Intel Pentium 4 Vs. Atom

Scali

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Dec 3, 2004
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Power hungry? Not really.
The most power hungry Pentium 4/Ds released were rated at 130W TDP.
Intel's top CPUs are still rated at about 130W TDP, AMD's fastest Phenom X4 is even 140W TDP.

Sure, you get a lot more performance for that power these days... but they're not using any less.

I'm not sure what the relevance of this comparison is though... Yes, Atom is quite energy-efficient, but as you can see, the Pentium 4s are still a lot faster in most tests, despite only having one core.
 
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EarthwormJim

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Oct 15, 2003
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Atom is clock per clock pretty close to a Pentium 4 (maybe atom is slightly faster due to hyperthreading, not all P4 have HT). I went from a Pentium 4m 2ghz laptop to my netbook with a 1.6ghz atom. They felt about the same. Maybe the netbook was slightly faster due to more ram and a newer hard drive.
 

evolucion8

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Jun 17, 2005
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Power hungry? Not really.
The most power hungry Pentium 4/Ds released were rated at 130W TDP.
Intel's top CPUs are still rated at about 130W TDP, AMD's fastest Phenom X6 is even 140W TDP.

Totally wrong, only the first Phenom II X4 965 first stepping and the old ass Phenom 9950 were 140W, there's no AMD X6 processor rated to 140W.

Atom is clock per clock pretty close to a Pentium 4 (maybe atom is slightly faster due to hyperthreading, not all P4 have HT). I went from a Pentium 4m 2ghz laptop to my netbook with a 1.6ghz atom. They felt about the same. Maybe the netbook was slightly faster due to more ram and a newer hard drive.

They cannot be compared directly, the Pentium 4 is an out or order processor which will be far more responsive than any Atom which is an in order processor. Pentium 4 used to shine better with higher clocks. I can't see any Atom sistem able to play flash without slowing down to a crawl...
 

IntelUser2000

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Oct 14, 2003
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They cannot be compared directly, the Pentium 4 is an out or order processor which will be far more responsive than any Atom which is an in order processor. Pentium 4 used to shine better with higher clocks. I can't see any Atom sistem able to play flash without slowing down to a crawl...

HD Flash? One of my friend has a Pentium 4 3.0GHz system based on the Prescott core. It can't play 720p Youtube videos without significant stuttering.
 

EarthwormJim

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Oct 15, 2003
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Totally wrong, only the first Phenom II X4 965 first stepping and the old ass Phenom 9950 were 140W, there's no AMD X6 processor rated to 140W.



They cannot be compared directly, the Pentium 4 is an out or order processor which will be far more responsive than any Atom which is an in order processor. Pentium 4 used to shine better with higher clocks. I can't see any Atom sistem able to play flash without slowing down to a crawl...

I said clock for clock. If you look at the link originally posted, the benchmarks pretty much follow this. Atom also has more bandwidth to help make up for the in order handicap.

I'm not really understanding how you're concluding that out of order vs in order leads to more responsiveness despite both CPUs benchmarking the same. Work being done just as fast is work being done just as fast...
 
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evolucion8

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Jun 17, 2005
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HD Flash? One of my friend has a Pentium 4 3.0GHz system based on the Prescott core. It can't play 720p Youtube videos without significant stuttering.

Well, I never had any problems with HD playback with my lousy Pentium 4 3.40GHz, albeit I had an HD 2600PRO. Heck, even my laptop was able to play a 8.2GB x264 1080P movie without significant suttering, it did once in a while, like every 30 seconds, but not bad considering its old technology.

I said clock for clock. If you look at the link originally posted, the benchmarks pretty much follow this. Atom also has more bandwidth to help make up for the in order handicap.

I'm not really understanding how you're concluding that out of order vs in order leads to more responsiveness despite both CPUs benchmarking the same. Work being done just as fast is work being done just as fast...

Benchmarks and real scenarios are totally different. An out of order Atom would show even better results that are posted there. A Dual Core Athlon 64 smokes a Pentium 4, why an Atom Dual Core doesn't smoke it, it only outperforms it, doesn't smoke it like a real Dual Core processor like Pentium E series or Athlon X2. (Dual Core Atoms are just too crippled to call them Real Dual Cores, they're like cheesy Dual cores for me, :) )

What Tom's Hardware shows is that, in branchy/dynamic/Non linear code, Atom is faster than a Pentium 4 thanks to its shallow execution pipeline, but in linear code like video encoding, the Pentium 4 is faster, Netburst architecture always has been very bad for general purpose code that requires lots of loops, subroutines and branches, that's why in such scenarios like Office, Athlon 64 was considerably faster overall. But in Handbrake, the Atom being faster than the Pentium 4 might be because of more optimizations like SSE3/SSE4/etc instructions, the Pentium 4 used in that review is only SSE2, but God only knows....

QUOTE from the Tom's hardware review:

"Performance? Don’t Expect Too Much

Performance-wise, there are benchmarks in which the old Pentium 4 still does well. This applies to workloads that haven’t been multi-threaded or coded to take advantage of newer instruction set enhancements, such as SSE3. All others, though, run much faster on the dual-core Atom D510, mostly thanks to its second processing core. The performance difference is glaring.

Note that all of the test systems deliver rather limited performance if you compare them to a modern PC based on an AMD Athlon II, Phenom II, or Intel’s Core i3/i5/i7. We’re clearly talking about entry-level performance in this article. "
 
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21stHermit

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Dec 16, 2003
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I'm not sure what the relevance of this comparison is though... Yes, Atom is quite energy-efficient, but as you can see, the Pentium 4s are still a lot faster in most tests, despite only having one core.
You clearly didn't read the test results I read. Only in a few single threaded apps was the 3.2GHz P4 able to beat the 1.6GHz D510. In all multi-threaded tests the D510 won handily and at a fraction of the power.

I used a Atom 330 as my primary PC for most of last year, it was very impressive.
 

sxr7171

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Jun 21, 2002
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some interesting benchmarks pitching Atom x2 vs the lousy P4s:
http://www.tomshardware.com/reviews/atom-d510-pentium-4-nettop,2649.html

not currently relevant to anyone today but interesting to see how power hungry P4s are by today's standards.

Ha Ha. I bought a Williamette in 2002. I don't think there is any need for further explanation other than to state that in the winter my heater didn't need to work so hard anymore. Also that computer should have shipped with ear plugs.

Now I have this Vaio X and the thing is thinner than my cell phone and I never hear the fan (well sometimes rarely I do).
 

fuzzymath10

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Feb 17, 2010
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My parents have been running a P4 1.8A since 2002 (when it was actually amazing). It feels quite a bit slower than my Dell Mini 9 netbook in all situations even with a good hard drive and enough memory and the same OS (W7 Pro). Now I got them an E7300 it's a completely different story except for video. It's amusing to see the P4 with a Geforce 6600 GT run 3d benches and games better than the E7300 with GMA 3100 :)
 
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The D510 seems like a capable performer. Maybe I should be switching my parents Athlon 64 3500+ (Venice, OC to 2.3ghz) to an Atom 510. Would it be worth if if they just played games on POGO.com and use facebook and what not? Video is fine with a x1650 512mb.
 

richierich1212

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Jul 5, 2002
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The D510 seems like a capable performer. Maybe I should be switching my parents Athlon 64 3500+ (Venice, OC to 2.3ghz) to an Atom 510. Would it be worth if if they just played games on POGO.com and use facebook and what not? Video is fine with a x1650 512mb.

Probably better off trying to get in on one of the cheap Frys/MC deals, ex. AMD 250 + mobo for $60, unless your parents already have an itx setup.
 
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SonicIce

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Apr 12, 2004
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how can the atom D510 being dual core be over twice as fast as the atom 230? and the clock speed is nearly the same.
 

ShawnD1

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May 24, 2003
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The D510 seems like a capable performer. Maybe I should be switching my parents Athlon 64 3500+ (Venice, OC to 2.3ghz) to an Atom 510. Would it be worth if if they just played games on POGO.com and use facebook and what not? Video is fine with a x1650 512mb.

Seems like a waste of money. The Athlon64 and X1650 are probably a hell of a lot faster. If you're concerned about power consumption, set their computer to go into sleep mode after 5 minutes and not require a password on wakeup.

I did that to my parents computers for the sake of power saving since they don't even use the computer for 99% of the day (play freecell for a couple hours and that's it). It really couldn't be simpler. They never need to turn the computer off; just walk away and the thing goes to sleep after 5 minutes. Hit any button on the keyboard and it wakes up without asking for a password. Make sure you set it to turn off the monitor some time before it goes to sleep just so they have some warning that it's about to go to sleep and they can move the mouse to stop it.

My movie computer works this way as well. To offset the ridiculous overclocking, the screen turns off after 1 minute and the computer sleeps after 5.