Side by side comparison and review of Intel Xeon W3520 and Intel Xeon E3-1246V3. 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 Xeon E3-1246V3 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon W3520 | Intel Xeon E3-1246V3 |
|---|
| Type | Intel Xeon W3520 | Intel Xeon E3-1246V3 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Packaging Type | FC-LGA8 | - |
| Compatible Processor Socket | LGA1366 Socket | LGA1150 Socket |
| Manufacturing Process | 45 nm | 22 nm |
| Thermal Design Power | 130 W | 84 W |
| Thermal Specification | 67.9 °C | - |
| PCI Express Revision | - | 3.0 |
| 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 | SpeedStep technology, Hyper-Threading Technology, Intel Virtualization Technology, Intel Turbo Boost Technology |
| PERFORMANCE |
|---|
| Number of Cores | Quad-Core | Quad-Core |
|---|---|---|
| Number of Threads | 8 threads | 8 threads |
| Clock Speed (Frequency) | 2.66 GHz | 3.5 GHz |
| Max Turbo Speed | 2.93 GHz | 3.9 GHz |
| Bus Speed | 1066 MHz | - |
| 64-bit Computing | 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 | - |
|---|
| INTEGRATED GRAPHICS (GPU) | Intel Xeon W3520 | Intel Xeon E3-1246V3 |
|---|
| Type | - | Intel HD Graphics P4600 |
|---|---|---|
| Base Frequency | - | 350 MHz |
| Max Dynamic Frequency | - | 1.2 GHz |
| Max Supported Memory Size | - | 1.7 GB |
| Max Supported Resolution | - | 3840x2160@60Hz (DP), 2880x1800@60Hz (VGA), 3840x2160@60Hz (HDMI) |
| Features | - | Intel FDI, Intel Clear Video HD Technology, InTRU 3D Technology, Intel Quick Sync Video |
| EXPANSION & CONNECTIVITY | Intel Xeon W3520 | Intel Xeon E3-1246V3 |
|---|
| Interfaces | - GT5 | - |
|---|---|---|
| Compatible Slots | 1 x processor | - |
| MISCELLANEOUS | Intel Xeon W3520 | Intel Xeon E3-1246V3 |
|---|
| Compliant Standards | - | RoHS |
|---|---|---|
| Service & Support | Limited warranty - 90 days | - |
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