Side by side comparison and review of Intel Xeon E5-2637V4 and Intel Xeon D-1521. 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 E5-2637V4 | Intel Xeon D-1521 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon E5-2637V4 | Intel Xeon D-1521 |
|---|
| Type | Intel Xeon E5-2637V4 | Intel Xeon D-1521 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA2011 Socket | FCBGA1667 Socket |
| Manufacturing Process | 14 nm | 14 nm |
| Thermal Design Power | 135 W | 45 W |
| Thermal Specification | 75 °C | - |
| PCI Express Revision | 3.0 | 2.0/3.0 |
| PCI Express Configurations | X16, x4, x8 | X16, x4, x8 |
| PCI Express Lanes Qty | 40 | 32 |
| Architecture Features | Enhanced SpeedStep technology, Hyper-Threading Technology, Demand Based Switching, 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), Intel vPro Technology, Idle States, Intel VT-x with Extended Page Tables (EPT), Intel Secure Key, Intel Advanced Vector Extensions 2 (AVX2.0), Intel OS Guard | 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 | 8 threads |
| Clock Speed (Frequency) | 3.5 GHz | 2.4 GHz |
| Max Turbo Speed | 3.7 GHz | 2.7 GHz |
| CACHE MEMORY |
|---|
| Cache | 15 MB | 6 MB |
|---|---|---|
| Cache Memory Details | 15 MB | 6 MB |
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