In depth comparison and review of Intel Core i9 11900 (11th 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 11900 (11th Gen) | AMD Ryzen 9 Pro 7945 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Core i9 11900 (11th Gen) | AMD Ryzen 9 Pro 7945 |
|---|
| Type | Intel Core i9 11900 (11th Gen) | AMD Ryzen 9 Pro 7945 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA1200 Socket | Socket AM5 |
| Manufacturing Process | 14 nm | 5 nm |
| Thermal Design Power | 65 W | 65 W |
| Thermal Specification | 100 °C | 95 °C |
| PCI Express Revision | 4.0 | 5.0 |
| PCI Express Configurations | 1x16+1x4, 1x8+3x4, 2x8+1x4 | - |
| PCI Express Lanes Qty | 20 | - |
| Architecture Features | Enhanced SpeedStep technology, Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel Trusted Execution Technology, Intel Turbo Boost Technology 2.0, Intel AES New Instructions (AES-NI), Thermal Monitoring Technologies, Intel Virtualization Technology for Directed I/O (VT-d), Idle States, Intel VT-x with Extended Page Tables (EPT), Intel Identity Protection Technology, Intel Secure Key, Intel Advanced Vector Extensions 2 (AVX2.0), Intel OS Guard, Intel Turbo Boost Max Technology 3.0, Intel Optane Memory Supported, Intel Advanced Vector Extensions 512 (AVX-512), Intel Boot Guard, Intel Thermal Velocity Boost, Intel Deep Learning Boost (DL Boost), Intel vPro Platform Eligibility, Intel Gaussian and Neural Accelerator 2.0, Instruction Set 64-bit, Intel SSE4.1, Intel SSE4.2, Intel Stable IT Platform Program (SIPP) | "Zen 4" Core Architecture, AMD PRO technologies |
| PERFORMANCE |
|---|
| Number of Cores | 8-core | 12-core |
|---|---|---|
| Number of Threads | 16 threads | 24 threads |
| Clock Speed (Frequency) | 2.5 GHz | 3.7 GHz |
| Max Turbo Speed | 5.2 GHz | 5.4 GHz |
| Bus Speed | 8 GT/s | - |
| CACHE MEMORY |
|---|
| Cache | 16 MB | 64 MB |
|---|---|---|
| Cache Memory Details | Smart Cache - 16 MB | L3 - 64 MB L2 - 12 MB L1 - 768 KB |
| INTEGRATED GRAPHICS (GPU) | Intel Core i9 11900 (11th Gen) | AMD Ryzen 9 Pro 7945 |
|---|
| Type | Intel UHD Graphics 750 | Radeon Graphics |
|---|---|---|
| Base Frequency | 350 MHz | - |
| Max Dynamic Frequency | 1.3 GHz | 2200 MHz |
| Max Supported Memory Size | 64 GB | - |
| Max Supported Resolution | 5120x3200@60Hz (DP), 5120x3200@60Hz (eDP) | - |
| Features | Intel Clear Video Technology, Intel Clear Video HD Technology, InTRU 3D Technology, Intel Quick Sync Video | - |
| MISCELLANEOUS | Intel Core i9 11900 (11th 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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