In depth comparison and review of AMD EPYC 7742 and AMD Ryzen 9 Pro 3900. 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 | AMD EPYC 7742 | AMD Ryzen 9 Pro 3900 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | AMD EPYC 7742 | AMD Ryzen 9 Pro 3900 |
|---|
| Type | AMD EPYC 7742 | AMD Ryzen 9 Pro 3900 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | Socket SP3 | Socket AM4 |
| Manufacturing Process | - | 7 nm |
| Thermal Design Power | 225 W | 65 W |
| Thermal Specification | - | 95 °C |
| PCI Express Revision | 4.0 | 4.0 |
| PCI Express Lanes Qty | 128 | - |
| Architecture Features | AMD Infinity Architecture | AMD GuardMI Technology, AMD Memory Guard, DASH 1.2 enabled |
| PERFORMANCE |
|---|
| Number of Cores | 64-core | 12-core |
|---|---|---|
| Number of Threads | 128 threads | 24 threads |
| Clock Speed (Frequency) | 2.25 GHz | 3.1 GHz |
| Max Turbo Speed | 3.4 GHz | 4.3 GHz |
| CACHE MEMORY |
|---|
| Cache | 256 MB | 64 MB |
|---|---|---|
| Cache Memory Details | L3 - 256 MB | L1 - 768 KB L2 - 6 MB L3 - 64 MB |
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