In depth comparison and review of Intel Xeon L5640 and Intel Xeon E5645. 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 L5640 | Intel Xeon E5645 |
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Product Type | Processor | Processor |
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PROCESSOR | Intel Xeon L5640 | Intel Xeon E5645 |
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Type | Intel Xeon L5640 | Intel Xeon E5645 |
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ARCHITECTURE |
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Processor Qty | 1 | 1 |
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Max Supported Qty | - | 1 |
Compatible Processor Socket | LGA1366 Socket | LGA1366 Socket |
Core Voltage | 0.8 V - 1.3 V | 0.75 V - 1.35 V |
Manufacturing Process | 32 nm | 32 nm |
Thermal Design Power | 60 W | 80 W |
Thermal Specification | 69.4 °C | 76.2 °C |
Architecture Features | Enhanced SpeedStep technology, streaming SIMD extensions, streaming SIMD extensions 2, Hyper-Threading Technology, integrated memory controller, streaming SIMD extensions 3, Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology, Intel Turbo Boost Technology, Intel 64 Technology, supplemental streaming SIMD extensions 3, Intel Trusted Execution Technology, streaming SIMD extensions 4.1, streaming SIMD extensions 4.2 | Hyper-Threading Technology, Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology |
PERFORMANCE |
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Number of Cores | 6-core | 6-core |
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Number of Threads | 12 threads | 12 threads |
Clock Speed (Frequency) | 2.26 GHz | 2.4 GHz |
Max Turbo Speed | 2.8 GHz | 2.67 GHz |
Bus Speed | 1333 MHz | 1333 MHz |
64-bit Computing | Yes | Yes |
CACHE MEMORY |
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Cache | 12 MB | 12 MB |
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Cache Memory Details | Smart Cache - 12 MB | L2 - 6 x 256 KB L3 - 12 MB |
Installed Size | 12 MB | 12 MB |
Type | - | Advanced Smart Cache |
EXPANSION & CONNECTIVITY | Intel Xeon L5640 | Intel Xeon E5645 |
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Compatible Slots | 1 x processor | 1 x processor |
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MISCELLANEOUS | Intel Xeon L5640 | Intel Xeon E5645 |
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Included Accessories | - | Cooler (fansink) |
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Compliant Standards | RoHS | RoHS |
Service & Support | Limited warranty - advance parts replacement - 3 years | 1-year warranty |