Side by side comparison and review of AMD FX 8300 and AMD Ryzen 9 3900. 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 FX 8300 | AMD Ryzen 9 3900 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | AMD FX 8300 | AMD Ryzen 9 3900 |
|---|
| Type | AMD FX 8300 | AMD Ryzen 9 3900 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | Socket AM3+ | Socket AM4 |
| Manufacturing Process | 32 nm | 7 nm |
| Thermal Design Power | 95 W | 65 W |
| Thermal Specification | 70.5 °C | 95 °C |
| PCI Express Revision | - | 4.0 |
| Architecture Features | AMD64 technology, AMD Virtualization | AMD GuardMI Technology, AMD Memory Guard, DASH 1.2 enabled |
| PERFORMANCE |
|---|
| Number of Cores | 8-core | 12-core |
|---|---|---|
| Number of Threads | 8 threads | 24 threads |
| Clock Speed (Frequency) | 3.3 GHz | 3.1 GHz |
| Max Turbo Speed | 4.2 GHz | 4.3 GHz |
| CACHE MEMORY |
|---|
| Cache | 8 MB | 64 MB |
|---|---|---|
| Cache Memory Details | L1 - 384 KB L2 - 8 MB L3 - 8 MB |
L1 - 768 KB L2 - 6 MB L3 - 64 MB |
| Installed Size | 8 MB | - |
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