Detailed comparison and review of Intel Core i9 7940X X-series (7th Gen) and AMD EPYC 7643P. With our comprehensive overview, you can simply compare overall performance, cache sizes, RAM, power efficiency, architecture, but also other key features of both processors and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the processor that best fits your needs and expectations.
| GENERAL | Intel Core i9 7940X X-series (7th Gen) | AMD EPYC 7643P |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Core i9 7940X X-series (7th Gen) | AMD EPYC 7643P |
|---|
| Type | Intel Core i9 7940X X-series (7th Gen) | AMD EPYC 7643P |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA2066 Socket | Socket SP3 |
| Socket Count | - | 1P |
| Thermal Design Power | 165 W | 240 W |
| Thermal Specification | 102 °C | - |
| PCI Express Revision | 3.0 | 4.0 |
| PCI Express Lanes Qty | 44 | - |
| Architecture Features | Enhanced SpeedStep technology, Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, streaming SIMD extensions 4.1, streaming SIMD extensions 4.2, Intel Turbo Boost Technology 2.0, Intel AES New Instructions (AES-NI), Intel Virtualization Technology for Directed I/O (VT-d), Intel Advanced Vector Extensions 2 (AVX2.0), Intel Turbo Boost Max Technology 3.0, Intel Optane Memory Supported | AMD Infinity Architecture, AMD Infinity Guard |
| PERFORMANCE |
|---|
| Number of Cores | 14-core | 48-core |
|---|---|---|
| Number of Threads | 28 threads | 96 threads |
| Clock Speed (Frequency) | 3.1 GHz | 2.3 GHz |
| Max Turbo Speed | 4.3 GHz | 3.6 GHz |
| CACHE MEMORY |
|---|
| Cache | 19.25 MB | 256 MB |
|---|---|---|
| Cache Memory Details | L3 - 19.25 MB | L3 - 256 MB |
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