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stevod
Posts: 10
Registered: ‎07-04-2011
Location: Between Winchester & Petersfield, Hampshire UK
0

Re: X220 CPU throttling problem


Ken wrote:

Ok, the improved trial bios is under test on the over all throttling. From what I've seen, it'll address the issues like bender (and others) described. We are targeting release at end of the month. Again we want to do significant testing to ensure we've got significant improvement.



Great work.

 

Many thanks for the update - much appreciated.

 

S

 

 

Stephen
ThinkPad x220 CTO / i7 / 8GB / SSD
Residence Interior Design Hampshire - http://www.residenceinteriordesign.com
802.11n
JNavas
Posts: 563
Registered: ‎08-07-2010
Location: San Francisco Bay Area
0

Re: X220 CPU throttling problem

[ Edited ]

Alexo wrote:

Ken wrote:

Ok, the improved trial bios is under test on the over all throttling. From what I've seen, it'll address the issues like bender (and others) described. We are targeting release at end of the month. Again we want to do significant testing to ensure we've got significant improvement.


"Over all" is a very broad term.

Could you please specify what issues are being addressed and what the solution is?

In particular, how does the BIOS update handles the issue of the 65W adapter not having enough "juice"?


Because the 65W adapter does not seem to be able to supply enough power for worst-case maximum performance, I think the best we can hope for is much less aggressive power throttling when on the 65W adapter to stay just within the power budget of the 65W adapter (and of course no power throttling on a 90W adapter).

Hope that helps,
John
ThinkPad T420s [ i5-2540M CPU | 8GB RAM | 1TB SSD | Bay Battery | BT | Webcam | FR | Win7Pro64 ]
What's DOS?
andryjohn
Posts: 2
Registered: ‎08-04-2011
Location: USA
0

Re: X220 CPU throttling problem

Hi everyone,

 

I just received my new X220 i7 and I read all the 55 pages of posts :smileysurprised: almost... :smileyhappy:

 

I have BIOS 1.17 at the moment. I tried testing (quickly.. I admit) for the perma-throttle with OCCT and HwInfo as well as CPU Z, on both 65 W and non-slim 90 W. It runs fine! no throttling at all!! which is good... I suppose.

 

BUT when I run the Windows Experience index (WEI) test the result is dramatic!!! it's lower than the 4 years old pc I replaced with this!!!

here's the result:

 

ComponentDetailsSubscoreBase score
ProcessorIntel(R) Core(TM) i7-2620M CPU @ 2.70GHz3.4
3.4
Determined by lowest subscore
Memory (RAM)4.00 GB5.6
GraphicsIntel(R) HD Graphics Family4.6
Gaming graphics1696 MB Total available graphics memory6.2
Primary hard disk249GB Free (287GB Total)5.9
Windows 7 Professional



Monitoring the test with HwInfo and CPU-Z is evident how, as soon as the test starts, the cpu is kicked down to ~800MHz and it stays there all the time until the test is over, when it goes back to 3GHz!!

 

The result is the same on 65 W or 90W (battery is plugged in of course) and LENOVO power setting to Max Performance.

 

What's going on??? any one has a clue? anyone experiences the same frustration?

 

should I upgrade to BIOS 1.19?

 

any suggestion is welcome

 

 

 

 

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bender957
Posts: 47
Registered: ‎07-21-2011
Location: Russia
0

Re: X220 CPU throttling problem

 

andryjohn,

 

i have no throttling issue with OCCT as well with 65W or 90W adapter.

 

and i have a billions of throttling issues with "REAL" applications

 

 

What's DOS?
poynting
Posts: 1
Registered: ‎08-04-2011
Location: Germany
0

Re: X220 CPU throttling problem

Does the X220i also throttle? I did not experience any performance drops during work, so I tried to reproduce throttling.

 

I checked with Prime&Furmark running. The GPU stays between 800 and 1100 MHz and the CPU remains at 2100 MHz. When I quit Prime, the GPU never falls under 1100 MHz and the GPU is always 2100 MHz.

 

Seems that X220i users are quite lucky.

 

My config is: X220i: i3-2310 2,1 GHz, 8GB Ram, 40GB mSATA SSD, 320GB HD, TN-Screen, 65W PSU, Intel 6205 WLAN

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bender957
Posts: 47
Registered: ‎07-21-2011
Location: Russia
0

Re: X220 CPU throttling problem

 

poynting,

 

throttling issue affect machines with i5-2520m or better

 

 

Punch Card
18bravo
Posts: 31
Registered: ‎08-04-2011
Location: Socialist State of California
0

Re: X220 CPU throttling problem

[ Edited ]
I'm running BIOS 1.19 and here's my WEI...my HD is the Intel SSD 160GB...might be worth trying the 1.19 BIOS...
ComponentDetailsSubscoreBase score
ProcessorIntel(R) Core(TM) i7-2620M CPU @ 2.70GHz7.1
4.6
Determined by lowest subscore
Memory (RAM)4.00 GB5.9
GraphicsIntel(R) HD Graphics Family4.6
Gaming graphics1696 MB Total available graphics memory6.2
Primary hard disk71.3GB Free (147GB Total)7.7
Windows 7 Professional



____________________________________________________________________________________________
X220/X301/T400s/T400/T60p/T61/T43/T43/T43/T42/T40 - Thanks to Lenovo, about to jump ship - Way to F it up Lenovo
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bender957
Posts: 47
Registered: ‎07-21-2011
Location: Russia
0

Re: X220 CPU throttling problem

 

18bravo, only 7.1 for i7?.. huh

 

i have 7.2 for i5-2520.. but my bios is 1.06 XD

 

also i have 6.4/6.4 for graphics ^___^

802.11n
RichardW
Posts: 256
Registered: ‎05-31-2011
Location: San Francisco
0

Re: X220 CPU throttling problem


bender957 wrote:

 

18bravo, only 7.1 for i7?.. huh

 



Other people are reporting processor score 7.1 for both i7 and i5. More results here:

http://forums.lenovo.com/t5/X-Series-ThinkPad-Laptops/What-graphics-performance-to-expect-from-i7-X2...

 

The memory scores from andryjohn and 18bravo (5.6 and 5.9) seem low. Everybody in the other thread reported mid to upper 7.x for RAM memory.

 

 

Punch Card
18bravo
Posts: 31
Registered: ‎08-04-2011
Location: Socialist State of California
0

Re: X220 CPU throttling problem

[ Edited ]

Yeah, unfortunately, I didn't run WEI before I installed everything but I'm not running anything too crazy. I run MSE for my AV/AMW as Comodo was really causing high drag on my system.

 

I think my RAM score is low because I have a single stick in my system...I noticed other people got low scores with one stick and 7.x with two sticks...

 

I was also wondering why my graphic scores have such a large delta...aren't they usually pretty close? I have the most up-to-date drivers (via Lenovo Update). Any settings I should be looking at?

 

As for i7 vs. i5, I remember when these first came out I saw that their Passmark scores were fairly similar but now the i7 is bit faster (more samples I suppose). I would have saved some money and bought the i5 instead but I really wanted USB3.0. Either way, I when I bought my X220, I got in a good coupon/discount and paid only a few bucks more then what an equally equipped i5 X220 sells for now even with the recent discount codes (and of course, the i5 doesn't have USB3.0).

____________________________________________________________________________________________
X220/X301/T400s/T400/T60p/T61/T43/T43/T43/T42/T40 - Thanks to Lenovo, about to jump ship - Way to F it up Lenovo