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As a result of significantly redesigned implementation of real-time clock into Windows 8, a lot of benchmark results obtained on personal computers running Microsoft Corp.’s latest operating system may be incorrect. Since many overclocked systems may have demonstrated incorrect performance results, Hwbot web-site has disqualified results of PCs running Windows 8 from its databases.

A real-time clock (RTC) is a computer clock (most often in the form of an integrated circuit) that keeps track of the current time. Although the term often refers to the devices in personal computers, servers and embedded systems, RTCs are present in almost any electronic device which needs to keep accurate time, according to Wikipedia. Unfortunately, not all personal computers feature hardware RTCs, thus, there are software real-time clocks implemented into operating systems. Microsoft has apparently changed how it measures time to be compatible with embedded or low cost PCs that do not have a fixed RTC clock in Windows 8.

PC performance benchmark programs use RTC as reference clock when executing the benchmark code. By synchronizing with the RTC, the benchmark knows exactly how much time has it takes to perform certain operation (or how much time passes to perform something), and takes that value into account when calculating the performance of a personal computer.

The problem discovered by Hwbot’s staff is that Windows 8 RTC is affected by the base clock of Intel Corp.’s microprocessors. As a result, in many cases benchmarks record incorrect results based on Windows RTC under Windows 8. As a result, performance numbers of overclocked systems obtained in various programs may be incorrect.

As a result, enthusiast web-site Hwbot no longer accepts results obtained on PCs based on Microsoft Windows 8 operating systems.

Microsoft did not comment on the news-story.

Tags: Microsoft, Windows, Windows 8


Comments currently: 10
Discussion started: 08/20/13 03:52:20 PM
Latest comment: 08/22/13 04:45:14 PM
Expand all threads | Collapse all threads


just another reason to stick with good ol windows 7.
6 0 [Posted by: SteelCity1981  | Date: 08/20/13 03:52:20 PM]
- collapse thread

1 0 [Posted by: mudi1  | Date: 08/20/13 07:46:31 PM]

Think this may have far reaching effects for all of the Win 8 sales,once this gets into the wider using community. One more M/S stuffed up. Why don't they just leave Win 8 to quietly die?, and revert to downgrades like they had to do with Vista until win 7 came along. This is what happened with Win Me as well.
2 2 [Posted by: tedstoy  | Date: 08/20/13 05:34:27 PM]
- collapse thread

A benchmarking blog will have far reaching effects on OS sales? Hard to see how it would have any effect at all.
0 1 [Posted by: KeyBoardG  | Date: 08/21/13 01:30:41 PM]

real bad news for MS now MS has only one way i.e. costdown windows 8.
2 0 [Posted by: mudi1  | Date: 08/20/13 07:46:14 PM]

Good work HwBot, you can view there testing and results here:
0 0 [Posted by: medo  | Date: 08/21/13 12:06:42 AM]

Good idea anyway. Windows platform is compromised by the Intel C compiler with AMD cripple flags - which results in handicapped AMD Windows system performance. Linux is the fairer platform for benchmarking along with the open-source Phoronix Test Suite
1 1 [Posted by: linuxlowdown  | Date: 08/21/13 01:21:33 AM]

I get that it's not giving proper results when running benchmarks, but does this affect usability and reliability for all non-benchmark record breakers?

It's inexcusable that so much hard work has to be tossed into the garbage, but it's trivial for all other "regular" users.
0 1 [Posted by: MHudon  | Date: 08/21/13 07:05:32 AM]

I doubt MS give a toss about ppl who OC and bench, they certainly don't give a rats arse what consumers want as they force feed the fail that is W8 onto all OEM sales
0 0 [Posted by: alpha0ne  | Date: 08/22/13 01:22:25 AM]

This'll definitely hurt enthusiast's and overclocker's opinion of the platform.

...because Win8 was getting such glowing reviews until now.
0 0 [Posted by: MpG  | Date: 08/22/13 04:45:14 PM]


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