In depth comparison and review of Intel Xeon E5-2650 and Intel Core 2 Quad Q8400. 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 E5-2650 | Intel Core 2 Quad Q8400 |
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Product Type | Processor | Processor |
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Packaged Quantity | 2 (specifications are for single item) | - |
PROCESSOR | Intel Xeon E5-2650 | Intel Core 2 Quad Q8400 |
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Type | Intel Xeon E5-2650 | Intel Core 2 Quad Q8400 |
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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 | 77.4 °C | 71.4 °C |
PCI Express Revision | 3.0 | - |
PCI Express Lanes Qty | 40 | - |
Architecture Features | Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology | Enhanced SpeedStep technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, 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 GHz | 2.66 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 | 4 MB |
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Cache Memory Details | L3 - 20 MB | L2 - 4 MB |
Installed Size | 20 MB | 4 MB |
EXPANSION & CONNECTIVITY | Intel Xeon E5-2650 | Intel Core 2 Quad Q8400 |
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Compatible Slots | 1 x processor - LGA2011 Socket | 1 x processor - LGA775 Socket |
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MISCELLANEOUS | Intel Xeon E5-2650 | Intel Core 2 Quad Q8400 |
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Included Accessories | Heat sink | - |
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Compliant Standards | RoHS | - |
Service & Support | Limited warranty - 1 year | Limited warranty - 3 years |