The IGP Chronicles Part 2: AMD 780G vs. Intel G45 vs. NVIDIA GeForce 8200
by Gary Key on October 14, 2008 12:40 PM EST- Posted in
- Motherboards
The Gaming Performance Showdown
In our gaming tests the 790GX is the clear winner, which is not a surprise given its clock speed advantage over the 780G. The GeForce 8200/8300 hold their own in Enemy Territory: Quake Wars due to a better OpenGL implementation in their drivers. Race Driver GRID heavily favors the AMD solutions. We have also noticed this pattern in discrete GPU card testing. Age of Conan responds well to the 790GX mGPU core clock speeds and Sideport memory running at 1333MHz. Without SP enabled, the Gigabyte board scores 17.9 FPS in this game. The AMD solutions also hold an advantage in the Cyrsis test where GPU speed and shader throughput are important. Finally, in Spore, we see Intel providing something close to a decent score compared to the other solutions.
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MrMilli - Tuesday, October 14, 2008 - link
If you multiply it all out that gives Intel a throughput of 8 instructions per clock for G35, 10 for G45, 10 for NVIDIA's GeForce 8200 (where two are transcendental operations) and 40 for AMD. In terms of worst case throughput however, AMD falls down to 8 per clock (assuming the compiler can't feed the hardware 4 shader ops + 1 transcendental per SP) as does NVIDIA. This worst case rarely happens, but it is definitely worth noting.10 for nvidia => 8 for nvidia
AMD falls down to 8 per clock => to 10 per clock
a1yet - Tuesday, October 14, 2008 - link
wow finally a video playback comparison :-) TYI have a question one of you may be able to answer ?
In the "Hardware Accelerated Blu-ray Playback Comparison"
(CPU usage) the 780 beat the 790 in 3 of the 6 tests!
With the 790 using up to 9% MORE CPU usage, and in the
other 3 tests. The 790 beat the 780 by only .3% (well within a margin of error)
Up to 9% MORE CPU usage is A LOT!
I want to buy the 790 but this is a disappointment!
Dose anyone know why the 790 uses so much more CPU then the 780.
Is it's HD Acceleration sub-par ?
Heck in the "Crank DB" test all the cards beat the 790.
Please help TY
yknott - Tuesday, October 14, 2008 - link
Do we know if the Radeon HD4xxx cards support output at 1080p/24fps?I did some googling and can't find anyone who can verify this
Geraldo8022 - Tuesday, October 14, 2008 - link
"do we know if the Radeon HD4xxx cards support output at 1080p/24fps?"this is exactly what I want to know also.
Screammit - Wednesday, October 15, 2008 - link
I just received a 4670 today to plug into my old PC that i'm slowly converting into an HTPC. In the display modes 1080p/24 is natively listed, but i'll have to get my blu ray drive in before I can truly verify that it works. Sure seems to have support though.Calin - Tuesday, October 14, 2008 - link
An Intel processor and chipset with an AMD discrete cardSkCom - Tuesday, October 14, 2008 - link
testing amd ddr 2 and intel ddr 3 is not fer test and amd made the 780 790 for usage with cheap cpu SEMPRON so why use phenom and rise the w power when simply can do the chep cpu psu ram and stillwatch HD movies surf and dissant gaming price perfom AMD 1 CHAMPION
strikeback03 - Tuesday, October 14, 2008 - link
Checked twice, can't find any punctuation in this post. I have no idea what you are trying to say.fic2 - Tuesday, October 14, 2008 - link
Apparently using a Sempron takes away your ability to punctuate, spell check or make much sense.Clauzii - Tuesday, October 14, 2008 - link
He says that by using a Sempron CPU (lower watt than Phenom), it would still be a nice machine for most people, and still be good for movies.