In depth comparison and review of Intel Xeon E3-1281V3 and Intel Xeon 5120. 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 E3-1281V3 | Intel Xeon 5120 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon E3-1281V3 | Intel Xeon 5120 |
|---|
| Type | Intel Xeon E3-1281V3 | Intel Xeon 5120 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Packaging Type | - | FC-LGA6 |
| Compatible Processor Socket | LGA1150 Socket | LGA771 Socket |
| Manufacturing Process | 22 nm | 65 nm |
| Thermal Design Power | 82 W | 65 W |
| Thermal Specification | - | 65 °C |
| PCI Express Revision | 3.0 | - |
| PCI Express Configurations | 1x16, 2x8, 1x8, 2x4 | - |
| PCI Express Lanes Qty | 16 | - |
| Architecture Features | SpeedStep technology, Hyper-Threading Technology, Intel Virtualization Technology, Intel Turbo Boost Technology | Streaming SIMD extensions 3, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology |
| PERFORMANCE |
|---|
| Number of Cores | Quad-Core | Dual-Core |
|---|---|---|
| Number of Threads | 8 threads | - |
| Clock Speed (Frequency) | 3.7 GHz | 1.86 GHz |
| Max Turbo Speed | 4.1 GHz | - |
| Bus Speed | - | 1066 MHz |
| 64-bit Computing | - | Yes |
| CACHE MEMORY |
|---|
| Cache | 8 MB | 4 MB |
|---|---|---|
| Cache Memory Details | L3 - 8 MB | L2 - 4 MB |
| Installed Size | 8 MB | 4 MB |
| Type | - | Advanced Smart Cache |
| RAM |
|---|
| Installed RAM Size | 32 GB | - |
|---|
| EXPANSION & CONNECTIVITY | Intel Xeon E3-1281V3 | Intel Xeon 5120 |
|---|
| Compatible Slots | 1 x processor - LGA1150 Socket | 1 x processor |
|---|
| MISCELLANEOUS | Intel Xeon E3-1281V3 | Intel Xeon 5120 |
|---|
| Included Accessories | - | Heat pipe |
|---|---|---|
| Compliant Standards | RoHS | - |
| Service & Support | - | Limited warranty - 90 days |
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