What can the NVIDIA GeForce RTX 4090 run?

24 GB VRAM (~22.8 GB usable for models) · 1008 GB/s memory bandwidth · launch MSRP $1599

Measured: 186.21 tok/s on Llama 2 7B Q4_0 (llama.cpp tg128). Source: llama.cpp CUDA scoreboard (Llama 2 7B Q4_0, tg128, no FA)

ModelVerdictBest quant that fitsEst. tok/s (Q4)
Llama 3.1 8B InstructYesF16~147
Llama 3.3 70B InstructNo——
Llama 3.2 3B InstructYesF16~300
Llama 4 Scout (17B active, 16 experts)No——
Qwen3 8BYesF16~143
Qwen3 14BYesQ8_0~79.3
Qwen3 32BYesQ4_K_M (4K ctx)~35.8
Qwen3 30B-A3B (MoE)YesQ4_K_M~175
Qwen3 235B-A22B (MoE)No——
Qwen2.5 Coder 32B InstructYesQ4_K_M (4K ctx)~35.8
Gemma 3 4BYesF16~273
Gemma 3 12BYesQ8_0~96.2
Gemma 3 27BYesQ4_K_M~42.8
Mistral Small 3.1 24BYesQ6_K~48.9
Mistral Nemo 12BYesQ8_0~96.2
Phi-4 14BYesQ8_0~79.9
DeepSeek R1 Distill Qwen 32BYesQ4_K_M (4K ctx)~35.8
DeepSeek R1 Distill Llama 70BNo——
gpt-oss-20b (MoE)YesMXFP4 (native)~171
gpt-oss-120b (MoE)No——
DeepSeek V3 / R1 671B (MoE)No——

Estimated tok/s = calibrated bandwidth ÷ active weight size. Real results vary with runtime, context and drivers.

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