A64 rigs and video encoding

[perdomot]

AMD has long had an advantage in gaming while Intel ruled on encoding but I'm wondering how the new A64 chips compare, especially OC'd. Anyone seen or done some testing on this? Thanks.

 

[kini62]

http://www.tomshardware.com/cpu/20041220/index.html

Just one of many CPU comparisons on the net. Just Google it.

 

[DrMrLordX]

AMD is doing well in Xvid. Heck, if you want to see a recent comparison of CPUs, just check out Anandtech's review of the Pentium M adapter from Asus which is on the front page right now. Or . . .

http://www.anandtech.com/cpuchipsets/showdoc.aspx?i=2382&p=6

While this article is intended to show the power of the Pentium M on a desktop board, the lineup of other CPUs in the benchmark is rather robust, and should answer your questions.

Pentium 4s are dominant in Divx encoding, but Athlon64s are competative in Xvid.

 

[perdomot]

The problem is I encode to mpeg 1 and 2 for vcds/svcds and none of the articles I've read address this. I know that when I went from an AMD 3200+ to my OC'd CelD @3.5Ghz, my encoding time dropped by 1/3 because I tested it. I plan on getting a 939 mobo and a 3000+ A64 that will be OC'd to 2.4-2.6 and I'm wondering how this will stack up to the CelD. Obvious gaming will be a no-brainer but for encoding audio/video and general usage, I've not seen much that applies to me. Hopefully, someone here has upgraded along similar lines and has some data on this.

 

[Duvie]

Here is the issue...from my testing the encoding (most apps) dont care about the cache that much, hence why the celery does well...probably comparable to the p4 of equal speed...On the other hand I thought the celeries dont have HT....In that case an HT app in alot of encoding apps can give 10-20% speed boost...I dont know about your app cause you have not listed it. If the app you run is HT aware Quit being so cheap and get a 2.4c or 2.8c and boost it to 3.3-3.5ghz range and it should destroy that cel D.

Now from my testing and I had a 2.4c@3.5ghz (extremely oc'd bus) and now this 3000+@2.66ghz I see that in most instances I am equal in these same HT aware apps to about 3.3ghz of my P4 or about 7% slower......At 2.0ghz like your cpu that would be a 30% slower then my curent mark, and my test show they increase pretty linear with ocing So your claims of 1/3 slower could be legit.
My guess would be that a 2.66ghz like mine could come close to equal that Cel D, but would still lose in most all apps versus a 3.5ghz p4 (especially if oc'd a bit).


I use TMPGenc and it can do SVCD and it is extremely HT aware..couple this with a cpu with HT and you can have gains of 19-22% over same speed chip without HT....

I do less and less encoding now, so for me a bit slower in this area didn't concern me. I am faster in most all of my other apps I use more frequently....PLus I enjoy the quieter and cooler running chip. I also got the sckt 939 to poise myself for dual core chips without having to upgrade my platform over and over again, and to start messing with 64bit cad apps. It wasn't much of an upgrade...more lateral then anything, but as an ocer I was bored and need something new to play with. I fully expect to get a venice core and push for 3ghz here shortly.

 

[Duvie]

Originally posted by: DrMrLordX
AMD is doing well in Xvid. Heck, if you want to see a recent comparison of CPUs, just check out Anandtech's review of the Pentium M adapter from Asus which is on the front page right now. Or . . .

http://www.anandtech.com/cpuchipsets/showdoc.aspx?i=2382&p=6

While this article is intended to show the power of the Pentium M on a desktop board, the lineup of other CPUs in the benchmark is rather robust, and should answer your questions.

Pentium 4s are dominant in Divx encoding, but Athlon64s are competative in Xvid.

I thinkl my extremely oc'd bus helped my p4 2.4c@3.5 act a bit better then or equal to 3.6ghz p4 now.....

However looking at those test and knowing how in most apps I already score more then a 2.6 FX55 now with my bandwidth (296HTT and 533ddr) I would be as high in most of the test as the 3.8ghz p4 now.....Ofcourse that is my OC'd to there OC'd and I am sure if I got one of their chips I could push it to near 4ghz on good air cooling system....

Bottom line if you did a true apple to apple comparison (all same settings, same file, etc) and it was 33% slower then a 2.6ghz chips would only be 30% faster then your 3200+ (probably including the oc'd HTT bus) so it seems it would just equal it....

In everything else it would probably win and by a good margin....

 

[Duvie]

Originally posted by: kini62
http://www.tomshardware.com/cpu/20041220/index.html

Just one of many CPU comparisons on the net. Just Google it.

Correct part 2 link with video test!!!

According to this as well my 2.66ghz would do quite well against a p4 3.6-3.8ghz range....


Also looking back on some past Divx 5.1pro test and WMV 9.0 test my 2.66ghz now was slightly 3-5% faster then my 2.4@3.5ghz...It is mainly TMPGenc which is the most extremely HT aware I found that it was a bit slower. Main concept and Pinnacle in my test were about 10-15% faster with HT enabled so that fact the AMD64 does so well is good...probably also the fact many of these apps are SSE2 aware and the AMD64 does have that so it can help it out...

Then we will see when the venice core arrives with SSE3 how much more they will cut into lead...I think it will be shrinking here soon...

 

[fstime]

Ok duvie.

 

[Duvie]

Originally posted by: BouZouki
Ok duvie.

LOL...overzealous, huh???

I actually get excited about something I have tested since I usually cannot take part in your guys testing of games....

 

[fstime]

Originally posted by: Duvie

Originally posted by: BouZouki
Ok duvie.

LOL...overzealous, huh???

I actually get excited about something I have tested since I usually cannot take part in your guys testing of games....

 

[perdomot]

Thanks Duvie for the feedback. I am using Tmpeg so your advice hits close to home. The set up I plan on getting is the same one you have so hopefully I'll be able to get close to your numbers. Couple of questions: What ratio do you have the ram going at? What bios version are you using? What are your idle/load temps.

 

[Duvie]

I will PM you that info....

 

[AnandThenMan]

Make sure in TMPGEnc you set the thread priority NOT to go idle when the app loses focus. It makes a big difference.
...and stop pirating so many movies. (or move up to CCE it is much faster and at least as good.)