Can a NVIDIA GeForce GTX 1650 run FLUX.1 Schnell?
NVIDIA GeForce GTX 1650 has 4GB VRAM. Here's exactly whichquantization (FP16, FP8, GGUF)of FLUX.1 Schnell 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 Schnell 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 Schnell at full quality, starting at pennies/hour.
Disclosure: Cloud provider links are referrals at no additional cost to you.
FLUX.1 Schnell variants on the NVIDIA GeForce GTX 1650
| Variant | Precision | Size | Total VRAM needed | Headroom | Fits? | |
|---|---|---|---|---|---|---|
| Q4_K_M (Balanced) | GGUF Q4_K_M | 7.2GB | 9.2GB | -5.2GB | ✗ OOM | Download ↗ |
| FP8 (Fast, Recommended)REC | FP8 | 11.9GB | 13.9GB | -9.9GB | ✗ OOM | Download ↗ |
| BF16 (Original) | BF16 | 23.8GB | 25.8GB | -21.8GB | ✗ OOM | Download ↗ |
"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 Schnell and lighter
Other models on the NVIDIA GeForce GTX 1650
FLUX.1 DevStable Diffusion XL (SDXL)Stable Diffusion 1.5Stable Diffusion 3 (SD3)Hunyuan VideoWan 2.1 VideoPony DiffusionLlama 3.2 (1B)Llama 3.2 (3B)Llama 3 / 3.1 (8B)DeepSeek-R1 Distill Qwen (7B)DeepSeek-R1 Distill Qwen (14B)
Other GPUs for FLUX.1 Schnell
NVIDIA GeForce RTX 3060 (12GB)NVIDIA GeForce RTX 4060 (8GB)NVIDIA GeForce RTX 4070 (12GB)NVIDIA GeForce RTX 4070 Ti (12GB)NVIDIA GeForce RTX 4080 (16GB)NVIDIA GeForce RTX 4090 (24GB)NVIDIA GeForce RTX 3080 (10GB)NVIDIA GeForce RTX 3090 (24GB)NVIDIA GeForce RTX 3070 (8GB)NVIDIA GeForce RTX 4060 Ti (16GB) (16GB)NVIDIA GeForce RTX 3050 (8GB)Apple MacBook Pro (M3 Max) (36GB)