Detailed comparison and review of Intel Xeon E5645 and Intel Xeon E3-1220LV2. 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 E5645 | Intel Xeon E3-1220LV2 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon E5645 | Intel Xeon E3-1220LV2 |
|---|
| Type | Intel Xeon E5645 | Intel Xeon E3-1220LV2 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Max Supported Qty | 1 | - |
| Compatible Processor Socket | LGA1366 Socket | LGA1155 Socket |
| Power Efficiency | - | Low-Power |
| Core Voltage | 0.75 V - 1.35 V | - |
| Manufacturing Process | 32 nm | 22 nm |
| Thermal Design Power | 80 W | 17 W |
| Thermal Specification | 76.2 °C | - |
| PCI Express Revision | - | 3.0 |
| PCI Express Configurations | - | 1x16+1x4, 1x8+3x4, 2x8+1x4 |
| Architecture Features | Hyper-Threading Technology, Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology | SpeedStep technology, Hyper-Threading Technology, Intel Virtualization Technology, Intel Turbo Boost Technology, Intel Trusted Execution Technology, Intel vPro Technology |
| PERFORMANCE |
|---|
| Number of Cores | 6-core | Dual-Core |
|---|---|---|
| Number of Threads | 12 threads | 4 threads |
| Clock Speed (Frequency) | 2.4 GHz | 2.3 GHz |
| Max Turbo Speed | 2.67 GHz | 3.5 GHz |
| Bus Speed | 1333 MHz | - |
| 64-bit Computing | Yes | Yes |
| CACHE MEMORY |
|---|
| Cache | 12 MB | 3 MB |
|---|---|---|
| Cache Memory Details | L2 - 6 x 256 KB L3 - 12 MB |
L3 - 3 MB L2 - 8 MB |
| Installed Size | 12 MB | 3 MB |
| Type | Advanced Smart Cache | - |
| EXPANSION & CONNECTIVITY | Intel Xeon E5645 | Intel Xeon E3-1220LV2 |
|---|
| Compatible Slots | 1 x processor | - |
|---|
| MISCELLANEOUS | Intel Xeon E5645 | Intel Xeon E3-1220LV2 |
|---|
| Included Accessories | Cooler (fansink) | - |
|---|---|---|
| Compliant Standards | RoHS | RoHS |
| Service & Support | 1-year warranty | - |
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