In depth comparison and review of Intel Xeon E7520 and AMD Athlon 64 X2 4400+. 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 E7520 | AMD Athlon 64 X2 4400+ |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon E7520 | AMD Athlon 64 X2 4400+ |
|---|
| Type | Intel Xeon E7520 | AMD Athlon 64 X2 4400+ |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA1567 Socket | Socket AM2 |
| Core Voltage | - | 1.3 V/1.35 V |
| Manufacturing Process | 45 nm | 90 nm |
| Thermal Design Power | 95 W | 65 W |
| Thermal Specification | 70 °C | 70 °C |
| Architecture Features | Enhanced SpeedStep technology, Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology | HyperTransport technology, AMD64 technology, Enhanced Virus Protection, AMD Cool'n'Quiet Technology |
| PERFORMANCE |
|---|
| Number of Cores | Quad-Core | Dual-Core |
|---|---|---|
| Number of Threads | 8 threads | - |
| Clock Speed (Frequency) | 1.87 GHz | 2.2 GHz |
| 64-bit Computing | Yes | Yes |
| CACHE MEMORY |
|---|
| Cache | 18 MB | - |
|---|---|---|
| Cache Level 1 Size | - | 256 KB |
| Cache Memory Details | L3 - 18 MB | L2 - |
| Installed Size | 18 MB | 2 MB |
| EXPANSION & CONNECTIVITY | Intel Xeon E7520 | AMD Athlon 64 X2 4400+ |
|---|
| Compatible Slots | 2 x processor | 1 x processor |
|---|
| MISCELLANEOUS | Intel Xeon E7520 | AMD Athlon 64 X2 4400+ |
|---|
| Compliant Standards | RoHS | - |
|---|---|---|
| Service & Support | Limited warranty - 3 years | Limited warranty - 3 years |
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