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i7 2600k vs AMD 955 Black (Stock) in Battlefield 3

post #1 of 26
Thread Starter 
friend's build - i7 2600k + 460 SE(stock) in 1600mhz 8gb ram, 1080p
mine - 955 be + 560ti (880/1050) in 1333mhz 8gb ram, 1080p. NB to 2600mhz if that makes any difference
he has 64mb cache on his hard drive, I've got only 32mb if that makes a difference
power suppy isn't an issue I believe. I've got 850W and he'z got 650W,both TX series
Are we supposed to get the same framerate?
I haven't tested anything yet and just inquiring. I wonder if i7 2600k is worth the purchase, because I recently got my M5A99X EVO, and I don't have much bucks left for a costly intel build, I'd rather get another 560ti with H80. Gaming is my only priority. But in a game like BF3 how much is the difference? Since I can't seem to find any processor benchmarks on 1080p of BF3.
post #2 of 26
Quote:
Originally Posted by amd955be5670 View Post

friend's build - i7 2600k + 460 SE(stock) in 1600mhz 8gb ram, 1080p
mine - 955 be + 560ti (880/1050) in 1333mhz 8gb ram, 1080p. NB to 2600mhz if that makes any difference
he has 64mb cache on his hard drive, I've got only 32mb if that makes a difference
power suppy isn't an issue I believe. I've got 850W and he'z got 650W,both TX series
Are we supposed to get the same framerate?
I haven't tested anything yet and just inquiring. I wonder if i7 2600k is worth the purchase, because I recently got my M5A99X EVO, and I don't have much bucks left for a costly intel build, I'd rather get another 560ti with H80. Gaming is my only priority. But in a game like BF3 how much is the difference? Since I can't seem to find any processor benchmarks on 1080p of BF3.

I want to share this exp I had with a friend. he has a 6870CF though but seems like you are also bottlenecking with your single gtx 560 Ti

a friend of mine had a 6870CF and a phenom II 955 overclocked to 3.8ghz. he told me he was bottlenecking but I didn't believe him. I insisted it would be enough because BF3 was very well threaded. to my surprise when I came to his house to check it was indeed bottlenecking. 60% usage on the gpus and the cpu is at 100%. told him to get an i5 2500k but he didn't want to switch intel. then we found a very good deal with a used 1055T.when we tried running BF3 even at stock settings his gpu usage was at max already. it seems like an amd quad is not enough for BF3.

again I would've said a phenom II x4 is enough for two gtx 560 Ti but it seems like it will bottleneck
Edited by jprovido - 12/8/11 at 7:06am
post #3 of 26
Thread Starter 
In the second level, with my processor on 460SE when coming out of the vehicle, I saw 22fps. On my card I saw an impressive 30-35fps jumps with the sun shining. How ever while going to the debriefing it dropped at 20fps for a while, then jumped to 42fps, but with 460SE I saw only a 22-27fps during the whole scene. I wonder how i7 will increase 10-15frames on the 460se as my friend says.
And I just checked it again. The CPU is in the 80% level, GPU at 99%, thats the way it should be right?
post #4 of 26
Quote:
Originally Posted by amd955be5670 View Post

In the second level, with my processor on 460SE when coming out of the vehicle, I saw 22fps. On my card I saw an impressive 30-35fps jumps with the sun shining. How ever while going to the debriefing it dropped at 20fps for a while, then jumped to 42fps, but with 460SE I saw only a 22-27fps during the whole scene. I wonder how i7 will increase 10-15frames on the 460se as my friend says.
And I just checked it again. The CPU is in the 80% level, GPU at 99%, thats the way it should be right?

yep. ideally you want the gpu maxed out. how about when a lot is happening in the screen? with less extensive scenes are less taxing on the cpu it's good to check the loads if there is a lot going on. it seems like your cpu is bottlenecking. with some scenes that are more cpu extensive it is bottlenecking hence lower gpu usage = lower fps. with your friend's i7 the cpu is able to feed the gpu the sufficient processing power it needs so his fps is constant and gpu load is always maxed out
Edited by jprovido - 12/8/11 at 7:27am
post #5 of 26
I just remembered the thread I made a couple of days ago. you should try this to check your gpu usage while playing.

http://www.overclock.net/t/1179988/guide-on-screen-gpu-usage-via-msi-afterburner/0_30
post #6 of 26
Nothing he has said here has indicated Bottlenecking at all.

I currently run 2 GTX460's in SLI on a 955. Both GPU's max out at 1680x1050, with the CPU having a mild overclock of 3.8Ghz. If you can overclock your CPU to roughly 4, which is capable on most 955's, Any bottleneck you may have will be reduced to a negligible amount.

People really exaggerate bottlenecks.
     
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post #7 of 26
You must take CPU <-> GPU data transfer into account. So when CPU struggles the data transfer will be less to GPU so GPU usage won't be %90. That's also why when game loads an area, fps drops because CPU is handling loading too. So whenever you see %40 cpu %100 gpu, that time, the data transfer is more than your GPU can handle, if it's vice versa, there are things happening that your cpu is boggled and can't handle the data transfer to GPU. That's why multi-threading is important so CPU can send the max data it can to GPU.

That leads to:

There's also poor coding like in Skyrim(port?) so game demands too much from both and even gtx590 go 30 fps in cities. And poor old games like WoW and all 2 threaded games. Coding is also important biggrin.gif Otherwise on properly multi-threaded games, 1100t is more than enough, you wouldn't see %50 fps difference in WoW.
Edited by Catscratch - 12/8/11 at 7:39am
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Intel Evilnow
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post #8 of 26
Overclock the 955 to 4Ghz put the CPU-NB at 2.8 or 3Ghz if possible and you will be fine for 1080p gaming. Your machine will beat your friends if you do that. Also get 1600 or 1800mhz ram and tighten those timings that should help with overall response of the system.
post #9 of 26
Quote:
Originally Posted by Evil262 View Post

Nothing he has said here has indicated Bottlenecking at all.
I currently run 2 GTX460's in SLI on a 955. Both GPU's max out at 1680x1050, with the CPU having a mild overclock of 3.8Ghz. If you can overclock your CPU to roughly 4, which is capable on most 955's, Any bottleneck you may have will be reduced to a negligible amount.
People really exaggerate bottlenecks.

this is what I usually say. like what I said from my post. I didn't believe my friend because I know for a fact that phenom II 955 will enough for mid-end crossfire/sli setups. but for BF3 it was not the case. believe me I'm not just speculating or anything. I also own a phenom II 955 if you check my sig and almost all recent amd cpu's so I know them well. I'm also very familliar about cpu bottlenecking. I'm just making BF3 as an exception. I saw it with my own eyes. his phenom II x4 955 was really bottlenecking his 6870CF. as you can see I even made a thread how to have on-screen gpu usage for my friend. when he told me he had low usage. I went to his house to check personally. alas it was indeed bottlenecking. and very badly with max cpu usage at only 60% gpu usage.

for some odd reason 1055T at stock has full usage on his cards. if you do the math it doesn't make any sense. it seems like the coding/scheduling of work loads of the game on the cores has something to do with it.
Edited by jprovido - 12/8/11 at 7:38am
post #10 of 26
Quote:
Originally Posted by jprovido View Post

this is what I usually say. like what I said from my post. I didn't believe my friend because I know for a fact that phenom II 955 will enough for mid-end crossfire/sli setups. but for BF3 it was not the case. believe me I'm not just speculating or anything. I also own a phenom II 955 if you check my sig and almost all recent amd cpu's so I know them well. I'm also very familliar about cpu bottlenecking. I'm just making BF3 as an exception. I saw it with my own eyes. his phenom II x4 955 was really bottlenecking his 6870CF. as you can see I even made a thread how to have on-screen gpu usage for my friend. when he told me he had low usage. I went to his house to check personally. alas it was indeed bottlenecking. and very badly with max cpu usage at only 60% gpu usage.
for some odd reason 1055T at stock has full usage on his cards. if you do the math it doesn't make any sense. it seems like the coding/scheduling of work loads of the game on the cores has something to do with it.

I literally just run a game of BF3. All high settings, 1680x1050, SLI 460's and 955 at 4Ghz.

98% GPU usage on both cards.

The CPU was not his problem there.
     
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