In depth comparison and review of Intel Xeon E5645 and Intel Pentium G640. 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 E5645 | Intel Pentium G640 |
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Product Type | Processor | Processor |
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PROCESSOR | Intel Xeon E5645 | Intel Pentium G640 |
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Type | Intel Xeon E5645 | Intel Pentium G640 |
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ARCHITECTURE |
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Processor Qty | 1 | - |
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Max Supported Qty | 1 | - |
Compatible Processor Socket | LGA1366 Socket | LGA1155 Socket |
Core Voltage | 0.75 V - 1.35 V | - |
Manufacturing Process | 32 nm | 32 nm |
Thermal Design Power | 80 W | 65 W |
Thermal Specification | 76.2 °C | 69.1 °C |
PCI Express Revision | - | 2.0 |
Architecture Features | Hyper-Threading Technology, Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology | Enhanced SpeedStep technology, integrated memory controller, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, streaming SIMD extensions 4.1, streaming SIMD extensions 4.2, Intel Fast Memory Access, Intel Flex Memory Access, Thermal Monitoring Technologies, Idle States, Intel VT-x with Extended Page Tables (EPT) |
PERFORMANCE |
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Number of Cores | 6-core | Dual-Core |
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Number of Threads | 12 threads | 2 threads |
Clock Speed (Frequency) | 2.4 GHz | 2.8 GHz |
Max Turbo Speed | 2.67 GHz | - |
Bus Speed | 1333 MHz | - |
64-bit Computing | Yes | - |
CACHE MEMORY |
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Cache | 12 MB | 3 MB |
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Cache Memory Details | L2 - 6 x 256 KB L3 - 12 MB |
Smart Cache - 3 MB |
Installed Size | 12 MB | 3 MB |
Type | Advanced Smart Cache | - |
INTEGRATED GRAPHICS (GPU) | Intel Xeon E5645 | Intel Pentium G640 |
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Type | - | Intel HD Graphics |
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Base Frequency | - | 850 MHz |
Max Dynamic Frequency | - | 1.1 GHz |
Features | - | Dual Display Capable, Intel FDI |
EXPANSION & CONNECTIVITY | Intel Xeon E5645 | Intel Pentium G640 |
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Compatible Slots | 1 x processor | - |
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MISCELLANEOUS | Intel Xeon E5645 | Intel Pentium G640 |
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Included Accessories | Cooler (fansink) | - |
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Compliant Standards | RoHS | Lead-Free, halogen-free |
Service & Support | 1-year warranty | Limited warranty - 3 years |