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

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 5900 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 5900

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
5900
3,376

Multi-Thread Performance

i9-12900K
44,011
5900
44,485

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

💻CPU Model
Intel Core i9-12900K
i9-12900K
AMD Ryzen 9 5900
5900
🔄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
5900
⚡Base Clock
N/A
i9-12900K
3.3 GHz
5900
🚀Turbo Clock
N/A
i9-12900K
4.8 GHz
5900
💻Cores/Threads
N/A
i9-12900K
16 Threads: 32
5900
🔌Socket
LGA 1700
i9-12900K
AM4
5900
⚡TDP
150 W
i9-12900K
105 W
5900
💾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
5900

The Intel Core i9-12900K and AMD Ryzen 9 5900 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 5900 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.