In depth comparison and review of Intel Xeon E5-4640 and Intel Core 2 Extreme QX9650. 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 Extreme QX9650 |
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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 Extreme QX9650 |
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Type | Intel Xeon E5-4640 | Intel Core 2 Extreme QX9650 |
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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 | 130 W |
Thermal Specification | - | 64.5 °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, streaming SIMD extensions 2, streaming SIMD extensions 3, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel Advanced Digital Media Boost, Intel Advanced Smart Cache, Intel Intelligent Power Capability, Intel Smart Memory Access, Intel Wide Dynamic Execution, supplemental streaming SIMD extensions 3, streaming SIMD extensions 4, Enhanced Halt State (C1E), Intel Thermal Monitor 2 |
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 | 3 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 Extreme QX9650 |
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Compatible Slots | 1 x processor - LGA2011 Socket | 1 x processor |
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MISCELLANEOUS | Intel Xeon E5-4640 | Intel Core 2 Extreme QX9650 |
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Compliant Standards | Halogen-free | - |
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Service & Support | - | Limited warranty - 90 days |