785G Northbridge And SB710 Southbridge Vital Statistics
Let's have an overall look at the 785G and its brethren to see how their vital statistics stack up:
| AMD 785G | AMD 780G | AMD 790GX | |
| Processor Interface | HT 3.0/5,200 MT/s | HT 3.0/5,200 MT/s | HT 3.0/5,200 MT/s |
| PCI Express Support | 2.0/26 lanes/1 x 16 Graphics | 2.0/26 lanes/1 x 16 Graphics | 2.0/26 lanes/2 x 8 Graphics |
| Integrated Core | RV620 | RV610 | RV610 |
| DirectX/OpenGL | 10.1/2.1 | 10.0/2.1 | 10.0/2.0 |
| Shaders/TU/ROP | 40/4/4 | 40/4/4 | 40/4/4 |
| Graphics Clock | 500 MHz | 500 MHz | 700 MHz |
| Display Outputs | DisplayPort, HDMI 1.3, DVI, VGA | DisplayPort, HDMI 1.2, DVI, VGA | DisplayPort, HDMI 1.2, DVI, VGA |
| Multi-GPU | Hybrid CrossFireX | Hybrid CrossFireX | Hybrid CrossFireX, CrossFireX |
| Addtl. PCIe | Six x1 PCIe 2.0 | Six x1 PCIe 2.0 | Six x1 PCIe 2.0 |
| Southbridge | SB710 | SB700/SB710 | SB750 |
| Interconnect | A-Link Xpress (4 x PCIe 1.1) | A-Link Xpress (4 x PCIe 1.1) | A-Link Xpress (4 x PCIe 1.1) |
| RAID Support | RAID 0, 1, 10 | RAID 0, 1, 10 | RAID 0, 1, 10, 5 |
| Audio | HD Audio | HD Audio | HD Audio |
| USB | 12 USB 2.0 + 2 USB 1.1 | 12 USB 2.0 + 2 USB 1.1 | 12 USB 2.0 + 2 USB 1.1 |
| Ethernet | N/A | N/A | N/A |
There aren't any super-significant differences between 780G and 785G as far as raw specifications are concerned, save DirectX 10.1 support for the new 785G. Keep in mind that the 785G does have some features that the 780G and 790GX do not have, which we'll go over in the next few pages.
The 790GX differentiates itself from its brothers with a higher 700 MHz graphics clock, the ability to use dual discrete graphics cards in CrossFireX, and the additional RAID 5 mode. This incremental feature indicates that the 785G is not positioned as the next big thing, but as an improved replacement for the 780G chipset. Pricing will likely fall to current 780G levels over time, and while AMD admits that its customers will still be able to purchase the 780G chipset should they choose to do so, 785G will slowly replace 780G. Perhaps we'll see a 795GX chipset arrive in the not-too-distant future, bringing the 785G advancements to the higher-end 790GX price segment.
The SB710 Southbridge
The SB710 is nothing new. It has already been used in conjunction with the 780G as a replacement for the older SB700 chipset component. The SB710 is something of a hybrid between the older SB700 and the SB750 commonly used on 790GX-based boards. And, like the SB750, SB710 sports Advanced Clock Calibration (AAC), used to enable additional headroom in Phenom processors (but no longer needed with Phenom II).
Like the SB700, however, AMD's SB710 does not support RAID 5, although it does support RAID 0, 1, and 10 arrays.
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just want to give you guys a heads up, meybe you wanna look into it:
AMD 785G Update - Multi-Channel LPCM is not Available
or at least thats what AMD says accordign to anandtech:
http://www.anandtech.com/weblog/showpost.aspx?i=629
Great article..thanks for including the GPGPU benchmarks
Be nice to see those vs. the fastest i7 and it's respective power draw.
Fair do's to AMD. They've bounced back, and given the market some products that can compete with both Intel (CPU's) and nVidia (GPU's). Seems like it's only nVidia that has kept Intel's head above water in the GPU market..the G45 couldn't even play Blue-Ray properly, let alone produce decent frame rates even in slightly older games.
If I was in AMD's shoes right now I'd push the advantage of GPGPU processing, in addition to low-cost Athlon II/Phenom II processors. Only thing that doesn't appeal to me is the naming conventions, which confuse the user into thinking higher numbers mean more performance..that really turned me off nVidia. The 785G is alright because it suggests a slightly modified design rather than a brand new one (nice to see them squeezing everything out of it and developing even better drivers), but the integrated HD4200 being slower than HD3300? Hmm, c'mon guys..that might cheese off a few people.
Finally, the article does lead me to ask: is nVidia doing the 9400 for AM3? If not, is it down to some competition law or something? The 8200 game results look very weak..they're even on par with the Intel G45 on occasion. An nVidia 9 series IGP for the AMD platform would obviously be better.
p.s.
I think Mother Earth is far better served by the US population, which is predicted to mushroom in a relatively short space of time..I'll settle for the lesser evil I think, and get that shiny new CPU.
I think Mother Earth is far better served by the US population, which is predicted to mushroom in a relatively short space of time..I'll settle for the lesser evil I think, and get that shiny new CPU.
I think you've missed out the words "not" and "cloud" from your quote
Anandtech is reporting that retail 785G motherboards typically won't actually support multi-channel LPCM. Any truth to this?
AMD chips still can't run standard windows Apps properly without cashing, so as far as I am concerned, Intel is a solid winner.
(every AMD I have been on has had an issue with some very basic program, ranging from Nero Burning Rom to something as simple as Microsoft Word (03/07))
Hey, this review is giving me ideas....
and now i'm slightly confused...
I was going to assemble an intel 5200+ Biostar g41 for a simple home use PC, but now I am seriously considering 785G. I am not really into gaming. All I want is a graphic good enough to play bluray with good onboard sound card.
Anyway, keep up the good work. This is the kind of review which a novice like me am looking at and depending upon when trying to buy a new PC. Thanks!!