Core2Duo V.S. AMD X2

[Mark620]

How does the AMD X2 chips stak up against the Intel Core 2 Duo?

[Jon]

I have an E4300@2.7GHz and an E6300@3GHz. Both are more than twice as fast as my X2 3800+@2.GHz.

[harlam357]

This is true, mostly on big WUs and SMP... on regular gromacs I don't believe they outshine AMD as much... but they'll still faster.

Just wait you Intel heads... just you wait till I can afford a dual Barcelona rig... yeah, then you'll see. :D

[WarriorII]

For Folding, they don't.

[dz_jad]

How does the AMD X2 chips stak up against the Intel Core 2 Duo?
like pancakes.
Yeah, I'm folding GPU....the X2 really sucks.

[brakezone]

what would an X2 at 2.5ghz put out PPD approx if using SMP client?

I had been folding on my 3.3ghz c2d and i have a single core amd 64 system that i ordered an X2 to fold on, so i could run smp on it.

[7im]

See for yourself, at a relatively low speed C2D, and relatively high speed X2.

http://fahinfo.org/images/fcf/c2dvx2.png

See also http://fahinfo.org and use the Buyers Guide Tool to make comparison charts.

[harlam357]

what would an X2 at 2.5ghz put out PPD approx if using SMP client?

I had been folding on my 3.3ghz c2d and i have a single core amd 64 system that i ordered an X2 to fold on, so i could run smp on it.

Native SMP @ 2.5GHz on a p2605 would net: ~1300ppd. But C2Ds produce much better. I'm just an AMD fanboi... call me what you will. :D

Below are the tpf for my X2 @ 2.53GHz on p2605.


[23:02:01] Completed 420000 out of 500000 steps (84 percent)
[23:21:23] Writing local files
[23:21:23] Completed 425000 out of 500000 steps (85 percent)
[23:40:46] Writing local files
[23:40:46] Completed 430000 out of 500000 steps (86 percent)
[00:00:10] Writing local files
[00:00:10] Completed 435000 out of 500000 steps (87 percent)

[THEnumber337]

Native SMP @ 2.5GHz on a p2605 would net: ~1300ppd. But C2Ds produce much better. I'm just an AMD fanboi... call me what you will. :D

Below are the tpf for my X2 @ 2.53GHz on p2605.


[23:02:01] Completed 420000 out of 500000 steps (84 percent)
[23:21:23] Writing local files
[23:21:23] Completed 425000 out of 500000 steps (85 percent)
[23:40:46] Writing local files
[23:40:46] Completed 430000 out of 500000 steps (86 percent)
[00:00:10] Writing local files
[00:00:10] Completed 435000 out of 500000 steps (87 percent)


Those TPF's on your X2 @ 2.53Ghz on p2605, I'm guessing that's native Linux SMP? Which Linux distro are you running?

My Opty at 2.7Ghz in VMware does about 21.5 min/frame. If I can get ~19min/frame going native Linux SMP then it would definitely be worth it.

[Silver]

First, I do not own an X2. For reference purposes the following.

My optie 165 at 2.8 on 2605 is roughly 18 minutes a frame.

One of my e6300s at 2.9 on 2605 is roughly 12.5 minutes a frame.

Optie was the last system built and I find the production, though not overwhelming, acceptable.

[benbaked]

My optie 165 at 2.8 on 2605 is roughly 18 minutes a frame.


Yeah I'm running about 21-22 mpf on my X2 @ 2.8 on a 2605, in vmware. A mac mini T7200 (2 ghz) at work is doing roughly 20 mpf on the same units in os x.

My stock 930 is currently taking 23 mpf on a 2652.

I'm just an AMD fanboi... call me what you will.

That's right brother, those AMD/DFI combos are hella fun to oc.

[brakezone]

Native SMP @ 2.5GHz on a p2605 would net: ~1300ppd. But C2Ds produce much better. I'm just an AMD fanboi... call me what you will.

That sounds great! Right now my c2d at 3.3 is doing about 2112 PPD. My amd 64 3000 @ 2.1 is doing very little. I would OC the system higher but the chip was pushed beyond 2.7ghz earlier in its life and now has grown very lazy. The motherboard is a DFI NF3-ultra D and is stable well beyond 300, so depending upon the multi of the X2 3800, and how cool it stays under an XP120.

So far i have like 8 really old systems at school crunching for me, and my main rig, plus an amd 64 system that is about to go X2 on wednesday.

[rantanamo]

Looking at Tom's Hardware and comparing prices, the AMDs are a little cheaper. I base this on their chart that put the X2 5000+ between the E6300 and E6400. I saw that and picked up a 5200+ for less than the E6400 to put in my AM2 motherboard. With the AMD price cuts coming up in less than 2 weeks, there will be an even better value. Plan to pick up an X2 6000+ for ~$200 if those cuts really happen. Intel would have to make significant price cuts to match that.

[harlam357]

Those TPF's on your X2 @ 2.53Ghz on p2605, I'm guessing that's native Linux SMP? Which Linux distro are you running?

My Opty at 2.7Ghz in VMware does about 21.5 min/frame. If I can get ~19min/frame going native Linux SMP then it would definitely be worth it.

Yes, native w/Ubuntu 6.06 Dapper Drake.

I gave up on VMWare... could never get the guest OS system clock to gell with the host OS system clock (I'm taking about time here). And... it just seemed soooo much slower. And I like having a few Linux boxes anyway.... I'm posting this on one right now. :D

That's right brother, those AMD/DFI combos are hella fun to oc.

wHen you'r AMD... yOu're AMD... 4 liFe. :beer:

The motherboard is a DFI NF3-ultra D and is stable well beyond 300, so depending upon the multi of the X2 3800, and how cool it stays under an XP120.

I believe that's a 10x multi, 2.0GHz. Just depends on the stepping really. I'd say 2.6GHz is easily attainable with that mobo... and possibly more depending on the chip. :thup:

[pik4chu]

Looking at Tom's Hardware and comparing prices, the AMDs are a little cheaper. I base this on their chart that put the X2 5000+ between the E6300 and E6400. I saw that and picked up a 5200+ for less than the E6400 to put in my AM2 motherboard. With the AMD price cuts coming up in less than 2 weeks, there will be an even better value. Plan to pick up an X2 6000+ for ~$200 if those cuts really happen. Intel would have to make significant price cuts to match that.
Or wait for like 6 weeks and get a faster proc for the same low price :confused:

[LandShark]

How does the AMD X2 chips stak up against the Intel Core 2 Duo?
even with $$/ppd in mind, the conroe will crush any AMD processor (at the moment, at least), period!! clock for clock, no comparison! for high speed clock, a conroe could hit 3+ghz a lot easier that a X2.

yes, I'm an Intel man! (so be sure to take it w/ a grain of salt!!) :D

Just wait you Intel heads... just you wait till I can afford a dual Barcelona rig... yeah, then you'll see. :D
and I'll have my Perny ready for you! :santa:

[harlam357]

and I'll have my Perny ready for you! :santa:

Penryn... sounds a lot like... ohhh, never mind... :bang head :D

[AlabamaCajun]

I'm just an AMD fanboi... call me what you will. :D

I resemble this remark. P4 and PIII were my last chipzilla purchases. I've just invested in two of the Brisbane 3600X2s with plans to take them up as close to 3.0 as I can :drool:. Some like to hot rod, some like to cruise. The AMD 4 banger Agena and Budapest are expected by Fall. Until then, I'll have fun with my cruisers and just enjoy watching you Conroe fans burn up points.

Fold on what you have!

[brakezone]

Well, I got my X2 3800 toledo. It does 1% smp unit in 25 minutes at 2.4ghz. The thing amazes me and is stable at 2.4 at 1.25-1.3v and seems stable at 2.7ghz at 1.4-1.45v; however, it gets REALLY hot under an XP120. Not sure why it gets so hot, even at low volts, under a pretty good heatsink. If the volts are correct, with great cooling this thing might be able to do 3ghz.

[dmatko]

ive noticed its not the volts that heat it up, but the FSB increase. only way i tested it is through OCing my 3700 newark in my 754 rig. i pumped it up to 1.5v and left it all stock 2.4g, no temp increase. i dumbed it down to 1.4v and hit 2.7g and BAM!!! temps went from 32c load with FAH to 38c.

[harlam357]

I agree dmatko (iffygo) ;) it's the speed and not the volts where I see the bump in temps on my A64s.

[brakezone]

I got my X2,

So far it is stable at 2.7ghz 1.3v and will boot at 3ghz 1.55v but is unstable.

at 270X10 2700mhz, 360mhz ram, i get about 23m pf under gentoo linux, stable branch build entirely with gcc flag -O3. It seems reasonably stable at 300X9 but i havn't run enough stability tests on that yet to know if it is 100% stable for folding. 2.8 would Definitely be doable if i could cool this thing more, it is a strange chip that will run high clocks on low voltages but kicks out massive heat.

The processor usage sticks to around 90% for both cpu's, any idea how to get it to stay at 100?

[rantanamo]

Or wait for like 6 weeks and get a faster proc for the same low price :confused:

needed one now. Burned up the other proc. The 5200+ is great so far. Now I'm looking for a cooler to see what I can do with it. Any recommendations? Don't want to tear anything up. Just something that runs smooth and cool and looks good too. Have plenty of room in a Temjin T-06.

[harlam357]

I got my X2,

So far it is stable at 2.7ghz 1.3v and will boot at 3ghz 1.55v but is unstable.

The processor usage sticks to around 90% for both cpu's, any idea how to get it to stay at 100?

That's a nice chip if indeed it is stable @ 2.7GHz w/1.3v. I'd leave it there. It will run like that for many, many, many years to come. And just FYI... I went from a 2.7GHz Opteron 170 to my newer Opteron 165 @ 2.9GHz. I really don't notice much of a difference at all in desktop speed / games / etc. Although Folding does get a bit of a boost. :thup:

If you're running SMP then no... it won't ever max both cpus, at least with the current client release.