X2 3800+ @ 2.5GHz Vs. C2D E6400 @ ?unknown?

bigpow

Platinum Member
Dec 10, 2000
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so my mobo died (well, sort of), I was thinking to buy a used mobo and then it hit me...
maybe I should just sell my X2 box and build a new C2D box...

Is C2D really that much better than X2?
Cost wise, I'll probably spend $250ish (after selling X2 CPU, mobo (post-RMA) & RAM)
I just checked ebay and amazed that these 2GB DDR500 are still selling above $200 (so, I could just sell mine and get the DDR2-800 at no cost)

I still don't know how lucky I'll get (usually not lucky at O/C, i.e. only 2.5GHz with 3800+, only 2GHz w/ 3200+, etc etc);

so that $250 will be getting me at least 500MHz more (assuming my E6400 only goes up to 3GHz)
... and a few days of fun (I really enjoy building computers, more than playing on my Xbox 360, believe it or not!)


What do you think?
Anybody did it?
 

RaptureMe

Senior member
Jan 18, 2007
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I would just keep what you have now there is going to be a big change for both amd and intel.
Might as well wait a few more months and get a cheepie quadcore.
Or a 1333FSB Dualcore.
Dont waist your time or money upgrading to something thats only going to give you a 5-10% perfomance increase.
when you could just hold off for a couple more months and get an upgrade that will be closer to 30-50% increase.
If you fried your mobo then just spend the 50 bucks or so and get your self a cheap replacement to hold off till the good stuff hits the shelves..
 

Brunnis

Senior member
Nov 15, 2004
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Originally posted by: RaptureMe
Dont waist your time or money upgrading to something thats only going to give you a 5-10% perfomance increase.
when you could just hold off for a couple more months and get an upgrade that will be closer to 30-50% increase.
The scenario he describes (2.5GHz X2 versus 3GHz C2D) is more like a 40-50% increase in CPU performance. I'd go for it. In fact, that's pretty much what I actually did. I went from a 3800+ @ 2.2GHz to an E6600 @ 3GHz. The difference in CPU intensive tasks is very noticeable.
 

nyker96

Diamond Member
Apr 19, 2005
5,630
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I think a 3Ghz C2D is about 20% faster on 80% of apps. So that's like a 3.6 X2 I beileve if you use say video compression/compression/programming/games etc, you'll see a large difference. However if you got a lousy g-card and is doing this just to play games, I think you'd see much bigger diff with a 250 dollar g-card update say to a 8800 320MB ?
 

BitByBit

Senior member
Jan 2, 2005
474
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81
You could always pop in a Brisbane as a stop gap until Barcelona (you're using AM2, right?). The newest batch of Brisbanes are clocking quite well.
 

swtethan

Diamond Member
Aug 5, 2005
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x2 5000+ (2.6) is about equal to e6400 (2.13) but in most tests, e6400 comes out on top, only by a little.



 

bigpow

Platinum Member
Dec 10, 2000
2,372
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More information;

Currently:
Athlon64 X2 3800+ (s939) @2.5GHz - 10x250
OCZ 2x1GB DDR500 (1:1)
MSI Neo4 SLI (P.O.S - always been an Asus fan, only skimp this once and bought an MSI - got what I deserved)
XFX 7800GT
Scythe Ninja plus

Planned:
Intel C2D E6400
OCZC 2x1GB DDR2-800
Asus P5N
(keep 7800GT, Ninja HSF, & everything else)
 

BitByBit

Senior member
Jan 2, 2005
474
2
81
If you're going down the C2D route, you should wait for the April price cuts before buying. Plus, the 6300 and 6400 models will be replaced by 4MB parts.