AMD's Winter Update: Athlon II X3 455, Phenom II X2 565 and Phenom II X6 1100T
by Anand Lal Shimpi on December 7, 2010 12:01 AM EST- Posted in
- CPUs
- AMD
- Phenom II X6
- Athlon II
- Phenom II
Final Words
As a speed bump, today's launch doesn't really change anything. The Athlon II X3 455 continues to be the best buy at under $90, picking up where the 450 left off. Intel hasn't updated the Pentium G6950 since its release nor has it dropped the price of the Core i3 530, leaving AMD with a much better option across the board. If you are lucky enough to get a fourth working core on your X3, well, you can't get better than that.
The Phenom II X6 1100T at $265 is near the sweet spot for price/performance, and I'd say the 1090T at $235 is probably right at it. In many cases you get Lynnfield-like performance and in heavily threaded apps there's no comparison. Single threaded performance is still an Intel advantage, however the gap is narrowing. When the Phenom II X6 launched its price limited it to those users who needed tons of threads, the recent price drops have expanded its appeal.
The Phenom II X2 565 BE is interesting only as a potential triple or quad-core part. Unfortunately it's a risky proposition. Our 565 BE sample only had one functional albeit disabled core, the fourth core was pretty much dead. If you can get a part with four working cores, the 565 BE is a great value. Even with three working cores it's good, but neither of these two outcomes is guaranteed.
I'd say that's the wrapup in order of success. The Athlon II X3 is an easy win, the Phenom II X6 ranges from competitive with Lynnfield to a great value and the Phenom II X2 is a nice chip to tweak but uninspired at stock.
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Finally - Tuesday, December 7, 2010 - link
one thing is missing.I'm much less interested in overclocking than I am interested in undervolting.
3 Weeks ago I bought two Phenom II X2 555 BE C3s for my girlfriend's new PC and mine - and guess what? Both unlocked to quad-cores easily. I was even able to lower the CPU voltage from 1.251V to a mere 1.141V. As a power consumption-meter is on its way to me, I will be able to report power saving numbers, if anyone is interested.
All this 4-core-goodness I got for a mere 75€ a pop.
If that's not great performance for an unbeatable price I don't know what is...
chrnochime - Wednesday, December 8, 2010 - link
And like was mentioned in the article it's not guaranteed that whoever buys the 555/565 BE would be able to unlock the other two cores and run them just fine without instability.When it's a gamble and not 100% success rate, people who value their time and not wanting to return CPUs and getting another to test tend to either go down to the cheaper x3 or pay a bit more for the i3.
ajp_anton - Tuesday, December 7, 2010 - link
I noticed you're using the x264 pass1 test for load power consumption.Is this really a good choise? All cores aren't maxed out in this test. This is obvious when knowing what x264 is actually doing in pass1 versus pass2, and comparing the speeds confirm this.
In pass2, all Phenom II's (x2, x4, x6) have exactly the same speed per core per GHz.
In pass1, the speed bumps are far from the nice linear scaling in pass2. The x6 is only twice (2.13x) as fast as the x2, so almost two cores are idle.
Anand Lal Shimpi - Tuesday, December 7, 2010 - link
You'll see this change in the next month when we revamp our Bench suite :)Take care,
Anand
nitrousoxide - Tuesday, December 7, 2010 - link
Yeah, expecting that. I don't quite understand why putting the stupid sysmark on the test...it just can't tell any difference between processors with different performance :)iwodo - Tuesday, December 7, 2010 - link
There are rumours floating around that Intel is gonna make BIG price cut soon for holiday season due to lower then expected demand, clearing stocks for Sandy Bridge, as well as more people buying iPad then PCs.SandyBridge will be a top to bottom chip, leaving Current Nehalem for Servers. ( Which is doing VERY well in that area )
Some of the performance data are already leaked, the only things that is left is on the GPU side as well as Official benchmarks.
yuriylsh - Tuesday, December 7, 2010 - link
just got a notification from Micro Center about $80 instant savings on i7-950, which means $200 for 3GHz Core i7 - not a bad deal. Is it starting?RyuDeshi - Wednesday, December 8, 2010 - link
MicroCenter has been selling the 950 for $199 for a long time now. It has been on SlickDeals front page many times.. They just do that to get traffic to their store, then try to sell you everything else you don't need.jaydee - Tuesday, December 7, 2010 - link
The Phenom II X2 565 is 18% (idle) and 23% (load) more efficient than the Phenom II X2 555?MrSpadge - Tuesday, December 7, 2010 - link
The board has changed to a much more efficient one. It's approximately a constant offset between both configurations, as evidenced by the differences in idle numbers.MrS