“Better” depends on your platform and expectations. Here’s a breakdown:
EX360E runs maybe 15–20 games reliably. Xenia runs hundreds , including many at full speed. Try a lesser-known title on EX360E, and you’ll likely get a black screen or crash.
The Xbox 360 utilized a custom GPU based on the ATI Xenos architecture, which utilized a unified shader architecture—a cutting-edge feature in 2005 that was ahead of most PC hardware of the time.