In depth comparison and review of Intel Xeon E5-4640 and Intel Core 2 Quad Q9550. Compare dimensions, performance, cache memory, number of cores, clock speed, RAM, power efficiency and other important specifications and features to easily choose the right CPU for you. Our goal is to help you uncover differences between the products and find the processor that will best fit your needs.
GENERAL | Intel Xeon E5-4640 | Intel Core 2 Quad Q9550 |
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Product Type | Processor | Processor |
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Packaged Quantity | 2 (specifications are for single item) | - |
PROCESSOR | Intel Xeon E5-4640 | Intel Core 2 Quad Q9550 |
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Type | Intel Xeon E5-4640 | Intel Core 2 Quad Q9550 |
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ARCHITECTURE |
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Processor Qty | 1 | 1 |
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Compatible Processor Socket | LGA2011 Socket | LGA775 Socket |
Core Voltage | 0.6 V - 1.35 V | - |
Manufacturing Process | 32 nm | 45 nm |
Thermal Design Power | 95 W | 95 W |
Thermal Specification | - | 71.4 °C |
PCI Express Revision | 3.0 | - |
PCI Express Lanes Qty | 40 | - |
Architecture Features | SpeedStep technology, Execute Disable Bit capability, Intel Trusted Execution Technology, Intel Turbo Boost Technology 2.0, Intel vPro Technology | Enhanced SpeedStep technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel Advanced Digital Media Boost, Intel Advanced Smart Cache, Intel Smart Memory Access, Intel Wide Dynamic Execution, Intel Trusted Execution Technology |
PERFORMANCE |
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Number of Cores | 8-core | Quad-Core |
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Number of Threads | 16 threads | - |
Clock Speed (Frequency) | 2.4 GHz | 2.83 GHz |
Max Turbo Speed | 2.8 GHz | - |
Bus Speed | 1600 MHz | 1333 MHz |
64-bit Computing | Yes | Yes |
CACHE MEMORY |
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Cache | 20 MB | 12 MB |
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Cache Memory Details | L3 - 16 MB | L2 - 12 MB |
Installed Size | 20 MB | 12 MB |
Type | - | Advanced Smart Cache |
EXPANSION & CONNECTIVITY | Intel Xeon E5-4640 | Intel Core 2 Quad Q9550 |
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Compatible Slots | 1 x processor - LGA2011 Socket | 1 x processor - LGA775 Socket |
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MISCELLANEOUS | Intel Xeon E5-4640 | Intel Core 2 Quad Q9550 |
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Included Accessories | - | 1U passive / 2U+ active combo |
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Compliant Standards | Halogen-free | RoHS |
Service & Support | - | Limited warranty - 3 years |