Due to a lack of research on my part, I am currently the owner of both a US and International HTC One X. The short story is that I bought a used ATT One X after looking at the spec sheet, not realizing until after I had received it, that it was essentially half the phone that I was expecting. I didn't read the part about the US version being different. So I then tracked down an international version and have been doing some comparisons.
I have read several places, especially on the xda forums, that the US version is faster than the International version. However, after running several benchmarks, my results do not reflect that, not even remotely. For a comparison, I am including my current Droid RAZR. These are free apps from the Google Play market. These scores are the average of three runs, rounded up.
CF Bench(Higher is better): International - 13231, US - 9496, Droid RAZR - 4692
CPU Benchmark(Lower is better): International - 498ms, US - 602ms, Droid RAZR - 702ms
PassMark CPU Test(Higher is better): International - 7410, US - 3556, Droid RAZR - 3061
PassMark Disk Test(Higher is better): International - 3835, US - 3523, Droid RAZR - 2411
PassMark Memory Test(Higher is better): US - 1635, Droid RAZR - 938, International 920
PassMark 2D Graphics Test(Higher is better): International - 1878, Droid RAZR - 1833, US - 1533
PassMark 3D Graphics Test(Higher is better): International - 716, US - 668, Droid RAZR - 654
Quadrant Standard CPU(Higher is better): International - 13223, US - 8395, Droid RAZR - 4882
Quadrant Standard MEM(Higher is better): US - 7547, International - 3498, Droid RAZR - 2985
Quadrant Standard I/O(Higher is better): International - 5479, US - 3630, Droid RAZR - 2941
Quadrant Standard 2D(Higher is better): International - 1000, US - 990, Droid RAZR - 981
Quadrant Standard 3D(Higher is better): International - 2365, Droid RAZR - 2303, US - 2126
The international version is faster in almost every benchmark with the exception of the Memory(RAM) benchmarks.
My conclusion: People in the US market are getting screwed. The US version is slower(albeit only slightly in some cases), has half the storage space, comes with ATT crapware, and is also slightly slower than my Droid RAZR in some benchmarks.
What are your thoughts?