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What AI models can a PowerColor RX 7900 XT 20G run?
With 20 GB of VRAM and 32 GB of system RAM, here's how this card handles local AI models (Q4 quantization, up to 8K context).
Upgrade tip: Your GPU's VRAM is the main limit. A 24 GB card would run 4 more models fully on the GPU.
Runs well
18-
Llama 3.1 8B
Needs ~7 GB
-
Qwen2.5 7B
Needs ~6 GB
-
Qwen2.5-Coder 7B
Needs ~6 GB
-
FLUX.1 dev (12B)
Needs ~13 GB
-
Qwen2.5 14B
Needs ~12 GB
-
DeepSeek-R1 Distill Qwen 14B
Needs ~12 GB
-
DeepSeek-R1 Distill Qwen 7B
Needs ~6 GB
-
Mistral Small 24B
Needs ~17 GB
-
FLUX.1 schnell (12B)
Needs ~13 GB
-
Mistral 7B
Needs ~7 GB
-
Phi-4 (14B)
Needs ~12 GB
-
Stable Diffusion XL 1.0
Needs ~5 GB
-
Gemma 2 9B
Needs ~10 GB
-
Llama 3.2 3B
Needs ~4 GB
-
Stable Diffusion 3.5 Large
Needs ~10 GB
-
Qwen2.5 3B
Needs ~4 GB
-
Phi-3 Mini (3.8B)
Needs ~5 GB
-
Gemma 2 2B
Needs ~4 GB
Runs with compromises
8-
Qwen2.5 32B
Needs ~23 GB
-
Qwen2.5-Coder 32B
Needs ~23 GB
-
DeepSeek-R1 Distill Qwen 32B
Needs ~23 GB
-
Llama 3.3 70B
Needs ~45 GB
-
DeepSeek-R1 Distill Llama 70B
Needs ~45 GB
-
Qwen2.5 72B
Needs ~46 GB
-
Mixtral 8x7B
Needs ~30 GB
-
Gemma 2 27B
Needs ~20 GB
Needs more hardware
0- None.