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http://www.neoseeker.com/news/11318-amd-single-core-budget-sempron-x1-140-coming-soon/A new chip from AMD is coming out within the next two weeks. It is the Sempron X1 140 -- an inexpensive, single-core CPU that will be selling for around $60 USD or so.
Codenamed "Sargas", you can imagine the Sempron X1 140 as single-core variant of the 45nm Athlon II X2 that goes by the codename of "Regor." Because this CPU has one core turned off, it looks like there is chance that through using the Advanced Clock Calibration (ACC) feature on some motherboards' BIOS, you could conceivably unlock a functional second core.
The Sempron X1 140 runs at 2.7 GHz, with a TDP of 45W. It also has 128K of L1 cache, 1MB of L2 cache, and a dual-channel DDR2/DDR3 memory interface.
The Sempron x1 140 will be battling cheap Intel dual-cores, such as the Celeron E1400 (2.0GHz), which also sells around $60.