Detailed comparison and review of Intel Xeon E3-1280V3 and Intel Xeon E5520. 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 E3-1280V3 | Intel Xeon E5520 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon E3-1280V3 | Intel Xeon E5520 |
|---|
| Type | Intel Xeon E3-1280V3 | Intel Xeon E5520 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Packaging Type | - | FC-LGA8 |
| Compatible Processor Socket | LGA1150 Socket | LGA1366 Socket |
| Core Voltage | - | 1.4 V |
| Manufacturing Process | 22 nm | 45 nm |
| Thermal Design Power | 82 W | 80 W |
| Thermal Specification | - | 76 °C |
| PCI Express Revision | 3.0 | - |
| PCI Express Configurations | 1x16, 2x8, 1x8, 2x4 | - |
| PCI Express Lanes Qty | 16 | - |
| Architecture Features | SpeedStep technology, Hyper-Threading Technology, Intel Virtualization Technology, Intel Turbo Boost Technology | Hyper-Threading Technology, Intel Intelligent Power Technology, Intel Data Center Manager |
| PERFORMANCE |
|---|
| Number of Cores | Quad-Core | Quad-Core |
|---|---|---|
| Number of Threads | 8 threads | 8 threads |
| Clock Speed (Frequency) | 3.6 GHz | 2.26 GHz |
| Max Turbo Speed | 4 GHz | 2.53 GHz |
| Bus Speed | 1600 MHz | 1066 MHz |
| 64-bit Computing | - | Yes |
| CACHE MEMORY |
|---|
| Cache | 8 MB | 8 MB |
|---|---|---|
| Cache Memory Details | L3 - TLC NAND Flash - 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 E3-1280V3 | Intel Xeon E5520 |
|---|
| Compatible Slots | - | 1 x processor |
|---|
| MISCELLANEOUS | Intel Xeon E3-1280V3 | Intel Xeon E5520 |
|---|
| Included Accessories | - | Heat sink |
|---|---|---|
| Compliant Standards | RoHS | RoHS |
| Service & Support | - | 1-year warranty |
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