In depth comparison and review of Intel Xeon L5520 and Intel Xeon E3-1270V3. 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 L5520 | Intel Xeon E3-1270V3 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon L5520 | Intel Xeon E3-1270V3 |
|---|
| Type | Intel Xeon L5520 | Intel Xeon E3-1270V3 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA1366 Socket | LGA1150 Socket |
| Power Efficiency | Low-Voltage (LV) | - |
| Core Voltage | 0.75 V - 1.35 V | - |
| Manufacturing Process | 45 nm | 22 nm |
| Thermal Design Power | 60 W | 80 W |
| Thermal Specification | 70 °C | - |
| PCI Express Revision | - | 3.0 |
| PCI Express Configurations | - | 1x16, 2x8, 1x8, 2x4 |
| PCI Express Lanes Qty | - | 16 |
| Architecture Features | Enhanced SpeedStep technology, Demand Based Switching, Intel Virtualization Technology | SpeedStep technology, Hyper-Threading Technology, Intel Virtualization Technology, Intel Turbo Boost Technology 2.0 |
| PERFORMANCE |
|---|
| Number of Cores | Quad-Core | Quad-Core |
|---|---|---|
| Number of Threads | 8 threads | 8 threads |
| Clock Speed (Frequency) | 2.26 GHz | 3.5 GHz |
| Max Turbo Speed | - | 3.9 GHz |
| Bus Speed | 1066 MHz | - |
| 64-bit Computing | Yes | - |
| CACHE MEMORY |
|---|
| Cache | 8 MB | 8 MB |
|---|---|---|
| Cache Level 1 Size | 256 KB | - |
| Cache Memory Details | L3 - 8 MB | Smart Cache - 8 MB |
| Installed Size | 8 MB | 8 MB |
| Type | Advanced Smart Cache | - |
| RAM |
|---|
| Installed RAM Size | 1066 MB | - |
|---|---|---|
| Technology | DDR3 SDRAM - 1066 MHz | - |
| EXPANSION & CONNECTIVITY | Intel Xeon L5520 | Intel Xeon E3-1270V3 |
|---|
| Compatible Slots | 1 x processor | - |
|---|
| MISCELLANEOUS | Intel Xeon L5520 | Intel Xeon E3-1270V3 |
|---|
| Included Accessories | Heat pipe | - |
|---|---|---|
| Compliant Standards | RoHS | - |
| Service & Support | Limited warranty - 1 year | Limited warranty - 3 years |
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