In depth comparison and review of Intel Core i7 3820QM (3rd Gen) and Intel Xeon E5-4640. 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 Core i7 3820QM (3rd Gen) | Intel Xeon E5-4640 |
|---|
| Product Type | Processor (mobile) | Processor |
|---|---|---|
| Packaged Quantity | - | 2 (specifications are for single item) |
| PROCESSOR | Intel Core i7 3820QM (3rd Gen) | Intel Xeon E5-4640 |
|---|
| Type | Intel Core i7 3820QM (3rd Gen) | Intel Xeon E5-4640 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | PGA988 Socket | LGA2011 Socket |
| Core Voltage | - | 0.6 V - 1.35 V |
| Manufacturing Process | 22 nm | 32 nm |
| Thermal Design Power | 45 W | 95 W |
| Thermal Specification | 105 °C | - |
| PCI Express Revision | 3.0 | 3.0 |
| PCI Express Configurations | 1x16, 2x8, 1x8+2x4 | - |
| PCI Express Lanes Qty | 16 | 40 |
| Architecture Features | Hyper-Threading Technology, Intel Turbo Boost Technology 2.0, Intel vPro Technology | SpeedStep technology, Execute Disable Bit capability, Intel Trusted Execution Technology, Intel Turbo Boost Technology 2.0, Intel vPro Technology |
| PERFORMANCE |
|---|
| Number of Cores | Quad-Core | 8-core |
|---|---|---|
| Number of Threads | 8 threads | 16 threads |
| Clock Speed (Frequency) | 2.7 GHz | 2.4 GHz |
| Max Turbo Speed | 3.7 GHz | 2.8 GHz |
| Bus Speed | - | 1600 MHz |
| 64-bit Computing | Yes | Yes |
| CACHE MEMORY |
|---|
| Cache | 8 MB | 20 MB |
|---|---|---|
| Cache Memory Details | L3 - 8 MB | L3 - 16 MB |
| Installed Size | 8 MB | 20 MB |
| INTEGRATED GRAPHICS (GPU) | Intel Core i7 3820QM (3rd Gen) | Intel Xeon E5-4640 |
|---|
| 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 Core i7 3820QM (3rd Gen) | Intel Xeon E5-4640 |
|---|
| Compatible Slots | - | 1 x processor - LGA2011 Socket |
|---|
| MISCELLANEOUS | Intel Core i7 3820QM (3rd Gen) | Intel Xeon E5-4640 |
|---|
| Compliant Standards | Halogen-free | Halogen-free |
|---|---|---|
| Service & Support | Limited warranty - 3 years | - |
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