In depth comparison and review of Intel Xeon E5405 and Intel Xeon D-1521. 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 E5405 | Intel Xeon D-1521 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon E5405 | Intel Xeon D-1521 |
|---|
| Type | Intel Xeon E5405 | Intel Xeon D-1521 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Packaging Type | FC-LGA6 | - |
| Compatible Processor Socket | LGA771 Socket | FCBGA1667 Socket |
| Manufacturing Process | 45 nm | 14 nm |
| Thermal Design Power | 80 W | 45 W |
| Thermal Specification | 67 °C | - |
| PCI Express Revision | - | 2.0/3.0 |
| PCI Express Configurations | - | X16, x4, x8 |
| PCI Express Lanes Qty | - | 32 |
| Architecture Features | Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel Advanced Smart Cache | Enhanced SpeedStep technology, Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel Trusted Execution Technology, Intel Turbo Boost Technology 2.0, Intel AES New Instructions (AES-NI), Thermal Monitoring Technologies, Intel Virtualization Technology for Directed I/O (VT-d), Idle States, Intel VT-x with Extended Page Tables (EPT), Intel Secure Key, Intel Advanced Vector Extensions 2 (AVX2.0), Intel TSX-NI, Intel OS Guard |
| PERFORMANCE |
|---|
| Number of Cores | Quad-Core | Quad-Core |
|---|---|---|
| Number of Threads | - | 8 threads |
| Clock Speed (Frequency) | 2 GHz | 2.4 GHz |
| Max Turbo Speed | - | 2.7 GHz |
| Bus Speed | 1333 MHz | - |
| 64-bit Computing | Yes | - |
| CACHE MEMORY |
|---|
| Cache | 12 MB | 6 MB |
|---|---|---|
| Cache Memory Details | L2 - 12 MB | 6 MB |
| Installed Size | 12 MB | - |
| Type | Advanced Smart Cache | - |
| EXPANSION & CONNECTIVITY | Intel Xeon E5405 | Intel Xeon D-1521 |
|---|
| Compatible Slots | 1 x processor | - |
|---|
| MISCELLANEOUS | Intel Xeon E5405 | Intel Xeon D-1521 |
|---|
| Included Accessories | Alcohol pad, thermal grease | - |
|---|---|---|
| Service & Support | Limited warranty - 3 years | - |
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