✅ CABE EN VRAM (FP8 (W8A8 / E4M3))
Qwen3-8B on NVIDIA RTX 5080 (16GB VRAM)
Unquantized FP16 (17.31 GB) exceeds 16 GB, but 4-bit Q4_K_M requires 6.47 GB (40% VRAM utilization) at ~133.4 tokens/sec.
🎛️ Ajustador Interactivo de VRAM, Contexto y Offload
📊 Telemetría de Memoria y Rendimiento en Tiempo Real
6.47 GB / 16 GB
🟦 Pesos del Modelo: 4.86 GB
🟪 Caché KV: 1.13 GB
🟨 Buffer del Motor: 0.49 GB
VRAM de GPU Requerida6.47 GB
RAM de Sistema Requerida (CPU)0.00 GB
VRAM Disponible en Hardware16 GB (1x NVIDIA RTX 5080)
Margen / Déficit de VRAM9.53 GB
Velocidad de Generación (Decode)~133.4 tokens/sec
Velocidad de Procesamiento (Prefill)~3578 tokens/sec
Tiempo al Primer Token (Prompt 4K)~1145 ms
Topología TransformerDense-GQA (36L, 8/32 KV/Q heads)
🚀 Comando de Lanzamiento Listo para Copiar
ollama run qwen3:8b # Or llama.cpp server (8K context, Flash Attention): llama-server -hf Qwen/Qwen3-8B-GGUF -c 8192 -ngl 99 -fa
COMPARADOR CLOUD GPU Y CALCULADORA ALQUILAR VS COMPRAR
¿No tienes suficiente VRAM? Alquila una GPU en la nube en 60 segundos (Qwen3-8B: 6.47 GB in 4-bit)
Recommended Cloud Tier: RTX 4090 (24GB) · Full FP16 Needs: 17.31 GB
Meses para amortizar compra vs alquiler: ~32 months (vs $999 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 | Desplegar en RunPod → |
| Vast.ai | $0.29 / hr | $0.95 / hr | $1.79 / hr | $34.80 / mo | Save 50–70% on RTX 4090 / 5090 / A100 rentals | Alquilar GPU Spot → |
| Vultr Cloud GPU | — | $1.79 / hr | $2.69 / hr | $214.80 / mo (A100) | $300 Free Credit | Reclamar $300 Gratis → |
| DigitalOcean GPU | — | — | $2.99 / hr | $358.80 / mo (H100) | $200 Free Credit (60d) | Obtener $200 Gratis → |
Desglose Completo por Formato de Cuantización: Qwen3-8B × NVIDIA RTX 5080
| Quantization Format | Core / Emb BPW | Weights (GiB) | KV Cache (8K) | Total VRAM | 1x NVIDIA RTX 5080 (16GB) | Decode / Prefill | Min GPUs |
|---|---|---|---|---|---|---|---|
| FP16 / BF16 (Unquantized) | 16 / 16 | 15.26 GB | 1.13 GB | 16.87 GB | No (+0.9GB) | ~26.4 / 3578 tok/s | 2x |
| FP8 (W8A8 / E4M3) | 8.25 / 8.5 | 7.9 GB | 1.13 GB | 9.52 GB | Sí (60%) | ~78.1 / 3578 tok/s | 1x |
| GGUF Q8_0 (8.50 bpw) | 8.5 / 8.5 | 8.1 GB | 1.13 GB | 9.72 GB | Sí (61%) | ~75.8 / 3578 tok/s | 1x |
| GGUF Q6_K (6.56 bpw) | 6.56 / 6.56 | 6.25 GB | 1.13 GB | 7.87 GB | Sí (49%) | ~98.2 / 3578 tok/s | 1x |
| GGUF Q5_K_M (5.69 bpw) | 5.69 / 6.56 | 5.55 GB | 1.13 GB | 7.16 GB | Sí (45%) | ~113.3 / 3578 tok/s | 1x |
| GGUF Q4_K_M / AWQ (4.83 bpw) | 4.83 / 6.56 | 4.86 GB | 1.13 GB | 6.47 GB | Sí (40%) | ~133.4 / 3578 tok/s | 1x |
| GGUF IQ4_XS (4.25 bpw) | 4.25 / 5.5 | 4.23 GB | 1.13 GB | 5.85 GB | Sí (37%) | ~151.6 / 3578 tok/s | 1x |
| GGUF Q3_K_M (3.91 bpw) | 3.91 / 5 | 3.89 GB | 1.13 GB | 5.5 GB | Sí (34%) | ~164.8 / 3578 tok/s | 1x |
Probar este Modelo en Otras GPUs
Qwen3-8B on NVIDIA RTX 5090 (32GB)Qwen3-8B on NVIDIA RTX 4090 (24GB)Qwen3-8B on NVIDIA RTX 4080 Super (16GB)Qwen3-8B on NVIDIA RTX 4070 Ti Super (16GB)Qwen3-8B on NVIDIA RTX 3090 (24GB)Qwen3-8B on NVIDIA RTX 4060 Ti 16GB (16GB)Qwen3-8B on NVIDIA RTX 3060 12GB (12GB)Qwen3-8B on NVIDIA RTX 6000 Ada (48GB)Qwen3-8B on NVIDIA RTX A6000 (48GB)Qwen3-8B on NVIDIA L40S 48GB (48GB)
Otros Modelos en esta GPU
DeepSeek-R1 671B (MoE) on NVIDIA RTX 5080DeepSeek-V3-0324 671B (MoE) on NVIDIA RTX 5080DeepSeek-R1-Distill-Llama-70B on NVIDIA RTX 5080DeepSeek-R1-Distill-Qwen-32B on NVIDIA RTX 5080DeepSeek-R1-Distill-Qwen-14B on NVIDIA RTX 5080DeepSeek-R1-Distill-Llama-8B on NVIDIA RTX 5080DeepSeek-R1-Distill-Qwen-7B on NVIDIA RTX 5080Qwen3-235B-A22B (MoE) on NVIDIA RTX 5080Qwen3-30B-A3B (MoE) on NVIDIA RTX 5080Qwen3-32B on NVIDIA RTX 5080