GPU × Model Compatibility

Can a NVIDIA GeForce GTX 1650 run FLUX.1 Dev?

NVIDIA GeForce GTX 1650 has 4GB VRAM. Here's exactly whichquantization (FP16, FP8, GGUF)of FLUX.1 Dev fits and how smoothly it runs.

Too much for this GPU

The NVIDIA GeForce GTX 1650 (4GB) doesn't have enough VRAM for FLUX.1 Dev even at its smallest size (7.2GB needed). Rent a cloud GPU or step up to a bigger card.

7.2GB
smallest fit on this GPU

Run it in the cloud instead

A 24GB RTX 4090 instance runs FLUX.1 Dev at full quality, starting at pennies/hour.

Disclosure: Cloud provider links are referrals at no additional cost to you.

FLUX.1 Dev variants on the NVIDIA GeForce GTX 1650

VariantPrecisionSizeTotal VRAM neededHeadroomFits?
Q4_K_M (Balanced)GGUF Q4_K_M7.2GB9.2GB-5.2GB✗ OOMDownload ↗
FP8 (Fast, Recommended)RECFP811.9GB13.9GB-9.9GB✗ OOMDownload ↗
Q8_0 (High Quality)GGUF Q8_013.8GB15.8GB-11.8GB✗ OOMDownload ↗
BF16 (Original)BF1623.8GB25.8GB-21.8GB✗ OOMDownload ↗

"Total VRAM needed" = variant size + 2.0GB estimated text-encoder/VAE overhead. Headroom = GPU VRAM (4GB) − total needed. Green ≥ 1.5GB headroom; Red ≤ −2GB (will OOM).

NVIDIA GeForce GTX 1650 at a glance

VRAM
4GB
Est. price
$149
Best for
23.8GB FLUX.1 Dev and lighter

Other models on the NVIDIA GeForce GTX 1650

Other GPUs for FLUX.1 Dev