Side by side comparison and review of Intel Xeon X5660 and Intel Xeon E3-1245V3. 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 X5660 | Intel Xeon E3-1245V3 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon X5660 | Intel Xeon E3-1245V3 |
|---|
| Type | Intel Xeon X5660 | Intel Xeon E3-1245V3 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA1366 Socket | LGA1150 Socket |
| Core Voltage | 1.3 V | - |
| Manufacturing Process | 32 nm | 22 nm |
| Thermal Design Power | 95 W | 95 W |
| Thermal Specification | 81.3 °C | - |
| PCI Express Revision | - | 3.0 |
| PCI Express Configurations | - | 1x16, 2x8, 1x8, 2x4 |
| PCI Express Lanes Qty | - | 16 |
| Architecture Features | Hyper-Threading Technology, Demand Based Switching, Execute Disable Bit capability, Intel Virtualization 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) | 2.8 GHz | 3.4 GHz |
| Max Turbo Speed | 3.2 GHz | 3.8 GHz |
| Bus Speed | 1333 MHz | - |
| 64-bit Computing | Yes | - |
| CACHE MEMORY |
|---|
| Cache | 12 MB | 8 MB |
|---|---|---|
| Cache Level 1 Size | 384 KB | - |
| Cache Memory Details | L3 - 12 MB L2 - 1 MB |
L3 - 8 MB |
| Installed Size | 12 MB | 8 MB |
| RAM |
|---|
| Max Supported Size | 288 GB | - |
|---|---|---|
| Technology | DDR3 SDRAM | - |
| INTEGRATED GRAPHICS (GPU) | Intel Xeon X5660 | Intel Xeon E3-1245V3 |
|---|
| Base Frequency | - | 350 MHz |
|---|---|---|
| Max Dynamic Frequency | - | 1.2 GHz |
| Features | - | Intel FDI, Intel Quick Sync Video, Triple Display Capable |
| EXPANSION & CONNECTIVITY | Intel Xeon X5660 | Intel Xeon E3-1245V3 |
|---|
| Compatible Slots | 1 x processor | - |
|---|
| MISCELLANEOUS | Intel Xeon X5660 | Intel Xeon E3-1245V3 |
|---|
| Included Accessories | Heat sink | - |
|---|---|---|
| Compliant Standards | RoHS | - |
| Service & Support | Limited warranty - 1 year - on-site | - |
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