[CentOS] OT: AMD CPU actual speed....
John Summerfield
debian at herakles.homelinux.org
Sat Apr 14 00:19:56 UTC 2007
Jay Leafey wrote:
> Mark Hull-Richter wrote:
>> I know this is a bit OT, but the subject of CPU speed came up here and
>> I was (and have been for some time) curious:
>>
>> What is the actual speed of an AMD CPU? E.g., I have a Athlon 64 X2
>> "4200+" but my /proc/cpuinfo shows 1005.164 MHz for the two cores.
>>
>> What do those mean? Is there a reference for this (huge) discrepancy?
>>
>> Also, is there a way (and what) to tell what the actuall running speed
>> of memory is?
>>
>> Thanks.
>>
>
> Well, now, that's just weird! Here's the contents of /proc/cpuinfo on
> my Dell E521 with the same processor:
>
> processor : 0
> vendor_id : AuthenticAMD
> cpu family : 15
> model : 75
> model name : AMD Athlon(tm) 64 X2 Dual Core Processor 4200+
> stepping : 2
> cpu MHz : 2205.548
> cache size : 512 KB
> physical id : 0
> siblings : 2
> core id : 0
> cpu cores : 2
> fdiv_bug : no
> hlt_bug : no
> f00f_bug : no
> coma_bug : no
> fpu : yes
> fpu_exception : yes
> cpuid level : 1
> wp : yes
> flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
> mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext lm
> 3dnowext 3dnow pni
> bogomips : 4412.52
>
> (second core info snipped)
>
> You'll note that mine indicates 2205.548 MHz.
Don't worry about it, I've had my 1.5Ghz laptop switch up and down, as
low as 233 or so.
--
Cheers
John
-- spambait
1aaaaaaa at coco.merseine.nu Z1aaaaaaa at coco.merseine.nu
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