In depth comparison and review of Intel Xeon X3440 and Intel Xeon X5647. 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 X3440 | Intel Xeon X5647 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon X3440 | Intel Xeon X5647 |
|---|
| Type | Intel Xeon X3440 | Intel Xeon X5647 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA1156 Socket | LGA1366 Socket |
| Manufacturing Process | 45 nm | 32 nm |
| Thermal Design Power | 95 W | 130 W |
| Thermal Specification | - | 80.4 °C |
| PCI Express Revision | 2.0 | - |
| PCI Express Configurations | 1x16, 2x8, 4x4 | - |
| PCI Express Lanes Qty | 16 | - |
| Architecture Features | Enhanced SpeedStep technology, Demand Based Switching, Intel Virtualization Technology, Enhanced Halt State (C1E) | Hyper-Threading Technology, Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology |
| PERFORMANCE |
|---|
| Number of Cores | Quad-Core | Quad-Core |
|---|---|---|
| Number of Threads | 8 threads | 8 threads |
| Clock Speed (Frequency) | 2.53 GHz | 2.93 GHz |
| Max Turbo Speed | 2.93 GHz | 3.2 GHz |
| Bus Speed | - | 1333 MHz |
| 64-bit Computing | Yes | Yes |
| CACHE MEMORY |
|---|
| Cache | 8 MB | 12 MB |
|---|---|---|
| Cache Memory Details | L3 - 8 MB | L2 - 6 x 256 KB |
| Installed Size | 8 MB | 12 MB |
| EXPANSION & CONNECTIVITY | Intel Xeon X3440 | Intel Xeon X5647 |
|---|
| Compatible Slots | 1 x processor | 1 x processor |
|---|
| MISCELLANEOUS | Intel Xeon X3440 | Intel Xeon X5647 |
|---|
| Compliant Standards | RoHS | RoHS |
|---|---|---|
| Service & Support | Limited warranty - 3 years | Limited warranty - 3 years |
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