In depth comparison and review of Intel Xeon E5520 and AMD R-series Embedded RX-421ND. 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 E5520 | AMD R-series Embedded RX-421ND |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon E5520 | AMD R-series Embedded RX-421ND |
|---|
| Type | Intel Xeon E5520 | AMD R-series Embedded RX-421ND |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Packaging Type | FC-LGA8 | - |
| Compatible Processor Socket | LGA1366 Socket | Socket FP4 |
| Core Voltage | 1.4 V | - |
| Manufacturing Process | 45 nm | - |
| Thermal Design Power | 80 W | 35 W |
| Thermal Specification | 76 °C | - |
| PCI Express Revision | - | 3.0 |
| PCI Express Lanes Qty | - | 12 |
| Architecture Features | Hyper-Threading Technology, Intel Intelligent Power Technology, Intel Data Center Manager | - |
| PERFORMANCE |
|---|
| Number of Cores | Quad-Core | Quad-Core |
|---|---|---|
| Number of Threads | 8 threads | - |
| Clock Speed (Frequency) | 2.26 GHz | 2.1 GHz |
| Max Turbo Speed | 2.53 GHz | 3.4 GHz |
| Bus Speed | 1066 MHz | - |
| 64-bit Computing | Yes | - |
| CACHE MEMORY |
|---|
| Cache | 8 MB | 2 MB |
|---|---|---|
| Cache Memory Details | Smart Cache - 8 MB | L2 - 2 MB |
| Installed Size | 8 MB | - |
| Type | Advanced Smart Cache | - |
| RAM |
|---|
| Technology | DDR3 SDRAM - 1066 MHz | - |
|---|
| EXPANSION & CONNECTIVITY | Intel Xeon E5520 | AMD R-series Embedded RX-421ND |
|---|
| Compatible Slots | 1 x processor | - |
|---|
| MISCELLANEOUS | Intel Xeon E5520 | AMD R-series Embedded RX-421ND |
|---|
| Included Accessories | Heat sink | - |
|---|---|---|
| Compliant Standards | RoHS | - |
| Service & Support | 1-year warranty | - |
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