Best Local LLMs for 64GB VRAM
Silent 65W desktop running 54GB usable VRAM. Runs Llama 3.3 70B at Q4_K_M with deep 65K context, and Qwen 3.8 27B at Q8_0 with zero fan noise.
โก Tight Fit โ Runs 100% on GPU (Low Headroom)
OLLAMA_FLASH_ATTENTION=1 OLLAMA_KV_CACHE_TYPE=q8_0 ollama run llama3.3:70bCloud Instance Options for Meta Llama 3.3 70B Instruct
On-DemandDeploy this model on an on-demand cloud GPU without local hardware constraints or power usage:
Quantization Precision Matrix
32K ctx โข KV: Q8_0| Quantization | Weights | KV Cache | Total VRAM | Est. Speed | Fit Status |
|---|---|---|---|---|---|
| FP1616 bpw | 141.2 GB | 5.37 GB | 152.26 GB (282%) | 0 t/s | OOM |
| Q8_08.5 bpw | 74.84 GB | 5.37 GB | 83.58 GB (155%) | 0 t/s | OOM |
| Q6_K6.56 bpw | 57.89 GB | 5.37 GB | 66.04 GB (122%) | ~1 t/s | PARTIAL |
| Q5_K_M5.68 bpw | 50.13 GB | 5.37 GB | 58 GB (107%) | ~1 t/s | PARTIAL |
| Q4_K_M4.8 bpw | 42.36 GB | 5.37 GB | 49.96 GB (93%) | ~4 t/s | FITS |
| FP44.25 bpw | 37.42 GB | 5.37 GB | 44.85 GB (83%) | ~4 t/s | FITS |
| IQ3_XS3.3 bpw | 28.95 GB | 5.37 GB | 36.08 GB (67%) | ~6 t/s | FITS |
Local Hardware Configurations & Pricing
High-bandwidth VRAM specs and current market pricesApple Mac Mini M4 Pro (64GB Unified Memory)
Silent 65W desktop running 32Bโ70B models with large KV context
NVIDIA GeForce RTX 5090 (32GB GDDR7)
Maximum tokens/sec on 27Bโ35B models & Blackwell FP4 quantization
NVIDIA GeForce RTX 4090 (24GB GDDR6X)
The 24GB CUDA enthusiast standard for 14Bโ32B Q4_K_M models
2x NVIDIA RTX 3090 Dual Rig (48GB Total VRAM)
Best price-to-VRAM homelab rig for 70B Q4_K_M & Qwen 3.8 27B Q8
Export Full Architecture & Infrastructure Spec
Get an executive-ready PDF report with exact memory math, hardware benchmarks, and cost comparisons.
All Open Models Evaluated on 64GB VRAM
Standard Q4_K_M quantization with 32K context window and Q8_0 KV cache
| Model | Architecture | VRAM Required | Headroom | Est. Decode Speed | Compatibility | Ollama Command |
|---|---|---|---|---|---|---|
| Qwen 3.6 35B-A3B MoE Ultra-Fast 100+ tok/s Coding & Local RAG on 24GB GPUs | 35B MoE | 24.1 GB | +29.9 GB free | ~78 t/s | FITS | ollama run qwen3.6:35b-a3b |
| Microsoft Phi-4 Mini 3.8B Ultra-Light Laptop & CPU/Integrated GPU Inference | 3.8B Dense | 3.92 GB | +50.1 GB free | ~69 t/s | FITS | ollama run phi4-mini:3.8b |
| Google Gemma 4 E4B (Edge 4B) 8GB Laptop GPUs, Local Autocomplete & Fast Summarization | 4.1B Dense | 4.24 GB | +49.8 GB free | ~64 t/s | FITS | ollama run gemma4:4b |
| Google Gemma 4 26B MoE High-Speed Consumer GPU & Apple Silicon Daily Assistant | 26.4B MoE | 20.23 GB | +33.8 GB free | ~52 t/s | FITS | ollama run gemma4:26b |
| Meta Llama 3.1 8B Instruct Fast 8GBโ12GB GPU Chat, Classification & Local Agents | 8B Dense | 7.87 GB | +46.1 GB free | ~32 t/s | FITS | ollama run llama3.1:8b |
| DeepSeek-R1 Distill Qwen 14B Mainstream 12GBโ16GB Gaming GPUs Reasoning Assistant | 14.8B Dense | 13.16 GB | +40.8 GB free | ~18 t/s | FITS | ollama run deepseek-r1:14b |
| Qwen 3.8 27B Instruct Agentic Coding, Terminal Workflows & Multi-File Refactoring | 27.2B Dense | 21.93 GB | +32.1 GB free | ~10 t/s | FITS | ollama run qwen3.8:27b |
| DeepSeek-R1 Distill Qwen 32B Local Step-by-Step Math, Logic & Code Verification | 32.8B Dense | 25.41 GB | +28.6 GB free | ~8 t/s | FITS | ollama run deepseek-r1:32b |
| Meta Llama 3.3 70B Instruct Standard 70B Dense Enterprise Baseline for 48GBโ64GB Rigs | 70.6B Dense | 49.96 GB | +4 GB free | ~4 t/s | FITS | ollama run llama3.3:70b |
| Meta Llama 4 Scout (109B-A17B MoE) Long-Context Codebase Indexing & Multi-Document Analysis | 109B MoE | 71.66 GB | -17.7 GB short | ~3 t/s | PARTIAL | Deploy on Cloud GPU โ |
| DeepSeek-V4.1-Flash (552B Engram MoE) Frontier SWE Coding (77.0 DeepSWE), 1M Context & 3D/Game Synthesis | 552B MoE | 345.59 GB | -291.6 GB short | 0 (OOM) | OOM | Deploy on Cloud GPU โ |
| Meta Muse Spark Open (816B-A42B MoE) Frontier Multi-Step Agentic Reasoning & Native Multimodal | 816B MoE | 512.86 GB | -458.9 GB short | 0 (OOM) | OOM | Deploy on Cloud GPU โ |
Need to Run Models Larger than 64GB?
If your preferred model exceeds your local 64GB GPU, you can rent high-memory on-demand cloud GPUs with zero upfront hardware costs:
Rent RTX 4090 / RTX 5090
Boot an on-demand RTX 4090 (24GB) from $0.59/hr or RTX 5090 (32GB) from $0.89/hr on RunPod.
Rent Dual 3090 or H100
Dual 3090 (48GB) from $0.78/hr on Vast.ai, or H100 (80GB HBM3) from $2.39/hr for 70B+ models.