Comparison of Graphics Chips and Introduction of the Test Configuration

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The Geforce 6 and 7 are not overclocked. If the Geforce 8800 GTS 512 OC was to be operated at the standard clocking rate, it would be as fast as the Geforce 8800 GT OC in terms of overall performance. The Geforce 9600 GT has 1024 MB of graphics memory, while the new Geforce 9800 GTX is competing for first place with the Geforce 8800 GTS 512. Which of these two models comes out on top depends on the clocking rate used—the two cards are too similar in terms of the technical specifications and clocking rates with G92 graphics chip, for any relevant performance differences to be identified.

Nvidia Graphics Cards
Card manufacturer and chip Code name Memory Shader GPU Speed Memory Data Rate
Geforce 9800 GTX G92 512 MB GDDR3 4.0, 1688 MHz 675 MHz 2200 MHz
Geforce 9600 GT OC G94 1024 MB GDDR3 4.0, 1680 MHz 700 MHz 1900 MHz
Geforce 8800 GTS OC G92 512 MB GDDR3 4.0, 1825 MHz 730 MHz 1944 MHz
Geforce 8800 GT OC G92 512 MB GDDR3 4.0, 1650 MHz 660 MHz 1900 MHz
Geforce 7950 GT G71 512 MB GDDR3 3.0 550 MHz 1400 MHz
Geforce 6800 GT NV40 256 MB GDDR3 3.0 350 MHz 1000 MHz

OC = overclocked (speed is higher than standard)
Memory Data Rate = physical clock rate times two

gpu vs cpu

Nvidia Graphics Card
CPUs Intel E2160@1.8, E2160@2.41,
E6750@2.67,
Q6600@2.4, Q6600@3.2,
X6800EE@2.94
Cooler Zalman 9700 LED
Motherboard Asus P5E3 Deluxe, PCIe 2.0 2x16, ICH9R
Chip set Intel X38
Memory 2x1 GByte, Ballistix (Crucial Technology) 1.5 Volt,
DDR3 1066 7-7-7-20 (2x533 MHz)
Audio Intel High Definition Audio
LAN Intel 1000 Pro
Hard drives Western Digital WD5000AAKS 500 GByte, S-ATA, Cache 16 MB,
Hitachi 120 GByte, S-ATA, Cache 8 MB
DVD Gigabyte GO-D1600C
Power Supply CoolerMaster RS-850-EMBA 850 Watt

Driver and Configuration
Graphic Nvidia Forceware 174.53, 9800 GTX 174.74
Operating system Windows Vista Enterprise
DirectX 10
Chip set driver X38 Intel 8.3.1.1009

For the purpose of testing, all graphics cards used a version of the new 174 driver introduced with the 9600 GT. The Geforce 9800 GTX required Version 174.74 because the graphics chip was not included in official releases. The Microsoft Flight X SP2 and DX10 preview modes still have representation errors in the water pixel shader—as a result, the simulated waves are missing. In DX9 mode (Geforce 6 and 7) everything appears to be fine.

gpu vs cpu

gpu vs cpu

gpu vs cpu

gpu vs cpu

gpu vs cpu

gpu vs cpu


Talkback
david__t 16/05/2008 12:30
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david__t

Shock horror - video cards have a greater impact than CPUs overall on games! Matching your CPU to your GPU has been something that gamers have done for years to make sure that their graphics card was not hampered - since when has this ever been an "endless topic of conversation"? Its like asking whether a better clutch or bigger engine makes a car go faster or not - yes you need a decent clutch to put the power down, but that power comes from the engine. Come on THG - this is not up to your usual standard of asking interesting questions - if you want an endless topic of conversation, try the age old sync / async RAM operation issue.

ToTaL SHiT 16/05/2008 07:18
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ToTaL SHiT

The overclock potential of a cpu is far greater then a gpu.
The entry level cpu in a series have almost as much overclock potetial as a high end one, sometimes even more due to fsb clock.
The most bang for the buck is to had with a entry level cpu in a current series opverclocked, combined with the best grahics card in your budget (save money on cpu and put it towards gpu)

mackayde 18/05/2008 01:02
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mackayde

This review is fantastic. It is best for people who want to see difference between their current configuration and performance gains between old and new hardware per buck.
E.G. If someone has a 8600GT and a low spec CPU, it makes no sense to buy a new graphics card as this review coroborates the relation between GPU AND CPU.
Great stuff Tom's.

david__t 18/05/2008 09:54
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david__t

Why do you mention overclocking? Anyway, entry level CPUs have less cache and a slower bus speed - none of which can be gained back by overclocking - and then you have to spend loads on a good heatsink (for any clock speed increase worth talking about) which means you may as well have bought a better CPU in the first place.
Also, Mackayde, the fact that you said 'coroborates' makes my point for me - this is ground already covered - we all know that mid range goes with mid range etc... for the best bang for the buck & price/performance ratio.

Anonymous 21/05/2008 11:53
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These test are being made for people who have doubts about cpu/gpu performances, not all people are genius like you david t to know the differences among these 2 chips. Dont take yourself to be too intelligent by trying to contradict thg because I sincerely think you are not that intelligent, you a_sh_le

samuraiblade 16/07/2008 06:02
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samuraiblade

good for me to know as i have just upgraded to a dfi x48 board and e8400 , i currently have a 8800gt on it but as its a crossfire board im intending to get the 1gb 4870 when its released at the end of the month , my sons machine is an athlon 64 3ghz with pci-x , so it kills two birds with one stone as he can have my 8800gt and get a very good machine also in the process.

AleksandarTokarev 24/07/2008 08:41
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AleksandarTokarev

Great Review :)

Anonymous 12/08/2008 06:11
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"Anyway, entry level CPUs have less cache and a slower bus speed - none of which can be gained back by overclocking"

Err, of course you can make the bus speed faster by overclocking. What THG is suggesting is that the hit you get from using a cheaper CPU (i.e. less cache, lower bus speeds) can generally be dialled out by overclocking the CPU to death. i.e. run 3DMark on both, I bet you can easily get the same of better results from a lower prices CPU and many of the premium units.

Revonize 22/08/2008 12:16
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Revonize

Great article. At this moment i got very low spec CPU - P4 HT 3.0, ASUS P5KC mainboard, 4GB of Ram and HD 4850 graphics card. I am not very satisfied with overall performance of my machine. I want to upgrade a CPU but I was not sure what kind of performance boost i got. Now I know :) THX THG

g0ldf1sh 28/08/2008 07:11
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g0ldf1sh

Very useful article for me - in the process of component hunting for a new PC (upgrading from a P4 2.8, 6800GT (AGP) and 1gb of RAM - yep old stuff indeed) For me the fact the CPU needs to be around 3Ghz to get the best out of the Graphics card is the most useful bit of advice i could get right now, thanks THG

Anonymous 29/09/2008 12:52
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Its sad when "know it all" computer nerds stroke their e-peen by slagging off a feature that is almost definatly going to be useful to countless others.

Its people with david_t's attitude that give other techie types who may already know all this a bad name.

gr8_stuff 15/10/2008 02:52
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gr8_stuff

Yes, great article. I have a similar setup to goldfish above and am looking to upgrade now too - glad I searched this out.
Cheers

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