Side by side comparison and review of Intel Xeon E5-2640 and Intel Core i7 3820QM (3rd Gen). Compare overall performance, core and thread counts, cache memory, speed, power efficiency, dimensions, socket compatibility and other key specifications and features to simplify the choice of your perfect CPU. Our goal is to make it easier for you to decide on the processor that will best meet your expectations by revealing the main differences between the products.
| GENERAL | Intel Xeon E5-2640 | Intel Core i7 3820QM (3rd Gen) |
|---|
| Product Type | Processor | Processor (mobile) |
|---|
| PROCESSOR | Intel Xeon E5-2640 | Intel Core i7 3820QM (3rd Gen) |
|---|
| Type | Intel Xeon E5-2640 | Intel Core i7 3820QM (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 | 95 W | 45 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 | Enhanced SpeedStep technology, Hyper-Threading Technology, Demand Based Switching, Execute Disable Bit capability, Intel 64 Technology, Intel Trusted Execution Technology, Intel Flex Memory Access, Intel Turbo Boost Technology 2.0, Intel AES New Instructions (AES-NI), Thermal Monitoring Technologies, Intel Virtualization Technology for Directed I/O (VT-d), Intel vPro Technology, Idle States | Hyper-Threading Technology, Intel Turbo Boost Technology 2.0, Intel vPro Technology |
| PERFORMANCE |
|---|
| Number of Cores | 6-core | Quad-Core |
|---|---|---|
| Number of Threads | 12 threads | 8 threads |
| Clock Speed (Frequency) | 2.5 GHz | 2.7 GHz |
| Max Turbo Speed | 3 GHz | 3.7 GHz |
| Bus Speed | 1333 MHz | - |
| 64-bit Computing | Yes | Yes |
| CACHE MEMORY |
|---|
| Cache | 15 MB | 8 MB |
|---|---|---|
| Cache Memory Details | Smart Cache - 15 MB | L3 - 8 MB |
| Installed Size | 15 MB | 8 MB |
| INTEGRATED GRAPHICS (GPU) | Intel Xeon E5-2640 | Intel Core i7 3820QM (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 E5-2640 | Intel Core i7 3820QM (3rd Gen) |
|---|
| Compatible Slots | 1 x processor - LGA2011 Socket | - |
|---|
| MISCELLANEOUS | Intel Xeon E5-2640 | Intel Core i7 3820QM (3rd Gen) |
|---|
| Included Accessories | Cooler (fansink) | - |
|---|---|---|
| Compliant Standards | RoHS | Halogen-free |
| Service & Support | Limited warranty - 1 year - on-site | Limited warranty - 3 years |
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