Athlon XP CPU with 133 mghz bus?

The 133MHz bus AMD CPU only up to Athlon XP 2400+ and 2600+ @2.13GHz while 2600+ @2.08GHz, 2700+, 2800+ (i.e. ThouroughBred-B core), 2500+, 2800+ and 3000+ (i.e. Barton core) are running on 166MHz bus.

My PC has gone to hell... because it's a killing machine...

Nope, the 2400+ and 2600+ @2.13GHz are both ThoroughBred B core but they are running at 133MHz bus.

My PC has gone to hell... because it's a killing machine...

Hello folks.

Below is a chart (of various Athlon XP CPU models) which I found at this website.

Assuming that these Athlon XP CPU's are used in a non-overclocked PC, with a very stable motherboard with the most sufficient corresponding Ram, (PC2100--DDR266, PC2700--DDR333, etc.)...

Can someone give me some "real world" perspective on how much difference in speed and performance one will see between these different CPU speeds and CPU bus speeds?

Where are the "significant" leaps in speed and performance?

Thanks much!
DuckTape


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http://www6.tomshardware.com/cpu/2 [...] on-09.html


Processor (Palomino) FSB frequency Clock frequency Model Number
AMD Athlon XP 1500+ 133 MHz 1333 MHz 1500
AMD Athlon XP 1600+ 133 MHz 1400 MHz 1600
AMD Athlon XP 1700+ 133 MHz 1467 MHz 1700
AMD Athlon XP 1800+ 133 MHz 1533 MHz 1800
AMD Athlon XP 1900+ 133 MHz 1600 MHz 1900
AMD Athlon XP 2000+ 133 MHz 1667 MHz 2000
AMD Athlon XP 2100+ 133 MHz 1733 MHz 2100

Processor (Thoroughbred "A" ) FSB frequency Clock frequency Model Number
AMD Athlon XP 1700+ 133 MHz 1466 MHz 1700
AMD Athlon XP 1800+ 133 MHz 1533 MHz 1800
AMD Athlon XP 1900+ 133 MHz 1600 MHz 1900
AMD Athlon XP 2000+ 133 MHz 1666 MHz 2000
AMD Athlon XP 2100+ 133 MHz 1733 MHz 2100
AMD Athlon XP 2200+ 133 MHz 1800 MHz 2200

Processor (Thoroughbred "B" ) FSB frequency Clock frequency Model Number
AMD Athlon XP 1700+ 133 MHz 1467 MHz 1700
AMD Athlon XP 1800+ 133 MHz 1533 MHz 1800
AMD Athlon XP 1900+ 133 MHz 1600 MHz 1900
AMD Athlon XP 2000+ 133 MHz 1667 MHz 2000
AMD Athlon XP 2100+ 133 MHz 1733 MHz 2100
AMD Athlon XP 2200+ 133 MHz 1800 MHz 2200
AMD Athlon XP 2400+ 133 MHz 2000 MHz 2400
AMD Athlon XP 2600+ 133 MHz 2133 MHz 2600
AMD Athlon XP 2800+ 166 MHz 2166 MHz 2800

Processor (Barton) FSB frequency Clock frequency Model Number
AMD Athlon XP 2500+ 166 MHz 1833 MHz 2500
AMD Athlon XP 2800+ 166 MHz 2083 MHz 2800
AMD Athlon XP 3000+ 166 MHz 2166 MHz 3000
AMD Athlon XP 3200+ 166 MHz 2xxx MHz 3200

Thanks for your reply, LHGPooBaa.

<< a gradual performance increase as you go up the scale of course... with a significant jump when you get the 166fsb processors instead of the 133 ones. barton another jump, but not as great >>

Okay, so there would be a significant "real world" increase...

from...

Athlon XP 2600+ (Thoroughbred-B: 133 MHz FSB, 2.133 GHz speed)

to...

Athlon XP 2800+ (Thoroughbred-B: 166 MHz FSB, 2.166 GHz speed)


Correct?


Can you tell me how the following stack up against each other? (rankings and significant "real world" increases in speed and performance)

Athlon XP 2800+ (Thoroughbred-B: 166 MHz FSB, 2.166 GHz speed)

Athlon XP 2500+ (Barton: 166 MHz FSB, 1.833 GHz speed)

Athlon XP 2800+ (Barton: 166 MHz FSB, 2.083 GHz speed)

Athlon XP 3000+ (Barton: 166 MHz FSB, 2.166 GHz speed)


Many thanks!
DuckTape

yes and no. It entirely depends on the application.

The more bandwidth sensitive it is the better the performance jump when going up to 166fsb processors.

ditto with the others.
bartie 3000+ is generally better than the tbred 2800+, but bartie 2800+ is occasionally not.

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yep, but you must first know the multiplier no. of the CPU then you can calculate the clock frequency e.g. my 2600+ has multiplier no. of 12.5 and it is running at 166MHz FSB so I got 12.5*166=2075MHz but remember this only gives you an idea that the closest frequency as it may not be the accurate no. (My 2600+ is actually running at 2079.3MHz)

My PC has gone to hell... because it's a killing machine...