Drastically different single core vs multi core performance?

[Michkel_1]

Hey everyone,

I'm experiencing suspiciously low FPS when playing games, and so I ran a benchmark of my system: http://www.userbenchmark.com/UserRun/6957901

Obviously, this indicates that I might be running into a CPU bottleneck, perhaps due to overheating. However, I then compared with this benchmark, run almost a year ago: http://www.userbenchmark.com/UserRun/2798019

It seems that my CPU has gone from perfoming well at single core tasks (and somewhat bad at multi), to performing insufficiently on single core tasks... Can anyone explain this?

To clarify, I'm running a i7-2700k.

Thank you in advance

 

[marksavio]

outdated/improperly instealled drivers can also cause slowdown to your hardware. some windows updates may have affected.
have you visited your motherboards support site lately? when was the last time? maybe you should download and reinstall your drivers starting with your chipset. also check your BIOS and update. you may also need to use DDU to clean your GPU driver in safe mode. and reinstall the latest driver.

 

[dudeman509]

Single core looks fine in the benchmark you linked.

Download a utility like HWMonitor and see if it thermal throttles when all cores are loaded up. CPU-Z, Prime95, or other utilities have a built-in stress tester.

Might be time to go re-apply thermal paste.

 

[helpstar]

your turbo core is throttled, reapply thermal paste and try benchmarking again

Intel processor diagnostics can be used as well to stress and check the temperature or check with dudman509´s suggestions



Also have a look at your SSD, it´s really slow in both benches. Should be like Read 535 MB/s – Write 480 MB/s
Plug in the SSD in the slot SATA3_0 or SATA3_1

check if "AHCI" sata mode is chosen in BIOS and not "IDE". If it´s IDE, you will have to change it in windows first, or you will get a bluescreen error:
https://www.youtube.com/watch?v=7afocdWvQ6Y

check if you can get more space on the SSD, 2GB are very low for it, would suggest like 10-20GB free space (for windows updates, swap file and other backround things)

eventually a firmware update would be fine too, check if I chose the correct SSD:
https://www.kingston.com/en/support/technical/downloads?product=svp200s3&filename=VP200_507KC4_win.zip

 

[Michkel_1]

outdated/improperly instealled drivers can also cause slowdown to your hardware. some windows updates may have affected.
have you visited your motherboards support site lately? when was the last time? maybe you should download and reinstall your drivers starting with your chipset. also check your BIOS and update. you may also need to use DDU to clean your GPU driver in safe mode. and reinstall the latest driver.

I use driver booster 4 to keep track of necessary driver updates, and it says there are no new drivers available. Is it possible that there are new drivers available anyway?

 

[Michkel_1]

Single core looks fine in the benchmark you linked.

Download a utility like HWMonitor and see if it thermal throttles when all cores are loaded up. CPU-Z, Prime95, or other utilities have a built-in stress tester.

Might be time to go re-apply thermal paste.

Just ran the stress test in the Intel Processor Diagnostics Tool, and it worked fine with temps well below 10 degrees C of what was allowed.

 

[Michkel_1]

your turbo core is throttled, reapply thermal paste and try benchmarking again

Intel processor diagnostics can be used as well to stress and check the temperature or check with dudman509´s suggestions



Also have a look at your SSD, it´s really slow in both benches. Should be like Read 535 MB/s – Write 480 MB/s
Plug in the SSD in the slot SATA3_0 or SATA3_1

check if "AHCI" sata mode is chosen in BIOS and not "IDE". If it´s IDE, you will have to change it in windows first, or you will get a bluescreen error:
https://www.youtube.com/watch?v=7afocdWvQ6Y

check if you can get more space on the SSD, 2GB are very low for it, would suggest like 10-20GB free space (for windows updates, swap file and other backround things)

eventually a firmware update would be fine too, check if I chose the correct SSD:
https://www.kingston.com/en/support/technical/downloads?product=svp200s3&filename=VP200_507KC4_win.zip

As I said in my comment above, the stress test ran without problems. Do you reckon the SSD performance might influence gaming performance?

 

[helpstar]

Not only the Performance but the low free space on it as well

Check with prime 95 too

Driver booster might be responsible for performance issues as well as eventually other tuning tools installed

Run 3dmark timespy (it's for free), after it click on compare result online and post the address which comes up with your browser

 

[Michkel_1]

So I reapplied thermal paste, and this was the result: http://www.userbenchmark.com/UserRun/6995005

Also, I connected the SSD to a sata 3.0 port, but apparently that didn't change anything in the benchmark..

Update: after running for not more than 15 minutes, the benchmark showed the following... http://www.userbenchmark.com/UserRun/6995088

 

[helpstar]

try 3dmark

 

[dudeman509]

Download HWMonitor.

Full out with all 4 cores loaded up, what GHz/temp is your CPU running at? It looks to me like it's throttling back out of turbo boost for some reason.

 

[Michkel_1]

Hi guys, thanks so much for all your responses. I sincerely apologize for being an idiot, but it turns out that the power-saving feature in windows was enabled - as I disabled this, my CPU functions perfectly! Sorry for wasting your time, but thanks again for the responses.