Intel Core i9-12900K vs AMD Ryzen 9 5900X
            Intel Core i9-12900K
            
                $500
            
        
    
            AMD Ryzen 9 5900X
            
                $399
            
        
    | 16 Cores 24 Threads 3.2GHz Clock | 12 Cores 24 Threads 3.7GHz Clock | 
| Socket LGA 1700 | Socket AM4 | 
| iGPUUHD 770 1550MHz 790 GFLOPS FP32 | iGPU No GPU - - | 
| 
                                            
                                                GB6S 2,660
                                            
                                             65% | 
                                            
                                                GB6S 2,205
                                            
                                             54% | 
| 
                                            
                                                GB6M 15,550
                                            
                                             58% | 
                                            
                                                GB6M 11,030
                                            
                                             41% | 
| CB23S 2,030 78% | CB23S 1,635 63% | 
| CB23M 27,780 64% | CB23M 21,880 51% | 
| ManufacturerIntel | ManufacturerAMD | 
| ArchitectureAlder Lake | ArchitectureZen 3 | 
| FamilyCore 12th Gen | FamilyRyzen 5000 | 
| Instruction Set (ISA) x86-64 | Instruction Set (ISA) x86-64 | 
| Codename Alder Lake-S - Alder Lake-8P-8E P-Core Golden Cove - - E-Core Gracemont | Codename Vermeer Breckenridge Vermeer 2CCD - - - - - - | 
| Market Segment Desktop | Market Segment Desktop | 
| Release Date 11/4/2021 | Release Date 11/5/2020 | 
| Foundry Intel - - - | Foundry TSMC GlobalFoundries (IO Die) - - | 
| Node Intel 7 - - - | Node N7 12LP (IO Die) - - | 
| Die Size 202 mm² - - - | Die Size 2x 81 mm² 125 mm² (IO Die) - - | 
| Transistor Count 14.6 Billion - - - | Transistor Count 2x 4.2 Billion 2.1 Billion (IO Die) - - | 
| 16 Cores 8 P-Cores - 8 E-Cores | 12 Cores - - - | 
| 24 Threads 16 P-Threads - 8 E-Threads | 24 Threads - - - | 
| P-Core 3.2GHz 5.2GHz Boost - | - 3.7GHz 4.8GHz Boost - | 
| - - - | - - - | 
| E-Core 2.4GHz 3.9GHz Boost | - - - | 
| Overclocking Unlocked - - - | Overclocking Unlocked - - - | 
| Type DMI | Type PCIe | 
| - - | - - | 
| - - | - - | 
| Transfer Rate 16GT/s | Transfer Rate 16GT/s | 
| - - | - - | 
| Lanes 8 | Lanes 4 | 
| Bandwidth 16GB/s | Bandwidth 8GB/s | 
| Bi-directional 32GB/s | Bi-directional 16GB/s | 
| L0 Instruction - - | L0 Instruction - - | 
| L0 Data - - | L0 Data - - | 
| L1 Instruction 32KB/P-Core 8-way set associative - - 64KB/E-Core 8-way set associative | L1 Instruction 32KB/Core 8-way set associative - - - - | 
| L1 Data 48KB/P-Core 12-way set associative - - 32KB/E-Core 8-way set associative | L1 Data 32KB/Core 8-way set associative - - - - | 
| L2 1280KB/Core 10-way set associative - - - - - - - - 4MB Shared (E-Core) 16-way set associative | L2 512KB/Core 8-way set associative - - - - - - - - - - | 
| L3 - 30MB Shared - 12-way set associative - - - - - | L3 - 64MB Shared - 16-way set associative - - - - - | 
| - - - - | - - - - | 
| Channels 2 | Channels 2 | 
| Max Memory 128GB 128GB | Max Memory 128GB | 
| ECC Not Supported | ECC Not Supported | 
| Bus Width/Channel 64Bit Bus Width 128Bit | Bus Width/Channel 64Bit Bus Width 128Bit | 
| Clock 2400MHz 1600MHz Transfer Rate 4800MT/s 3200MT/s | Clock 1600MHz Transfer Rate 3200MT/s | 
| Bandwidth/Channel 38.4GB/s 25.6GB/s Bandwidth 76.8GB/s 51.2GB/s | Bandwidth/Channel 25.6GB/s Bandwidth 51.2GB/s | 
| TDP 125W - - 241W Peak | TDP 105W - - 142W Peak | 
| Temp 100°C Max - | Temp 90°C Max - | 
| Included Cooler Not Included | Included Cooler Not Included | 
| PCIe 5.0 x16 Lanes PCIe 4.0 x4 Lanes | PCIe 4.0 x20 Lanes | 
| UHD 770 1550MHz 256 Shaders 1550MHz 790 GFLOPS FP32 | No GPU - - - - | 
| GNA 3.0 | No NPU - | 
| - - | - - | 
| -  | -  | 
| - - | - - | 
| No Cellular | No Cellular | 
 
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
                             
                                 
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