The AMD RX 9070 wins in 12 out of 15 comparable specs. Its biggest advantage is FP32 Performance (915% better).
RX 6400 wins in 3 specs (TDP: 76% better).
Recommendation
Choose RX 9070 if you want the best overall performance — especially fp32 performance.
Choose RX 6400 if tdp matters more to you.
AI Versus Verdict
The AMD RX 9070 is the objective winner of this comparison, securing victory in twelve out of fifteen measured specifications. Its most significant advantage over the AMD RX 6400 is its FP32 performance, which is 915% better. This massive lead in raw computational capability establishes the former as the superior hardware choice for demanding tasks that rely on high-speed floating-point calculations.
Users prioritizing raw processing power should select the AMD RX 9070 for its substantial lead in FP32 performance. Conversely, the AMD RX 6400 is the appropriate choice for those who prioritize power efficiency, as it offers a 76% advantage in TDP. This makes the latter suitable for builds where minimizing power consumption is the primary requirement, while the former is designed for users who need the highest possible computational output.
Generated by Gemini from the objective spec comparison above. AI advice is a summary, not a benchmark — always verify critical purchases.