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Updraded to i5 2500k benchmarks are worse?

mattuk

mattuk

mattuk

Associate
Joined
12 Jan 2010
Posts
68
I upgraded from a phenom II x4 @3.8ghz. To a i5 2500k with a z77 Asrock extreme4 motherboard.

Well i dont think my i5 is performing as it should. My old Phenom is beating the 2500k in heaven.

wgoy0h.jpg


u5u2p.jpg


Surely this can't be right?
 
Have you seen the difference between the minimum and maximum fps, the 2500k gets around double. Anyway's overclock that 2500k to 4.5ghz then re-run that benchmark please.
 
Spenty said:
Have you seen the difference between the minimum and maximum fps, the 2500k gets around double. Anyway's overclock that 2500k to 4.5ghz then re-run that benchmark please.
Click to expand...


Im at 4.6ghz but using the Intel turbo boost. I just looked at CPU-Z while running Heaven and my Multiplier does keep dropping back to x16 and stays like it more so then x46.

But the problem is i have disabled speedstep and C1E but my multiplier wont stay at 4.6ghz.:confused:
 
mattuk said:
Im at 4.6ghz but using the Intel turbo boost. I just looked at CPU-Z while running Heaven and my Multiplier does keep dropping back to x16 and stays like it more so then x46.

But the problem is i have disabled speedstep and C1E but my multiplier wont stay at 4.6ghz.:confused:
Click to expand...

Does it still drop back to x16 with speedstep disabled!?

If you're overclocking with Turbo Boost, then it won't stay at 4.6Ghz because it will only go that high when it needs to - when the turbo boost kicks in.

If you want it to stay at 4.6Ghz [I've had no problem overclocking with speedstep] you need to do a manual overclock that sets the multiplier permanently to x46. What motherboard is it?
 
From what I remember with my ASRock E4 G3 you need to raise the turbo power limits when overclocking, even if you have it set to disabled. 200W should be easily enough.

The settings are called short & long duration power limit.
 
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I set 200W on long and short power limit and has no effect.

I should mention i can't disable intel turbo boost technology. I can't click or highlight it what so ever.
 
beejjacobs said:
Does it still drop back to x16 with speedstep disabled!?

If you're overclocking with Turbo Boost, then it won't stay at 4.6Ghz because it will only go that high when it needs to - when the turbo boost kicks in.

If you want it to stay at 4.6Ghz [I've had no problem overclocking with speedstep] you need to do a manual overclock that sets the multiplier permanently to x46. What motherboard is it?
Click to expand...

Yeh with speedstep disabled and CPU ratio set to 46. Still says x16 in CPU-Z until i start up Heaven then goes to x46 but when running it drops to x16 again and stays like it most of the benchmark.

I need to find out how disable this Intel Turbo Boost.
 
What temperatures are you getting? try going into windows control panel and under power settings set it to performance.
 
I'm soon to be upgrading from a Phenom 2 955 @ 4.1ghz to a i5 2500k which I hope to hit 4.5ghz on. Hope I see a jump in performance. Looking at anandtech CPU bench some games are as much as 20fps better of using the i5 2500k over the top end Phenom 2 so I should see improvement.
 
Spenty said:
I'm soon to be upgrading from a Phenom 2 955 @ 4.1ghz to a i5 2500k which I hope to hit 4.5ghz on. Hope I see a jump in performance. Looking at anandtech CPU bench some games are as much as 20fps better of using the i5 2500k over the top end Phenom 2 so I should see improvement.
Click to expand...

You definitely should. I'm running my i5 2500k at 4.6 GHz all the time (with GTX 560s in SLI) now with relatively low voltages and it is extremely stable. I see a 25%+ improvement in performance over my Q6700 @3.2 GHz (in gaming fps and benchmarks). 3DMark 11 from 7k to 8.9k. Unigine from 2000, to 2900 on standard settings.
 
Yes!!! The driver is certainly part of this problem the earlier released driver was better in Unigen. the best unigen driver is the 12.4 preview. As far as the changing multiplier could that be a C states issue.
 
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