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The IGP Chronicles Part 2: AMD 780G vs. Intel G45 vs. NVIDIA GeForce 8200
The IGP Chronicles Part 2: AMD 780G vs. Intel G45 vs. NVIDIA GeForce 8200
Date: October 14th, 2008
Topic: Motherboard
Manufacturer: Various
Author: Gary Key
 
 

Power Consumption

The power consumption breakdown is as expected: Intel is in the lead thanks to its lower power 45nm process and if you decide to disable CnQ to get around the performance anomalies then the difference is even bigger.

There are a few items worth pointing out in the following results. First, remember that gaming power requirements will scale with the frame rates, so if you are GPU limited (which we are in all cases here) you won't use as much power from the CPU and other components. Taking that a step further, if you are limited to half (or one fourth) the frame rate, direct comparisons between competing solutions become rather meaningless - most people playing games would be more than happy to increase power use during games in order to achieve acceptable frame rates.

That said, games frequently don't let the CPU idle when they're waiting for the GPU, and you can clearly see in the gaming and video encoding benchmarks that the Phenom setup uses significantly more power than the Core 2 Quad. What we really need is for NVIDIA to make a good chipset for LGA-775....

Idle Power Consumption

Idle Power Consumption

Gaming Power Consumption (Company of Heroes)

Gaming Power Consumption (Company of Heroes)

Video Encoding Power Consumption (PCMark Vantage TV-Movies Test)

Video Encoding Power Consumption (PCMark Vantage TV-Movies Test)

The Motherboards: GeForce 8200 from Biostar   Next Page

 
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40 Comments - Last by Nil Einne, 294 days ago
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AMD : same old crap by tayhimself, 402 days ago
Neither AMD nor Nvidia can make a decent chipset. Intel seems to have as many misses as they have hits so they're usually a good bet. Boo hiss to poor QC!

Reply
RE: AMD : same old crap by Nil Einne, 294 days ago
As with others, I have to say this is a piss poor review. I looked at the Part 1 and came across a resonably decent review. Was expecting the same thing here. But what do I come across? You onmly test two quad cores. What idiot buys a quad core for their HTPC? Unless you're transcoding there's absolutely no reason and given the price of HDs nowadays and the fact that some broadcasters are using AVC for their HD content anyway there's only a few people who are going to bother. Even if you are occasionally transcoding, it's questionable of you really need a quad core or it might be better to just stick with a dual. At the very lest you could have tested quad cores and dual cores like you did with the previous review. But you didn't and so have a fairly useless review for 99% of the population. Why did you even bother with gaming anyway? Seriously, how many people game with quad core IGP systems particularly the kind of games you were testing. And how many of those check out Anandtech reviews? Maybe 5 people in the whole world... You may use a quad core IGP for a high load server or a non-3D workstation but not gaming.

As it stands, based on your previous review (part 1, i.e. the one with the G35) and your comparison between the G35 and G45 I'm guessing that the 8200 is probably still better when paired with a decent CPU for most HTPC purposes but only barely. Sadly it's just a guess for the reasons I outlined above

Reply
RE: AMD : same old crap by Nil Einne, 294 days ago
When I said part 1 I meant the "IGP Power Consumption - 780G, GF8200, and G35", got slightly confused. One of the strangest things about this review of course is the 8200 performed so poorly whereas in that review, it was better then the 780G. Has the 780G improved a lot? Is it just the Gigabute 780G was a POS? Who knows, one would have thought the reviewer would have at least co=mmented on if not investigated this but apparently not

Reply
summary by gipper, 402 days ago
It sounds to me like you're really recommending that at this time the way to go is to get a cheap Intel chipset motherboard with the cheapest, lowest power 45nm Core2 Duo, and an ATI 4550.

But what Intel chipset would give that rock solid platform at the lowest price?

Reply
Geforce 8300 by AmdInside, 402 days ago
I own the Asus M3N-H/HDMI (Geforce 8300) and except for the fact that it doesn't have an eSATA port, I have no complaints (well, maybe the placement of the 24-pin power connector).

http://www.asus.com/products.aspx?model...mp;l1=3&l2=149&l3=676&l4=0

I recently purchased the Intel G45 Mini-ITX motherboard to build a second HTPC and although it has worked ok for the most part, BD and HD-DVD playback just doesn't seem as smooth as the Geforce 8300. It is not choppy. It just feels like the framerate is lower. I can't explain why. The same HDTV was used with both systems and they were both set to 1080p/60. Both systems are running Windows Vista. If you are building a new HTPC, I would not recommend Windows XP btw with these platforms. Anyways, I appreciated the article. For me, I was trying to build a somewhat portable HTPC with the Intel mini-ITX motherboard but given the problems I am having with BD and HD-DVD playback, I think I am going to leave it as a Windows Media Center DVR box and use the Geforce 8300 as my main HTPC. For what it's worth, I tested with both WinDVD and Arcsoft TMT.

Reply
A couple of questions... by 3DoubleD, 402 days ago
"However, they are offering 8-channel LPCM support on the HD 4xxx series of video cards. Of course that option comes with an additional cost and potential problems such as incompatibility with AVR receivers such as those from Yamaha"

Can you elaborate on these problems? I was planning on building an HTPC system and was considering this exact combination. Are these temporary (driver update solvable) problems?

This second question is only distantly related to this article. When using the HDMI with LPCM audio, will sound from sources other than Blu-ray discs (such as games or movies with DD5.1 or DTS) be playable on your stereo? Part of me wants to say yes it will for DTS and DD5.1, but I'm skeptical about video games for some reason. I guess I don't fully understand the extent of the sound card capabilities on these IGP/discrete graphics solutions.

Great article, I'm looking forward to your HTPC graphics card review.

Reply
All thing in context. by Mathos, 402 days ago
Hmmmmm Actually the power numbers aren't too bad when you take it into context. Q9300 is a 45nm chip, and 9950 is 65nm. Q9300 is 95w TDP rated, but runs much lower actual TDP. While the 9950 is rated 125w TDP. I'd be interested in seeing this test redone once Deneb variants come out. Considering the lesser performance of the Phenom compared to the Penryn, it actually speaks well of both the AMD based chipsets, and shows that the 790GX does a lot to make up for the processor.

I'd say AMD/ATI are doing a good job on the Chipset front now.

Reply
RE: All thing in context. by Calin, 402 days ago
Also, considering we're talking about a $174 versus a $260 processor. I wonder what the results were if the comparation would have been against the quad core Q6600 (at a somewhat similar price of $189).

Reply
A couple of overkill problems with the HTPC test beds and my thoughts. by Golgatha, 402 days ago
I have a HTPC running an Intel E8400 C2D, Zalman 9500 HSF, 6GB RAM, a passively cooled ATI 2600 Pro 256MB, Lite-On SATA Blu-ray/HD DVD combo optical drive, Abit IP35-E, 3 hard drives (250GB and 2x750GB), 380w Earthwatts PS, 4 fans (this includes the PS and CPU fan), and a HT Omega Striker 7.1 discreet sound card. The system runs Vista 64bit Home Premium.

My requirements for a HTPC were for it to be out of sight (tucking it behind the entertainment center and using a Bluetooth Logitech DiNovo Mini works great for me), run cool and quiet, and not use much electricity. Running 2xFolding@Home clients, a Tversity server for my PS3, and playing a Blu-ray movie uses about 115w system power for the entire system (measured with a kill-a-watt brand device).

I think the configurations tested weren't really representative of how folks build their HTPC, unless you're assuming it's a do-it-all type of PC, which isn't really a HTPC at that point IMO?
Why in the world would a dedicated HTPC need a quad core CPU or a 520w PSU? Dual core 45nm parts are more than capable of even the most demanding tasks. Also, a 520w PSU for a 100-150w system is completely inefficient.

http://www.anandtech.com/casecoolingpsus/showdoc.aspx?i=3413&p=3

Also, barebones motherboards are cheaper than their IGP counterparts by at least $15-$20 (my Abit board was $70 after MIR), which gives a bit of leeway to purchase a $30-$50 dedicated video card that will give a much better end user experience at the end of the day. Also, when something better comes out (hey, I'm interested in AMD's new 4550 etc. series too), you don't have the unnecessary components on the motherboard sucking electricity.

Reply
RE: A couple of overkill problems with the HTPC test beds and my thoughts. by fic2, 402 days ago
That is exactly what I don't understand about the recent "HTPC" articles on here. For some reason they think that people actually use quad monster processors for HTPCs. I got a $25 BE-2400 45W cpu that I intend to use in an HTPC, not some 125W beasty thing that triples my power usage.

Reply
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