Side by side comparison and review of AMD Ryzen 9 3900 and AMD EPYC 8434PN. 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 | AMD Ryzen 9 3900 | AMD EPYC 8434PN |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | AMD Ryzen 9 3900 | AMD EPYC 8434PN |
|---|
| Type | AMD Ryzen 9 3900 | AMD EPYC 8434PN |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | Socket AM4 | Socket SP6 |
| Socket Count | - | 1P |
| Manufacturing Process | 7 nm | - |
| Thermal Design Power | 65 W | 155 W |
| Thermal Specification | 95 °C | - |
| PCI Express Revision | 4.0 | 5.0 |
| PCI Express Lanes Qty | - | 96 |
| Architecture Features | AMD GuardMI Technology, AMD Memory Guard, DASH 1.2 enabled | AMD Infinity Architecture, AMD Infinity Guard |
| PERFORMANCE |
|---|
| Number of Cores | 12-core | 48-core |
|---|---|---|
| Number of Threads | 24 threads | 96 threads |
| Clock Speed (Frequency) | 3.1 GHz | 2 GHz |
| Max Turbo Speed | 4.3 GHz | 3 GHz |
| CACHE MEMORY |
|---|
| Cache | 64 MB | 128 MB |
|---|---|---|
| Cache Memory Details | L1 - 768 KB L2 - 6 MB L3 - 64 MB |
L3 - 128 MB |
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