Detailed comparison and review of Intel Celeron B820 and Intel Xeon E5520. 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 Celeron B820 | Intel Xeon E5520 |
|---|
| Product Type | Processor (mobile) | Processor |
|---|
| PROCESSOR | Intel Celeron B820 | Intel Xeon E5520 |
|---|
| Type | Intel Celeron B820 | Intel Xeon E5520 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Packaging Type | - | FC-LGA8 |
| Compatible Processor Socket | PGA988 Socket | LGA1366 Socket |
| Core Voltage | - | 1.4 V |
| Manufacturing Process | 32 nm | 45 nm |
| Thermal Design Power | 35 W | 80 W |
| Thermal Specification | 100 °C | 76 °C |
| PCI Express Revision | 2.0 | - |
| PCI Express Configurations | 1x16, 2x8, 1x8+2x4 | - |
| PCI Express Lanes Qty | 16 | - |
| Architecture Features | Enhanced SpeedStep technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel Fast Memory Access, Intel Flex Memory Access, Thermal Monitoring Technologies, Idle States | Hyper-Threading Technology, Intel Intelligent Power Technology, Intel Data Center Manager |
| PERFORMANCE |
|---|
| Number of Cores | Dual-Core | Quad-Core |
|---|---|---|
| Number of Threads | 2 threads | 8 threads |
| Clock Speed (Frequency) | 1.7 GHz | 2.26 GHz |
| Max Turbo Speed | - | 2.53 GHz |
| Bus Speed | - | 1066 MHz |
| 64-bit Computing | - | Yes |
| CACHE MEMORY |
|---|
| Cache | 2 MB | 8 MB |
|---|---|---|
| Cache Memory Details | L3 - 2 MB | Smart Cache - 8 MB |
| Installed Size | 2 MB | 8 MB |
| Type | - | Advanced Smart Cache |
| RAM |
|---|
| Technology | - | DDR3 SDRAM - 1066 MHz |
|---|
| INTEGRATED GRAPHICS (GPU) | Intel Celeron B820 | Intel Xeon E5520 |
|---|
| Type | Intel HD Graphics with Dynamic Frequency | - |
|---|---|---|
| Base Frequency | 650 MHz | - |
| Max Dynamic Frequency | 1.05 GHz | - |
| Features | Intel FDI | - |
| EXPANSION & CONNECTIVITY | Intel Celeron B820 | Intel Xeon E5520 |
|---|
| Compatible Slots | - | 1 x processor |
|---|
| MISCELLANEOUS | Intel Celeron B820 | Intel Xeon E5520 |
|---|
| Included Accessories | - | Heat sink |
|---|---|---|
| Compliant Standards | - | RoHS |
| Service & Support | - | 1-year warranty |
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