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gemma-4-12B-it

Gemma family · 12.0B params

4recorded runs
89.7best tok/s
2verified

Evidence: 2 sourced runs · 2 awaiting review · 1 independent source · first recorded Jul 2, 2026 · last recorded Aug 19, 2026. What these labels mean.

What the gemma-4-12B-it numbers mean

The fastest verified result on our board is 89.7 output tok/s on an RTX 3060 at Q4_K_XL with a 4096-token context. That is about 11.2 ms per generated token — 500 tokens takes roughly 5.6 seconds. Prompt processing on the same record runs at 114.9 tok/s, so a 2,000-token prompt is read in about 17.4 seconds. Peak VRAM was measured at 9.3 GB. Across the 4 records we hold for this model the range is 37.0–89.7 tok/s on 3 GPUs, because quantisation, context length and the engine build all move the number.

How much VRAM does gemma-4-12B-it need?

gemma-4-12B-it has 12.0B parameters. These estimates use the same formula as the VRAM calculator: weights, plus about 15% for a moderate-context KV cache and runtime overhead, plus a small engine floor.

QuantisationEstimated VRAMSmallest card that fits
Q4_K_M (4-bit)8.6 GB12 GB
Q8_0 (8-bit)15.5 GB24 GB
FP16 (16-bit)28.4 GB48 GB

Long contexts and large batches raise the real number — read the smallest card as "possible with a reduced context". Measured throughput is on the benchmark board.

Fastest GPUs for this model (best tok/s)
  1. RTX 306089.7
  2. RTX 509088.3
  3. Radeon AI Pro R970058.2

Models with a similar footprint

ModelParamsQ4_K_M weights
gemma-3-12b-it12B6.8 GB
gemma-4-12B-coder-fable5-composer2.5-v112B6.8 GB
gemma-4-12B-it-qat12B6.8 GB
NVIDIA-Nemotron-Nano-12B-v212B6.8 GB
GLM-4.6V-Flash10B5.6 GB
InternVL3-14B14B7.9 GB

Ranked by distance from gemma-4-12B-it's parameter count. Full benchmark board.

All benchmarks Methodology

GPUModelQuantBackendCtx tok/sprompt tok/sVRAM GBSource
RTX 3060 · 12 GBgemma-4-12B-itQ4_K_XLllama.cpp b9775 / be4a6a63e409689.7 ✓114.99.3src
RTX 3060 · 12 GBgemma-4-12B-itQ4_K_Mllama.cpp b104433276837.0 ✓892.77.6src
RTX 5090 · 32 GBgemma-4-12B-itQ8_0lmstudio —204888.3 …334.8—src
Radeon AI Pro R9700 · 32 GBgemma-4-12B-itQ4_K_Mllama.cpp —204858.2 …2350.8—src
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