In depth comparison and review of Intel Xeon E5-2643 and AMD Ryzen 7 5800X3D. 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 E5-2643 | AMD Ryzen 7 5800X3D |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon E5-2643 | AMD Ryzen 7 5800X3D |
|---|
| Type | Intel Xeon E5-2643 | AMD Ryzen 7 5800X3D |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA2011 Socket | Socket AM4 |
| Core Voltage | 0.6 V - 1.35 V | - |
| Manufacturing Process | 32 nm | 7 nm |
| Thermal Design Power | 130 W | 105 W |
| Thermal Specification | 73 °C | 90 °C |
| PCI Express Revision | 3.0 | 4.0 |
| PCI Express Lanes Qty | 40 | - |
| Architecture Features | Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology | AMD Ryzen VR-Ready Premium, "Zen 3" Core Architecture, AMD 3D V-Cache technology, Windows 11 Gaming |
| PERFORMANCE |
|---|
| Number of Cores | Quad-Core | 8-core |
|---|---|---|
| Number of Threads | 8 threads | 16 threads |
| Clock Speed (Frequency) | 3.3 GHz | 3.4 GHz |
| Max Turbo Speed | 3.5 GHz | 4.5 GHz |
| Bus Speed | 1600 MHz | - |
| 64-bit Computing | Yes | - |
| CACHE MEMORY |
|---|
| Cache | 10 MB | 96 MB |
|---|---|---|
| Cache Memory Details | L3 - 10 MB | L3 - 96 MB L2 - 4 MB L1 - 512 KB |
| Installed Size | 10 MB | - |
| EXPANSION & CONNECTIVITY | Intel Xeon E5-2643 | AMD Ryzen 7 5800X3D |
|---|
| Compatible Slots | 1 x processor - LGA2011 Socket | - |
|---|
| MISCELLANEOUS | Intel Xeon E5-2643 | AMD Ryzen 7 5800X3D |
|---|
| Included Accessories | Heat sink | - |
|---|---|---|
| Compliant Standards | RoHS | - |
| Service & Support | Limited warranty - 1 year | - |
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