Side by side comparison and review of Intel Xeon E3-1220V2 and Intel Xeon E5520. 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 E3-1220V2 | Intel Xeon E5520 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon E3-1220V2 | Intel Xeon E5520 |
|---|
| Type | Intel Xeon E3-1220V2 | Intel Xeon E5520 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Packaging Type | - | FC-LGA8 |
| Compatible Processor Socket | LGA1155 Socket | LGA1366 Socket |
| Core Voltage | - | 1.4 V |
| Manufacturing Process | 22 nm | 45 nm |
| Thermal Design Power | 69 W | 80 W |
| Thermal Specification | - | 76 °C |
| PCI Express Revision | 3.0 | - |
| PCI Express Configurations | 1x16+1x4, 1x8+3x4, 2x8+1x4 | - |
| Architecture Features | Enhanced SpeedStep technology, Intel Virtualization Technology, Intel VT-x with Extended Page Tables (EPT) | Hyper-Threading Technology, Intel Intelligent Power Technology, Intel Data Center Manager |
| PERFORMANCE |
|---|
| Number of Cores | Quad-Core | Quad-Core |
|---|---|---|
| Number of Threads | 4 threads | 8 threads |
| Clock Speed (Frequency) | 3.1 GHz | 2.26 GHz |
| Max Turbo Speed | 3.5 GHz | 2.53 GHz |
| Bus Speed | - | 1066 MHz |
| 64-bit Computing | Yes | Yes |
| CACHE MEMORY |
|---|
| Cache | 8 MB | 8 MB |
|---|---|---|
| Cache Memory Details | L3 - 8 MB | Smart Cache - 8 MB |
| Installed Size | 8 MB | 8 MB |
| Type | - | Advanced Smart Cache |
| RAM |
|---|
| Technology | - | DDR3 SDRAM - 1066 MHz |
|---|
| EXPANSION & CONNECTIVITY | Intel Xeon E3-1220V2 | Intel Xeon E5520 |
|---|
| Compatible Slots | - | 1 x processor |
|---|
| MISCELLANEOUS | Intel Xeon E3-1220V2 | Intel Xeon E5520 |
|---|
| Included Accessories | Heat pipe | Heat sink |
|---|---|---|
| Compliant Standards | RoHS | RoHS |
| Service & Support | Limited warranty - 90 days | 1-year warranty |
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