AMD Ryzen 9 9900X - 12-Core, 4.4 GHz, DDR5, AM5 - Processor

AMD Ryzen 9 9900X is a high-performance 12-core desktop processor from the AMD Ryzen 9000 Series, offering a 4.4 GHz base frequency and advanced AM5 platform support.

This AMD Ryzen 9 9900X combines a modern 4 nm lithography with 12 physical cores and 24 threads to deliver responsive multitasking and heavy-threaded throughput. With a large combined L2 and L3 cache of 76 MB and support for 64-bit operating modes, it is tailored for demanding workflows.

The processor provides a 4.4 GHz base frequency and can boost up to 5.6 GHz for single-threaded peaks, making it suitable for both CPU-bound gaming and single-thread-sensitive applications. Its Thermal Design Power (TDP) is 120 W and it is supplied in a tray package; note that a cooler is not included.

Memory support is modern and extensive: the AMD Ryzen 9 9900X supports DDR5-SDRAM in dual-channel mode up to 192 GB total, with supported memory clock speeds including 3600 MHz and 5600 MHz. It is compatible with both ECC and non-ECC memory, giving flexibility for workstation or enthusiast builds.

Graphics capabilities are integrated: the processor includes an AMD Radeon on-board GPU with a base frequency of 2200 MHz, allowing basic display output without a discrete graphics card. For systems that rely on discrete GPUs, this CPU remains compatible but does not include a separate discrete graphics model.

Instruction set support is broad, including AES, AVX, AVX 2.0, AVX-512, SSE family extensions and more, making the chip well-suited for multimedia processing, scientific workloads, encryption tasks, and modern software that leverages vectorized instructions.

Typical use cases for the Ryzen 9 9900X include content creation such as video editing and 3D rendering, CPU-heavy gaming at high frame rates, software development and compiling, and workstation tasks that require many threads and large caches. Its AM5 socket and DDR5 support make it a future-proof choice for upgraders.

Key selling points include its 12 cores/24 threads, 5.6 GHz boost, 76 MB cache, DDR5 support up to 192 GB, integrated AMD Radeon graphics, and AM5 compatibility. These features make the AMD Ryzen 9 9900X a compelling option for enthusiasts and professionals seeking high single-thread and multi-thread performance.

• 12 cores / 24 threads
• 4.4 GHz base, up to 5.6 GHz boost
• 76 MB L2+L3 cache
• DDR5 dual-channel up to 192 GB (3600/5600 MHz)
• AM5 socket, integrated AMD Radeon (2200 MHz)