In depth comparison and review of AMD Ryzen 9 Pro 3900 and AMD Ryzen 9 Pro 7945. 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 Ryzen 9 Pro 3900 | AMD Ryzen 9 Pro 7945 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | AMD Ryzen 9 Pro 3900 | AMD Ryzen 9 Pro 7945 |
|---|
| Type | AMD Ryzen 9 Pro 3900 | AMD Ryzen 9 Pro 7945 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | Socket AM4 | Socket AM5 |
| Manufacturing Process | 7 nm | 5 nm |
| Thermal Design Power | 65 W | 65 W |
| Thermal Specification | 95 °C | 95 °C |
| PCI Express Revision | 4.0 | 5.0 |
| Architecture Features | AMD GuardMI Technology, AMD Memory Guard, DASH 1.2 enabled | "Zen 4" Core Architecture, AMD PRO technologies |
| PERFORMANCE |
|---|
| Number of Cores | 12-core | 12-core |
|---|---|---|
| Number of Threads | 24 threads | 24 threads |
| Clock Speed (Frequency) | 3.1 GHz | 3.7 GHz |
| Max Turbo Speed | 4.3 GHz | 5.4 GHz |
| CACHE MEMORY |
|---|
| Cache | 64 MB | 64 MB |
|---|---|---|
| Cache Memory Details | L1 - 768 KB L2 - 6 MB L3 - 64 MB |
L3 - 64 MB L2 - 12 MB L1 - 768 KB |
| INTEGRATED GRAPHICS (GPU) | AMD Ryzen 9 Pro 3900 | AMD Ryzen 9 Pro 7945 |
|---|
| Type | - | Radeon Graphics |
|---|---|---|
| Max Dynamic Frequency | - | 2200 MHz |
| MISCELLANEOUS | AMD Ryzen 9 Pro 3900 | AMD Ryzen 9 Pro 7945 |
|---|
| Included Accessories | - | AMD Wraith Spire Cooler |
|---|---|---|
| Service & Support | - | Limited warranty - parts and labour - 3 years |
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