Side by side comparison and review of Intel Xeon E5-2643V3 and AMD Phenom II X4 945. 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 E5-2643V3 | AMD Phenom II X4 945 |
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Product Type | Processor | Processor |
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PROCESSOR | Intel Xeon E5-2643V3 | AMD Phenom II X4 945 |
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Type | Intel Xeon E5-2643V3 | AMD Phenom II X4 945 |
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ARCHITECTURE |
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Processor Qty | 1 | 1 |
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Max Supported Qty | - | 1 |
Compatible Processor Socket | LGA2011-v3 Socket | Socket AM3 |
Power Efficiency | - | Energy Efficient |
Core Voltage | 0.65 V - 1.30 V | - |
Manufacturing Process | 22 nm | 45 nm |
Thermal Design Power | 135 W | 95 W |
Thermal Specification | 77 °C | 71 °C |
PCI Express Revision | 3.0 | - |
PCI Express Configurations | X16, x4, x8 | - |
PCI Express Lanes Qty | 40 | - |
Architecture Features | Integrated memory controller | HyperTransport technology, AMD64 technology, integrated memory controller, Enhanced Virus Protection, AMD Cool'n'Quiet Technology, AMD Virtualization, AMD CoolCore Technology |
PERFORMANCE |
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Number of Cores | 6-core | Quad-Core |
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Number of Threads | 12 threads | - |
Clock Speed (Frequency) | 3.4 GHz | 3 GHz |
Max Turbo Speed | 3.7 GHz | - |
Bus Speed | 4800 MHz | - |
64-bit Computing | - | Yes |
CACHE MEMORY |
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Cache | 20 MB | - |
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Cache Memory Details | 20 MB | L2 - 4 x 512 KB L3 - 6 MB |
Installed Size | 20 MB | 6 MB |
EXPANSION & CONNECTIVITY | Intel Xeon E5-2643V3 | AMD Phenom II X4 945 |
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Compatible Slots | - | 1 x processor - Socket AM3 |
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MISCELLANEOUS | Intel Xeon E5-2643V3 | AMD Phenom II X4 945 |
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Included Accessories | Additional fan | - |
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Compliant Standards | RoHS | - |
Service & Support | Limited warranty - 1 year | Limited warranty - 3 years |