In depth comparison and review of Intel Xeon E5540 and Intel Xeon L7555. 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 E5540 | Intel Xeon L7555 |
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Product Type | Processor | Processor |
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PROCESSOR | Intel Xeon E5540 | Intel Xeon L7555 |
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Type | Intel Xeon E5540 | Intel Xeon L7555 |
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ARCHITECTURE |
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Processor Qty | 1 | 1 |
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Compatible Processor Socket | LGA1366 Socket | LGA1567 Socket |
Power Efficiency | - | Low-Voltage (LV) |
Core Voltage | 0.75 V - 1.35 V | - |
Manufacturing Process | 45 nm | 45 nm |
Thermal Design Power | 80 W | 95 W |
Thermal Specification | 76 °C | 70 °C |
Architecture Features | Enhanced SpeedStep technology, Demand Based Switching, Intel Virtualization Technology, Intel Turbo Boost Technology, Intel Dynamic Acceleration | Enhanced SpeedStep technology, Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel Turbo Boost Technology, Intel 64 Technology |
PERFORMANCE |
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Number of Cores | Quad-Core | 8-core |
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Number of Threads | 8 threads | 16 threads |
Clock Speed (Frequency) | 2.53 GHz | 1.87 GHz |
Max Turbo Speed | 2.8 GHz | 2.53 GHz |
Bus Speed | 1066 MHz | - |
64-bit Computing | Yes | Yes |
CACHE MEMORY |
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Cache | 8 MB | 24 MB |
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Cache Level 1 Size | 256 KB | - |
Cache Memory Details | L2 - SLC NAND Flash - 8 MB | L3 - 24 MB |
Installed Size | 8 MB | 24 MB |
Type | SLC NAND Flash | - |
RAM |
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Technology | DDR3 SDRAM - 1066 MHz | - |
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EXPANSION & CONNECTIVITY | Intel Xeon E5540 | Intel Xeon L7555 |
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Compatible Slots | 1 x processor | 1 x processor - LGA1567 Socket |
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MISCELLANEOUS | Intel Xeon E5540 | Intel Xeon L7555 |
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Included Accessories | Heat sink, voltage regulator module | - |
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Compliant Standards | RoHS | RoHS |
Service & Support | Limited warranty - 1 year - on-site | - |