In depth comparison and review of Intel Xeon E5-2643 and Intel Core i7 3520M (3rd Gen). 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 E5-2643 | Intel Core i7 3520M (3rd Gen) |
|---|
| Product Type | Processor | Processor (mobile) |
|---|
| PROCESSOR | Intel Xeon E5-2643 | Intel Core i7 3520M (3rd Gen) |
|---|
| Type | Intel Xeon E5-2643 | Intel Core i7 3520M (3rd Gen) |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA2011 Socket | PGA988 Socket |
| Core Voltage | 0.6 V - 1.35 V | - |
| Manufacturing Process | 32 nm | 22 nm |
| Thermal Design Power | 130 W | 35 W |
| Thermal Specification | 73 °C | 105 °C |
| PCI Express Revision | 3.0 | 3.0 |
| PCI Express Configurations | - | 1x16, 2x8, 1x8+2x4 |
| PCI Express Lanes Qty | 40 | 16 |
| Architecture Features | Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology | Enhanced SpeedStep technology, Hyper-Threading Technology, Intel Virtualization Technology, Intel 64 Technology, Intel Trusted Execution Technology, Intel Turbo Boost Technology 2.0 |
| PERFORMANCE |
|---|
| Number of Cores | Quad-Core | Dual-Core |
|---|---|---|
| Number of Threads | 8 threads | 4 threads |
| Clock Speed (Frequency) | 3.3 GHz | 2.9 GHz |
| Max Turbo Speed | 3.5 GHz | 3.6 GHz |
| Bus Speed | 1600 MHz | 1600 MHz |
| 64-bit Computing | Yes | - |
| CACHE MEMORY |
|---|
| Cache | 10 MB | 4 MB |
|---|---|---|
| Cache Memory Details | L3 - 10 MB | Smart Cache - 4 MB |
| Installed Size | 10 MB | 4 MB |
| INTEGRATED GRAPHICS (GPU) | Intel Xeon E5-2643 | Intel Core i7 3520M (3rd Gen) |
|---|
| Type | - | Intel HD Graphics 4000 |
|---|---|---|
| Base Frequency | - | 650 MHz |
| Max Dynamic Frequency | - | 1.25 GHz |
| Features | - | Dual Display Capable, Intel FDI, Intel Clear Video HD Technology, InTRU 3D Technology, Intel Quick Sync Video, Intel Wireless Display (WiDi), Intel Insider |
| EXPANSION & CONNECTIVITY | Intel Xeon E5-2643 | Intel Core i7 3520M (3rd Gen) |
|---|
| Compatible Slots | 1 x processor - LGA2011 Socket | - |
|---|
| MISCELLANEOUS | Intel Xeon E5-2643 | Intel Core i7 3520M (3rd Gen) |
|---|
| Included Accessories | Heat sink | - |
|---|---|---|
| Compliant Standards | RoHS | - |
| Service & Support | Limited warranty - 1 year | - |
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