In depth comparison and review of Intel Core i9 12900K (12th Gen) and AMD Ryzen 9 5900X. 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 12900K (12th Gen) | AMD Ryzen 9 5900X |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Core i9 12900K (12th Gen) | AMD Ryzen 9 5900X |
|---|
| Type | Intel Core i9 12900K (12th Gen) | AMD Ryzen 9 5900X |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA1700 Socket | Socket AM4 |
| Manufacturing Process | 7 nm | 7 nm |
| Thermal Design Power | 241 W | 105 W |
| Thermal Specification | 100 °C | - |
| PCI Express Revision | 5.0 | 4.0 |
| PCI Express Configurations | 1x16+1x4, 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, streaming SIMD extensions 4.1, streaming SIMD extensions 4.2, 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 Secure Key, Intel Advanced Vector Extensions 2 (AVX2.0), Intel OS Guard, Intel Turbo Boost Max Technology 3.0, Intel Speed Shift Technology, Intel Optane Memory Supported, Mode-based Execute Control (MBE), Intel Volume Management Device (VMD), Intel Boot Guard, Intel Deep Learning Boost (DL Boost), Intel Control-Flow Enforcement Technology, Intel Gaussian and Neural Accelerator 3.0, Intel Thread Director, Instruction Set 64-bit | AMD Ryzen Master Utility, AMD Ryzen VR-Ready Premium, AMD StoreMI Technology |
| PERFORMANCE |
|---|
| Number of Cores | 16-core | 12-core |
|---|---|---|
| Number of Threads | 24 threads | 24 threads |
| Clock Speed (Frequency) | 3.2 GHz | 3.7 GHz |
| Max Turbo Speed | 5.2 GHz | 4.8 GHz |
| CACHE MEMORY |
|---|
| Cache | 30 MB | 64 MB |
|---|---|---|
| Cache Memory Details | Smart Cache - 30 MB L2 - 14 MB |
L2 - 6 MB L3 - 64 MB |
| INTEGRATED GRAPHICS (GPU) | Intel Core i9 12900K (12th Gen) | AMD Ryzen 9 5900X |
|---|
| Type | Intel UHD Graphics 770 | - |
|---|---|---|
| Base Frequency | 300 MHz | - |
| Max Dynamic Frequency | 1.55 GHz | - |
| Max Supported Resolution | 5120x3200@120Hz (eDP), 7680x4320@60Hz (DP), 4096x2160@60Hz (HDMI) | - |
| Features | Intel Clear Video HD Technology, Intel Quick Sync Video, Quad Display Capable | - |
| MISCELLANEOUS | Intel Core i9 12900K (12th Gen) | AMD Ryzen 9 5900X |
|---|
| Service & Support | Limited warranty - 3 years | Limited warranty - parts and labour - 3 years |
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