P vs. T processors (same speed, same FSB, same cache, less power)

Question

Hi All,

I hope you can help clear up something that makes No sense to me.

When spec-ing a new Latitude (e.g. E5500) I notice I can choose between very similar processors:

e.g.:

Latitude E5500 - Intel® Core™ 2 Duo P9400(2.53GHz,1066MHz,6MB)

Latitude E5500 - Intel® Core™ 2 Duo T9500(2.53GHz,1066MHz,6MB)

Both have the same freq, FSB, cache etc.

I understand that the P processors use less power than the equiv T processor.

So do I get EVERYTHING a T9500 ofeers in a lower power P9400?

If so, why would I pay 40 euros LESS for a better processor?

If the T9500 does more, then what?

Thanks a million,

John

Message Edited by mucksavage on 08-18-2008 06:10 AM

hotrent1 · Answer

http://processorfinder.intel.com/details.aspx?sSpec=SLB4E http://processorfinder.intel.com/details.aspx?sSpec=SL3BX

mucksavage · Answer

So they're the EXACT same then?

(Except for power usage and package type)

Intel® CoreTM2 Duo Mobile Processor P9500

Processor Specifications:

Spec Number:SLB4E

CPU Speed:2.53 GHz
PCG:
Bus Speed:1066 MHz
Bus/Core Ratio:9.4
L2 Cache Size:6 MB
L2 Cache Speed:2.53 GHz

Package Type:Micro-FCPGA
Manufacturing Technology:45 nm
Core Stepping:C0
CPUID String:10676h
Thermal Design Power:25W
Thermal Specification:105°C
VID Voltage Range:1.050V-1.162V

Intel® CoreTM2 Duo Mobile Processor T9400

Processor Specifications:

Spec Number:SL3BX
CPU Speed:2.53 GHz
PCG:
Bus Speed:1066 MHz
Bus/Core Ratio:9.4
L2 Cache Size:6 MB
L2 Cache Speed:2.53 GHz

Package Type:Micro-FCBGA

Manufacturing Technology:45 nm
Core Stepping:C0
CPUID String:10676h
Thermal Design Power:35W
Thermal Specification:105°C
VID Voltage Range:1.050V-1.162V

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P vs. T processors (same speed, same FSB, same cache, less power)

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