Speed up Ingame recording

Hey Guys,

I like to record game footage and then edit it later, but my problem is that when I record games that have high graphics, such as Battlefield 3, the game starts really slowing down to the point where it's unplayable. Even when I record the game footage with the ingame settings set to medium. If however I play the game without recording I can put it at the highest graphics and I don't notice any lag whatsoever.

I just want to know what do I need to upgrade in order to get better performance out of recording. I have been told that my Processor is the bottleneck, but I'm not sure and I want to be sure before I buy anything. I have no clue how the Opengl/directx recording works, therefore I would like to ask your assistance please.

Just for the record the game and windows are installed on a seperate drive on it's own and the recordings go to another drive specially for ingame recording footage. According to the benchmark the harddrive write speed is 157 MB/s.

Here is my Spec:

Operating System
MS Windows 7 Ultimate 64-bit SP1

AMD Phenom II X4 955 52 °C
Deneb 45nm Technology

8.00 GB Single-Channel DDR3 @ 802MHz (11-11-11-28)


W2442 (1920x1080@60Hz)
W2252 (1680x1050@60Hz)
NVIDIA GeForce GTX 670

Hard Drives
245GB Maxtor Maxtor 6V250F0 SCSI Disk Device (SATA) 49 °C
488GB ST3500320AS SCSI Disk Device (SATA) 47 °C
1954GB Seagate ST2000DM 001-9YN164 SATA Disk Device (SATA) 48 °C
313GB Seagate ST332062 0AS SATA Disk Device (SATA) 52 °C

Optical Drives
ASUS DRW-1814BLT SATA CdRom Device

Logitech G930 Headset
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  1. Oh and I have reduced the fps to 30 instead of 60

    (sorry for the triple post, i'm not allowed to edit my own post :( )
  2. Nevermind I had it set to Compress to codec at the same time as it is recording. That was why it was so slow. I left it back to dxtory codec and left it untouched original quality. it might take more space but I can always compress it afterwards :)
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