CPU Comparison: AMD Ryzen 9 9900X vs AMD Ryzen 9 7900

Key Findings

The AMD Ryzen 9 9900X leads in single-threaded performance by up to 10.2%
In multi-threaded workloads, the AMD Ryzen 9 9900X shows superior performance with a 6.1% advantage

Performance Rankings & Market Position

AMD Ryzen 9 9900X

Desktop

Release Date

Q3 2024

Market Position

120th fastest in multithreading

4890 CPUs15th fastest in single threading

4890 CPUs29th fastest in

1398 Desktop CPUs

AMD Ryzen 9 7900

Desktop

Release Date

Q3 2022

Market Position

133rd fastest in multithreading

4890 CPUs46th fastest in single threading

4890 CPUs33rd fastest in

1398 Desktop CPUs

Performance

Single-Thread Performance

9900X

4,690

7900

4,254

Multi-Thread Performance

9900X

54,846

7900

51,697

Specifications: AMD Ryzen 9 9900X vs AMD Ryzen 9 7900

💻CPU Model

AMD Ryzen 9 9900X

9900X

AMD Ryzen 9 7900

7900

🔄Other Names

AMD Ryzen 9 9900X 12-Core Processor

9900X

AMD Ryzen 9 7900X 12-Core Processor

7900

⚡Base Clock

4.4 GHz

9900X

4.7 GHz

7900

🚀Turbo Clock

5.6 GHz

9900X

5.6 GHz

7900

💻Cores/Threads

12 Threads: 24

9900X

12 Threads: 24

7900

🔌Socket

AM5

9900X

AM5

7900

⚡TDP

120 W

9900X

170 W

7900

💾Cache

L1 Instruction Cache: 12 x 32 KBL1 Data Cache: 12 x 48 KBL2 Cache: 12 x 1024 KBL3 Cache: 64 MB

9900X

L1 Instruction Cache: 12 x 32 KBL1 Data Cache: 12 x 32 KBL2 Cache: 12 x 1024 KBL3 Cache: 64 MB

7900

The AMD Ryzen 9 9900X and AMD Ryzen 9 7900 compete in the Desktop segment. The AMD Ryzen 9 9900X shows superior single-thread performance, making it better for tasks like gaming and light workloads.

For multi-threaded applications, the AMD Ryzen 9 7900 takes the lead, despite having the same core count.

Power consumption differs significantly, with the AMD Ryzen 9 7900 drawing more power under load (170W vs 120W). This may impact system thermal design and power supply requirements.