In depth comparison and review of Intel Xeon E5-2665 and Intel Xeon E5-2403. 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 E5-2665 | Intel Xeon E5-2403 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon E5-2665 | Intel Xeon E5-2403 |
|---|
| Type | Intel Xeon E5-2665 | Intel Xeon E5-2403 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA2011 Socket | LGA1356 Socket |
| Core Voltage | 0.6 V - 1.35 V | 0.6 V - 1.35 V |
| Manufacturing Process | 32 nm | 32 nm |
| Thermal Design Power | 115 W | 80 W |
| Thermal Specification | 81.8 °C | - |
| PCI Express Revision | 3.0 | 3.0 |
| PCI Express Lanes Qty | 40 | 24 |
| Architecture Features | SpeedStep technology, Execute Disable Bit capability, Intel Turbo Boost Technology, Intel Trusted Execution Technology, Intel vPro Technology | SpeedStep technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel Turbo Boost Technology, Intel Trusted Execution Technology |
| PERFORMANCE |
|---|
| Number of Cores | 8-core | Quad-Core |
|---|---|---|
| Number of Threads | 16 threads | 4 threads |
| Clock Speed (Frequency) | 2.4 GHz | 1.8 GHz |
| Max Turbo Speed | 3.1 GHz | - |
| Bus Speed | 1600 MHz | 1066 MHz |
| 64-bit Computing | Yes | Yes |
| CACHE MEMORY |
|---|
| Cache | 20 MB | 10 MB |
|---|---|---|
| Cache Memory Details | Smart Cache - 20 MB | 10 MB |
| Installed Size | 20 MB | 10 MB |
| EXPANSION & CONNECTIVITY | Intel Xeon E5-2665 | Intel Xeon E5-2403 |
|---|
| Compatible Slots | 1 x processor - LGA2011 Socket | 1 x processor |
|---|
| MISCELLANEOUS | Intel Xeon E5-2665 | Intel Xeon E5-2403 |
|---|
| Included Accessories | Passive heatsink | Passive heatsink |
|---|---|---|
| Compliant Standards | RoHS | RoHS |
| Service & Support | Limited warranty - 1 year | Limited warranty - 1 year |
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