Here is my system:
Asus P5E3 Premium wifi,
E8600 4.4 Ghz,
4 gigs ram,
2x 4870x2 (quad crossfire),
Vista 64 bit.
I play at 2560x1600 resolution. Used both catalyst 8.9 and 8.10 beta.
Several games (Mass effect, Sacred 2 demo) give me the same problem. I get very high framerates, but every other second, I get jerky/choppy peformance. For example in both mass effect and sacred 2, whenever I move the character forward, I get smooth movement and next second I get a jerky/choppy effect. It is sort of like a hiccup. LIke for a second everything moves backwards and then forwards.
For both mass effect and sacred I am playing at max settings with 4axx. WHen I disable aa, the effect is ALOT less noticeable. The thing is I just read a performance analysis of sacred 2 done at legion hardware and they get about 120 fps with max settings AND 4xaa with a single 4870x2. I get choppy performance at SAME settings with 2x 4870x2! I asked them and they said they get perfectly smooth gameplay.
Other games like Grid, assassin's creed are perfect no problems perfectly smooth at highest settings and 8xaa.
Is this an issue with quad crossfire? Anyone know what is up? At first I thought this is microstuttering but that isn't a problem unless you have low framerates, which isn't the case for me.
Asus P5E3 Premium wifi,
E8600 4.4 Ghz,
4 gigs ram,
2x 4870x2 (quad crossfire),
Vista 64 bit.
I play at 2560x1600 resolution. Used both catalyst 8.9 and 8.10 beta.
Several games (Mass effect, Sacred 2 demo) give me the same problem. I get very high framerates, but every other second, I get jerky/choppy peformance. For example in both mass effect and sacred 2, whenever I move the character forward, I get smooth movement and next second I get a jerky/choppy effect. It is sort of like a hiccup. LIke for a second everything moves backwards and then forwards.
For both mass effect and sacred I am playing at max settings with 4axx. WHen I disable aa, the effect is ALOT less noticeable. The thing is I just read a performance analysis of sacred 2 done at legion hardware and they get about 120 fps with max settings AND 4xaa with a single 4870x2. I get choppy performance at SAME settings with 2x 4870x2! I asked them and they said they get perfectly smooth gameplay.
Other games like Grid, assassin's creed are perfect no problems perfectly smooth at highest settings and 8xaa.
Is this an issue with quad crossfire? Anyone know what is up? At first I thought this is microstuttering but that isn't a problem unless you have low framerates, which isn't the case for me.