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Forums - Gaming Discussion - My XBox 360 vs PS3 comparison (mostly technical)

Caey said:
My XBox 360 vs PS3 comparison (mostly technical)

Where's the technical part? Don't get me wrong but this is just how a PR-spokesman would look at the technical part(and even then).
It is hard enough comparing 2 with only a difference in frequency, two architectures is already a lot harder and if they are from different manifacturers you end up with conclusions bases on assupmtions.

You are comparing 2 just different consoles, that's just insane.

 You summed up everything right there



Leo-j said: If a dvd for a pc game holds what? Crysis at 3000p or something, why in the world cant a blu-ray disc do the same?

ssj12 said: Player specific decoders are nothing more than specialized GPUs. Gran Turismo is the trust driving simulator of them all. 

"Why do they call it the xbox 360? Because when you see it, you'll turn 360 degrees and walk away" 

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Saiyar said:
ckmlb said:
bugmenot said:
In regards to RAM, you forget that Sony requires 74 MB (I think of the Cell accessible half) to be reserved for OS and other background Ops, where as Microsoft only requires 40MB. This makes a memory difference.


Is this the latest number? I know that with every big update, the PS3 number is being reduced thus making this less and less of a factor. If you could tell me if this is the current number or the one at the PS3's launch then that would help in comparing.


The latest numbers were 52mb for the PS3 OS (as of 1.8, no idea if 1.9 reduced it further) and 20mb for the 360.


 I think you got the number wrong. It used to be 90MB, and a recent update lowered it into the 70s.360 was 40MB at the start. I don't know if it's changed since then.



@ sieanr

The SPEs are mostly responsible for the flop performance, so the PPE is not going to make up for the disabled SPE and the one


Yes, mostly but the peak performance of the PPE + VMX equals one SPE. The theoretical peak performance of the Cell minus one SPE is 218 GFLops.

Flop performance is by no means the be all end all of CPU benchmarking


It's just one of the more objective benchmarks available.



Naughty Dog: "At Naughty Dog, we're pretty sure we should be able to see leaps between games on the PS3 that are even bigger than they were on the PS2."

PS3 vs 360 sales

@ sieanr

Is this a fucking joke?


No, it's not. This was told to me by IBM technical experts. I have been to IBM presentations.

Note IBM produces both Xenon and Cell chips. I understand you may not like the facts if you are a XBox 360 fan...



Naughty Dog: "At Naughty Dog, we're pretty sure we should be able to see leaps between games on the PS3 that are even bigger than they were on the PS2."

PS3 vs 360 sales

MikeB said:

I understand you may not like the facts if you are a XBox 360 fan...

Ad hominem.  We are not amused.



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MikeB said: I understand you may not like the facts if you are a XBox 360 fan...

Hahahaha

Sorry you pull shit out of your ass to try and make the PS3 seem better. Power doesn't mean shit for sales or success of a console.


Leo-j said: If a dvd for a pc game holds what? Crysis at 3000p or something, why in the world cant a blu-ray disc do the same?

ssj12 said: Player specific decoders are nothing more than specialized GPUs. Gran Turismo is the trust driving simulator of them all. 

"Why do they call it the xbox 360? Because when you see it, you'll turn 360 degrees and walk away" 

MikeB said:
@ sieanr

Is this a fucking joke?


No, it's not. This was told to me by IBM technical experts. I have been to IBM presentations.

Note IBM produces both Xenon and Cell chips. I understand you may not like the facts if you are a XBox 360 fan...

Hmmmph... IBM engineers. IBM doesn't even own the rights to the 360 chip, MS owns it (though IBM designed it).

Cell is also IBM's new baby. Of course the engineers aren't going to talk up their new pet project that the company has billions invested in.

Seriously, just give up. You're just trying to show the 360 in every negative light possible. There's absolutely nothing objective about this thread or any of your posts in it.

It's threads like this one that make me want to hate the PS3, even though I own one. The stupid fanboy ratio in the Sony camp is off the charts compared to MS or Nintendo owners.




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Mikael Haglund, technical specialist of IBM Sweden at an Amiga event. Educating the Amiga community on the Cell processor. (Picture taken by me in 2005)



Naughty Dog: "At Naughty Dog, we're pretty sure we should be able to see leaps between games on the PS3 that are even bigger than they were on the PS2."

PS3 vs 360 sales

where do you get the media going out and bashing the ps3, the only place i see that is online, and especially when being compared to the wii.

I do remember good morning America however telling us “do not buy the xbox 360” this was due to rrod this summer, did not effect sales though.

Your point about world wide sales… well you have japan, the ps3 is being out sold in the European region and the American region. Also consider that the ps3 was majorly over tracked last month, and has been for 2 prior months. The 360 was minorly under tracked.

As for theoretical peak potential, it will never be reached on either system, it is also looking like the PS3 real world potential is going to be lower % of peak.

Being a mac user form the power pc era, I do know that if they work at it they can get very close to full use of theoretical processing power, the big problem is NIETHER console has enough ram to do it. The xbox 360 would need up to 4 gig of ram, and the ps3 twice that, look at theoretical bandwidth max you listed.

In either case, we have no idea right now which console has the higher real world performance wait 3 years to see this

Also a problem with splitting ram, when a cpu has to share ram from two different types it has to lean on the controller bus, this lowers bandwidth to that of the slowest part, so if the ps3 uses the slower ram for the cpu, the other ram will run at a slower clock. This is why real computers do not barrow ram form the graphics card, it slows every thing down.

So your conclusion there is wrong, if the cpu uses the slower ram, the xbox would at worst tie, simply because it is using less recourses to move data through to the cpu.

For example in console history look at the sega Saturn, it had the higher theoretical performance, and higher ram performance. Unfortunately the Saturn never even got close to its full use. you can wiki that to read about it.

Back to theoretical peak, even more than ram its in the programmers hands. They have to use the spe, and use the ram layout to their advantage. Multi parallel coding is hard, using ppe’s is much harder. A tech like spe, that is in powerpc past is altivec, this if programmed right gave power pc chips 2 to 4 times the performance of chips with out it at the same clock. You can see this in photoshop on the mac cs2 and before, and to a better extent in final cut. With out using this feature much like the spe’s the processor would have a much lower achievement rate of theoretical max potential.

To illustrate, my tower a g5 dual 2 with 6 gig of ram that is 4 years old, can out perform, in photoshop and video rendering a 2.4 intel core 2 extreme with 2 gig of ram.



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MikeB said:
Mikael Haglund, technical specialist of IBM Sweden at an Amiga event. Educating the Amiga community on the Cell processor. (Picture taken by me in 2005)


Way to whip out the e-penis with corresponding imagery to complement it.

I am now dumber having contributed to this thread.




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