Side by side comparison and review of Intel Xeon E5520 and AMD Athlon II X4 880K. Compare overall performance, core and thread counts, cache memory, speed, power efficiency, dimensions, socket compatibility and other key specifications and features to simplify the choice of your perfect CPU. Our goal is to make it easier for you to decide on the processor that will best meet your expectations by revealing the main differences between the products.
GENERAL | Intel Xeon E5520 | AMD Athlon II X4 880K |
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Product Type | Processor | Processor |
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PROCESSOR | Intel Xeon E5520 | AMD Athlon II X4 880K |
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Type | Intel Xeon E5520 | AMD Athlon II X4 880K |
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ARCHITECTURE |
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Processor Qty | 1 | 1 |
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Packaging Type | FC-LGA8 | - |
Compatible Processor Socket | LGA1366 Socket | Socket FM2+ |
Core Voltage | 1.4 V | - |
Manufacturing Process | 45 nm | 28 nm |
Thermal Design Power | 80 W | 95 W |
Thermal Specification | 76 °C | 72.4 °C |
Architecture Features | Hyper-Threading Technology, Intel Intelligent Power Technology, Intel Data Center Manager | AMD Virtualization |
PERFORMANCE |
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Number of Cores | Quad-Core | Quad-Core |
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Number of Threads | 8 threads | 4 threads |
Clock Speed (Frequency) | 2.26 GHz | 4 GHz |
Max Turbo Speed | 2.53 GHz | 4.2 GHz |
Bus Speed | 1066 MHz | - |
64-bit Computing | Yes | - |
CACHE MEMORY |
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Cache | 8 MB | 4 MB |
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Cache Memory Details | Smart Cache - 8 MB | L2 - DDR3 SDRAM - 4 MB L1 - DDR3 SDRAM - 256 KB |
Installed Size | 8 MB | - |
Type | Advanced Smart Cache | - |
RAM |
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Technology | DDR3 SDRAM - 1066 MHz | - |
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EXPANSION & CONNECTIVITY | Intel Xeon E5520 | AMD Athlon II X4 880K |
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Compatible Slots | 1 x processor | - |
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MISCELLANEOUS | Intel Xeon E5520 | AMD Athlon II X4 880K |
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Included Accessories | Heat sink | Cooler (fansink) |
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Compliant Standards | RoHS | - |
Service & Support | 1-year warranty | - |