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new socket 754 semprons?

T

thelawnet

Member
I'm looking at AMD's new price list http://www.amd.com/us-en/Corporate/VirtualPressRoom/0,,51_104_609,00.html, and I'm wondering about the socket 754 semprons listed, in particular the 2600+, 2800+ and 3000+. Are these bartons on socket 754? Or just very low clocked Athlon 64 core processors? The prices ae actually less than the socket a tech

Sempron 2600+ on A64 tech would presumably run at a very low speed, 1.4-1.5Ghz and have a lot of overclocking potential.

But please I would appreciate any further feedback from those more knowledgable.
 
Ok, so I found the specs:

Sempron 2600+ skt 754 1.6GHz 128KB l2 cache @ $78
Sempron 2800+ skt 754 1.6GHz 256KB l2 cache @ $88
Sempron 3000+ skt 754 1.8GHz 128KB l2 cache @ $101
Sempron 3100+ (existing product) skt 754 1.8GHz 256KB l2 cache @ $114

Sempron 3300+ will presumably be 2.0GHz and 256KB cache

the cheapest A64 is $122.

A 2400+ mobile barton is either $76 (Desktop replacement) or $81 (normal notebook). So which would give better oc'ed performance? 2400+ barton or 2600 (or better yet the 2800+ with decent cache!)?

I wonder how these new $78 s754 chips will fare, against cheaper socket A semprons, and cheaper socket A motherboards.
 
The Sempron 2800+ looks like a winner with 256kb cache for $88

Are they saving that this performs on par with a A64 2800+ though ?
 
All Sempron PR printed markings on for comparison with Celeron D spec(prescott) based processors. Not to compare it to its own older brother.
 
The Sempron 2800+ looks like a winner with 256kb cache for $88

Are they saving that this performs on par with a A64 2800+ though ?
Click to expand...

It won't of course. The Sempron perfomance rating is pretty confusing when ratings mean different things for different products, but roughly speaking take 200 or 300 off to get the Athlon equivalent.

I don't think cache is hugely important for the A64, but here's where all the socket 754 processors will fit in

200MHz fsb
sempron 2600+ 8x multiplier, 128kb cache
sempron 2800+ 8x multiplier, 256kb cache
sempron 3000+ 9x multiplier, 128kb cache
sempron 3100+ 9x multiplier, 256kb cache

the a64 2800+ is either 8x multiplier & 512kb cache, or 9x multiplier & 256kb cache (exactly as the sempron 3100+)

so
sempron 3100+ = a64 2800+
sempron 3000+ = a64 2700+ (maybe a little less)
sempron 2800+ = a64 2500+
sempron 2600+ = a64 2350+

I'm not sure how badly 128kb cache will cripple the processors, but the 2800+ should do 8x about 250MHz if you are lucky, so it's clocking at 2GHz, for roughly Athlon 64 3000+ performance, but for $88 rather than $149.

Not a bad deal, but motherboard prices need to fall further.
 
Originally posted by: thelawnet
The Sempron 2800+ looks like a winner with 256kb cache for $88

Are they saving that this performs on par with a A64 2800+ though ?
Click to expand...

It won't of course. The Sempron perfomance rating is pretty confusing when ratings mean different things for different products, but roughly speaking take 200 or 300 off to get the Athlon equivalent.

I don't think cache is hugely important for the A64, but here's where all the socket 754 processors will fit in

200MHz fsb
sempron 2600+ 8x multiplier, 128kb cache
sempron 2800+ 8x multiplier, 256kb cache
sempron 3000+ 9x multiplier, 128kb cache
sempron 3100+ 9x multiplier, 256kb cache

the a64 2800+ is either 8x multiplier & 512kb cache, or 9x multiplier & 256kb cache (exactly as the sempron 3100+)

so
sempron 3100+ = a64 2800+
sempron 3000+ = a64 2700+ (maybe a little less)
sempron 2800+ = a64 2500+
sempron 2600+ = a64 2350+

I'm not sure how badly 128kb cache will cripple the processors, but the 2800+ should do 8x about 250MHz if you are lucky, so it's clocking at 2GHz, for roughly Athlon 64 3000+ performance, but for $88 rather than $149.

Not a bad deal, but motherboard prices need to fall further.
Click to expand...

You're wrong on this count,the A64 2800+ has a 9X multiplier with 512k cache and runs at 1800mhz.
 
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