I think GTHD is 1440 x 1080 (4:3) with NO AA (hence it's jaggy as heck).
If it was at 720p, it would be blurry. Lair would be a perfect example for 1080p AND MSAA 2x.
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cChip interpreter WIP - current status: Release Candidate
LRx Filter RC - current performance rating: 9/10