CPU Comparison: Intel Core i9-12900K vs AMD Ryzen 9 5900X

Key Findings

The Intel Core i9-12900K leads in single-threaded performance by up to 28.7%
Multi-threaded performance is comparable among all CPUs
The AMD Ryzen 9 5900X has the highest core count with 16 cores

Performance Rankings & Market Position

Intel Core i9-12900K

Desktop

Release Date

Q2 2022

Market Position

183rd fastest in multithreading

4890 CPUs37th fastest in single threading

4890 CPUs51st fastest in

1398 Desktop CPUs

AMD Ryzen 9 5900X

Desktop

Release Date

Q3 2024

Market Position

178th fastest in multithreading

4890 CPUs342nd fastest in single threading

4890 CPUs48th fastest in

1398 Desktop CPUs

Performance

Single-Thread Performance

i9-12900K

4,344

5900X

3,376

Multi-Thread Performance

i9-12900K

44,011

5900X

44,485

Specifications: Intel Core i9-12900K vs AMD Ryzen 9 5900X

💻CPU Model

Intel Core i9-12900K

i9-12900K

AMD Ryzen 9 5900X

5900X

🔄Other Names

12th Gen Intel(R) Core(TM) i9-12900KS, 12th Gen Intel Core i9-12900KS

i9-12900K

AMD Ryzen 9 5900XT 16-Core Processor

5900X

⚡Base Clock

N/A

i9-12900K

3.3 GHz

5900X

🚀Turbo Clock

N/A

i9-12900K

4.8 GHz

5900X

💻Cores/Threads

N/A

i9-12900K

16 Threads: 32

5900X

🔌Socket

LGA 1700

i9-12900K

AM4

5900X

⚡TDP

150 W

i9-12900K

105 W

5900X

💾Cache

L1 Instruction Cache: 8 x 32 KBL1 Data Cache: 8 x 48 KBL2 Cache: 8 x 1280 KBL3 Cache: 30 MB

i9-12900K

L1 Instruction Cache: 16 x 32 KBL1 Data Cache: 16 x 32 KBL2 Cache: 16 x 512 KBL3 Cache: 64 MB

5900X

The Intel Core i9-12900K and AMD Ryzen 9 5900X compete in the Desktop segment. The Intel Core i9-12900K shows superior single-thread performance, making it better for tasks like gaming and light workloads.

For multi-threaded applications, the AMD Ryzen 9 5900X takes the lead, despite having the same core count.

Power consumption differs significantly, with the Intel Core i9-12900K drawing more power under load (150W vs 105W). This may impact system thermal design and power supply requirements.