Side by side comparison and review of Intel Xeon E5-2665 and Intel Xeon X5660. 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 E5-2665 | Intel Xeon X5660 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon E5-2665 | Intel Xeon X5660 |
|---|
| Type | Intel Xeon E5-2665 | Intel Xeon X5660 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA2011 Socket | LGA1366 Socket |
| Core Voltage | 0.6 V - 1.35 V | 1.3 V |
| Manufacturing Process | 32 nm | 32 nm |
| Thermal Design Power | 115 W | 95 W |
| Thermal Specification | 81.8 °C | 81.3 °C |
| PCI Express Revision | 3.0 | - |
| PCI Express Lanes Qty | 40 | - |
| Architecture Features | SpeedStep technology, Execute Disable Bit capability, Intel Turbo Boost Technology, Intel Trusted Execution Technology, Intel vPro Technology | Hyper-Threading Technology, Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology |
| PERFORMANCE |
|---|
| Number of Cores | 8-core | 6-core |
|---|---|---|
| Number of Threads | 16 threads | 12 threads |
| Clock Speed (Frequency) | 2.4 GHz | 2.8 GHz |
| Max Turbo Speed | 3.1 GHz | 3.2 GHz |
| Bus Speed | 1600 MHz | 1333 MHz |
| 64-bit Computing | Yes | Yes |
| CACHE MEMORY |
|---|
| Cache | 20 MB | 12 MB |
|---|---|---|
| Cache Level 1 Size | - | 384 KB |
| Cache Memory Details | Smart Cache - 20 MB | L3 - 12 MB L2 - 1 MB |
| Installed Size | 20 MB | 12 MB |
| RAM |
|---|
| Max Supported Size | - | 288 GB |
|---|---|---|
| Technology | - | DDR3 SDRAM |
| EXPANSION & CONNECTIVITY | Intel Xeon E5-2665 | Intel Xeon X5660 |
|---|
| Compatible Slots | 1 x processor - LGA2011 Socket | 1 x processor |
|---|
| MISCELLANEOUS | Intel Xeon E5-2665 | Intel Xeon X5660 |
|---|
| Included Accessories | Passive heatsink | Heat sink |
|---|---|---|
| Compliant Standards | RoHS | RoHS |
| Service & Support | Limited warranty - 1 year | Limited warranty - 1 year - on-site |
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