Detailed comparison and review of Intel Xeon E5645 and Intel Xeon E5-2450. With our comprehensive overview, you can simply compare overall performance, cache sizes, RAM, power efficiency, architecture, but also other key features of both processors and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the processor that best fits your needs and expectations.
| GENERAL | Intel Xeon E5645 | Intel Xeon E5-2450 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon E5645 | Intel Xeon E5-2450 |
|---|
| Type | Intel Xeon E5645 | Intel Xeon E5-2450 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Max Supported Qty | 1 | - |
| Compatible Processor Socket | LGA1366 Socket | LGA1356 Socket |
| Core Voltage | 0.75 V - 1.35 V | 0.6 V - 1.35 V |
| Manufacturing Process | 32 nm | 32 nm |
| Thermal Design Power | 80 W | 95 W |
| Thermal Specification | 76.2 °C | - |
| PCI Express Revision | - | 3.0 |
| PCI Express Lanes Qty | - | 24 |
| Architecture Features | Hyper-Threading Technology, Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology | Enhanced SpeedStep technology, Hyper-Threading Technology, Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel Trusted Execution Technology, Intel Flex Memory Access, Intel Turbo Boost Technology 2.0, Intel Advanced Vector Extensions (AVX), Intel AES New Instructions (AES-NI), Thermal Monitoring Technologies, Intel Virtualization Technology for Directed I/O (VT-d), Intel vPro Technology, Idle States |
| PERFORMANCE |
|---|
| Number of Cores | 6-core | 8-core |
|---|---|---|
| Number of Threads | 12 threads | 16 threads |
| Clock Speed (Frequency) | 2.4 GHz | 2.1 GHz |
| Max Turbo Speed | 2.67 GHz | 2.9 GHz |
| Bus Speed | 1333 MHz | 1600 MHz |
| 64-bit Computing | Yes | Yes |
| CACHE MEMORY |
|---|
| Cache | 12 MB | 20 MB |
|---|---|---|
| Cache Memory Details | L2 - 6 x 256 KB L3 - 12 MB |
Smart Cache - 20 MB |
| Installed Size | 12 MB | 20 MB |
| Type | Advanced Smart Cache | - |
| EXPANSION & CONNECTIVITY | Intel Xeon E5645 | Intel Xeon E5-2450 |
|---|
| Compatible Slots | 1 x processor | 1 x processor - LGA1356 Socket |
|---|
| MISCELLANEOUS | Intel Xeon E5645 | Intel Xeon E5-2450 |
|---|
| Included Accessories | Cooler (fansink) | Heat sink |
|---|---|---|
| Compliant Standards | RoHS | RoHS |
| Service & Support | 1-year warranty | - |
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