Detailed comparison and review of Intel Xeon E5520 and AMD Phenom II X4 945. 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 E5520 | AMD Phenom II X4 945 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon E5520 | AMD Phenom II X4 945 |
|---|
| Type | Intel Xeon E5520 | AMD Phenom II X4 945 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Max Supported Qty | - | 1 |
| Packaging Type | FC-LGA8 | - |
| Compatible Processor Socket | LGA1366 Socket | Socket AM3 |
| Power Efficiency | - | Energy Efficient |
| Core Voltage | 1.4 V | - |
| Manufacturing Process | 45 nm | 45 nm |
| Thermal Design Power | 80 W | 95 W |
| Thermal Specification | 76 °C | 71 °C |
| Architecture Features | Hyper-Threading Technology, Intel Intelligent Power Technology, Intel Data Center Manager | HyperTransport technology, AMD64 technology, integrated memory controller, Enhanced Virus Protection, AMD Cool'n'Quiet Technology, AMD Virtualization, AMD CoolCore Technology |
| PERFORMANCE |
|---|
| Number of Cores | Quad-Core | Quad-Core |
|---|---|---|
| Number of Threads | 8 threads | - |
| Clock Speed (Frequency) | 2.26 GHz | 3 GHz |
| Max Turbo Speed | 2.53 GHz | - |
| Bus Speed | 1066 MHz | - |
| 64-bit Computing | Yes | Yes |
| CACHE MEMORY |
|---|
| Cache | 8 MB | - |
|---|---|---|
| Cache Memory Details | Smart Cache - 8 MB | L2 - 4 x 512 KB L3 - 6 MB |
| Installed Size | 8 MB | 6 MB |
| Type | Advanced Smart Cache | - |
| RAM |
|---|
| Technology | DDR3 SDRAM - 1066 MHz | - |
|---|
| EXPANSION & CONNECTIVITY | Intel Xeon E5520 | AMD Phenom II X4 945 |
|---|
| Compatible Slots | 1 x processor | 1 x processor - Socket AM3 |
|---|
| MISCELLANEOUS | Intel Xeon E5520 | AMD Phenom II X4 945 |
|---|
| Included Accessories | Heat sink | - |
|---|---|---|
| Compliant Standards | RoHS | - |
| Service & Support | 1-year warranty | Limited warranty - 3 years |
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