In depth comparison and review of Intel Xeon E5-4640 and Intel Xeon E3-1245V3. 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 E5-4640 | Intel Xeon E3-1245V3 |
|---|
| Product Type | Processor | Processor |
|---|---|---|
| Packaged Quantity | 2 (specifications are for single item) | - |
| PROCESSOR | Intel Xeon E5-4640 | Intel Xeon E3-1245V3 |
|---|
| Type | Intel Xeon E5-4640 | Intel Xeon E3-1245V3 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA2011 Socket | LGA1150 Socket |
| Core Voltage | 0.6 V - 1.35 V | - |
| Manufacturing Process | 32 nm | 22 nm |
| Thermal Design Power | 95 W | 95 W |
| PCI Express Revision | 3.0 | 3.0 |
| PCI Express Configurations | - | 1x16, 2x8, 1x8, 2x4 |
| PCI Express Lanes Qty | 40 | 16 |
| Architecture Features | SpeedStep technology, Execute Disable Bit capability, Intel Trusted Execution Technology, Intel Turbo Boost Technology 2.0, Intel vPro Technology | Intel Turbo Boost Technology 2.0, Intel vPro Technology |
| PERFORMANCE |
|---|
| Number of Cores | 8-core | Quad-Core |
|---|---|---|
| Number of Threads | 16 threads | 8 threads |
| Clock Speed (Frequency) | 2.4 GHz | 3.4 GHz |
| Max Turbo Speed | 2.8 GHz | 3.8 GHz |
| Bus Speed | 1600 MHz | - |
| 64-bit Computing | Yes | - |
| CACHE MEMORY |
|---|
| Cache | 20 MB | 8 MB |
|---|---|---|
| Cache Memory Details | L3 - 16 MB | L3 - 8 MB |
| Installed Size | 20 MB | 8 MB |
| INTEGRATED GRAPHICS (GPU) | Intel Xeon E5-4640 | Intel Xeon E3-1245V3 |
|---|
| Base Frequency | - | 350 MHz |
|---|---|---|
| Max Dynamic Frequency | - | 1.2 GHz |
| Features | - | Intel FDI, Intel Quick Sync Video, Triple Display Capable |
| EXPANSION & CONNECTIVITY | Intel Xeon E5-4640 | Intel Xeon E3-1245V3 |
|---|
| Compatible Slots | 1 x processor - LGA2011 Socket | - |
|---|
| MISCELLANEOUS | Intel Xeon E5-4640 | Intel Xeon E3-1245V3 |
|---|
| Compliant Standards | Halogen-free | - |
|---|
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