In depth comparison and review of Intel Xeon X5647 and Intel Xeon E3-1275LV3. 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 X5647 | Intel Xeon E3-1275LV3 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon X5647 | Intel Xeon E3-1275LV3 |
|---|
| Type | Intel Xeon X5647 | Intel Xeon E3-1275LV3 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA1366 Socket | LGA1150 Socket |
| Manufacturing Process | 32 nm | 22 nm |
| Thermal Design Power | 130 W | 45 W |
| Thermal Specification | 80.4 °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 | Hyper-Threading Technology, Intel Turbo Boost Technology 2.0 |
| PERFORMANCE |
|---|
| Number of Cores | Quad-Core | Quad-Core |
|---|---|---|
| Number of Threads | 8 threads | 8 threads |
| Clock Speed (Frequency) | 2.93 GHz | 2.7 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 Memory Details | L2 - 6 x 256 KB | Smart Cache - 8 MB |
| Installed Size | 12 MB | 8 MB |
| INTEGRATED GRAPHICS (GPU) | Intel Xeon X5647 | Intel Xeon E3-1275LV3 |
|---|
| Type | - | Intel HD Graphics |
|---|---|---|
| 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, Triple Display Capable |
| EXPANSION & CONNECTIVITY | Intel Xeon X5647 | Intel Xeon E3-1275LV3 |
|---|
| Compatible Slots | 1 x processor | - |
|---|
| MISCELLANEOUS | Intel Xeon X5647 | Intel Xeon E3-1275LV3 |
|---|
| Compliant Standards | RoHS | RoHS |
|---|---|---|
| Service & Support | Limited warranty - 3 years | - |
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