Detailed comparison and review of Intel Xeon E5-2665 and Intel Xeon E3-1240. With our comprehensive overview, you can simply compare overall performance, cache sizes, RAM, power efficiency, architecture, but also other key features of both processors and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the processor that best fits your needs and expectations.
| GENERAL | Intel Xeon E5-2665 | Intel Xeon E3-1240 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon E5-2665 | Intel Xeon E3-1240 |
|---|
| Type | Intel Xeon E5-2665 | Intel Xeon E3-1240 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA2011 Socket | LGA1155 Socket |
| Core Voltage | 0.6 V - 1.35 V | - |
| Manufacturing Process | 32 nm | 32 nm |
| Thermal Design Power | 115 W | 80 W |
| Thermal Specification | 81.8 °C | 69.1 °C |
| PCI Express Revision | 3.0 | 2.0 |
| PCI Express Lanes Qty | 40 | 20 |
| Architecture Features | SpeedStep technology, Execute Disable Bit capability, Intel Turbo Boost Technology, Intel Trusted Execution Technology, Intel vPro Technology | Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology |
| PERFORMANCE |
|---|
| Number of Cores | 8-core | Quad-Core |
|---|---|---|
| Number of Threads | 16 threads | 8 threads |
| Clock Speed (Frequency) | 2.4 GHz | 3.3 GHz |
| Max Turbo Speed | 3.1 GHz | 3.7 GHz |
| Bus Speed | 1600 MHz | - |
| 64-bit Computing | Yes | Yes |
| CACHE MEMORY |
|---|
| Cache | 20 MB | 8 MB |
|---|---|---|
| Cache Level 1 Size | - | 256 KB |
| Cache Memory Details | Smart Cache - 20 MB | L2 - 1 MB L3 - 8 MB |
| Installed Size | 20 MB | 8 MB |
| EXPANSION & CONNECTIVITY | Intel Xeon E5-2665 | Intel Xeon E3-1240 |
|---|
| Compatible Slots | 1 x processor - LGA2011 Socket | 1 x processor - LGA1155 Socket |
|---|
| MISCELLANEOUS | Intel Xeon E5-2665 | Intel Xeon E3-1240 |
|---|
| Included Accessories | Passive heatsink | Heat sink |
|---|---|---|
| Compliant Standards | RoHS | RoHS |
| Service & Support | Limited warranty - 1 year | Limited warranty - 3 years |
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