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Can the NVIDIA GeForce RTX 4090 run BigGAN-deep 512x512?
Yes — here's how fast and up to what context, with real measured numbers.
BigGAN-deep 512x512 on the NVIDIA GeForce RTX 4090
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 311k | 3264.7-3890.9 t/s | ~129.6-154.4 (slow) |
| Q8 | yes | 312k | 6529.5-7781.7 t/s | ~259.1-308.8 (slow) |
| Q4 | yes | 313k | 11659.8-13895.9 t/s | ~462.7-551.4 (slow) |
Estimate (memory-bound). Beyond "max context" the KV cache spills to system RAM offload (depends on your system RAM) and speed drops to the "beyond" figure.
FAQ
Can the NVIDIA GeForce RTX 4090 run BigGAN-deep 512x512?▶
Yes. At Q4 it generates ~11659.8-13895.9 tok/s and fits up to 313k context; beyond that it spills to system RAM offload (depends on your system RAM) and slows to ~462.7-551.4 tok/s.
How much context fits?▶
At Q4, up to about 313k tokens stay in fast memory; longer context spills to system RAM offload (depends on your system RAM) and throughput collapses.