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Questions tagged [cpu-z]

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9 votes
2 answers
47k views

Memory timings in CPU-Z : Memory and SPD tab discrepancy - What do they mean?

When I run CPU-Z in my netbook, in the memory tab, the timings displayed are 5-5-5-15, but in the SPD tab, the timings are 5-5-5-18 (JEDEC #3). What do the differences in the timings between the tabs ...
galacticninja's user avatar
9 votes
3 answers
81k views

Blank memory slot information in CPU-Z?

My ASUS laptop came with one 4GB memory stick and I recently added another 4GB to speed things up. There's no problem and everything works fine. Now, I installed CPU-Z to check about my memory, but ...
Mahm00d's user avatar
  • 335
6 votes
3 answers
10k views

Windows 8 Task Manager not reporting actual CPU frequency

Task manager reports 2.53 GHz, but CPU-Z reports 1192 MHz. My windows is a fresh install of the Windows 8 Pro Upgrade. When I used the Consumer Preview, task manager would report different ...
user avatar
4 votes
1 answer
3k views

Why and how is my memory running in dual-channel mode?

Some time ago I built a PC with 8 GB RAM (DDR4 2666MHz DIMMs) since I did not have enough money to go for a 16 GB kit. Later, I realized 8 GB was holding me back from doing a couple of things and ...
icysuspect's user avatar
3 votes
1 answer
13k views

DRAM Frequency showing 800 instead of 1600

I am running a Core i7 CPU originally at 3Ghz overclocked to 4Ghz using a multiplier of x20 and a Bus Speed of 200 Mhz My memory is 1600 Mhz OCZ. I installed CPU-Z to see what is going on - but it ...
SQRCAT's user avatar
  • 657
3 votes
3 answers
1k views

Two different core speeds are shown on two different OS by CPU-Z

I installed CPUID CPU-Z in my laptop to review the features of my processor. In Windows XP it shows me the right core speed, Clock speed- 133MHz Multiplier- 14 Core speed = 133*14 =...
Debabratta Jena's user avatar
3 votes
2 answers
527 views

CPU not utilising all cores

Task manager and CPU-Z show that my Intel Core i3-4150 only has one core and two threads. When it should be two and four. The only program I have used that might have impacted this is VirtualBox (I ...
Maurie's user avatar
  • 27
2 votes
2 answers
778 views

CPU-Z and Speccy report unexpected RAM speed

For reference, this is the RAM that I have installed: http://www.newegg.com/Product/Product.aspx?Item=N82E16820231449 Both that page as well as the RAM stick itself say PC3 17000. However, when I ...
vertigoelectric's user avatar
1 vote
1 answer
2k views

Notification every boot saying "This app is no longer available."

Every login I get this message: After a search, it's due to a recent Windows 10 upgrade. The Application Compatibility Manager no longer approves CPU-Z and uninstalled it. Unfortunately I now get ...
Iain's user avatar
  • 4,768
1 vote
1 answer
1k views

CPU and motherboard compatibility

I used CPU-Z to identify my socket and it said 479 mPGA. Also got chipset information and used intel site to check out compatible processors. Turns out a lot of processors were compatible with the ...
L_static's user avatar
1 vote
1 answer
2k views

My CPU memory speed reduces to 2400 when adding another module of 2666

I already have a RAM module which came with the actual laptop. This was an 8GB module with clock speed of 2666. I purchased one more of the same speed and capacit. This runs in dual channel mode but ...
RCInd's user avatar
  • 113
1 vote
2 answers
255 views

Why did formatting win 7 computers to windows 10 double their cpu-z bench score?

So I work at a company as an IT guy while I am doing my computer engineering degree. Doing hardware and software maintenance of computers is part of my job. I have had a weird experience with two of ...
Michael's user avatar
  • 113
0 votes
1 answer
905 views

The memory section in the graphics tab in CPU-Z is grayed out

I wanted to figure out how much VRAM my system had but I was unable to because in CPU-Z, the Memory section in the Graphics tab is grayed out. I don't exactly know why but if anyone can tell me ...
Jacob Mohamed's user avatar
0 votes
3 answers
3k views

My processor speed drops to 800 Mhz when my Lenovo Thinkpad W541 is plugged into the OEM cable

I have a Lenovo Thinkpad W541 (Windows 10). The processor is i7 4810MQ. My power settings are "high performance", with max processor speed at 100%. Always worked well in the past 4 years. ...
Millemila's user avatar
  • 319
0 votes
1 answer
2k views

Unequal size dual channel ram, and lower-than-expected frequency

I'm updating a Dell Inspiron N5030, and stumbled upon an odd situation. The laptop has 1 GB and 2 GB of DDR3 ram installed for a total of 3 GB, Dual Channel. This is reported by both CPU-Z ("DC mode: ...
Jostikas's user avatar
  • 113

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