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i845G, i845PE, SiS648, Granite Bay, i850E?

F

fumbduck

Diamond Member
I am building a new computer and have the following parts at my disposal, but cannot come to a conclusion on a motherboard:


Main Components:
P4 2.8 533FSB
Radeon 9700 pro 8X AG

Secondary:
2x 256 PC800, would like to sell for PC1066, or DDR400.


Those are the only components that matter.

In many of the reviews I have read, PC1066 with i850E which only has AGP4x outperforms all of the P4 DDR Mobos right now, but Im not sure about the future, or about 8X agp.
As for the DDR333 Chipsets, there is I845G, I845PE, and SiS648, the sis offers 8xAGP, but im not sure about the difference in the others.
I read some reviews and the i845G supposedly comes close to comparison with PC1066 and i850E, but what about the i845PE, or the Sis648?
I cannot find a review comparing and benchmarking all of these together.

Moving on to granite bay: Anandtechs review stats the board should be out by as early as next week. This chipset looks sorta promising, but i really need some more information to make a decision, and wouldnt PC1066 still be faster since the Granitebay chipset only allows a max of PC2100, just dual channeled for bandwidth.


PLEASE ANY HELP!
 
From the components you have, seem to be a power user. Proposed system:

Gigabyte 8INXP motherboard
P4 2.8 533FSB (already have)
Radeon 9700 pro 8X AG (already have)
Two 512MB OCZ PC3500 Enhanced Latency (EL) SDRAM memory modules
Turtle Beach Santa Cruz Sound Card

Because 8INXP has a 1:1 Memory_Speed/FSB ratio it is capable of Dual DDR400 (and a little faster) - this would be more useful for a future upgrade to a Intel Prescott 800MHz QDR FSB processor though.

wouldnt PC1066 still be faster since the Granitebay chipset only allows a max of PC2100, just dual channeled for bandwidth
Click to expand...
In some tests, 1066MHz RDRAM is a little faster, but hey, with the Gigabyte 8INXP just increase the FSB in the bios a little and now your outperforming 1066MHz RDRAM - whole process takes about 30 seconds. And you havent sacraficed your upgradability. And when you start talking about overclocking, a 8INXP system is much better than any RDRAM system. 😉
 
Originally posted by: fumbduck


Moving on to granite bay: Anandtechs review stats the board should be out by as early as next week. This chipset looks sorta promising, but i really need some more information to make a decision, and wouldnt PC1066 still be faster since the Granitebay chipset only allows a max of PC2100, just dual channeled for bandwidth.


PLEASE ANY HELP!
Click to expand...

Nope, at stock 533FSB, Granite Bay is dead even with PC1066, but if you plan on overclocking, Granite Bay smacks PC1066. AGP 8X is a non-issue. Personally, I'm extremely happy with my Asus P4B533-V, which runs my P4 1.8A@2.7GHz/DDR400 quite happily 🙂
 
Boycott RAMBUST. 🙂

Wait for GB to arrive, and enjoy dual channel DDR and a lot of o/c'ing potential.
 
another major issue is purchasing ram, and about that OCZ ram, i remember some very bad things about them, anyone else?
 
If you don't plan on ocing that 2.8ghz chip then yes you will be maxed at pc2100....As far as we have seen with reviews 1:1 ratio is all that is given and that is becuase at 533fsb 2xpc2100 is 4.2gb/s and that is th max potential of a 533fsb p4...So right now synch makes sense as it is a perfect match...so to speak....


That 2.8ghz chip has a 21x multiplier so unlikley you will get much past 150 at default vcore but that would be dual 300mhz ddr or dual pc2400 for better then rdram pc1066...
 
If you want to wait for the granite bay chipset, then that is what you should do. It is fast and stable. I have a feeling it will be a little pricey right after it's introduction though. If you cannot wait, the i845PE chipset is probably the way to go. The i850E does offer slightly better performance in very memory intensive applications. However, the cost doesn't justify the increases in applications that you probably don't even use. I like ASUS's 845PE board if you need the features. If you're a little more cost-concious and don't need all the ASUS features, then the Albatron board isn't half bad.
 
that ram is darn expensive, like 230$ a piece, i was lucky enough to strike a deal on these parts i have already, but 2x256 might be more realistic. thanks a lot for all of your help halkebaul, much appreciated.
 
I understand. If you can't wait, just get yourself an i850E motherboard and use your current PC800 or sell it and go with the i845PE chipset.
 
anyone know exact dates? i mean of Gigabyte and ASus have already sent motherboards to tomshardware and anandtech like 3 weeks ago, why does it takes 2 months for me to get mine?
 
yikes! i read that these boards are going for 250 at launch, crazy high!

I guess i will just got with an i845pe till price drops, thats crazy high cost! man!

any input?
 
What apps?

Here's some generalizations:

1. 850E remains the "performance crown" IMHO (e7205 wins some, but not enough for my taste)
2. E7205 is slightly cheaper than 850e+PC1066/RIMM4200 (when you take into account RAM, the price balances out. $75 for 256MB PC2100, close to $150 for 256MB of PC1066/RIMM4200), and I would take it over 850e if buying that price.
3. In most apps, 845PE/SiS 648 are within 5-7% of E7205 and 850e.

Personally, unless you are doing apps where there is a considerable advantage for 850e/E7205 (which is primarilly 3D Pro Workstation apps), I find the cost of both not worth it.

Don't worry about AGP8X, we don't use AGP4x enough. I'd lean towards 845PE over 648 (head stability issues with 648, although, they may not be as bad as some say)
 
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