In depth comparison and review of Intel Xeon X5687 and Intel Xeon E5-4640. 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 X5687 | Intel Xeon E5-4640 |
|---|
| Product Type | Processor | Processor |
|---|---|---|
| Packaged Quantity | - | 2 (specifications are for single item) |
| PROCESSOR | Intel Xeon X5687 | Intel Xeon E5-4640 |
|---|
| Type | Intel Xeon X5687 | Intel Xeon E5-4640 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA1366 Socket | LGA2011 Socket |
| Core Voltage | 0.75 V - 1.35 V | 0.6 V - 1.35 V |
| Manufacturing Process | 32 nm | 32 nm |
| Thermal Design Power | 130 W | 95 W |
| Thermal Specification | 80.4 °C | - |
| PCI Express Revision | - | 3.0 |
| PCI Express Lanes Qty | - | 40 |
| Architecture Features | Hyper-Threading Technology, Intel Turbo Boost Technology | SpeedStep technology, Execute Disable Bit capability, Intel Trusted Execution Technology, Intel Turbo Boost Technology 2.0, Intel vPro Technology |
| PERFORMANCE |
|---|
| Number of Cores | Quad-Core | 8-core |
|---|---|---|
| Number of Threads | 8 threads | 16 threads |
| Clock Speed (Frequency) | 3.6 GHz | 2.4 GHz |
| Max Turbo Speed | 3.86 GHz | 2.8 GHz |
| Bus Speed | - | 1600 MHz |
| 64-bit Computing | Yes | Yes |
| CACHE MEMORY |
|---|
| Cache | 12 MB | 20 MB |
|---|---|---|
| Cache Memory Details | Smart Cache - 12 MB | L3 - 16 MB |
| Installed Size | 12 MB | 20 MB |
| EXPANSION & CONNECTIVITY | Intel Xeon X5687 | Intel Xeon E5-4640 |
|---|
| Compatible Slots | 1 x processor - LGA1366 Socket | 1 x processor - LGA2011 Socket |
|---|
| MISCELLANEOUS | Intel Xeon X5687 | Intel Xeon E5-4640 |
|---|
| Compliant Standards | Halogen-free | Halogen-free |
|---|
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