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Overclocking & TweakingBefore we dive into an wide-ranging series of tests and benchmarks, we need to explain overclocking. With most videocards, we can do some easy tricks to boost the overall performance a little. You can do this at two levels, namely tweaking by enabling registry or BIOS hacks, or even tamper with Image Quality. And then there is overclocking, which by far will give you the best possible results.What do we need?One of the best tool for overclocking NVIDIA and ATI videocards is our own Rivatuner that you can.
If you own a NVIDIA graphics card then NVIDIA actually has very nice built in options for you that can be found in the display driver properties.Where should we go?Overclocking: by increasing the frequency of the videocard's memory and GPU, we can make the videocard increase its calculation clock cycles per second. It sounds hard but it really can be done in less then a few minutes. I always tend to recommend to novice users and beginners not to increase the frequency any higher then 5-10% of the core and memory clock.
Example: If your card would run at 300 MHz then I suggest you don't increase the frequency any higher than 330 MHz.More advanced users push the frequency often way higher. Usually when your 3D graphics will start to show artifacts such as white dots ('snow'), you should go down 10-15 MHz and leave it at that.The core can be somewhat different. Usually when you are overclocking too hard, it'll start to show artifacts, empty polygons or it will even freeze. I recommend that you back down at least 15 MHz from the moment you notice an artifact. Look carefully and observe well.All in all.
Do it at your own risk.Overclocking your card too far or constantly to its maximum limit might damage your card and it's usually not covered by your warranty.ReferenceDesignDefault on this x850 XT PEMaximum overclockCore Clock Speed400 MHz400 MHz443 MHzMemory Clock Speed500 MHz500 MHz (x2)563 MHz(x2)The Radeon x800 XL seems to be a very nice card to overclock.You will benefit from overclocking the most with a product that is limited or you may call it 'tuned down'. The XL is exactly that. We know that the graphics core is often limited by tact frequency or bandwidth limitation, therefore by increasing the memory and core frequency we should be able to witness some higher performance results. A simple trick to get some more bang for your buck.The x800 XL at default is doing 398 MHz on the core. It's GDDR3 memory is (2x) 493 thus 986 MHz effective.The default clock setting you can alter them by using Rivatuner, which you can.
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We pushed everything to 443/563 where things remained 100% stable.One small reminder though, our overclocking results are never a guarantee for your results. Manufacturers' choices in components differ and so will the end-results. This however is a good indication of what is possible (or not).The Test SystemNow we begin the benchmark portion of this article, but first let me show you our test system. (PCI-Express 16x enabled). Windows XP Professional SP2. for ATI cards.
Latest reference mainboard & chipset PCI-Express drivers. (tweak utility)Benchmark Software Suite:. Far Cry ( Guru3D config & timedemo). Splinter Cell ( Guru3D custom timedemo). Half-Life 2 ( Guru3D custom timedemo). 3DMark03. 3DMark05.
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AquaMark 3. Unreal Tournament 2004 ( Guru3D custom timedemo). Doom 3The numbers (FPS = Frames Per Second). Now what you need to observe is simple, the numbers versus the screen resolution. The higher the better.The numbers represent what we call FPS, this means Frames per second. A game's Frames per second is a measured average of a series of test. That test often is a timedemo, a recorded part of the game which is a 1:1 representation of the actual game(play).
After forcing the same image quality settings this timedemo is then used for all graphics cards so that the actual measuring is as objective as can be for all graphics cards. In todays article a GeForce 6800 GT PCI-Express.If a card reaches 30 FPS then the card is barely able to play the game. With 30 FPS up-to roughly 40 FPS you'll be very able to play the game with perhaps a tiny stutter at certain, intensive on the graphics card, parts.When a graphics card is doing 60 FPS at average or higher then you can rest assured that the game will likely play extremely smooth at every point in the game.You are always aiming for the highest possible FPS versus the highest resolution versus the highest image quality.Frames per secondGameplay60 FPSbest possible gameplay.
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Today's tested product is the shaggy Radeon X1950 Pro which comes with the newer IceQ3 cooling solution; a review on ATI's latest 12-pipe mid-range product which obviously was based off the R580 silicon, and is quite frankly a very credible graphics card as you'll learn in this article. The card features 36 Pixel Shaders units.
And for roughly $219-239 you can pickup the 256MB version already.Primarily this is a Radeon X1650 XT Crossfire article, yet with included X1950 Pro Crossfire results as well. Ever since NVIDIA released the GeForce 7600 GS/GT cards earlier this year ATI has had a very rough time delivering a product that offers the same performance. They constantly were close but not close enough. ATI worked hard to finish up its new 80 nanometer products and despite a delay of all the 80 nanometer chips, it is finally ready in good quantities. The Radeon X1950 Pro for example is such a product.The Radeon X1650 Pro utilizes the ATI RV535 graphics core, a new revision of the RV530 which was the basis of the X1600 series. What's new then you are asking? Uhm, well nothing except a newer 80nm fabrication process.
That 80nm process ensures cheaper production of the silicon and more importantly less heat and likely lower graphics core voltages. That means you can clock the core faster, which was done quite insignificantly for this model but the increase is there.So today we'll be looking at the rather lovely Radeon X1950 Pro from this company, a review on ATI's latest 12-pipe mid-range product which obviously was based off the R580 silicon, and quite frankly is a very credible graphics card as you'll learn in this article.
The card features 36 Pixel Shaders units. For $199 you can pickup the 256MB version already, it sounds like a great deal as it should offer at least twice the performance of a X1600 Pro.
I got the game yesturday, it's awsome! Great graphics, it's exactly like half life. You start off like a regular day at work then bam they open a gate to hell and the whole place turns into a bloody warzone.The story is nice it's not just run around kill everything. Next thing you know you've beat the game, when i first bought this game i wasnt expecting it to be like this thought it would suck like the other old onesAnyways i'm playing the game on high, 800x600, 2xAA, 8x AF (having it on high automaticly sets it on 8x so they say) the game look's awsome and runs flawlessly way better than farcry ever could they did a great job on this game.now. To just track down a damned 6800 GT!p.s: did i mention the lighting owns! Edited August 5, 2004 by Private Ryan. Just got my copy today, silky smooth 62fps on high setting at 1024 but at 1280 res the benchmark is only 31.5.odd for such a mild res change.i cant understand how anyone thinks its scary, its not as scary as i hoped, the odd creeking and other sounds make it more scary than anything and the sudden suprise attacks is a very cheap scare, but the level design is dull.hours of walking/shooting around in halls and rooms doesnt make for much replay value.definitly not worth my 55 bucks or the wait but i got a pewter demon figurine out of it.wow.