The NVIDIA RTX 5090 wins in 11 out of 14 comparable specs. Its biggest advantage is FP32 Performance (2844% better).
RX 6400 wins in 3 specs (MSRP: 92% better).
Recommendation
Choose RTX 5090 if you want the best overall performance — especially fp32 performance.
Choose RX 6400 if msrp matters more to you.
AI Versus Verdict
The NVIDIA RTX 5090 is the objective winner of this comparison, securing victories in 11 out of 14 measured categories. Its most significant advantage is its FP32 performance, which is 2844% better than that of the AMD RX 6400. This massive disparity in raw computational capability establishes the NVIDIA RTX 5090 as the superior component in terms of technical specifications and overall hardware power.
Users prioritizing budget should select the AMD RX 6400, as it holds a 92% advantage in MSRP compared to the alternative. Conversely, those who require the highest possible FP32 performance for their computing tasks should choose the NVIDIA RTX 5090. The decision rests on whether the buyer values the significant cost savings offered by the AMD RX 6400 or the substantial performance gains provided by the NVIDIA RTX 5090.
Generated by Gemini from the objective spec comparison above. AI advice is a summary, not a benchmark — always verify critical purchases.