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AMD Athlon II X4 620 & 630: The First $99 Quad Core CPU
AMD Athlon II X4 620 & 630: The First $99 Quad Core CPU
Date: September 16th, 2009
Topic: CPU & Chipset
Manufacturer: AMD
Author: Anand Lal Shimpi
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DivX 8.5.3 with Xmpeg 5.0.3

Our DivX test is the same DivX / XMpeg 5.03 test we've run for the past few years now, the 1080p source file is encoded using the unconstrained DivX profile, quality/performance is set balanced at 5 and enhanced multithreading is enabled:

DivX 6.8.5 w/ Xmpeg 5.0.3 - MPEG-2 to DivX Transcode

Four cores and you're good to go with video encoding. The Athlon II X4s are faster than the Q8200 and even the Phenom II X3 720. Intel doesn't have anything that offers better performance at $99 from a video encoding standpoint.

x264 HD Video Encoding Performance

Graysky's x264 HD test uses the publicly available x264 codec (open source implementation of H.264) to encode a 4Mbps 720p MPEG-2 source. The focus here is on quality rather than speed, thus the benchmark uses a 2-pass encode and reports the average frame rate in each pass.

x264 HD Encode Benchmark - 720p MPEG-2 to x264 Transcode

The Athlon II X4 continues to beat up on more expensive chips. The Q8200 and the E7500 don't stand a chance. Only the Phenom II X4 and Core i5 are faster.

x264 HD Encode Benchmark - 720p MPEG-2 to x264 Transcode

The Core 2 Quad Q8200 is only able to match the Athlon II X4 620 in performance here. While I'm used to writing that AMD needs to adjust prices downward, here the pressure falls on Intel.

Windows Media Encoder 9 x64 Advanced Profile

In order to be codec agnostic we've got a Windows Media Encoder benchmark looking at the same sort of thing we've been doing in the DivX and x264 tests, but using WME instead.

Windows Media Encoder 9 x64 - Advanced Profile Transcode

The Athlon II X4s round up our video encoding tests in the lead. At $99 you can't buy a better quad-core processor, or even dual-core for that matter if you're going to be encoding video.

3D Rendering Performance   Next Page

 
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146 Comments - Last by Archer0915, 56 days ago
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Now we have a cheap Quad Core!! by Lunyone, 65 days ago
Finally we have quad cores at about $100!! Hope that this will spur on better pricing on all fronts! Go AMD, we need the competition to drive down better pricing. Now only if you would drop down the PhII x4 955/965 pricing to compete better with the i5 750!!

Reply
RE: Now we have a cheap Quad Core!! by thezorro, 65 days ago
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 speed
Is unfair to present the results this way, turbo is overclocking.

Reply
RE: Now we have a cheap Quad Core!! by Chlorus, 65 days ago
"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 speed
Is unfair to present the results this way, turbo is overclocking. "

Its not overclocking if ITS ON BY DEFAULT, you worthless troll.

Reply
RE: Now we have a cheap Quad Core!! by smn198, 65 days ago
[quote][It] is unfair to present the results this way, turbo is overclocking[/quote]

I think we need to review our definition of overclocking. For years both Intel and AMD, have varied processors' speed and voltage based on temperature and workload. Intel has now changed how they are doing this. Using two cores your processor runs at one speed and using all four, it runs at another. As this is how Intel is selling the CPU I'd argue that this isn't overclocking as by definition, this is running at a frequency beyond spec. Therefore it is a perfectly fair way to present the results.

Reply
RE: Now we have a cheap Quad Core!! by thezorro, 65 days ago
i'm going to stay here saying the same until hell freezes.
i'm not going to accept overclocked results presented as if they were stock results.
this is a casus belli.
i mean it.


Reply
RE: Now we have a cheap Quad Core!! by SlyNine, 65 days ago
lol You will make your own little universe in your mind. okay lol.

Overclocking. Lets see. Over, meaning above normal. Well since the post turbo mode clock is perfectly normal. Its not OVER clocking.

Reply
Turbo != Overclock by vol7ron, 65 days ago
Just because the clock rate is variable, does not mean it's [over/under]clocking. It just means the speeds change. In fact, even when you are running at stock speeds, the clock rate will vary - that is why you see 3.541 3.500 3.489

To complain it's not a fair comparison, he's kind of right, but not for the right reason. It's as if he's in AMDs defense, rather than their scrutiny. Instead of comparing peaches-to-peaches, now you're comparing nectarines-to-peaches and there's two ways to look as this glass: Intel is turbo-ing during fewer threads, or Intel is decelerating in multithreaded situations; both have the same effect. (They're either trying to give you more bang for the buck, or they put out a bad product that only works half the time)

The end result, though, AMD doesn't do this on the fly. Sure you could test it at different clock speeds, but you could also overclock the i7 to something faster (and you might be back at square one).

Reply
RE: Now we have a cheap Quad Core!! by rennya, 65 days ago
Overclocking is not the same as turbo mode.

Overclocking voids your warranty, whether you use Intel or AMD CPUs.

Turbo mode doesn't void warranty because it is a valid feature.

Reply
RE: Now we have a cheap Quad Core!! by philosofa, 65 days ago
Can someone please ban this moron, and the others (who ironically I assume are on AMD's payroll?). Their lack of an understanding of the most basic logic is making me feel ill.

Good Review though, just really want Bulldozer to come out!

Reply
RE: Now we have a cheap Quad Core!! by bupkus, 65 days ago
"Their lack of an understanding of the most basic logic is making me feel ill."

Take a Tums; we're not interested.

Reply
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