AMD Athlon II X4 620 & 630: The First $99 Quad Core CPU
by Anand Lal Shimpi on September 16, 2009 12:00 AM EST- Posted in
- CPUs
PAR2 Multithreaded Archive Recovery Performance
Par2 is an application used for reconstructing downloaded archives. It can generate parity data from a given archive and later use it to recover the archive
Chuchusoft took the source code of par2cmdline 0.4 and parallelized it using Intel’s Threading Building Blocks 2.1. The result is a version of par2cmdline that can spawn multiple threads to repair par2 archives. For this test we took a 708MB archive, corrupted nearly 60MB of it, and used the multithreaded par2cmdline to recover it. The scores reported are the repair and recover time in seconds.
Par2 is healthily threaded so the Athlon II X4s continue to do well here. The Q8200 inches by the 620, but for all intents and purposes it's the same speed as the $99 fighter from AMD.
WinRAR - Archive Creation
Our WinRAR test simply takes 300MB of files and compresses them into a single RAR archive using the application's default settings. We're not doing anything exotic here, just looking at the impact of CPU performance on creating an archive:
The roles are reversed here, and all of the AMD architectures prove faster than their similarly priced Intel alternatives.
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thezorro - Wednesday, September 16, 2009 - link
remember that the lynnfield core i7 750 has turbo overclocking enabled so is overclocked to 3.2 ghz, which is 600 mhz overclocking, while amd processors are running at stock speedIs unfair to present the results this way, turbo is overclocking.
Wivvix - Thursday, September 17, 2009 - link
Sorry but your logic fails. It is a feature of the i7 750, that it runs at slower speeds when idle, as to when the processor is under load.In the same way, fan speed RPM is automatically regulated depending on whether the process is idle or under load.
The maximum clock speed of an i7 750 is 3.2gh. The user doesn't have to change or do anything. This is not overclocking in the sense you purport, and is not unfair. That is the maximum clock speed of the processor out of the box. End of story.
kagenokurei - Wednesday, September 16, 2009 - link
im sorry, but i have to defend thezorro at least this time..overclocking's basic principle is to increase CPU speeds..but if u guys look into it, what u increase is the core clock(GHz,MHz,etc) beyond the factory released specs..voltage increases and other tweaks are only done to make the overclock stable..
now,in this light,i also find it quite unfair to compare the single threaded performance of the i7s with the PII X4s..simply because the i7s can run its single core at a higher clock when the others are idle..therefore,overclocking at least THAT core..w/c of course, the PII X4s are unable to do..
i agree that the Turbo mode is a good feature, and AMD should have something like it on their CPUs..until then, the Turbo mode is kind of an unfair advantage in benchmarking single threaded performance..
jonup - Wednesday, September 16, 2009 - link
Well the PII 965 is an overclocked to 3.4GHz, which is 600MHz overclocking of 920. It's unfair to present the results this way. The 965BE is so obviously OCed because it uses tons more power than the 920.fitten - Wednesday, September 16, 2009 - link
Bzzzt... wrong... when will you fanbois give this up? It's the normal and default behavior of the thing. You can do the academic discussion all you want but normal operation of the chips has Turbo enabled. To test any other way is to test a non-standard, non-default operating mode. You might as well test with the caches disabled or one or more cores disabled since those are all non-standard, non-default operating modes as well.maxxcool - Wednesday, September 16, 2009 - link
++ ding!Archangel59 - Wednesday, September 16, 2009 - link
I can see both sides of this where Turbo could be considered altering the "normal" operation and also where turbo could be considered just the way it works.Doesnt bother me either way that this is put in the article, still good news from AMD.
However, since the turbo mode could be considered a supplied feature of the chip... couldnt the use of AMD Overdrive be considered a supplied feature of the newer chips? Even if it couldnt, I'd still love to see an article comparing the turbo mode to a well set up AMD Overdrive profile.
Lunyone - Wednesday, September 16, 2009 - link
So what your saying is that the test are fair because AMD doesn't have this "turbo" mode, so all of the benchmarks are created equal?? So if the benchmarks had set up the 955/965 to 3.2 gHz (with unlocked multiplier) than you would have a favorable review??Lunyone - Wednesday, September 16, 2009 - link
Crap! I meant to say "aren't fair" in a couple of lines in my response :(SlyNine - Wednesday, September 16, 2009 - link
Turbo mode is not overclocking. Overclocking is clocking OVER factor speeds.If the CPU can increase the speed as a factory set speed. THAT IS NOT OVERCLOCKING, so get over it.
On the other hand. Go AMD. I'm still awaiting the big Core I7 killer. comon AMD you can do it.