Nice results for a days work and it sounds like you had some fun doing it. I think the temperatures you're seeing say that's as far as you can go with the CPU and cooling you have. I think my comments above hold -- delidding is the step you'd have to take for the next step of CPU speed.
Have you submitted that score and checked where you stand on the leaderboard? When you do, be sure to filter the standings to just Maximus to avoid comparing with 6-core quad RAM channel extreme editions.
Don't put too much effort into the OpenCL score. It's great for an Nvidia GPU, and about 20000 higher than mine. See the Realbench section of the forum for discussions on Nvidia's treatment of OpenCL. Another thread in that section discusses optimizing a system for benchmarks -- streamlining Windows, task priorities, etc. I think you'll get more out of that than from OpenCL.
The area I think needs most attention is RAM. I'm actually nervous about the RAM voltage you report. It has been said by Intel that RAM voltage over 1.65 is hazardous to Haswell health. With RAM rated for 2600MHz, I would expect it would need less than 1.65v when running at 2400MHz in the Realbench screenshot. My RAM is rated 2400 and runs at 2400 with 1.63volts with very tight timing. With relaxed timing, mine runs at 2400MHz with 1.56volts.
The ROG guide
http://rog.asus.com/242142013/labels/rog-exclusive/maximus-vi-series-uefi-guide-for-overclocking/
goes into RAM tuning and I learned much from it.
The screenshot says the core clock is 800MHz. That means speedstep (EIST) is on. You might get better performance, and consistency is more likely, with EIST disabled, turbo enabled and fully manual OC. The guide goes into that stuff, too.
Jeff
Have you submitted that score and checked where you stand on the leaderboard? When you do, be sure to filter the standings to just Maximus to avoid comparing with 6-core quad RAM channel extreme editions.
Don't put too much effort into the OpenCL score. It's great for an Nvidia GPU, and about 20000 higher than mine. See the Realbench section of the forum for discussions on Nvidia's treatment of OpenCL. Another thread in that section discusses optimizing a system for benchmarks -- streamlining Windows, task priorities, etc. I think you'll get more out of that than from OpenCL.
The area I think needs most attention is RAM. I'm actually nervous about the RAM voltage you report. It has been said by Intel that RAM voltage over 1.65 is hazardous to Haswell health. With RAM rated for 2600MHz, I would expect it would need less than 1.65v when running at 2400MHz in the Realbench screenshot. My RAM is rated 2400 and runs at 2400 with 1.63volts with very tight timing. With relaxed timing, mine runs at 2400MHz with 1.56volts.
The ROG guide
http://rog.asus.com/242142013/labels/rog-exclusive/maximus-vi-series-uefi-guide-for-overclocking/
goes into RAM tuning and I learned much from it.
The screenshot says the core clock is 800MHz. That means speedstep (EIST) is on. You might get better performance, and consistency is more likely, with EIST disabled, turbo enabled and fully manual OC. The guide goes into that stuff, too.
Jeff
AS5 is as good as TIM gets and still be electrically non-conductive. It's a big and hazardous step to get to a better TIM -- liquid metal. That stuff is electrically conductive and takes special care, especially under the lid.
I understand the addiction. I got it unexpectedly too. I'm already at the point where I don't respect my CPU enough to preserve it. This dog could turn to toast and I would gladly get another. The reason I don't anyway is the Haswell lottery - as much chance of getting one that's worse as one that's better - and saving my pennies for the impending Devils Canyon.
My CPU clock isn't all that high - x47 multiplier. I ran up against the CPU's limits with x47, Bclk 1% high and 1.565 volts on the cores. That's just stable enough to do the benchmark and scored under 90000. Memory tweaking did the rest. You have a great start and the 2600MHz timings look spectacular. Memtweakit 40000 is great. I get 36500. Haswells are all different. You may have one of them that has to trade CPU OC for higher memory clocks. I've heard about that, but not seen a comparison like you did here.
Have fun
Jeff
I understand the addiction. I got it unexpectedly too. I'm already at the point where I don't respect my CPU enough to preserve it. This dog could turn to toast and I would gladly get another. The reason I don't anyway is the Haswell lottery - as much chance of getting one that's worse as one that's better - and saving my pennies for the impending Devils Canyon.
My CPU clock isn't all that high - x47 multiplier. I ran up against the CPU's limits with x47, Bclk 1% high and 1.565 volts on the cores. That's just stable enough to do the benchmark and scored under 90000. Memory tweaking did the rest. You have a great start and the 2600MHz timings look spectacular. Memtweakit 40000 is great. I get 36500. Haswells are all different. You may have one of them that has to trade CPU OC for higher memory clocks. I've heard about that, but not seen a comparison like you did here.
Have fun
Jeff
I've never run into a BIOS overvolt limit because I don't boot at high voltage. My BIOS profile with all the benchmark optimization has the cores at 4700MHz, 100.0MHz Bclk and 1.500Vcore. That boots and is Realbench stable. Then I tweak in the extra voltage and Bclk in Windows.
Perhaps AI Suite can do this, but I don't use AI Suite for several reasons -- it's not even installed. Way down the directory on the Asus distribution disk is a handy utility called TurboV Core. It's a no-nonsense OC tweaker that runs in Windows. It doesn't try to help you by setting any limits, so you have to be careful. That's the voice of experience. I made some typo -- wrong value, slipped decimal point, wrong box, something -- and toasted a very good CPU. With TurboV, and I think with any tweaking software running in the operating system, take small steps when reducing voltage. You never can tell what will happen when voltage gets so low that it causes errors.
TurboV Core works on a nice subset of clocks and voltages and is very handy for quickly stepping voltages up or down when seeking a low power stable OC. In this case, I use it to get Vcore up after boot, then increase Bclk.
Jeff
Perhaps AI Suite can do this, but I don't use AI Suite for several reasons -- it's not even installed. Way down the directory on the Asus distribution disk is a handy utility called TurboV Core. It's a no-nonsense OC tweaker that runs in Windows. It doesn't try to help you by setting any limits, so you have to be careful. That's the voice of experience. I made some typo -- wrong value, slipped decimal point, wrong box, something -- and toasted a very good CPU. With TurboV, and I think with any tweaking software running in the operating system, take small steps when reducing voltage. You never can tell what will happen when voltage gets so low that it causes errors.
TurboV Core works on a nice subset of clocks and voltages and is very handy for quickly stepping voltages up or down when seeking a low power stable OC. In this case, I use it to get Vcore up after boot, then increase Bclk.
Jeff
27C idle temp with 20-24C ambient is very-very good with Haswell! How your max core temps changed with delidding?
