ÷ GB read per token: the whole file for a dense model, only the active experts' weights for a mixture-of-experts model such as gpt-oss-20b or Qwen3 30B-A3B, which is why those can post figures above bandwidth ÷ file size), it is not slower than the same card on a model twice its size, a single run is not slower than the same card on a larger dense model, and it is not one figure pasted across many cards. The whole matrix is downloadable as a CSV under CC BY 4.0.

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This page is editorial synthesis based on publicly available information. No independent first-party benchmarking is reported.