Overclocked Sempron setup!!!

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Blinkme323

Senior member
Feb 4, 2005
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Hi guys I am looking for a cpu/mobo combo for under $150. I want to buy new too. I can get a very budger SIS 775 and A64 2800 that doesn't overclock for $147. Or I can get a Sempron which I am amazed by. Overclocked to around 2.4ghx on 1.5volts, it kills most processors. Check out this link.
http://www.xbitlabs.com/articles/cpu/display/sempron-2600_9.html

I can get a 2600 for about $80 this mobo for $75. What do you think:
http://www.newegg.com/app/ViewProductDesc.asp?description=13-123-219&depa=1

Set the HTT to 300 and ram ratio at around 210 for my pc3200 and BAM 2.4ghz.
 
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Blinkme323

Senior member
Feb 4, 2005
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They said 2.4 on 1.5v and 2.5 on 1.65v. At 2.5 it consistently beats A64 3400's and P4 EE's. That is with stock heatsink too. I think the reason is the less cache. It lets it overclock a lot more, and it only affects performance by about 5-10% tops as shown in the benchmarks.
 
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Budman

Lifer
Oct 9, 1999
10,980
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Originally posted by: Blinkme323
They said 2.4 on 1.5v and 2.5 on 1.65v. At 2.5 it consistently beats A64 3400's and P4 EE's. That is with stock heatsink too. I think the reason is the less cache. It lets it overclock a lot more, and it only affects performance by about 5-10% tops as shown in the benchmarks.
Click to expand...

what they said & what you'll get are 2 totaly different things. ;)
 
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Budman

Lifer
Oct 9, 1999
10,980
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Originally posted by: ribbon13
Originally posted by: cyberknight
I don't think the 3100 is 90nm. the 2600, 2800, and 3000 are 90nm.
Click to expand...

Try again. SDA3100BABOX
Click to expand...

Good find it looks like those are the new 3100's if you go by these codes...


Decifering the OPN Code

Example: SDA2600AIO2BA

The first 3 Digits of the OPN Denote what applications the CHip is intended for
S = Sempron
D = Desktop Chip M= Mobile Processor
A = Standard Wattage Rating (62watts) S = Low Power(25 watts)

The 4 didgit number is the PR Rating.

Chip Codes:
A = 754 Lidded Processor Retail Pack B = No IHS, Bulk Pack OEM(Need to Confirm this)
I = 1.4v O = 1.25v
O = 69c Rating X = 95c rating P= 70c Rating
2 = 128k L2 Cache 3 = 256k L2 Cache
BA = COre Stepping D0 (These are 90nm SOI Process CHips) AX = CG Stepping (Older 130nm Process) LB = D0 Stepping Mobile (WIth NX Bit-On-Die Virus Protection)
 
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Blinkme323

Senior member
Feb 4, 2005
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So, what do you think of the 2600 which is mentioned in the article. Do you think I will be able to hit 2.4.
 
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Budman

Lifer
Oct 9, 1999
10,980
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Originally posted by: Blinkme323
So, what do you think of the 2600 which is mentioned in the article. Do you think I will be able to hit 2.4.
Click to expand...

you'll need a motherboard that can reach 300fsb reliably.
 
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Blinkme323

Senior member
Feb 4, 2005
431
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Will that epox get me there. What is the best motherboard for under $75. Also, prices should drop in 4 days when venice comes out right.
 
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Budman

Lifer
Oct 9, 1999
10,980
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just read the thread i linked to in my first post.

You'll need a DFI lanparty for high fsb.
 
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Blinkme323

Senior member
Feb 4, 2005
431
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ThE MSI I lionked to goes up to 300 from what I read and is $40 cheaper. Of course, I would get the DFI if I had the money. Do you think the MSI will be sufficient. Also, are the s754 Semprons any better than the Socket A's. Any difference in overclcoking.
 
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Duvie

Elite Member
Feb 5, 2001
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Yeah my mSI neo2 goes up to 400HTT in the bios doesn't mean it will....The highest HTT that can be stable apperas to be 335HTT...mine is a sckt 939 mobo though....

The problem is if you need to buy the more expensive enthusiast type mobo you are sorta losing that savings are you not??? see how it all balances out after the added mobo cost. There are some cheap sckt 754 cpu/mobo combos that can be had as well that can oc up to 2.4-2.5ghz as well but that will best the sempron still...


The semprons lose out to many of the sckt 939/sckt 939 clawhammers...

1) they have less L2 cache
2) they are single channel memory controllers only

ONce the venices arrive you can add no SSE3 to that as well.....


I agree the sempron 754 is a heck of a bargain, and if you can get it up past 2.4ghz it will be a rocket and equal or better then a 2.2ghz 3500+ winnie.....
 
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Blinkme323

Senior member
Feb 4, 2005
431
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Ok, I have looked at so many different combos and setups and stuff and it is just making my decision harder. What is the best performing new cpu/mobo combo that can be had for under $150. I don't care one bit about future upgradeability. In 2 years, I will buy a newer better motherboard anyway. In fact, socket a would even be fine for me. I was looking at the Sempron 2600/MSI Neo for $145 shipped or the A64 2800/ECS SIS755 for $145 shipped. What do you guys think, it doesn't have to be one of those. I have jumped around so much: From Celeron M, Athlon Mobile, Sempron, A64. Just help me decide on the best gaming combo for under $150. Thank you.
 
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Duvie

Elite Member
Feb 5, 2001
16,215
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71
If that is the best you have found then I would say the sempron cause I hate SIS boards and I bet they wont OC far either.....

Under 150 I think it is the best...sempron that is....
 
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Blinkme323

Senior member
Feb 4, 2005
431
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76
Yup, the SIS has no AGP lock :( so it can't overclock. There is nothing better than the Sempron, what about a Celeron D or Karaktu's Celeron M 3.2ghz setup for $140. Will the Sempron with only 128 cache really perform as well as it did in the XBIT labs test.
 
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Duvie

Elite Member
Feb 5, 2001
16,215
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71
Do you have benches to see how the celery at that speed does??? I would imagine a sempron at 2.4ghz can give a 3.2 to 3.4ghz P4 a run but I know a 3.2ghz celery is not even near a 3.2ghz p4 for performance...

I think the sempron would be better for gaming and most everything else....But if someone has a review we could compare...
 
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Blinkme323

Senior member
Feb 4, 2005
431
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A Celeron D @ 3.6 gets beat by the Sempron @ 2.5 in XBIT's test at pretty much everything. I just have a hard time believing a cheap 2600 Sempron with 128k cache will perform good. I have an Athlon 1700@2000 which I loved that can run CSS on high. I am obviously way overdue for an upgrade though. I got a P4 2.8/533 with 1mb cache and a SIS661 motherbaord from work. It sucked and performed worse than my Athlon. I sold it for $145 which gives me my current budget. The Sempron has worse specs than the P4 and I am afraid it wil not perform that great.
 
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Fozzie

Senior member
Oct 9, 1999
512
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I'm in the same boat as you regarding planning on buying a nforce 250 based MB and a sempron 2800. I figure I should be able to get the clock to 250 on the Asus K8N. If I get more fine, but 2.0-2.2Ghz I'll be happy for the price.

I was seriously looking at the Celeron D's but they do not seem to perform nearly as well even when overclocked, or they are so close as to not be an issue.. Even with tasks like video encoding.

Try:

http://www.newegg.com/Product/Product.asp?Item=13-123-219&depa=1

+

2800 or 3100



 
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StormRider

Diamond Member
Mar 12, 2000
8,324
2
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I'm looking to do the same thing but I have PC2100 memory. How much of a performance penalty will I see if I use PC2100 memory with a 90nm Sempron on a Socket 754 board?
 
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