RTX 5090 vs RTX 3090 Ti Performance Comparison for AI Image Generation Models

Dive into a comprehensive 21-minute performance comparison video exploring various AI models running on high-end graphics cards. Compare speeds between FLUX DEV, FLUX Fill, SD 3.5 Large, SD 3.5 Medium, Stable Diffusion XL (SDXL), and Stable Diffusion 1.5 (SD 1.5) models using SwarmUI with ComfyUI backend. Learn about FP8 versus 16-bit precision testing for FLUX and SD 3.5 models, along with prompt change impact analysis on FLUX DEV model performance. Explore detailed benchmarks using a system powered by AMD 9950X processor, featuring extensive testing of GPU sensor values, precision settings, and model-specific performance metrics. Get step-by-step guidance on installing SwarmUI, downloading AI models efficiently, and upgrading Torch/ComfyUI backend for optimal performance. Access detailed specifications of the test system, including motherboard, RAM configurations, storage, power supply, and cooling solutions, complete with timestamps for easy navigation through different testing scenarios and setup instructions.

Syllabus

0:00 Introduction to the video and PC configuration and specs
0:30 Backends of ComfyUI and the GPUs and machine config
0:40 Testing FLUX DEV model performance on RTX 5090 and RTX 3090 Ti
0:53 RTX 5090 and RTX 3090 Ti GPU sensor values while generating images on FLUX Dev
2:10 How to change precision to 8-bit FP8 vs 16-bit on SwarmUI including FP16 T5 XXL
3:34 Testing FLUX Fill inpainting and outpainting model performance on RTX 5090 and RTX 3090 Ti
4:56 Testing speed impact of changing prompt when generating new images
6:23 Testing Stable Diffusion 3.5 Medium SD 3.5 Medium model performance on RTX 5090 and RTX 3090 Ti
8:27 Testing Stable Diffusion 3.5 Large SD 3.5 Large model performance on RTX 5090 and RTX 3090 Ti
9:02 Where you can learn more about the GPU and the machine that is being used for benchmarking
9:42 What kind of Overclocking I am doing on RTX 5090, overlocking levels
10:12 Testing Stable Diffusion XL SDXL model performance on RTX 5090 and RTX 3090 Ti
11:41 Testing Stable Diffusion 1.5 SD 1.5 model performance on RTX 5090 and RTX 3090 Ti
12:54 Comparison table and evaluation of the models and the speeds of RTX 5090 and RTX 3090 Ti
15:30 How to install SwarmUI and make it working with RTX 5000 series GPUs and how to download AI models ultra fast
17:01 How to use our unified SwarmUI model downloader to download FLUX, SD 1.5, SDXL, SD 3.5 models and more models
19:00 How to upgrade Torch / ComfyUI backend to make it work on RTX 5000 series GPUs
19:58 Which folder will be deleted and replaced with pre-made backend