Topic Title: HD 6850 stuttering
Topic Summary: affects Train simulator 2013
Created On: 02/23/2013 06:03 PM
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 02/23/2013 06:03 PM
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Joined: 02/23/2013

Just got a new HP phoenix, Train simulator 2013 ran fine on my old machine so I assumed this one would be able to max it out without any problems. Started it up and loaded up an incredibly resource intensive route, (Koln-Dusseldorf) and it managed to hit 40-60FPS within the cities themselves with no lag which is what I expected from such a machine. However there is constant stuttering! Whenever I drive a trainset it looks like the scenery is teleporting towards me, incredibly annoying especially considering my PC is overpowered for this game. It doesn't come in pulses it's just always there, even on the very plain routes where the FPS can hit 100+. I even tried dumbing the graphics down to low but it made no difference. Strangely, my old PC while unable to produce high FPS could produce the animations smoothly with next to no stuttering.

This happens all the time, i can easily reproduce it. Getting the latest drivers made no noticeable difference. I tried fiddling with CCC and turned on/off a few settings but nothing. Temperatures after a few hours of gaming are in the 40-50 degrees Celcius range, no overclocking. This problem seems to be affecting only some applications, I can max out LOTRO and WoT with no problems. And I don't know about my PSU power rating but it should be adequate, why would HP build something that had an insufficient PSU?

Also: When I installed Napoleon Total war on my new computer it also produced similar circumstances, incredibly high FPS with max settings but stuttering everywhere even on low settings. My old PC also did not experience stuttering. I managed to fix it in this instance by dumbing down particle effects which solved the problem completely.

Old PC specs:

Win7 32bit, Intel Core2 Duo E6550 2.33Ghz, 2GBRAM, Nvidia GeForce 9600GT.

New specs:

Win7 64bit, Intel Core Quad core I7-2600 3.3GHz, 16GB RAM, AMD Radeon HD6850B

BIOS version AMI 7.12      12/10/2011

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