Side by side comparison and review of Intel Xeon E5-2665 and Intel Xeon E3-1220V2. 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 E3-1220V2 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon E5-2665 | Intel Xeon E3-1220V2 |
|---|
| Type | Intel Xeon E5-2665 | Intel Xeon E3-1220V2 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA2011 Socket | LGA1155 Socket |
| Core Voltage | 0.6 V - 1.35 V | - |
| Manufacturing Process | 32 nm | 22 nm |
| Thermal Design Power | 115 W | 69 W |
| Thermal Specification | 81.8 °C | - |
| PCI Express Revision | 3.0 | 3.0 |
| PCI Express Configurations | - | 1x16+1x4, 1x8+3x4, 2x8+1x4 |
| PCI Express Lanes Qty | 40 | - |
| Architecture Features | SpeedStep technology, Execute Disable Bit capability, Intel Turbo Boost Technology, Intel Trusted Execution Technology, Intel vPro Technology | Enhanced SpeedStep technology, Intel Virtualization Technology, Intel VT-x with Extended Page Tables (EPT) |
| PERFORMANCE |
|---|
| Number of Cores | 8-core | Quad-Core |
|---|---|---|
| Number of Threads | 16 threads | 4 threads |
| Clock Speed (Frequency) | 2.4 GHz | 3.1 GHz |
| Max Turbo Speed | 3.1 GHz | 3.5 GHz |
| Bus Speed | 1600 MHz | - |
| 64-bit Computing | Yes | Yes |
| CACHE MEMORY |
|---|
| Cache | 20 MB | 8 MB |
|---|---|---|
| Cache Memory Details | Smart Cache - 20 MB | L3 - 8 MB |
| Installed Size | 20 MB | 8 MB |
| EXPANSION & CONNECTIVITY | Intel Xeon E5-2665 | Intel Xeon E3-1220V2 |
|---|
| Compatible Slots | 1 x processor - LGA2011 Socket | - |
|---|
| MISCELLANEOUS | Intel Xeon E5-2665 | Intel Xeon E3-1220V2 |
|---|
| Included Accessories | Passive heatsink | Heat pipe |
|---|---|---|
| Compliant Standards | RoHS | RoHS |
| Service & Support | Limited warranty - 1 year | Limited warranty - 90 days |
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