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can it run

Can the AMD Radeon RX 570 4GB run FLUX dev fp8?

NO

25.0 GB vs 4 GB usable — does not fit

4GB · Polaris (GCN 4) · model file 23GB · dev fp8

~0.78–2 tok/s

computed roofline: 224 GB/s × 0.08–0.21 efficiency window / 23.0GB (Q4_K_M) — bands, never points.

Run FLUX dev fp8 on instead

→ Mac mini M5 Pro (64GB) — cheapest catalog machine that runs FLUX dev fp8 fully ($1669)

→ rx-580-8gb — the next step up from AMD Radeon RX 570 4GB

→ every model the AMD Radeon RX 570 4GB can run — full list

→explore the full catalog91 machines indexed · live prices · what each one can run
2026-10-01 · ← all models on the AMD Radeon RX 570 4GB · fit = weights + 4k KV vs usable memory