What can AMD Radeon RX 7900 XTX run for chat?
Build: RX 7900 XTX + Ryzen 9 7950X + 64GB DDR5 (Linux/ROCm)
Runs comfortably174 models
Ranked by fit for chat use case + predicted speed. Click a row for VRAM breakdown.
Quant: Q4_K_MContext: 8,192VRAM: 2.6 GBHeadroom: 21.4 GBTTFT: instant1458tok/sEstimated
Quant: Q8_0Context: 8,192VRAM: 7.1 GBHeadroom: 16.9 GBTTFT: instantollama run llama3.2:3b166tok/sEstimated
ollama run llama3.2:3bQuant: Q4_K_MContext: 8,192VRAM: 3.8 GBHeadroom: 20.2 GBTTFT: instant514tok/sEstimated
Quant: Q4_K_MContext: 2,048VRAM: 2.8 GBHeadroom: 21.2 GBTTFT: instant795tok/sEstimated
Quant: Q4_K_MContext: 8,192VRAM: 4.2 GBHeadroom: 19.8 GBTTFT: instant437tok/sEstimated
Quant: Q4_K_MContext: 8,192VRAM: 18.9 GBHeadroom: 5.1 GBTTFT: instant364tok/sEstimated
Quant: Q4_K_MContext: 4,096VRAM: 7.8 GBHeadroom: 16.2 GBTTFT: fast125tok/sEstimated
Quant: Q4_K_MContext: 8,192VRAM: 4.8 GBHeadroom: 19.2 GBTTFT: instantollama run alibayram/kumru:latest364tok/sEstimated
ollama run alibayram/kumru:latestQuant: Q4_K_MContext: 8,192VRAM: 9.6 GBHeadroom: 14.4 GBTTFT: fast125tok/sEstimated
Quant: Q4_K_MContext: 2,048VRAM: 2.8 GBHeadroom: 21.2 GBTTFT: instant795tok/sEstimated
Quant: Q4_K_MContext: 2,048VRAM: 2.8 GBHeadroom: 21.2 GBTTFT: instant795tok/sEstimated
Quant: Q4_K_MContext: 4,096VRAM: 7.8 GBHeadroom: 16.2 GBTTFT: fast125tok/sEstimated
Runs with tradeoffs74 models
Tight VRAM, partial CPU offload, or context-limited.
Quant: Q4_K_MContext: 8,192VRAM: 23.6 GBHeadroom: 0.4 GBTTFT: fast- • Tight VRAM fit — only 0.4 GB headroom left for context growth
44tok/sEstimated
- • Tight VRAM fit — only 0.4 GB headroom left for context growth
Quant: Q4_K_MContext: 4,096VRAM: 21.9 GBHeadroom: 2.1 GBTTFT: noticeable- • Tight VRAM fit — only 2.1 GB headroom left for context growth
36tok/sEstimated
- • Tight VRAM fit — only 2.1 GB headroom left for context growth
Quant: 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 gemma4:26b-moe34tok/sEstimated
- • Tight VRAM fit — only 1.9 GB headroom left for context growth
ollama run gemma4:26b-moeQuant: Q4_K_MContext: 2,048VRAM: 22.2 GBHeadroom: 1.8 GBTTFT: noticeable- • Tight VRAM fit — only 1.8 GB headroom left for context growth
ollama run gemma3:27b32tok/sEstimated
- • Tight VRAM fit — only 1.8 GB headroom left for context growth
ollama run gemma3:27bQuant: Q4_K_MContext: 8,192VRAM: 20.6 GBHeadroom: 3.4 GBTTFT: noticeable- • Tight VRAM fit — only 3.4 GB headroom left for context growth
ollama run muse-glimmer29tok/sEstimated
- • Tight VRAM fit — only 3.4 GB headroom left for context growth
ollama run muse-glimmerQuant: Q5_K_MContext: 8,192VRAM: 20.0 GBHeadroom: 4.0 GBTTFT: fast- • Tight VRAM fit — only 4.0 GB headroom left for context growth
ollama run qwen2.5:14b55tok/sEstimated
- • Tight VRAM fit — only 4.0 GB headroom left for context growth
ollama run qwen2.5:14bQuant: Q4_K_MContext: 2,048VRAM: 30.1 GBHeadroom: 32.3 GBTTFT: noticeable- • Partial CPU offload: ~20% of layers run on CPU
- • CPU is the bottleneck — upgrading RAM bandwidth helps more than VRAM here
6tok/sEstimated
- • Partial CPU offload: ~20% of layers run on CPU
- • CPU is the bottleneck — upgrading RAM bandwidth helps more than VRAM here
Quant: Q8_0Context: 8,192VRAM: 20.6 GBHeadroom: 3.4 GBTTFT: fast- • Tight VRAM fit — only 3.4 GB headroom left for context growth
ollama run llama3.2-vision:11b45tok/sEstimated
- • Tight VRAM fit — only 3.4 GB headroom left for context growth
ollama run llama3.2-vision:11bWhat 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: 9 new comfortable, 80 new tradeoff
- • Gemma 3 270M
- • SmolLM2 135M Instruct
- • SmolLM2 360M Instruct
- • VBART Large (Turkish Summarization)
Upgrade to AMD Instinct MI210
see current pricing
64 GB VRAM (vs your 24 GB) plus a bandwidth jump from ~960 GB/s to ~1638 GB/s.
Unlocks: 80 new comfortable
- • Qwen 3 30B-A3B
- • Qwen 2.5 Coder 32B Instruct
- • Qwen3.6 27B
- • Llama 3.3 70B Instruct
Add a second AMD Radeon RX 7900 XTX
~$899
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: 62 new comfortable
- • Qwen 3 30B-A3B
- • Qwen 2.5 Coder 32B Instruct
- • Qwen3.6 27B
- • Qwen 3 32B
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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 (38 GB) combined.
—
Even with CPU offload, needs more memory than your VRAM (24 GB) + 60% of system RAM (38 GB) combined.
Even with CPU offload, needs more memory than your VRAM (24 GB) + 60% of system RAM (38 GB) combined.
—
Even with CPU offload, needs more memory than your VRAM (24 GB) + 60% of system RAM (38 GB) combined.
Even with CPU offload, needs more memory than your VRAM (24 GB) + 60% of system RAM (38 GB) combined.
—
Even with CPU offload, needs more memory than your VRAM (24 GB) + 60% of system RAM (38 GB) combined.
Even with CPU offload, needs more memory than your VRAM (24 GB) + 60% of system RAM (38 GB) combined.
—
Even with CPU offload, needs more memory than your VRAM (24 GB) + 60% of system RAM (38 GB) combined.
Even with CPU offload, needs more memory than your VRAM (24 GB) + 60% of system RAM (38 GB) combined.
—
Even with CPU offload, needs more memory than your VRAM (24 GB) + 60% of system RAM (38 GB) combined.
How to read these numbers
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