Portal 2 - Radeon HD 6570

Any lag was caused by recording with a fraps program (Gamecam) Sorry for Sound issue (i use Headset) And sorry for bad quality (its for more performance) With Fraps : 45-50 fps Wthout Fraps : 60+ fps MY PC: Windows: Xp service pack 3 Memory: 2Gb RAM Processor: Intel Celeron Dual Core E3400 @ 2.6 Ghz GPU: Sapphire RadeonHD 6570 2 Gb DDR 3