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The AMD Athlon 64 FX-60 was the first dual-core processor in AMD’s enthusiast FX desktop line. Launched in January 2006, it paired two 2.6 GHz cores with 1 MB of L2 cache per core on Socket 939. Its aim was to add the advantages of two cores without giving up much of the FX line’s strong single-threaded performance—but its premium launch price and the imminent switch to Socket AM2 made it a short-lived upgrade destination.
What was the Athlon 64 FX-60?
The FX-60 brought dual-core processing to AMD’s Athlon 64 FX series. AMD had already released dual-core Athlon 64 X2 processors; the FX-60 extended that approach to its high-end enthusiast badge. It was manufactured on a 90 nm process and used Socket 939.
| Specification | Athlon 64 FX-60 |
|---|---|
| Launch | January 2006 |
| Cores | 2 |
| Clock speed | 2.6 GHz per core |
| L2 cache | 1 MB per core; 2 MB total |
| Socket | Socket 939 |
| Manufacturing process | 90 nm |
Contemporary coverage presented the chip as AMD’s move toward high-end dual-core gaming. Ryan Shrout of PC Perspective described the reviewer’s understanding of AMD’s positioning as “we are ready for dual-core gaming”; that wording is the reviewer’s characterization, not a verified direct quotation from AMD. PC Perspective’s January 10, 2006 review includes the launch specifications and comparisons.
FX-60 vs. FX-57 and X2 4800+: which was faster?
There is no single answer without specifying the workload. The FX-60 traded some clock speed for a second core, so applications that could use multiple threads had more processing resources, while the FX-57 retained the highest clock of the three.
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| Processor | Cores | Clock speed | What the difference meant |
|---|---|---|---|
| Athlon 64 FX-57 | 1 | 2.8 GHz | Higher clock for work limited to one core. |
| Athlon 64 FX-60 | 2 | 2.6 GHz | Two cores, with a smaller clock gap from the FX-57 than many dual-core buyers might expect. |
| Athlon 64 X2 4800+ | 2 | 2.4 GHz | Two cores at a lower clock than the FX-60. |
In AnandTech’s January 9, 2006 launch review, single-threaded results were close enough that the FX-60’s 200 MHz-per-core deficit to the FX-57 did not make the expected difference in that review’s tests. Anand Lal Shimpi wrote, “With the Athlon 64 FX-60, that tradeoff is no longer true,” referring to the usual concern that moving to dual core meant sacrificing single-threaded performance. That is a conclusion about the review’s test context, not a guarantee for every application or game. AnandTech also characterized the FX-60’s gains over the X2 4800+ in desktop benchmarks as generally modest.
For work that could make use of more than one core—such as multitasking or threaded media encoding—the second core could help. For a game or application that relied mainly on one thread, the FX-57’s 2.8 GHz clock remained relevant. Period results should not be treated as universal rankings: software, operating system, and benchmark workload all affect which processor comes out ahead.
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What the documented benchmark does—and does not—show
SPEC published one CPU2006 CINT result for an FX-60 system: a SPECint_rate_base2006 score of 17.5. The Standard Performance Evaluation Corporation record lists a Shuttle SN25P, two 2600 MHz cores, 1 MB of cache per core, 2 GB of DDR400 memory, and SUSE Linux 10.1. AMD sponsored and performed the test in April 2006; SPEC published the result on August 24, 2006. The SPEC result record documents this specific configuration. It is a single system result, not a general processor ranking or a direct comparison with another CPU.
Could a Socket 939 owner upgrade beyond the FX-60?
Not to a later Socket 939 CPU beyond the FX-60, according to AnandTech’s launch conclusion. Socket AM2 was approaching and brought a platform transition to DDR2. As a result, buying an FX-60 as a final Socket 939 upgrade meant investing in a platform near the end of its CPU path rather than moving to the next generation. The socket and transition context were also covered in Ars Technica’s January 10, 2006 launch report.
For a retro-computing build, Socket 939 compatibility is still central: the motherboard must support the processor, and model-specific BIOS support should be checked before installation. The documented SPEC system paired the chip with a Shuttle SN25P and DDR400 memory, but that example does not establish compatibility for every Socket 939 board.
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What did the FX-60 cost at launch?
Ars Technica reported AMD’s launch price as $1,031 per CPU in quantities of 1,000. This was an enthusiast-tier historical price, not a present-day used-market estimate. Current listing availability, condition, seller reliability, and resale pricing are not established here.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Was the FX-60 a meaningful enthusiast upgrade?
In 2006, the FX-60 was notable because it brought two cores into AMD’s FX line while keeping performance in single-threaded tests close to the faster-clocked FX-57 in AnandTech’s review. Its appeal was therefore workload-dependent: more capable of handling concurrent or threaded work than a single-core FX-57, while the X2 4800+ offered a similar broad dual-core/cache design at a lower clock in the contemporary lineup.
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Its other defining feature was timing. Socket AM2 and DDR2 were near, which limited the appeal of spending heavily on a Socket 939 endpoint. For a period enthusiast already committed to Socket 939, the FX-60 represented a notable final CPU option; for a new system buyer, the platform transition was an important part of the decision.
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