✅ 显存充足可流畅运行 (FP8 (W8A8 / E4M3))

QwQ-32B Reasoning on NVIDIA L40S 48GB (48GB VRAM)

Unquantized FP16 (63.96 GB) exceeds 48 GB, but 4-bit Q4_K_M requires 21.23 GB (44% VRAM utilization) at ~30 tokens/sec.

🎛️ 交互式显存、上下文长度与 CPU 卸载调优台

📊 实时显存占用与推理吞吐遥测

21.23 GB / 48 GB
🟦 模型权重 (含词表层): 18.73 GB 🟪 KV Cache 缓存: 2 GB 🟨 引擎与算子工作区: 0.49 GB
所需显卡显存 (GPU VRAM)21.23 GB
所需系统内存 (CPU 卸载)0.00 GB
当前硬件可用显存48 GB (1x NVIDIA L40S 48GB)
显存余量 / 溢出缺口26.77 GB
预计生成速度 (Decode Speed)~30 tokens/sec
预计预填充速度 (Prefill Speed)~2873 tokens/sec
4K 提示词首字延迟 (TTFT)~1426 ms
Transformer 层数与注意力头Dense-GQA (64L, 8/40 KV/Q heads)

🚀 一键复制启动命令 (vLLM / llama.cpp / Ollama)

ollama run qwq:32b
# Or llama.cpp server (8K context, Flash Attention):
llama-server -hf Qwen/QwQ-32B-GGUF -c 8192 -ngl 99 -fa
云显卡实时比价 & 租卡 vs 买卡回本计算器

本地显存不够?60 秒一键租用预装 vLLM/Ollama 的云端显卡 (QwQ-32B Reasoning: 21.23 GB in 4-bit)

Recommended Cloud Tier: RTX 4090 (24GB) · Full FP16 Needs: 63.96 GB

租卡对比买卡回本周期: ~32 months (vs $8,500 hardware)
Cloud Provider RTX 4090 (24GB) A100 (80GB) H100 (80GB) Est. Monthly Cost (4h/day) Free Credit / Trial Deploy
RunPod $0.44 / hr $1.39 / hr $2.39 / hr $52.80 / mo Instant PyTorch / vLLM Templates + Serverless GPU 在 RunPod 一键部署 →
Vast.ai $0.29 / hr $0.95 / hr $1.79 / hr $34.80 / mo Save 50–70% on RTX 4090 / 5090 / A100 rentals 租用低价显卡 →
Vultr Cloud GPU — $1.79 / hr $2.69 / hr $214.80 / mo (A100) $300 Free Credit 领取 $300 免费算力 →
DigitalOcean GPU — — $2.99 / hr $358.80 / mo (H100) $200 Free Credit (60d) 领取 $200 试用金 →

全量化精度档位显存与速度明细表: QwQ-32B Reasoning × NVIDIA L40S 48GB

Quantization Format Core / Emb BPW Weights (GiB) KV Cache (8K) Total VRAM 1x NVIDIA L40S 48GB (48GB) Decode / Prefill Min GPUs
FP16 / BF16 (Unquantized) 16 / 16 61.02 GB 2 GB 63.51 GB 显存不足 (+15.5GB) ~2.8 / 2873 tok/s 2x
FP8 (W8A8 / E4M3) 8.25 / 8.5 31.51 GB 2 GB 34 GB 支持 (71%) ~17.6 / 2873 tok/s 1x
GGUF Q8_0 (8.50 bpw) 8.5 / 8.5 32.42 GB 2 GB 34.91 GB 支持 (73%) ~17.1 / 2873 tok/s 1x
GGUF Q6_K (6.56 bpw) 6.56 / 6.56 25.02 GB 2 GB 27.51 GB 支持 (57%) ~22.1 / 2873 tok/s 1x
GGUF Q5_K_M (5.69 bpw) 5.69 / 6.56 21.86 GB 2 GB 24.35 GB 支持 (51%) ~25.5 / 2873 tok/s 1x
GGUF Q4_K_M / AWQ (4.83 bpw) 4.83 / 6.56 18.73 GB 2 GB 21.23 GB 支持 (44%) ~30 / 2873 tok/s 1x
GGUF IQ4_XS (4.25 bpw) 4.25 / 5.5 16.44 GB 2 GB 18.93 GB 支持 (39%) ~34.1 / 2873 tok/s 1x
GGUF Q3_K_M (3.91 bpw) 3.91 / 5 15.11 GB 2 GB 17.6 GB 支持 (37%) ~37.1 / 2873 tok/s 1x

在其他显卡上测试该模型

QwQ-32B Reasoning on NVIDIA RTX 5090 (32GB)QwQ-32B Reasoning on NVIDIA RTX 4090 (24GB)QwQ-32B Reasoning on NVIDIA RTX 5080 (16GB)QwQ-32B Reasoning on NVIDIA RTX 4080 Super (16GB)QwQ-32B Reasoning on NVIDIA RTX 4070 Ti Super (16GB)QwQ-32B Reasoning on NVIDIA RTX 3090 (24GB)QwQ-32B Reasoning on NVIDIA RTX 4060 Ti 16GB (16GB)QwQ-32B Reasoning on NVIDIA RTX 3060 12GB (12GB)QwQ-32B Reasoning on NVIDIA RTX 6000 Ada (48GB)QwQ-32B Reasoning on NVIDIA RTX A6000 (48GB)

该显卡可运行的其他热门大模型

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