AMD® Ryzen™ 9 9900X

The AMD Ryzen 9 9900X is a desktop processor with 12 cores and 24 threads, built on the Zen 5 architecture (4nm process). It launched in Jun 2024. Clocks run from 4.4 GHz base to 5.6 GHz boost. A 64-MB L3 cache backs the cores (6.4 MB per core). It addresses DDR5 memory up to 256 GB across 2 channels. The chip drops into the AM5 socket and exposes PCIe 5.0 (28 lanes). Rated TDP is 120 W. Notable platform capabilities: AVX-512, AVX-VNNI, AMD-V (Hardware Virtualization), AMD SEV.

The AMD Ryzen 9 9900X scores 4,677 in single-core performance and 54,411 in multi-core performance (PassMark CPU Mark ratings). From those two ratings Feex computes 15,952 for overall performance, 41,915 for productivity performance, 38,345 for creator performance, 59,172 for engineering performance and 27,634 for gaming performance. Its multi-core throughput works out to 4,534 per core, 2,267 per thread and 453 per watt. Its computed efficiency index is 1,456. Its performance index is 198, so its overall performance is 98% above the Intel Core i5-12400 (index 100). Each bar shows the score as a share of a reference ceiling, which is the larger of the 99th-percentile score across the Feex CPU database and a fixed baseline.

Scores for individual PassMark CPU Mark test categories. Higher is better. These are measured test scores, not computed from the single-core and multi-core ratings.

In the individual workload tests the AMD Ryzen 9 9900X scores 180,587 in integer math, 119,738 in floating-point math, 679,239 in compression, 33,295 in cryptography, 3,335 in physics simulation, 54,878 in vector SIMD, 433 in the prime sieve and 71,498 in sorting. Higher is better. Compared with the Intel Core i5-12400, it is 207% above in integer math, 161% above in floating-point math, 198% above in compression, 190% above in cryptography, 206% above in physics simulation, 254% above in vector SIMD, 546% above in the prime sieve and 216% above in sorting. Each bar shows the score as a share of that workload's reference ceiling, the larger of the 99th-percentile score across CPUs with a recorded value and a fixed baseline.

The AMD Ryzen 9 9900X has 12 physical cores and runs 24 logical threads. It runs 2 threads per core. It runs at a base clock of 4.40 GHz and boosts up to 5.60 GHz. Its clock multiplier is unlocked for overclocking.

The AMD Ryzen 9 9900X is a desktop processor, belongs to the AMD Ryzen 9 family, uses the Zen 5 architecture, carries the codename Granite Ridge and is manufactured on a 4nm process. It launched in Jun 2024.

The AMD Ryzen 9 9900X has 960 KB of L1 cache, 12 MB of L2 cache and 64 MB of L3 cache. That adds up to about 76.9 MB of cache, or 6.41 MB per core. Each core has 1 MB of private L2 cache.

The AMD Ryzen 9 9900X has a 3-level cache hierarchy: L1 at 960 KB, L2 at 12 MB and L3 at 64 MB. L3 is the largest level and makes up about 83% of the cache listed here.

The AMD Ryzen 9 9900X supports DDR5 memory, addresses up to 256 GB of memory, uses 2 memory channels and runs memory at up to 5,600 MT/s. It does not support DDR4 and LPDDR memory.

The AMD Ryzen 9 9900X includes integrated graphics (AMD Radeon Graphics).

The AMD Ryzen 9 9900X uses the AM5 socket, supports PCI Express 5.0 and provides up to 28 PCIe lanes.

The AMD Ryzen 9 9900X has a rated TDP of 120 W.

Instruction sets, security, virtualization, AI acceleration and OS readiness. Features are listed as supported, explicitly not supported, or not recorded; a feature that is not recorded is not the same as unsupported.

The AMD Ryzen 9 9900X is manufactured by TSMC. It launched at a price of $499.

The AMD Ryzen 9 9900X is also identified by the model number 9900X and the SKU 100-100000662WOF.

Feex has recorded 65% of the specifications it tracks for the AMD Ryzen 9 9900X. Values Feex does not hold are shown as "Not recorded" rather than estimated.

Not recorded: Core Configuration: Efficiency Cores, Hybrid Architecture and All-Core Boost. Architecture & Generation: ISA Family and Market Status. Cache: L4 Cache. Memory Support: Memory Bandwidth and ECC Memory. Graphics: Graphics Base Clock, Graphics Max Clock, Execution Units, Display Outputs and Max Video Memory. Platform & Compatibility: Package and Package Size. Power & Thermals: Base Power, Maximum Turbo Power, Configurable TDP (Min), Configurable TDP (Max), Max Junction Temperature and Tcase. Physical & Manufacturing: Transistor Count, Die Size and Die Count. Naming & Aliases: Processor Number and Part Number.

Processors that use the same AM5 socket as the AMD Ryzen 9 9900X and have the closest multi-core scores in the Feex database include AMD EPYC 4545P, AMD Ryzen 9 PRO 9955, AMD Ryzen 9 9900X3D, AMD Ryzen 9 7900X and AMD EPYC 4584PX.