Side by side comparison and review of Intel Xeon E5640 and AMD EPYC Embedded 7261. 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 E5640 | AMD EPYC Embedded 7261 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon E5640 | AMD EPYC Embedded 7261 |
|---|
| Type | Intel Xeon E5640 | AMD EPYC Embedded 7261 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA1366 Socket | Socket SP3 |
| Core Voltage | 0.8 V - 1.3 V | - |
| Manufacturing Process | 32 nm | - |
| Thermal Design Power | 80 W | 155 W |
| Thermal Specification | 77.6 °C | - |
| PCI Express Revision | - | 3.0 |
| PCI Express Lanes Qty | - | 128 |
| Architecture Features | Hyper-Threading Technology, Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology | - |
| PERFORMANCE |
|---|
| Number of Cores | Quad-Core | 8-core |
|---|---|---|
| Number of Threads | 8 threads | 16 threads |
| Clock Speed (Frequency) | 2.66 GHz | 2.5 GHz |
| Max Turbo Speed | 2.93 GHz | 2.9 GHz |
| Bus Speed | 1066 MHz | - |
| 64-bit Computing | Yes | - |
| CACHE MEMORY |
|---|
| Cache | 12 MB | 64 MB |
|---|---|---|
| Cache Memory Details | L2 - 1 MB | 64 MB |
| Installed Size | 12 MB | - |
| EXPANSION & CONNECTIVITY | Intel Xeon E5640 | AMD EPYC Embedded 7261 |
|---|
| Compatible Slots | 1 x processor | - |
|---|
| MISCELLANEOUS | Intel Xeon E5640 | AMD EPYC Embedded 7261 |
|---|
| Included Accessories | Heat sink | - |
|---|---|---|
| Compliant Standards | RoHS | - |
| Service & Support | Limited warranty - 1 year - on-site | - |
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