Side by side comparison and review of Intel Core i7 3820QM (3rd Gen) and Intel Xeon E7520. 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 Core i7 3820QM (3rd Gen) | Intel Xeon E7520 |
|---|
| Product Type | Processor (mobile) | Processor |
|---|
| PROCESSOR | Intel Core i7 3820QM (3rd Gen) | Intel Xeon E7520 |
|---|
| Type | Intel Core i7 3820QM (3rd Gen) | Intel Xeon E7520 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | PGA988 Socket | LGA1567 Socket |
| Manufacturing Process | 22 nm | 45 nm |
| Thermal Design Power | 45 W | 95 W |
| Thermal Specification | 105 °C | 70 °C |
| PCI Express Revision | 3.0 | - |
| PCI Express Configurations | 1x16, 2x8, 1x8+2x4 | - |
| PCI Express Lanes Qty | 16 | - |
| Architecture Features | Hyper-Threading Technology, Intel Turbo Boost Technology 2.0, Intel vPro Technology | Enhanced SpeedStep technology, Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology |
| PERFORMANCE |
|---|
| Number of Cores | Quad-Core | Quad-Core |
|---|---|---|
| Number of Threads | 8 threads | 8 threads |
| Clock Speed (Frequency) | 2.7 GHz | 1.87 GHz |
| Max Turbo Speed | 3.7 GHz | - |
| 64-bit Computing | Yes | Yes |
| CACHE MEMORY |
|---|
| Cache | 8 MB | 18 MB |
|---|---|---|
| Cache Memory Details | L3 - 8 MB | L3 - 18 MB |
| Installed Size | 8 MB | 18 MB |
| INTEGRATED GRAPHICS (GPU) | Intel Core i7 3820QM (3rd Gen) | Intel Xeon E7520 |
|---|
| 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 E7520 |
|---|
| Compatible Slots | - | 2 x processor |
|---|
| MISCELLANEOUS | Intel Core i7 3820QM (3rd Gen) | Intel Xeon E7520 |
|---|
| Compliant Standards | Halogen-free | RoHS |
|---|---|---|
| Service & Support | Limited warranty - 3 years | Limited warranty - 3 years |
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