In depth comparison and review of Intel Core i9 7900X X-series (7th Gen) 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 | Intel Core i9 7900X X-series (7th Gen) | AMD Ryzen 9 Pro 7945 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Core i9 7900X X-series (7th Gen) | AMD Ryzen 9 Pro 7945 |
|---|
| Type | Intel Core i9 7900X X-series (7th Gen) | AMD Ryzen 9 Pro 7945 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA2066 Socket | Socket AM5 |
| Manufacturing Process | 14 nm | 5 nm |
| Thermal Design Power | 140 W | 65 W |
| Thermal Specification | - | 95 °C |
| PCI Express Revision | 3.0 | 5.0 |
| PCI Express Lanes Qty | 44 | - |
| Architecture Features | Enhanced SpeedStep technology, Hyper-Threading Technology, 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, Intel Advanced Vector Extensions 512 (AVX-512) | "Zen 4" Core Architecture, AMD PRO technologies |
| PERFORMANCE |
|---|
| Number of Cores | 10-core | 12-core |
|---|---|---|
| Number of Threads | 20 threads | 24 threads |
| Clock Speed (Frequency) | 3.3 GHz | 3.7 GHz |
| Max Turbo Speed | 4.3 GHz | 5.4 GHz |
| CACHE MEMORY |
|---|
| Cache | 13.75 MB | 64 MB |
|---|---|---|
| Cache Memory Details | L3 - 13.75 MB | L3 - 64 MB L2 - 12 MB L1 - 768 KB |
| INTEGRATED GRAPHICS (GPU) | Intel Core i9 7900X X-series (7th Gen) | AMD Ryzen 9 Pro 7945 |
|---|
| Type | - | Radeon Graphics |
|---|---|---|
| Max Dynamic Frequency | - | 2200 MHz |
| MISCELLANEOUS | Intel Core i9 7900X X-series (7th Gen) | AMD Ryzen 9 Pro 7945 |
|---|
| Included Accessories | - | AMD Wraith Spire Cooler |
|---|---|---|
| Service & Support | Limited warranty - 3 years | Limited warranty - parts and labour - 3 years |
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