Questions tagged [cpu-speed]

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187 votes
15 answers
55k views

Is the performance of a CPU affected as it ages? [closed]

This is a hypothetical question about how a CPU operates. If I purchase two identical CPUs, and use one long term (say one year), will it be identical in speed to the unused CPU? Will the number of ...
32 votes
7 answers
3k views

Why are modern CPUs "underclocked"?

I keep reading since years about magical overclockability of modern CPUs. It is said that CPUs (with open multiplier) which are shipped to customers with (let's say) preset 3GHz, can be overclocked "...
java.is.for.desktop's user avatar
7 votes
8 answers
45k views

CPU Speed stuck at 0.78 GHz, How do I increase it to its base speed of 2.30 GHz?

My 1yr old laptop, HP Pavilion 15 has it's CPU, Intel i5-8300H stuck at 0.78 GHz whenever it's plugged and charging, and the moment I remove the charger plug or switch it off, it increases suddenly ...
GeassDragon's user avatar
4 votes
4 answers
6k views

Multi-core CPU: can I say I have a 3x2.1GHz=6.3GHz CPU?

I have an AMD A6-3500 three-core CPU. AMD System Monitor shows each core with a maximum 2100 MHz. This also shows in AMD OverDrive. Does this processor run at the speed 3*2100 MHz? Edit Can I say ...
Sourav's user avatar
  • 657
100 votes
11 answers
84k views

What's the difference between mobile and desktop processors?

I just read about the new Samsung Galaxy Note Edge having a 2.7 GHz quad-core processor and 3GB of RAM. The laptop I bought last year by HP is 4 GB of RAM and 2.3 GHz quad-core and my ...
DonnellyOverflow's user avatar
36 votes
7 answers
16k views

Has CPU speed already broken Moore's law?

I remember sometime around 1995 having a computer with CPU speed of 75 MHz. Then a couple of years later around 1997 having one that was 211 MHz. Then a few years later around 2000 having one that ...
JD Isaacks's user avatar
  • 8,484
4 votes
3 answers
5k views

Processor always at max speed

I am running Windows 8 Pro on an Apple MacBook Pro 9,1 Mid 2012 15 inch non retina. It has a Core i7-3720 QM CPU @ 2.6 GHz. For the past few days, I have noticed that it is constantly running at max ...
pratnala's user avatar
  • 2,036
2 votes
2 answers
563 views

Clock Speed and other factors

I hear almost everywhere that CPU clock speed is not the only factor that defines the true speed of a CPU. Well. What are the other factors then? In which case a processor clocked at 1.6 Ghz is faster ...
enon's user avatar
  • 622
7 votes
3 answers
8k views

Hidden differences between system power plans in Windows?

I was wondering if—aside from the settings listed in the Change advance power settings—do the pre-made power plans change any other hidden settings like throttling, CPU clock speed, etc? For example, ...
user avatar
6 votes
6 answers
14k views

Can keeping my CPU speed at "high performance/turbo" all the time decrease its lifespan?

Can keeping my CPU speed at “high performance/turbo” all the time decrease its lifespan? And if so, what would be its expected route of failure if it does happen?
InquilineKea's user avatar
  • 1,266
6 votes
8 answers
44k views

Cpu running half speed

While playing a game few hours ago I noticed my computer suddenly became incredibly slow. The windows task manager showed that the cpu was using half its capabilities. I have been playing this game ...
Mouloud85's user avatar
  • 161
1 vote
1 answer
2k views

Verify logic: low base clock speed - CPU boosting = CPU Longevity?

Can Someone verify my logic here. Planning on buying a new laptop in the coming weeks - and expensive one, hoping it will last a long time. I'm planning on buying low base frequency CPU 1.8 - 2 GHz ...
user645202's user avatar
0 votes
3 answers
4k views

CPU giving 1/3 performance compared to same CPUs

I have a laptop Dell D820 with Intel Core Duo T2500 @ 2.00 GHz, more than four years old, still in good condition. When I benchmarked the CPU using the PerformanceTest 7.0 from http://www....
dwich's user avatar
  • 146