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-   -   Apogee vs Apogee GT (http://forums.procooling.com/vbb/showthread.php?t=13842)

bobkoure 01-23-2007 06:54 AM

Apogee vs Apogee GT
 
From the Swiftech description it looks like they're the same, except the GT includes an AM2 mounting plate.
Anyone know if that's actually the situation - or have they modified something else?
Thanks!

Captain Slug 01-23-2007 08:13 AM

Re: Apogee vs Apogee GT
 
Apogee on the left, Apogee GT on the right
http://resources.vr-zone.com/Shamino/swiftapo/13.jpg

BGP Spook 01-23-2007 10:27 AM

Re: Apogee vs Apogee GT
 
I did a very quick google and I didn't see any performance reviews to compare the two.

Anyone know of any reliable numbers for the GT version?

bobkoure 01-23-2007 11:31 AM

Re: Apogee vs Apogee GT
 
OK - so they're definitely different (d'oh! How'd I miss that one?)
I don't think that they'd have switched from the larger diamond pins to the smaller ones for manufacturing economy. They may have also switched to a thicker baseplate, as I recall some complaints re flexion in the pre-GT...

BGP Spook 01-23-2007 02:50 PM

Re: Apogee vs Apogee GT
 
The GT base does look a little thicker in the picture Captain Slug provided.

jaydee 01-23-2007 09:29 PM

Re: Apogee vs Apogee GT
 
Looks like the same course the CoolTechnica/AquaXtreme blocks were taking. Going with smaller and smaller pins. I doubt performance gain was anything substantial (depending on what you consider substantial). I don't think most test bed's error margins are tight enough to tell the difference.

mx 01-24-2007 02:55 AM

Re: Apogee vs Apogee GT
 
The number and height of the pins isn't the only difference.

There's a thicker o-ring included with the GT which makes the base bow like on the FuZion. Tests done so far indicate that a bowed base yields lower temps than a flat.

The thicker o-ring wasn't included with the early GTs. Contact Swiftech and they'll send one for free.

EDIT: Virtualrain over at XS compiled a list of all FuZion tests, link. FreeCableGuys test includes both Apogee and Apogee GT.

Hansfragger 01-24-2007 08:33 AM

Re: Apogee vs Apogee GT
 
I remember some people having issues with the pins bending and/or breaking(Apogee and MCW60 GPU block). Decreasing the pin's diameter would seem to be even riskier.

bobkoure 01-24-2007 07:22 PM

Re: Apogee vs Apogee GT
 
I've actually been thinking that the non-GT is more appropriate for my needs.
I'm about to build a couple of core 2 duo machines (yeah, I've gone over to the dark side - at least for now), and as I use weak-ass pumps (because they're almost-silent) I care about pressure drop at least as much as I do about a degree or two - but Swiftech's own charts show about the same temps between non-GT and GT.

ricecrispi 01-25-2007 04:38 PM

Re: Apogee vs Apogee GT
 
What bother me is from previous waterblock performance testing, wb performance gains are incremental and not large and competitive WB perform within that range of 2C. Suddenly we are seeing performances differences of 2, 4, 6 C and this bothers me and they isn't a consistent pattern.

One reason, with a unique a kentfield cpu and the two core package it's hard to compare

Two, most of these reviews are done by first time reviewers. I praise their effort but anyone who was done past reviews it takes time to get the magic down.

H20 Frag-monger reviews: heat die area is too large at 30x30mm.

Nikhsub reveiw: mounting temps vary too much.

CES event: we talked about that fiasco

VR-zone: Kentsfield testbed. # of mountings? Fan info cfm or rpms ? 91C load temps? I seen similar setups with aircoolers at 60 C...

Freecableguy: Kentsfield testbed. Probably the best overall review but i don't agree with his final DT and final load temps and heat dissipated from cpu.

BGP Spook 01-25-2007 11:03 PM

Re: Apogee vs Apogee GT
 
ricecrispi, I kind of said something to that effect in the XS thread linked by mx above.

Quote is by me in the XS thread, see link.
Quote:

The world would be a better place if more people understood statistics.

This is not a dig at the OP, I agree with him.

I don't think all of the reviews are complete in part because they haven't accounted for the mounting variations mentioned.

What is needed is at least 50 different tests each with the same blocks and different mounts. So the same 10 blocks with different reviews, for example, but each block is remounted five different times.

The aggregate data can then be analyzed and the spread can be computed.

Here is an old but fair example of testing methodology.
There is no doubt that since PC has declined the quality of data has as well.

As some of use may remember, it was the inability to come to a consensus on a way to maintain the standard of quality data that lead to PC's decline.

I am not going to bring up the old arguments.


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