128-bit (versus 64-bit in AMD K8) floating point (FP) execution units.
Here we'll just publish a brief list of peculiarities of the Phenom (K10) architecture versus the previous architecture from AMD (Athlon 64 X2 / K8).
#AMD PHENOM QUAD CORE AGENA PATCH#
Effect of AMD's Patch on Low-Level Characteristics of Processor and Platform. Part 15: AMD Phenom X4 and Bug in AMD Phenom X4 Processors. If you are interested in technical details about the architecture of the new processor from AMD and its notorious bug, you can read our previous articles - Detailed Platform Analysis in RightMark Memory Analyzer. So Phenom will be surrounded by possible direct competitors, which should help us analyze its performance in a proper way. We've selected four dual- and quad-core processors from Intel based on the Core 2 architecture, operating at about 2.5 GHz, with new and old cores. To all appearances, it's indeed the fastest solution AMD can offer now, so it will be interesting to compare Phenom X4 9850 with Intel processors. The processor operates at 2.5 GHz, it possesses an improved integrated Northbridge (2 GHz), and it even supports DDR2-1066. And now we have an AMD Phenom X4 9850, B3 stepping. Our testbed did not freeze even once, and the patchless mode theoretically shows the real performance of future "debugged" processors, but our article still produced an impression of being incomplete. Thus, we could benchmark Phenom either in a reduced performance mode (with patched BIOS, which disables some processor units) or without the patch, which potentially allowed mistakes in their operation. 3.7.In the previous article devoted to benchmarking an engineering sample of a quad-core AMD Phenom we failed to "cross all t's," because this processor has a bug officially acknowledged by AMD.3.2 Turion II mobile processors (Phenom-based).3.1 Turion II Ultra mobile processors (Phenom-based).2.2.8 Phenom II 42 TWKR (C2, 45 nm, Quad-core, Limited Edition).Processors with a "u" following the model number (e.g., 270u) are ultra-low-power models, usually 20 W for single core chips or 25 W for dual core chips. Processors with an e following the model number (e.g., 910e) are low-power models, usually 45 W for Athlons, 65 W for Phenoms. An improved second generation was released in December 2008, named Phenom II. The first Phenoms were released in November 2007. Other related processors based on the K10 microarchitecture include the Athlon X2 Kuma processors, Athlon II processors, and various Opteron, Sempron, and Turion series. It includes the AMD Phenom II X6 hex-core series, Phenom X4 and Phenom II X4 quad-core series, Phenom X3 and Phenom II X3 tri-core series, and Phenom II X2 dual-core series. The AMD Phenom family is a 64-bit microprocessor family from Advanced Micro Devices (AMD), based on the K10 microarchitecture. JSTOR ( July 2010) ( Learn how and when to remove this template message).
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