Question / Help CPU spiking to 100%

Streamerx

New Member
My pc setup
Intel Core i7 870 2.93GHz
8 GB RAM
Radeon R9 270X
Windows 7 64bit
15mbps upload speed

I normally stream at either 1080p at 30fps or 720p at 60fps. My games streamed are FPS and MMO (WoW and CoD). I generally use the veryfast preset but sometimes the cpu randomly goes to 100% for about 10 seconds and the stream is completely frozen and the game is very laggy. Using the superfast x264 preset solves this problem but that causes a lot worse quality. This problem is very frustrating as the stream is perfect until the CPU starts playing up. Insight on how to fix this problem would be greatly appreciated.
 
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