The company had to pay out $12.1 million to California residents who bought a high-end FX chip. The claim stated that because the FX series' cores shared common resources such as the FPU, AMD was falsely advertising its high core counts. In 2015, AMD was accused of falsely advertising the core count of its FX lineup. This led to better performance, but that came with the cost of even higher thermal output on the high end, which can be seen with the FX-9590, with its TDP rating of 220 watts. Updates to the architecture that came with the Piledriver revision allowed for higher clock speeds. This came at a great cost, however, as thermal efficiency was often worse than the previous generation of processors. In applications that benefitted from more threads, AMD SKUs typically pulled ahead.
AMD FX8350 SERIES
Most games also could not take advantage of the high core counts that the series provided. The floating-point performance was relatively poor due to a single shared FPU per module. The AMD FX line-up generally performed worse than its Intel competitors during its lifespan. With AMD only being responsible for 20% of consumer CPU sales in 2016, Intel continued to gain market share in the industry during the lifespan of the FX series. The Piledriver-based FX refresh in 2012 generally improved performance across the board by increasing clock speeds at similar power consumption levels, but Intel's Ivy Bridge architecture was available and provided much better performance per watt and total performance to consumers. The power consumption of the lineup, while not as poor as the Phenom II generation, was still worse than what Intel was providing at the time. In many single-threaded applications, it was worse than the previous generation of Phenom II microprocessors. Due to multiple cores sharing common resources, most tasks were substantially slower on the FX lineup than the Intel Sandy Bridge equivalent.
Upon launch, the FX series was met with criticism from reviewers. Unlike the majority of their Intel counterparts, FX chips offered no integrated graphics, a feature reserved for AMD's APU line of processors.īoth Zambezi and Vishera used a module design containing two cores on one module. All models support up to 4 DIMMs of DDR3 memory.All models manufactured from 8 logical cores with simple Orochi die production, in 938 pins µPGA package AM3+ socket.4× dual-core " modules" within FX-8 series, 3× in FX-6 series, and 2× in FX-4 series, with two integer clusters (seen as logical cores from OS) and a shared floating-point unit in each "module".The personal world record for highest overclock was achieved on an FX-8350, which was clocked up to 8794.33 MHz. This allowed users to gain extra performance by raising the clock speed of their CPU. One notable feature of the AMD FX microprocessors is that they were all unlocked and overclockable, a feature usually reserved for the high-end K suffix SKUs from Intel. The FX refresh on the Piledriver architecture launched on October 23, 2012. The FX series launched on October 12, 2011, on the Bulldozer architecture. Rumors suggested that the FX line would change that as leaked information suggested improved performance on the upcoming Bulldozer architecture that AMD FX was based on. By the end of Phenom's lifespan, however, Intel's Sandy Bridge-based Core processors could provide performance that Phenom II could not compete with. In the years prior to the AMD FX range of processors, the AMD Phenom II and Athlon II lineup of processors, while not beating Intel's Core lineup in raw performance, were generally competitive when their price was taken into account.
įX has been succeeded by the Ryzen brand of CPUs, based on the Zen architecture, which initially launched in 2017 to compete with Intel's later generation processors such as Skylake. The line aimed at competing with the Intel Core line of desktop processors, in particular processors based on Sandy Bridge and Ivy Bridge architectures. The line was introduced with the Bulldozer microarchitecture at launch (codenamed "Zambezi"), and was then succeeded by its derivative Piledriver in 2012 (codenamed "Vishera"). AMD FX is a series of high-end AMD microprocessors for personal computers which debuted in 2011, claimed as AMD's first native 8-core desktop processor.
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