CPU Comparison: AMD Ryzen 7 9700X vs AMD Ryzen 9 3900

Key Findings

The AMD Ryzen 7 9700X leads in single-threaded performance by up to 69.4%
In multi-threaded workloads, the AMD Ryzen 7 9700X shows superior performance with a 14.2% advantage
The AMD Ryzen 9 3900 has the highest core count with 12 cores

Performance Rankings & Market Position

AMD Ryzen 7 9700X

Desktop

Release Date

Q3 2024

Market Position

237th fastest in multithreading

4890 CPUs16th fastest in single threading

4890 CPUs71st fastest in

1398 Desktop CPUs

AMD Ryzen 9 3900

Desktop

Release Date

Q3 2020

Market Position

292nd fastest in multithreading

4890 CPUs637th fastest in single threading

4890 CPUs90th fastest in

1398 Desktop CPUs

Performance

Single-Thread Performance

9700X

4,652

3900

2,746

Multi-Thread Performance

9700X

37,308

3900

32,666

Specifications: AMD Ryzen 7 9700X vs AMD Ryzen 9 3900

💻CPU Model

AMD Ryzen 7 9700X

9700X

AMD Ryzen 9 3900

3900

🔄Other Names

AMD Ryzen 7 9700X 8-Core Processor

9700X

AMD Ryzen 9 3900XT 12-Core Processor

3900

⚡Base Clock

3.8 GHz

9700X

3.8 GHz

3900

🚀Turbo Clock

5.5 GHz

9700X

4.7 GHz

3900

💻Cores/Threads

8 Threads: 16

9700X

12 Threads: 24

3900

🔌Socket

AM5

9700X

AM4

3900

⚡TDP

65 W

9700X

105 W

3900

💾Cache

L1 Instruction Cache: 8 x 32 KBL1 Data Cache: 8 x 48 KBL2 Cache: 8 x 1024 KBL3 Cache: 32 MB

9700X

L1 Instruction Cache: 12 x 32 KBL1 Data Cache: 12 x 32 KBL2 Cache: 12 x 512 KBL3 Cache: 64 MB

3900

The AMD Ryzen 7 9700X and AMD Ryzen 9 3900 compete in the Desktop segment. The AMD Ryzen 7 9700X shows superior single-thread performance, making it better for tasks like gaming and light workloads.

For multi-threaded applications, the AMD Ryzen 9 3900 takes the lead, despite having the same core count.

Power consumption differs significantly, with the AMD Ryzen 9 3900 drawing more power under load (105W vs 65W). This may impact system thermal design and power supply requirements.