In depth comparison and review of Intel Xeon E5-4640 and AMD EPYC 7543. 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 E5-4640 | AMD EPYC 7543 |
|---|
| Product Type | Processor | Processor |
|---|---|---|
| Packaged Quantity | 2 (specifications are for single item) | - |
| PROCESSOR | Intel Xeon E5-4640 | AMD EPYC 7543 |
|---|
| Type | Intel Xeon E5-4640 | AMD EPYC 7543 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA2011 Socket | Socket SP3 |
| Core Voltage | 0.6 V - 1.35 V | - |
| Manufacturing Process | 32 nm | - |
| Thermal Design Power | 95 W | 225 W |
| PCI Express Revision | 3.0 | 4.0 |
| PCI Express Lanes Qty | 40 | 128 |
| Architecture Features | SpeedStep technology, Execute Disable Bit capability, Intel Trusted Execution Technology, Intel Turbo Boost Technology 2.0, Intel vPro Technology | AMD Infinity Architecture, AMD Infinity Guard |
| PERFORMANCE |
|---|
| Number of Cores | 8-core | 32-core |
|---|---|---|
| Number of Threads | 16 threads | 64 threads |
| Clock Speed (Frequency) | 2.4 GHz | 2.8 GHz |
| Max Turbo Speed | 2.8 GHz | 3.7 GHz |
| Bus Speed | 1600 MHz | 3200 MHz |
| 64-bit Computing | Yes | - |
| CACHE MEMORY |
|---|
| Cache | 20 MB | 256 MB |
|---|---|---|
| Cache Memory Details | L3 - 16 MB | L3 - 256 MB |
| Installed Size | 20 MB | - |
| EXPANSION & CONNECTIVITY | Intel Xeon E5-4640 | AMD EPYC 7543 |
|---|
| Compatible Slots | 1 x processor - LGA2011 Socket | - |
|---|
| MISCELLANEOUS | Intel Xeon E5-4640 | AMD EPYC 7543 |
|---|
| Compliant Standards | Halogen-free | - |
|---|
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