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AMD Phenom II X6 1075T/X4 970/X2 560 and Athlon II X4 645

Posted September 21, 2010 by Jake in CPU & Motherboards







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by Jake
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Specifications and Pricing

The new chips introduced by AMD are essentially things we’ve seen before, but are clocked up a little bit.  AMD’s last few chip refreshes, despite not offering massive increases in stock performance, have been able to clock higher and higher with some extra voltage and decent cooling.

New chips (Clock Speed / Wattage / Estimated Price) in US Dollars:

  • Phenom II X6 1075T (3GHz w/ 3.5GHz Turbo @ 125W) ~ $245
  • Phenom II X4 970 (3.5GHz @125W) ~ $185
  • Phenom II X2 560 (3.3GHz @ 80W) ~ $105
  • Athlon II X4 645 (3.1GHz @ 95W) ~ $122
  • Athlon II X3 450 (3.2GHz @ 95W) ~ $87
  • Athlon II X2 265 (3.3GHz @ 65W) ~ $76

From their predecessors, they gain 100MHz, except for the 1075T, which is 200MHz faster than the 1055T, and is intended to fill out the lineup rather than replace a chip. Other than the incremental change, the cache levels remain the same, with 512KB L2 per core (except for the Athlon II X2 265 with 1MB/core), and 6MB L3 cache for the Phenom CPUs.

Slight process improvements should allow these chips to overclock beyond the limits of the chips they are improvements of. Not all are replacements, as the Phenom II X4 965 will live on, as well as the Phenom II X2 555. 

A few notes about the new processors: the X6 is still the only processor line with a Turbo Core feature (clocks down 3 cores and gives the other three a 500MHz boost while on stock clocks), and the other processors are all native quad core based processors, not Thuban based, so there will be no core unlocking to an X6. The Zosma quad cores, which are based off Thuban, are available only through OEM channels, and we’ve not heard anything from AMD that indicates that Zosma will be available as a stand alone processor through the retail channel. The other dual and quad core chips, though, aside from the Athlon II X2 series, should be capable of unlocking, but it is a chance game.

Intel has recently released a second Gulftown hex-core, but it is $900, and an entire AMD system can be built for as much, and unless you are a benchmark fiend or are building a high-end workstation, it’s highly unlikely that you’d notice the difference.

Below are CPU-Z screenshots of each CPU we’ve got for testing today.

First up, the quad core Athlon II X4 645 at stock:

Next, the Phenom II chips. Here we see the dual core Phenom II X2 560 at stock:

The quad core Phenom II X4 970 BE at stock:

And lastly, the hexa core Phenom II X6 1075T:

With that said, let’s get these chips juiced up.

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