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Qwen3-0.6B

Qwen family · 1.0B params

2recorded runs
956.4best tok/s
2verified

Evidence: 2 sourced runs · 1 independent source · first recorded Jul 24, 2026 · last recorded Sep 1, 2026. What these labels mean.

What the Qwen3-0.6B numbers mean

The fastest verified result on our board is 956.4 output tok/s on an RTX PRO 6000 Blackwell at Q4_K_M with a 640-token context. That is about 1.0 ms per generated token — 500 tokens takes roughly 0.5 seconds. Prompt processing on the same record runs at 57064.9 tok/s, so a 2,000-token prompt is read in about 0.0 seconds. Peak VRAM was measured at 1.1 GB. Across the 2 records we hold for this model the range is 310.4–956.4 tok/s on 2 GPUs, because quantisation, context length and the engine build all move the number.

How much VRAM does Qwen3-0.6B need?

Qwen3-0.6B has 1.0B 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)1.4 GB8 GB
Q8_0 (8-bit)2.0 GB8 GB
FP16 (16-bit)3.1 GB8 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 PRO 6000 Blackwell956.4
  2. RTX 3060310.4

Models with a similar footprint

ModelParamsQ4_K_M weights
gemma-3-1b-it1B0.6 GB
LFM2.5-1.2B-Instruct1B0.6 GB
Llama-3.2-1B-Instruct1B0.6 GB
MiniCPM5-1B1B0.6 GB
Qwen3.5-0.8B800M0.5 GB
Qwen3.5-0.8B-MTP800M0.5 GB

Ranked by distance from Qwen3-0.6B's parameter count. Full benchmark board.

All benchmarks Methodology

GPUModelQuantBackendCtx tok/sprompt tok/sVRAM GBSource
RTX PRO 6000 Blackwell · 96 GBQwen3-0.6BQ4_K_Mllama.cpp 876a432640956.4 ✓57064.91.1src
RTX 3060 · 12 GBQwen3-0.6BQ8_0llama.cpp b9775 / 7529fdaaf4608310.4 ✓13631.62.8src
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