Side by side comparison and review of Intel Xeon W3520 and Intel Core i7 2820QM (2nd 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 W3520 | Intel Core i7 2820QM (2nd Gen) |
|---|
| Product Type | Processor | Processor (mobile) |
|---|
| PROCESSOR | Intel Xeon W3520 | Intel Core i7 2820QM (2nd Gen) |
|---|
| Type | Intel Xeon W3520 | Intel Core i7 2820QM (2nd Gen) |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Packaging Type | FC-LGA8 | 988-pin Micro FCPGA |
| Compatible Processor Socket | LGA1366 Socket | - |
| Manufacturing Process | 45 nm | 32 nm |
| Thermal Design Power | 130 W | 45 W |
| Thermal Specification | 67.9 °C | 100 °C |
| PCI Express Revision | - | 2.0 |
| PCI Express Configurations | - | 1x16, 2x8, 1x8+2x4 |
| PCI Express Lanes Qty | - | 16 |
| Architecture Features | Enhanced SpeedStep technology, streaming SIMD extensions 2, Hyper-Threading Technology, integrated memory controller, streaming SIMD extensions 3, Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel I/O Acceleration Technology, streaming SIMD extensions 4 | Hyper-Threading Technology, Intel Turbo Boost Technology 2.0, Intel vPro Technology |
| PERFORMANCE |
|---|
| Number of Cores | Quad-Core | Quad-Core |
|---|---|---|
| Number of Threads | 8 threads | 8 threads |
| Clock Speed (Frequency) | 2.66 GHz | 2.3 GHz |
| Max Turbo Speed | 2.93 GHz | 3.4 GHz |
| Bus Speed | 1066 MHz | - |
| 64-bit Computing | Yes | Yes |
| CACHE MEMORY |
|---|
| Cache | 8 MB | 8 MB |
|---|---|---|
| Cache Memory Details | L3 - 8 MB | L3 - 8 MB |
| Installed Size | 8 MB | 8 MB |
| Type | Advanced Smart Cache | - |
| RAM |
|---|
| Technology | - ECC | - |
|---|
| EXPANSION & CONNECTIVITY | Intel Xeon W3520 | Intel Core i7 2820QM (2nd Gen) |
|---|
| Interfaces | - GT5 | - |
|---|---|---|
| Compatible Slots | 1 x processor | 1 x processor |
| MISCELLANEOUS | Intel Xeon W3520 | Intel Core i7 2820QM (2nd Gen) |
|---|
| Service & Support | Limited warranty - 90 days | Limited warranty - 3 years |
|---|
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