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Old November 1, 2007, 01:51 AM
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Default Review: XFX 8800 GT 512mb Alpha Dog

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3) Seems this card really scales in accordance to your cpu as shown by the pics below. Going from 2.4ghz to 3.1ghz make a 3,000 point leap in 3dmark06 and the video card hasn't even been touched.

4) Video card can have a tendency to let out a bit of a high pitched whine during certain loading scenes, reports indicate maybe due to vsync and the card hitting 999 FPS and taxing the card.

5) I'm currently overclocking the GPU and the core right now is at 730 with no artifacts reported by ATI Tool while fan speed is 60% and the card is 78 degrees under full load.
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6) This card seems to have a very odd clock when it comes to overclocking and may have a "dead zone"
729 -> 732 = 729
733 -> 735 = 734
735 = 756

@ 756 ATI Tool is reporting no Artifacts and its 75 degrees underload

So at this point GPU-Z reports 750mhz and rivatuner shows 756mhz and neither will go higher in their readings. I'll be switching to ntune to see if that changes anything.

[ BENCHMARKS ]

World In Conflict (Note: I don't have photoshop installed at the minute so no graphing of this)
1280x1024 ; Various Settings ; In Game Benchmark

Very Low
Average: 74 ; Minimum: 74 ; Maximum: 76

Medium
Average: 55 ; Minimum: 36 ; Maximum: 76

High
Average: 41 ; Minimum: 27 ; Maximum: 75

Very High
Average: 38 ; Minimum: 19 ; Maximum 75

Custom (Every possible setting maxed for a DX9 System)
Average: 38 ; Minimum: 17 ; Maximum 74

So you can see that if you run the game on "Low" you'll get the best scores but in regards to the rest of the settings for this card and my cpu setup "Medium" would yield the best, but "High" would make it look nicer.

Crysis Benchmark
1280x1024 ; 8x AA ; High
The game thats to put anything on the current market to shame and make you wish you could afford that quad SLI setup from nvidia. But I have to say that after playing around with this card I was throughly surprised at how high the framerates were and how well it still played without any hiccups.

I loaded up Crysis with the settings on Med and tried between 4x and 8x AA and didn't notice any drop in frames and then loaded the game up in high but came upon a interesting scenario that may have to do with DX9; Object Models were only set to Medium not High. Between going from Med to High I think I lost about 10-15 fps on this card but it was still very enjoyable to play.

[i]1280x1024 ; Medium Settings ; 8x AA


[i]1280x1024 ; High Settings ; 8x AA


F.E.A.R. Benchmarks
1280x1024 ; Max Settings
If there had been anything really dramatic to tell you guys about this benchmark I would have shown it, but considering when I turn vsync on and have the games settings completely maxed out and fraps shows "60fps" solid until theres a strange blip and it'll drop to about 40 but continues onto 60. If I decide to turn vsync off I'll see the FPS jump to as high as 120fps :)

Screenshots




Half Life 2: Episode 2
1280x1024 ; Max Settings
It really honestly doesn't seem what I throw at this card aside from Crysis that will make it drop in frames. I've tossed F.E.A.R. and a few other games and now this one and it just keeps on ticking at 75fps :D

Screenshots




[ COOLING ]
The nice thing about these new cards is the heatsink was made into a single slot card instead of dual slot like the GTS and GTX versions. While this is great it does bring in two different problems; one is for overclocking and one is for general cooling.

The single slot cooler doest an alright job at keeping the card cool IF you have good case cooling but if your case lacks cooling expect to see the temps of this card inexcess of 80 degrees celcius. If you download nTune or Rivatuner you will be able to adjust the fan control and allow the fans to run at 45% duty cycle and not notice any audible difference but as soon as you hit 50% you will start to hear the card.

This brings up my second point about over clocking. Now in general we know that to get the best performance out of any system whether it be a cpu or a gpu you need to be to adequately keep the component cool and unfortunately if you really want to be able to overclock this card you'll need to run the fan at either 90% duty or upgrade to an aftermarket cooler.

So I decided to add the Accelero S1 cooler with a 120mm fan attached to the heatsink and temps are now at 38 degrees idle and 42-43 under load with ati tool

[ OVERCLOCKING ]
You can see by the following tests that you gain a bit of performance from overclocking but not really enough to warrant any real need to.

Test 1
Stock Fan @ 45% Duty
Temps: 75 Under load
ATI Tool: 5mins
Core = 600
Shader = 1500
Memory = 900

Pixel Fillrate = 9.6 GPixel/S
Texture Fillrate = 9.6 GTexel/S
Bandwidth = 57.6 GB/s

Test 2
Stock Fan @ 92% Duty
Temps: 63 Under load
ATI Tool: 5mins
Core = 699 [600]
Shader = 1592 [1500]
Memory = 999 [900]

Pixel Fillrate = 11.2 GPixel/S
Texture Fillrate = 11.2 GTexel/S
Bandwidth = 63.9 GB/s
3dMark06 = 13649

[ FINAL THOUGHTS ]

For a price tag of around $280 or so you really can't go wrong if your looking for a great card to upgrade or update or your old one to. The one thing I found about this card was that the over clocking ability wasn't as much as I had hoped it could be but that maybe due to the factory clocks being close to the max for the card or maybe not enough voltage.

The other thing I discovered about this card was that over clocking it didn't yield the best results but what did was the processor speed. A jump of a e6600 from 2.4ghz to 3.4ghz yielded a 3,000 point jump in 3dMark06 which was the most impressive result of anything done with this card. So if you have a quad cpu or a extreme cpu I'm sure you'll see even better numbers from this card then I have.

Last edited by enaberif; November 8, 2007 at 12:50 AM. Reason: Added World In Conflict
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Old November 1, 2007, 07:45 AM
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Excellent review, short and to the point. Weird about the "Dead Zone" though.
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Old November 1, 2007, 08:39 AM
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Very nice, thats almost double what my 7800GTX is getting. :)

What sucks is ncix is screwing around with my order, they say their CC processing is backlogged grrr. Ordered monday when it was supposedly "in stock" and still no shipping.
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Old November 1, 2007, 08:45 AM
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I'll be updating this as I go along with different tests to see how things work and what don't work! So keep watch.
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Old November 1, 2007, 08:48 AM
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Default looks food

Its amazing the difference the cpu makes to the higher end 8800series.
Be good to see how this translates to FPS in something like the Crysis Demo.
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Old November 2, 2007, 09:07 PM
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** Added F.E.A.R. Benchmarks **
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Old November 2, 2007, 09:16 PM
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Quote:
Originally Posted by magictorch View Post
Its amazing the difference the cpu makes to the higher end 8800series.
Be good to see how this translates to FPS in something like the Crysis Demo.
I wonder how much of a bottleneck a 4200+ would be? I think I can OC it to 2.6 GHz, but not much more. Meh, I'll be getting a 6000+ anyhow next month.
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Old November 2, 2007, 09:19 PM
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Quote:
Originally Posted by ][)) (()) ][V][ View Post
I wonder how much of a bottleneck a 4200+ would be? I think I can OC it to 2.6 GHz, but not much more. Meh, I'll be getting a 6000+ anyhow next month.
I'm gonna say at least the equiv of a 2.4 for good performance and more of 3.0ghz for great performance.

But as I showed I have a constant 60fps in F.E.A.R and just gonna try CoD 2
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Old November 4, 2007, 01:59 PM
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Added Crysis Info
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Old November 4, 2007, 02:54 PM
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Default very interesting

Its good to see it get to grips with Crysis.
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