CPU Comparison: Intel Core i9-12900K vs Intel Core i9-9990XE @ 4.00GHz

Key Findings

The Intel Core i9-12900K leads in single-threaded performance by up to 46.3%
In multi-threaded workloads, the Intel Core i9-12900K shows superior performance with a 45.9% advantage
The Intel Core i9-9990XE @ 4.00GHz has the highest core count with 14 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

Intel Core i9-9990XE @ 4.00GHz

Desktop

Release Date

Q3 2020

Market Position

334th fastest in multithreading

4890 CPUs529th fastest in single threading

4890 CPUs110th fastest in

1398 Desktop CPUs

Performance

Single-Thread Performance

i9-12900K

4,344

4.00GHz

2,970

Multi-Thread Performance

i9-12900K

44,011

4.00GHz

30,162

Specifications: Intel Core i9-12900K vs Intel Core i9-9990XE @ 4.00GHz

💻CPU Model

Intel Core i9-12900K

i9-12900K

Intel Core i9-9990XE @ 4.00GHz

4.00GHz

🔄Other Names

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

i9-12900K

Intel(R) Core(TM) i9-9990XE CPU @ 4.00GHz

4.00GHz

⚡Base Clock

N/A

i9-12900K

4.0 GHz

4.00GHz

🚀Turbo Clock

N/A

i9-12900K

5.0 GHz

4.00GHz

💻Cores/Threads

N/A

i9-12900K

14 Threads: 28

4.00GHz

🔌Socket

LGA 1700

i9-12900K

LGA2066

4.00GHz

⚡TDP

150 W

i9-12900K

255 W

4.00GHz

💾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: 8 x 32 KBL1 Data Cache: 8 x 32 KBL2 Cache: 8 x 1024 KBL3 Cache: 19 MB

4.00GHz

The Intel Core i9-12900K and Intel Core i9-9990XE @ 4.00GHz 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 Intel Core i9-9990XE @ 4.00GHz takes the lead, despite having the same core count.

Power consumption differs significantly, with the Intel Core i9-9990XE @ 4.00GHz drawing more power under load (255W vs 150W). This may impact system thermal design and power supply requirements.