Can a NVIDIA GeForce GTX 1650 run Stable Diffusion 1.5?
NVIDIA GeForce GTX 1650 has 4GB VRAM. Here's exactly whichquantization (FP16, FP8, GGUF)of Stable Diffusion 1.5 fits and how smoothly it runs.
Runs with trade-offs
The NVIDIA GeForce GTX 1650 can run Stable Diffusion 1.5, but you'll need to use the FP8 (Optimized) variant (~2.1GB) and may need to offload parts of the model.
2.1GB
smallest fit on this GPU
Run it locally
NVIDIA GeForce GTX 1650 (4GB) · ~$149 is a solid fit for Stable Diffusion 1.5.
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Stable Diffusion 1.5 variants on the NVIDIA GeForce GTX 1650
| Variant | Precision | Size | Total VRAM needed | Headroom | Fits? | |
|---|---|---|---|---|---|---|
| FP8 (Optimized) | FP8 | 2.1GB | 3.1GB | +0.9GB | ⚠ Tight | Download ↗ |
| FP16 (Standard)REC | FP16 | 4.2GB | 5.2GB | -1.2GB | ⚠ Tight | Download ↗ |
"Total VRAM needed" = variant size + 1.0GB 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
4.2GB Stable Diffusion 1.5 and lighter
Other models on the NVIDIA GeForce GTX 1650
FLUX.1 DevFLUX.1 SchnellStable Diffusion XL (SDXL)Stable 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 Stable Diffusion 1.5
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)