![]() ![]() ^ "Intel Processor Pricing, Effective July 10, 2011".^ "The 65 nm Pentium D 900's Coming Out Party: Thermal Design Power Overview".^ "The 65 nm Pentium D 900's Coming Out Party: Test Setup".^ "Intel Unleashes New Server Processors That Deliver World-Class Performance And Power Efficiency".^ "Intel Centrino 2 with vPro technology and Intel Core2 processor with vPro technology" (PDF).^ "Intel to unify product naming scheme".^ "Intel Unveils World's Best Processor".^ "Intel Clovertowns step up, reduce power".^ a b "Product Change Notification #110665-00" (PDF).With a maximum thermal design power (TDP) of 65 W, the Core 2 Duo Conroe dissipates half the power of the less capable contemporary Pentium D-branded desktop chips that have a max TDP of 130 W. The Penryn microarchitecture, a shrink of the former, introduced SSE4.1. The Core microarchitecture introduced SSSE3, Trusted Execution Technology, Enhanced SpeedStep and Active Management Technology (iAMT2). The Core 2-branded processors feature Virtualization Technology without EPT (with some exceptions), the NX bit and SSE3. The Core 2-branded CPUs include: Conroe/ Allendale (dual-core for desktops), Merom (dual-core for laptops), Merom-L (single-core for laptops), Kentsfield (quad-core for desktops), and the updated variants named Wolfdale (dual-core for desktops), Penryn (dual-core for laptops) and Yorkfield (quad-core for desktops). Newer versions of VM software do not support processors older than Nehalem (Core 2 and older) because they lack support for Intel VT-x with Extended Page Tables (EPT), also called Second Level Address Translation (SLAT).įor a detailed discussion of CPU cores, see Intel Core (microarchitecture) § Processor cores. Virtual machine or virtualization abilities Ĭore 2 and other LGA 775 processors can support virtualization if the virtual machine (VM) software supports those processors, e.g. From December 2006, all Core 2 Duo processors were manufactured from 300 millimeter plates at Fab 12 factory in Arizona and at Fab 24-2 in County Kildare, Ireland. Īlthough Woodcrest processors are also based on the Core architecture, they are available under the Xeon brand. Intel Core 2 processors with vPro technology (designed for businesses) include the dual-core and quad-core branches. The Core 2 processor line was introduced on July 27, 2006, comprising the Duo ( dual-core) and Extreme (dual- or quad-core CPUs for enthusiasts), and in 2007, the Quad ( quad-core) and Solo ( single-core) sub-brands. The introduction of Core 2 relegated the Pentium brand to the mid-range market, and reunified laptop and desktop CPU lines for marketing purposes under the same product name, which were formerly divided into the Pentium 4, Pentium D, and Pentium M brands. The Core 2 range was the last flagship range of Intel desktop processors to use a front-side bus. The single- and dual-core models are single- die, whereas the quad-core models comprise two dies, each containing two cores, packaged in a multi-chip module. Intel Core 2 is the processor family encompassing a range of Intel's consumer 64-bit x86-64 single-, dual-, and quad-core microprocessors based on the Core microarchitecture. Pentium 4 (single-core, desktop,core 2's microarchitecture was based on P6, not netburst) Allendale, Conroe, Conroe-L, Merom-2M, Merom, Merom-L, Kentsfield, Wolfdale, Yorkfield, Penryn.SSE4.1, Virtualization Technology, Execute Disable Bit, Enhanced Speedstep, Ehnaced Halt State (C1E), 64 Bit, Trusted Execution Technology Virtualization (VT-x), Intel 64, Idle States, Enhanced Speedstep, Execute Disable Bit The Core 2 Duo P8400 can be used in a Socket P socket with 479 pins: Socket P / Micro Flip-Chip Pin Grid Array (Micro-FCPGA) requires 479-pin surface mount Zero Insertion Force (ZIF) socket (mPGA479M socket) or Micro Flip-Chip Ball Grid Array (Micro-FCBGA) for surface mount (479-ball) The integrated Enhanced Speedstep is able to downclock the core dynamically as low as 800 MHz to save power (in idle mode). Due to the Wide Dynamic Execution Technology, the core is able to simultaneously execute up to four instructions. The P8400 uses a Penryn (Montevina Update) core that features 2 integer units, 1 floating point unit, 1 load unit, and 1 store unit in a 14-stages long pipeline. High end gamers should choose a higher clocked Core 2 Duo (or Core i5 / i7). Modern demanding games like Supreme Commander may be limited by the CPU performance. The performance of the P8400 is on par with the fast Turion II Ultra with about 2.4 to 2.6 GHz. Due to the smaller cache (Core 2 Duo T-Models got usually 6 MB at this clock rate), the TDP is only 25 Watt (instead of the 35 Watt of the T-models). It features 2.26 GHz and a shared level 2 cache of 3 MB. The Intel Core 2 Duo P8400 is a dual core processor for laptops. ![]()
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