RTX 4090 Pro vs RTX 4090 - GPU Benchmark Comparison

Direct performance comparison between the RTX 4090 Pro and RTX 4090 across 21 standardized AI benchmarks collected from our production fleet. Testing shows the RTX 4090 Pro winning 13 out of 21 benchmarks (62% win rate), while the RTX 4090 wins 8 tests. All 21 benchmark results are automatically gathered from active rental servers, providing real-world performance data rather than synthetic testing.

LLM Inference Performance: RTX 4090 Pro roughly equal performance

In language model inference testing across 9 different models, the RTX 4090 Pro performs nearly identically to the RTX 4090, with less than 10% average difference. For gpt-oss:20b inference, the RTX 4090 Pro reaches 179 tokens/s while the RTX 4090 achieves 181 tokens/s, making the RTX 4090 Pro marginally slower with a 1% deficit. Overall, the RTX 4090 Pro wins 5 out of 9 LLM tests with an average 1% performance difference, making it the stronger choice for transformer model inference workloads.

Image Generation Performance: RTX 4090 Pro 157% faster

Evaluating AI image generation across 12 different Stable Diffusion models, the RTX 4090 Pro is 157% faster than the RTX 4090 in this category. When testing sd3.5-medium, the RTX 4090 Pro completes generations at 6.1 s/image compared to RTX 4090's 26 s/image, making the RTX 4090 Pro substantially faster with a 320% advantage. Across all 12 image generation benchmarks, the RTX 4090 Pro wins 8 tests with an average 157% performance difference, establishing it as the preferred GPU for Stable Diffusion, SDXL, and Flux deployments.

About These Benchmarks of RTX 4090 Pro vs RTX 4090

Our benchmarks are collected automatically from servers having gpus of type RTX 4090 Pro and RTX 4090 in our fleet using standardized test suites:

LLM Inference (Ollama & VLLM): Measures tokens per second of RTX 4090 Pro compared to RTX 4090 for LLM inference using various models (Llama, Qwen, etc.) on both Ollama and VLLM with FP8 quantization
Image Generation: Measures images per minute and seconds per image for AI image generation on the RTX 4090 Pro compared to RTX 4090
CPU: Single-core and multi-core operations per second representing GPU Servers you can rent with RTX 4090 Pro or RTX 4090
NVMe: Read and write speeds in MB/s for storage performance on GPU Servers typically equipped with RTX 4090 Pro or RTX 4090

Note: RTX 4090 Pro and RTX 4090 AI Benchmark Results may vary based on system load, configuration, and specific hardware revisions. These benchmarks represent median values from multiple test runs of RTX 4090 Pro and RTX 4090.