In depth comparison and review of Intel Xeon X5660 and Intel Xeon E3-1270V3. Compare dimensions, performance, cache memory, number of cores, clock speed, RAM, power efficiency and other important specifications and features to easily choose the right CPU for you. Our goal is to help you uncover differences between the products and find the processor that will best fit your needs.
| GENERAL | Intel Xeon X5660 | Intel Xeon E3-1270V3 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon X5660 | Intel Xeon E3-1270V3 |
|---|
| Type | Intel Xeon X5660 | Intel Xeon E3-1270V3 |
|---|
| 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 | 80 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 | SpeedStep technology, Hyper-Threading Technology, Intel Virtualization Technology, Intel Turbo Boost Technology 2.0 |
| PERFORMANCE |
|---|
| Number of Cores | 6-core | Quad-Core |
|---|---|---|
| Number of Threads | 12 threads | 8 threads |
| Clock Speed (Frequency) | 2.8 GHz | 3.5 GHz |
| Max Turbo Speed | 3.2 GHz | 3.9 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 |
Smart Cache - 8 MB |
| Installed Size | 12 MB | 8 MB |
| RAM |
|---|
| Max Supported Size | 288 GB | - |
|---|---|---|
| Technology | DDR3 SDRAM | - |
| EXPANSION & CONNECTIVITY | Intel Xeon X5660 | Intel Xeon E3-1270V3 |
|---|
| Compatible Slots | 1 x processor | - |
|---|
| MISCELLANEOUS | Intel Xeon X5660 | Intel Xeon E3-1270V3 |
|---|
| Included Accessories | Heat sink | - |
|---|---|---|
| Compliant Standards | RoHS | - |
| Service & Support | Limited warranty - 1 year - on-site | Limited warranty - 3 years |
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