Side by side comparison and review of Intel Xeon E7-2803 and Intel Xeon W3520. Compare overall performance, core and thread counts, cache memory, speed, power efficiency, dimensions, socket compatibility and other key specifications and features to simplify the choice of your perfect CPU. Our goal is to make it easier for you to decide on the processor that will best meet your expectations by revealing the main differences between the products.
| GENERAL | Intel Xeon E7-2803 | Intel Xeon W3520 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon E7-2803 | Intel Xeon W3520 |
|---|
| Type | Intel Xeon E7-2803 | Intel Xeon W3520 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Packaging Type | - | FC-LGA8 |
| Compatible Processor Socket | LGA1567 Socket | LGA1366 Socket |
| Manufacturing Process | 32 nm | 45 nm |
| Thermal Design Power | 105 W | 130 W |
| Thermal Specification | 64 °C | 67.9 °C |
| Architecture Features | Enhanced SpeedStep technology, Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel Trusted Execution Technology, Intel AES New Instructions (AES-NI) | Enhanced SpeedStep technology, streaming SIMD extensions 2, Hyper-Threading Technology, integrated memory controller, streaming SIMD extensions 3, Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel I/O Acceleration Technology, streaming SIMD extensions 4 |
| PERFORMANCE |
|---|
| Number of Cores | 6-core | Quad-Core |
|---|---|---|
| Number of Threads | 12 threads | 8 threads |
| Clock Speed (Frequency) | 1.73 GHz | 2.66 GHz |
| Max Turbo Speed | - | 2.93 GHz |
| Bus Speed | - | 1066 MHz |
| 64-bit Computing | Yes | Yes |
| CACHE MEMORY |
|---|
| Cache | 18 MB | 8 MB |
|---|---|---|
| Cache Memory Details | 18 MB | L3 - 8 MB |
| Installed Size | 18 MB | 8 MB |
| Type | - | Advanced Smart Cache |
| RAM |
|---|
| Technology | - | - ECC |
|---|
| EXPANSION & CONNECTIVITY | Intel Xeon E7-2803 | Intel Xeon W3520 |
|---|
| Interfaces | - | - GT5 |
|---|---|---|
| Expansion Slots | 2 processor - LGA1567 Socket | - |
| Compatible Slots | 1 x processor | 1 x processor |
| MISCELLANEOUS | Intel Xeon E7-2803 | Intel Xeon W3520 |
|---|
| Compliant Standards | Halogen-free | - |
|---|---|---|
| Service & Support | - | Limited warranty - 90 days |
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