Athlon64 kills P4 in Doom III

[Spitfire_x86]

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[Mr5oh]

Thats very interesting, and being pro-AMD, its good, <b>but</b>, whats up with the test.

Wondering why the 2500+ XP chip beat the 2700+ and 2800+ chips. Also I expected the 2800+ XP chip to do better than the 2700+ mainly due to the 2800's increased L2 cache.

Anyways, what'd you expect?

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[phial]

<A HREF="http://www.anandtech.com/cpuchipsets/showdoc.aspx?i=2149&p=7" target="_new">LOL</A>


1.8ghz K8 SEMPRON (AMD version of the Celeron) beats the 3.2C.


owned!!!!

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[phial]

one thing ill note that will make Kenavit happy is how suprisingly the Prescott is faster than the Northwood. but this is an exclusive thing to Doom3, just about every other situation/game is the opposite


VERY interesting link


man i cant wait until A64's scale up to 2.6ghz+. all those in that review were 2.2ghz. it wont be that long either

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[phial]

Wondering why the 2500+ XP chip beat the 2700+ and 2800+ chips. Also I expected the 2800+ XP chip to do better than the 2700+ mainly due to the 2800's increased L2 cache.

the 2500+ has 512kb cache, the 2700+ has 256kb. dont knwo about the 2800+ tho, i thought they were all 512kb L2, except some very early models



its also nice to know that my $140 Barton @ 2.5ghz will probably be on par or a tad faster than a 3.4ghz Northwood

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[ChipDeath]

I get more and more sure that my next rig will be an A64-based one...

What I find more interesting is the comparison of the 2 Semprons & the Celeron - the improvement from the on-die memory controller is incredible!

The performance of the ol' t-bred chips (like mine :frown: )is pretty lame though. Looks like I might have to overclock mine back up somewhat for DoomIII, even though I'll be primarily limited by my 9800Pro.....

I can hear Kanavit running here to gloat about his prescott actually being faster than a Northwood for <i>something</i> :lol:

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[Spitfire_x86]

man i cant wait until A64's scale up to 2.6ghz+. all those in that review were 2.2ghz. it wont be that long either

They had two 2.4 GHz A64s there (FX53 and 3800+)

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[phial]

oh yea

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[TheRod]

And no one mantion it yet, but Quake 3 based games were faster with P4 based system.

So, this new id engine is no more favoring the Intel platform. This means that in the next years most (even all) games based on the Doom 3 engine will be faster on the AMD K8 Architecture. This confirm to me what will be my next CPU, an Athlon 64.

AMD really gave their CPU one of the best thing ever done in CPU architecture : ON-DIE MEMORY CONTROLLER! At first, this feature looked a bit weird, since the memory controller performance would be tied up to AMD cpu revision! But, this really pay off. Even the slowest K8 (Sempron 3100+) really shines, this look very promising and this leave Intel buyer with only one thing : HT. And this feature is only good in some situation...

It's very interesting to see that the K8 architecture is getting better with the time (like a good red wine).

<b>Intel, please wake up and fight!</b>

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[P4Man]

>And no one mantion it yet, but Quake 3 based games were
>faster with P4 based system.

Q3 was, but for instance, RTCW which was based on the same engine, was considerably faster on Athlon than P4 for some reason.

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[phial]

And no one mantion it yet, but Quake 3 based games were faster with P4 based system

Q3 loves memory bandwidth, something that AMD chips lacked before .. not that they really needed them, it was just a quirk of the game engine


Doom3 also loves memory bandwidth, but A64's have tons of that now (and at a MUCH reduced latency as well)

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[Nights_L]

LONG LIVE AMD!!!!
:lol:

 

[Nights_L]

Wondering why the 2500+ XP chip beat the 2700+ and 2800+ chips. Also I expected the 2800+ XP chip to do better than the 2700+ mainly due to the 2800's increased L2 cache.

Could it be memory bandwidth?
I got a xp2700+, I've tried difference clock speed just by changing multiplier, but for some reason, at 166x11=1833MHz, it has <b>greatest</b> bandwidth efficiency <i>(tested using AIDA32, the memory read benchmark)</i>
and the order goes like this
93% efficience @ 1833MHz 166*11
90% efficience @ 2000MHz 166*12
87% efficience @ 1917MHz 166*11.5
89~90% effience@ 2166MHz 166*13
65% efficience @ 833MHz 166*5

all of them are based on 166FSB with memory@2.5/2/2/5, but why only at 1833MHz it has highest bandwidth? could it be a reason why 2500+ beat 2700+ and 2800+?

<P ID="edit"><FONT SIZE=-1><EM>Edited by Nights_L on 08/04/04 05:51 PM.</EM></FONT></P>

 

[slvr_phoenix]

Well this is definately one bandwidth hungry game. :O

<sarcasm hat> <i>Big surprise there.</i> </sarcasm hat>

One thing that did brighten my day though is that my P4C 2.6GHz beats an AXP3000+. Boy am I glad that I didn't go AMD when I bought my system a while back. :O Though It <i>would</i> be nice to have an A64 <i>now</i>. :\ Oh well. Too many more important things to spend money on at the moment. Oh for the days of being single and having a full wallet...

<pre><b><font color=red>"Build a man a fire and he's warm for the rest of the evening.
Set a man on fire and he's warm for the rest of his life." - Steve Taylor</font color=red></b></pre><p>

 

[Worf101]

Only thing worse than a Nvidia vs. ATI slugfest is an AMD vs. Intel donnybrook. And I thought Ford vs. Chevy was bad. Well, I got my sasparilla and I'm steppin' out of the line of fire. By the way, I'm running an FX-53 right now and waiting on my X800XT PE from Excaliber-HIS.

Da Worfster

If you don't stand for something, you'll fall for anything.

 

[error_911]

i like chinese

<b>and now for something completely different</b>
...<b><A HREF="http://www.bytethiscomputers.sytes.net/site/specs.html" target="_new">system specs</A></b>

 

[Cybercraig]

And this is a surprise to whom? :lol:

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[endyen]

The supprise is that an A64-3200+ would beat a P4EE 3.4. No, that's a major shock.

 

[Cybercraig]

We'll see shortly. I'm going head to head against a A64-3000 with my old OCZ memory in FarCry. The truth shall be known!

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[Johanthegnarler]

Although i like those results.. there will be ones favoring the EE p4's soon as well.

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[Kanavit]

i don't think i'm going to notice 5fps between AMD and intel . LOL!!

but i did make the right choice, my prescott is faster in doom3 than the northwood. Maybe because D3 is new and uses SSE3.

guys remember, Intel isn't as memory dependant as A64. If i got an A64 3400+, i had to find good ram which would be very expensive. The P4 isn't as dependant on memory timings as AMD chips. So , getting a 3.2e prescott was actually more effective, than finding a new A64 mobo, A64 cpu, and good low timing ram.

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60,823 Aquamarks <P ID="edit"><FONT SIZE=-1><EM>Edited by Kanavit on 08/04/04 11:30 PM.</EM></FONT></P>

 

[Nights_L]

from what I know, A64 doesn't need good low timing ram, due to its ondie memory controller no?
if that's the case, then I ccould say P4 is dependant on memory bandwidth? TheRod just posted a link that shows A64 does not even need DDR400 to run, even with DDR333/266, it could run at least 90% as fast as with DDR400
but you can't do that with P4? if you put dual channel 266 with a 800fsb P4, it's gonna break the P4?

and Prescott is faster than Northwood in D3 due to its larger cache..if i remember correctly what I read :tongue:

 

[scottchen]

You really have no idea what in the f*ck you're talking about... I'm glad you showed up in this thread though, just to review your stupidy to everybody.

P4 doesn't need low timing rams? you have go to be f*cking kidding me, well this comment isn't as bad as HT has immediate impact on performance from one of your other posts, that was hilarious i couldn't stop laughing.

And do you even know what SSE3 is?

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[scottchen]

Your brand loyalty is more annoying than Kinney's, and I didn't think that was possible.

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[P4Man]

> don't think i'm going to notice 5fps between AMD and intel
>. LOL!!

The difference is closer to 15 FPS. And if you don't notice that, maybe you'd notice $500 difference between two similary performing cpu's.

>but i did make the right choice, my prescott is faster in
>doom3 than the northwood.

LMAO, you werent going to notice 15 FPS, but you do care about 3.3 FPS ?

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