Side by side comparison and review of Intel Xeon E5-2687W and Intel Xeon E5-2665. 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 E5-2687W | Intel Xeon E5-2665 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon E5-2687W | Intel Xeon E5-2665 |
|---|
| Type | Intel Xeon E5-2687W | Intel Xeon E5-2665 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA2011 Socket | LGA2011 Socket |
| Core Voltage | 0.6 V - 1.35 V | 0.6 V - 1.35 V |
| Manufacturing Process | 32 nm | 32 nm |
| Thermal Design Power | 150 W | 115 W |
| Thermal Specification | 67 °C | 81.8 °C |
| PCI Express Revision | 3.0 | 3.0 |
| PCI Express Lanes Qty | 40 | 40 |
| Architecture Features | SpeedStep technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel Turbo Boost Technology, Intel Trusted Execution Technology, Intel vPro Technology | SpeedStep technology, Execute Disable Bit capability, Intel Turbo Boost Technology, Intel Trusted Execution Technology, Intel vPro Technology |
| PERFORMANCE |
|---|
| Number of Cores | 8-core | 8-core |
|---|---|---|
| Number of Threads | 16 threads | 16 threads |
| Clock Speed (Frequency) | 3.1 GHz | 2.4 GHz |
| Max Turbo Speed | 3.8 GHz | 3.1 GHz |
| Bus Speed | - | 1600 MHz |
| 64-bit Computing | Yes | Yes |
| CACHE MEMORY |
|---|
| Cache | 20 MB | 20 MB |
|---|---|---|
| Cache Memory Details | L3 - 20 MB | Smart Cache - 20 MB |
| Installed Size | 20 MB | 20 MB |
| EXPANSION & CONNECTIVITY | Intel Xeon E5-2687W | Intel Xeon E5-2665 |
|---|
| Compatible Slots | 1 x processor - LGA2011 Socket | 1 x processor - LGA2011 Socket |
|---|
| MISCELLANEOUS | Intel Xeon E5-2687W | Intel Xeon E5-2665 |
|---|
| Included Accessories | - | Passive heatsink |
|---|---|---|
| Compliant Standards | RoHS | RoHS |
| Service & Support | - | Limited warranty - 1 year |
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