XP to Win 7 lower scores

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Hi Guys

Been using novabench to optimize what I have and have been really enjoying it!

Until recently I have been using XP SP3 however lately I have been using Windows 7 which seems slower. I have also tried another program and it confirms that I am getting slightly lower scores on that as well, going from consistent 2255 down to 2160.

I have used whatever drivers I could from XP, x64 drivers were installed as needed. No hardware changes were made. I have changed power saving mode to performance. I am currently on a newer beta driver for the gpu and have also rolled back to a previous version to no avail. Im not 100% sure if windows 7 gives lower scores in general, or there are further settings I need to change. I did notice that my cpu speeds seem to fluctuate more with windows 7 then XP (clock multiplier). bclock, timings etc in the bios have not been changed.

113X Windows 7 typical run:
9/5/2012 8:31:31 PM
Microsoft Windows 7 Ultimate
Intel Core i5 750 2.67GHz @ 3239 MHz
Graphics Card: NVIDIA GeForce GTX 460
4092 MB System RAM (Score: 142)
- RAM Speed: 9616 MB/s
CPU Tests (Score: 462)
- Floating Point Operations/Second: 104401480
- Integer Operations/Second: 418176416
- MD5 Hashes Generated/Second: 1088672
Graphics Tests (Score: 512)
- 3D Frames Per Second: 1403
Hardware Tests (Score: 20)
- Primary Partition Capacity: 146 GB
- Drive Write Speed: 93 MB/s

1272 Windows XP (one of the higher runs):
8/27/2012 2:43:23 PM
Microsoft Windows XP Professional
Intel Core i5 750 2.67GHz @ 3200 MHz
Graphics Card: NVIDIA GeForce GTX 460
3580 MB System RAM (Score: 130)
- RAM Speed: 8744 MB/s
CPU Tests (Score: 485)
- Floating Point Operations/Second: 104845376
- Integer Operations/Second: 439452724
- MD5 Hashes Generated/Second: 1190985
Graphics Tests (Score: 645)
- 3D Frames Per Second: 1735
Hardware Tests (Score: 12)
- Primary Partition Capacity: 146 GB
- Drive Write Speed: 34 MB/s

Has anyone else noticed windows 7 is slower or am I missing something totally obvious?

Edited by soddo

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Double checked the gpu settings to make sure there wernt any power saving modes on.

One thing I did notice, in XP Novabench was using turbo boost (x24 multiplier) where on win 7 it will
only flicker onto boost at the start of the graphics and memory/hdd test so all the xp tests were at
around 3.888ghz while in win 7 it will be at 3.4ghz...

This would account for the difference in CPU scores, however I am unsure how much that will be
effecting GPU Scores.

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