What can NVIDIA GeForce RTX 4090 run for chat?
Build: NVIDIA GeForce RTX 4090 + — + 32 GB RAM (windows)
Runs comfortably20 models
Ranked by fit for chat use case + predicted speed. Click a row for VRAM breakdown.
Quant: Q4_K_MContext: 8,192VRAM: 11.1 GBHeadroom: 12.9 GBTTFT: instantollama run gemma3:1b1085tok/sE
ollama run gemma3:1bQuant: Q8_0Context: 8,192VRAM: 11.6 GBHeadroom: 12.4 GBTTFT: instantollama run llama3.2:1b617tok/sE
ollama run llama3.2:1bQuant: Q8_0Context: 8,192VRAM: 13.2 GBHeadroom: 10.8 GBTTFT: instantollama run gemma4:e2b308tok/sE
ollama run gemma4:e2bQuant: Q4_K_MContext: 8,192VRAM: 14.8 GBHeadroom: 9.2 GBTTFT: fast258tok/sE
Quant: Q8_0Context: 8,192VRAM: 14.8 GBHeadroom: 9.2 GBTTFT: instantollama run llama3.2:3b206tok/sE
ollama run llama3.2:3bQuant: Q5_K_MContext: 8,192VRAM: 18.5 GBHeadroom: 5.5 GBTTFT: fastollama run mistral:7b136tok/sE
ollama run mistral:7bQuant: Q8_0Context: 8,192VRAM: 16.1 GBHeadroom: 7.9 GBTTFT: fastollama run phi3.5:3.8b162tok/sE
ollama run phi3.5:3.8bQuant: Q4_K_MContext: 8,192VRAM: 17.9 GBHeadroom: 6.1 GBTTFT: fastollama run codegemma:7b155tok/sE
ollama run codegemma:7bQuant: Q8_0Context: 8,192VRAM: 16.5 GBHeadroom: 7.5 GBTTFT: fastollama run gemma4:e4b154tok/sE
ollama run gemma4:e4bQuant: Q8_0Context: 8,192VRAM: 16.5 GBHeadroom: 7.5 GBTTFT: fastollama run qwen3:4b154tok/sE
ollama run qwen3:4bQuant: Q8_0Context: 8,192VRAM: 16.5 GBHeadroom: 7.5 GBTTFT: fastollama run gemma3:4b154tok/sE
ollama run gemma3:4bQuant: Q4_K_MContext: 8,192VRAM: 19.1 GBHeadroom: 4.9 GBTTFT: fast136tok/sE
Runs with tradeoffs26 models
Tight VRAM, partial CPU offload, or context-limited.
Quant: Q4_K_MContext: 8,192VRAM: 20.2 GBHeadroom: 3.8 GBTTFT: fast- • Tight VRAM fit — only 3.8 GB headroom left for context growth
ollama run gemma2:9b121tok/sE
- • Tight VRAM fit — only 3.8 GB headroom left for context growth
ollama run gemma2:9bQuant: Q4_K_MContext: 8,192VRAM: 23.6 GBHeadroom: 0.4 GBTTFT: fast- • Tight VRAM fit — only 0.4 GB headroom left for context growth
ollama run mistral-nemo:12b90tok/sE
- • Tight VRAM fit — only 0.4 GB headroom left for context growth
ollama run mistral-nemo:12bQuant: Q4_K_MContext: 8,192VRAM: 23.6 GBHeadroom: 0.4 GBTTFT: fast- • Tight VRAM fit — only 0.4 GB headroom left for context growth
ollama run gemma3:12b90tok/sE
- • Tight VRAM fit — only 0.4 GB headroom left for context growth
ollama run gemma3:12bQuant: Q8_0Context: 8,192VRAM: 22.9 GBHeadroom: 1.1 GBTTFT: fast- • Tight VRAM fit — only 1.1 GB headroom left for context growth
ollama run qwen3:8b77tok/sE
- • Tight VRAM fit — only 1.1 GB headroom left for context growth
ollama run qwen3:8bQuant: Q4_K_MContext: 8,192VRAM: 22.5 GBHeadroom: 1.5 GBTTFT: fast- • Tight VRAM fit — only 1.5 GB headroom left for context growth
ollama run llama3.2-vision:11b99tok/sE
- • Tight VRAM fit — only 1.5 GB headroom left for context growth
ollama run llama3.2-vision:11bQuant: Q4_K_MContext: 8,192VRAM: 23.6 GBHeadroom: 0.4 GBTTFT: fast- • Tight VRAM fit — only 0.4 GB headroom left for context growth
ollama run pixtral:12b90tok/sE
- • Tight VRAM fit — only 0.4 GB headroom left for context growth
ollama run pixtral:12bQuant: Q4_K_MContext: 2,048VRAM: 22.1 GBHeadroom: 1.9 GBTTFT: noticeable- • Tight VRAM fit — only 1.9 GB headroom left for context growth
ollama run mistral-small:24b45tok/sE
- • Tight VRAM fit — only 1.9 GB headroom left for context growth
ollama run mistral-small:24bQuant: Q8_0Context: 8,192VRAM: 21.3 GBHeadroom: 2.7 GBTTFT: fast- • Tight VRAM fit — only 2.7 GB headroom left for context growth
ollama run deepseek-r1:7b88tok/sE
- • Tight VRAM fit — only 2.7 GB headroom left for context growth
ollama run deepseek-r1:7bWhat if you upgraded?
Hypothetical scenarios. We re-ran the compatibility engine for each.
+32 GB system RAM
~$80–150
Doubles your CPU-offload working set. Helps when models don't quite fit in VRAM.
Unlocks: 32 new tradeoff
- • Qwen 3 30B-A3B
- • Qwen 2.5 Coder 32B Instruct
- • Llama 3.3 70B Instruct
- • Qwen 3 32B
Upgrade to NVIDIA RTX 5000 Ada Generation
see current pricing
32 GB VRAM (vs your 24 GB) plus a bandwidth jump from ~1008 GB/s to ~? GB/s.
Unlocks: 15 new comfortable
- • DeepSeek R1 Distill Qwen 7B
- • Qwen 3 8B
- • Hermes 3 Llama 3.1 8B
- • Gemma 2 9B Instruct
Add a second NVIDIA GeForce RTX 4090
~$1899
Tensor parallelism splits the model across both cards, effectively doubling VRAM. Bandwidth doesn't double — runs ~1.5× the single-card speed in practice.
Unlocks: 16 new comfortable
- • DeepSeek R1 Distill Qwen 7B
- • Qwen 3 8B
- • Hermes 3 Llama 3.1 8B
- • Gemma 2 9B Instruct
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Won't runtop 5 popular models
Need more memory than you have. Shown for orientation.
Even with CPU offload, needs more memory than your VRAM (24 GB) + 60% of system RAM (19 GB) combined.
—
Even with CPU offload, needs more memory than your VRAM (24 GB) + 60% of system RAM (19 GB) combined.
Even with CPU offload, needs more memory than your VRAM (24 GB) + 60% of system RAM (19 GB) combined.
—
Even with CPU offload, needs more memory than your VRAM (24 GB) + 60% of system RAM (19 GB) combined.
Even with CPU offload, needs more memory than your VRAM (24 GB) + 60% of system RAM (19 GB) combined.
—
Even with CPU offload, needs more memory than your VRAM (24 GB) + 60% of system RAM (19 GB) combined.
Even with CPU offload, needs more memory than your VRAM (24 GB) + 60% of system RAM (19 GB) combined.
—
Even with CPU offload, needs more memory than your VRAM (24 GB) + 60% of system RAM (19 GB) combined.
Even with CPU offload, needs more memory than your VRAM (24 GB) + 60% of system RAM (19 GB) combined.
—
Even with CPU offload, needs more memory than your VRAM (24 GB) + 60% of system RAM (19 GB) combined.
How to read these numbers
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