Side by side comparison and review of Intel Xeon E5645 and AMD EPYC 7203. 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 E5645 | AMD EPYC 7203 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon E5645 | AMD EPYC 7203 |
|---|
| Type | Intel Xeon E5645 | AMD EPYC 7203 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Max Supported Qty | 1 | - |
| Compatible Processor Socket | LGA1366 Socket | Socket SP3 |
| Socket Count | - | 1P/2P |
| Core Voltage | 0.75 V - 1.35 V | - |
| Manufacturing Process | 32 nm | - |
| Thermal Design Power | 80 W | 150 W |
| Thermal Specification | 76.2 °C | - |
| PCI Express Revision | - | 4.0 |
| PCI Express Lanes Qty | - | 128 |
| Architecture Features | Hyper-Threading Technology, Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology | AMD Infinity Architecture, AMD Infinity Guard |
| PERFORMANCE |
|---|
| Number of Cores | 6-core | 8-core |
|---|---|---|
| Number of Threads | 12 threads | 16 threads |
| Clock Speed (Frequency) | 2.4 GHz | 2.8 GHz |
| Max Turbo Speed | 2.67 GHz | 3.4 GHz |
| Bus Speed | 1333 MHz | - |
| 64-bit Computing | Yes | - |
| CACHE MEMORY |
|---|
| Cache | 12 MB | 64 MB |
|---|---|---|
| Cache Memory Details | L2 - 6 x 256 KB L3 - 12 MB |
L3 - 64 MB |
| Installed Size | 12 MB | - |
| Type | Advanced Smart Cache | - |
| EXPANSION & CONNECTIVITY | Intel Xeon E5645 | AMD EPYC 7203 |
|---|
| Compatible Slots | 1 x processor | - |
|---|
| MISCELLANEOUS | Intel Xeon E5645 | AMD EPYC 7203 |
|---|
| Included Accessories | Cooler (fansink) | - |
|---|---|---|
| Compliant Standards | RoHS | - |
| Service & Support | 1-year warranty | - |
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