I just downloaded both the file from HTC, and the leaked rom from DCD (from
this thread). The following files are different. This is by extracting the .exe and comparing the MD5 checksums of each file. I've included the checksums as well.
B61EFC33FE58935BA88B5E3F774CA205 RUU_signed.nbh <--- Leaked
ABBAB23E4B54189A71BD34AC4D401C07 RUU_signed.nbh <--- New
1FF00A91A7A2D7D8CDCBFCCFD9E32D47 README.doc <--- Leaked
8E4124E0C59DF2333500CEA2BA1BAEEC README.doc <--- New
F0B464C2659F650086EFDBC8D0924713 ModelID.fig <--- Leaked
61C8F0DB292FE7A42A72BDBE2E232565 ModelID.fig <--- New
DCC1B60FEE8A2B2BBE8804001B85EF59 ErrorUSB.fig <--- Leaked
3F0AF91D1A85280EBE4E6B85D58311AC ErrorUSB.fig <--- New
D17166DB9B77E7D61CCFF7B971148721 ErrorBattery.fig <--- Leaked
C2D1CDD05B5374FA9C833605EC55DBA5 ErrorBattery.fig <--- New
As you can see, there is clearly a difference.