~/can-i-run/gemma-4-e4b
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Can I run Gemma 4 E4B?

Short answer: yes, on a RTX 3060 12GB (12GB) at FP16/BF16. Long answer below.

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The math, in one paragraph.

$ ./vrambudget --explain gemma-4-e4b

Gemma 4 E4B has 4B parameters. At FP16 that's 8.0 GB of raw weights. Quantization shrinks that, but you also need budget for the KV cache (definition), framework overhead, and safety headroom. The rule of thumb: real usable budget on a card is roughly its nameplate VRAM minus 25%. That's how the table below was computed.

What hardware actually fits.

$ grep "fits" gpus.json
FP16/BF16
8.0GB
39 GPUs fit
RTX 3060 12GB12GBRTX 3080 Ti12GBRTX 407012GBRTX 4070 Super12GB+ 35 more
Q8_0
4.3GB
42 GPUs fit
RTX 30708GBRTX 40608GBRTX 308010GBRTX 3060 12GB12GB+ 38 more
Q5_K_M
2.8GB
42 GPUs fit
RTX 30708GBRTX 40608GBRTX 308010GBRTX 3060 12GB12GB+ 38 more
Q4_K_M
2.3GB
42 GPUs fit
RTX 30708GBRTX 40608GBRTX 308010GBRTX 3060 12GB12GB+ 38 more
Q3_K_M
1.7GB
42 GPUs fit
RTX 30708GBRTX 40608GBRTX 308010GBRTX 3060 12GB12GB+ 38 more

Pick your path.

$ ls strategies/
Tightest budget

Smallest GPU that fits Gemma 4 E4B at any quant: RTX 3060 12GB at FP16/BF16.

Reference quality (FP16)

Lossless inference needs 8.0 GB. Pick from 39 cards.

Best quality on a 24GB card

FP16/BF16 fits comfortably (8.0 GB weights).

Tune the math yourself

Open the calculator pre-tuned for Gemma 4 E4B: ↗ /calc?model=gemma-4-e4b

See the full model page.

$ ./open
$ openGemma 4 E4B4BGoogle · ctx 128K$ rankBest GPU for Gemma 4 E4Bsee the ranking →ranked by fit quality

Discussion.

$ gh discussion list

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