In depth comparison and review of Intel Xeon E7520 and Intel Xeon E5-2643V2. 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 E7520 | Intel Xeon E5-2643V2 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon E7520 | Intel Xeon E5-2643V2 |
|---|
| Type | Intel Xeon E7520 | Intel Xeon E5-2643V2 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA1567 Socket | LGA2011 Socket |
| Core Voltage | - | 0.65 V - 1.30 V |
| Manufacturing Process | 45 nm | 22 nm |
| Thermal Design Power | 95 W | 130 W |
| Thermal Specification | 70 °C | 74 °C |
| PCI Express Revision | - | 3.0 |
| PCI Express Configurations | - | X16, x4, x8 |
| PCI Express Lanes Qty | - | 40 |
| Architecture Features | Enhanced SpeedStep technology, Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology | SpeedStep technology, Hyper-Threading Technology, Intel Virtualization Technology, Intel Turbo Boost Technology |
| PERFORMANCE |
|---|
| Number of Cores | Quad-Core | 6-core |
|---|---|---|
| Number of Threads | 8 threads | 12 threads |
| Clock Speed (Frequency) | 1.87 GHz | 3.5 GHz |
| Max Turbo Speed | - | 3.8 GHz |
| Bus Speed | - | 1866 MHz |
| 64-bit Computing | Yes | - |
| CACHE MEMORY |
|---|
| Cache | 18 MB | 25 MB |
|---|---|---|
| Cache Memory Details | L3 - 18 MB | 25 MB |
| Installed Size | 18 MB | 25 MB |
| EXPANSION & CONNECTIVITY | Intel Xeon E7520 | Intel Xeon E5-2643V2 |
|---|
| Compatible Slots | 2 x processor | - |
|---|
| MISCELLANEOUS | Intel Xeon E7520 | Intel Xeon E5-2643V2 |
|---|
| Included Accessories | - | Passive heatsink |
|---|---|---|
| Compliant Standards | RoHS | RoHS |
| Service & Support | Limited warranty - 3 years | Limited warranty - 1 year |
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