No. AMD has released an eight-core design, but that doesn't mean we have entered the "eight-core era." The FX-8xxx had a case for being an eight-core design - no one called that the beginning of the eight-core era.
As it stands now, we've arguably landed at six cores. AMD's Ryzen 5 1600X is...
I'm interested to see if someone manages to inject Coffee Lake microcode into Z170/Z270 motherboards or if Skylake/Kaby Lake gets injected into Z370 motherboards.
There are some extra voltage pins on Coffee Lake, but the fact it was tested on Z270 motherboards means that it can theoretically...
Unfortunately, it appears that Speed Shift was not working as intended.
As of right now, C-states and EIST are enabled. I was able to unhide a setting in Power Options called "Processor performance increase threshold" through some registry modification. This was set at 90% (meaning 90%...
I'll have to try this out. I found some hidden power management settings in Windows that have the same effect, but they don't function when Speed Shift is enabled.
The default threshold for changing P-states in Windows 10 was 90% utilization. That perfectly explains why benchmarks made my CPU...
Just upgraded from an i5-2500K at 4.4 GHz to an i7-7820X at 4.8 GHz. All benchmarks show that the processor is considerably more powerful than my 2500K.
The issue? Every day use seems sluggish. I've narrowed the problem down to the processor spending almost all of its time at 1.2 GHz - even up...
It's not using AVX. There's some specific combination the Prime95 26.6 blend throws at my CPU that pushes it to higher power draw than even Small FFTs does. Part of the power consumption (though likely insignificant) comes from the memory controller running at DDR4-4000 and the uncore/mesh...
Got my i7-7820X set up.
On an ASRock X299 OC Formula and NH-D15, I'm running it at 4.8 GHz/1.25V. Temperatures peaked at about 91C when open air testing. Testing with my case in my desk can force temperatures to almost hit 100C, so I've limited the long term boost power consumption limit.
This...
Correct, but are we simply accepting that the base case is true? Is there a reason we are considering 7900X vs. 7920X rather than 7800X/7820X? Or maybe 7740X/7800X?
If we really push it, we may be able to prove 28 cores = 0 cores by induction!
Almost, but not quite. We have failed to demonstrate a base case, so we can't really make use of this attempt at proof.
Perhaps we should attempt proof by contradiction?
Assume 12 cores are indistinguishable from 10 cores. This implies that $1199 = $999, which implies that 199 = 0. This is a...
While this is technically true, it ignores the fact that the "two generations" that came out on Z170/Z270 were fundamentally the same architecturally. At the very least, Ivy Bridge was a die shrink of Sandy Bridge with an improved memory controller.
Coffee Lake's cores are more similar...
There are no officially documented electrical differences as of now. The expectation of Skylake and Kaby Lake working on Z370 is simple - if it weren't compatible, we'd almost certainly see "for use on Z170/Z270 only" on Kaby Lake CPUs at this point.
Sometimes BIOS mods allow for this kind of...
There is official word. The boxes for Coffee Lake CPUs specifically state that Z370 motherboards are required.
Some people believe there's a genuine need for new motherboards to support these CPUs, but I'm not buying it. They aren't meaningfully different from Skylake/Kaby Lake in any way that...
It doesn't look like anything has really been changed with the PCH - Z370 looks to be just a Z270 rebrand. Z390 is going to be the new PCH. Socket power delivery looks like it is the only plausible explanation (and that's stretching it since people are pushing Kaby Lake to >7.0 GHz on LGA 1151...
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