Ryzen 9 3900X vs Ryzen AI 9 HX 375
Aggregate performance score
Ryzen 9 3900X outperforms Ryzen AI 9 HX 375 by a minimal 4% based on our aggregate benchmark results.
Primary details
Comparing Ryzen AI 9 HX 375 and Ryzen 9 3900X processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 291 | 275 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 21.73 |
| Market segment | Laptop | Desktop processor |
| Series | AMD Strix Point (Zen 5/5c, Ryzen AI 3/5/7/9) | AMD Ryzen 9 |
| Power efficiency | 34.49 | 15.54 |
| Architecture codename | Strix Point-HX (Zen 5) (2024) | Matisse (Zen 2) (2019−2020) |
| Release date | 25 July 2024 (less than a year ago) | 7 July 2019 (5 years ago) |
| Launch price (MSRP) | no data | $499 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Ryzen AI 9 HX 375 and Ryzen 9 3900X basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
| Physical cores | 12 (Dodeca-Core) | 12 (Dodeca-Core) |
| Threads | 24 | 24 |
| Base clock speed | 2 GHz | 3.8 GHz |
| Boost clock speed | 5.1 GHz | 4.6 GHz |
| L1 cache | no data | 768 KB |
| L2 cache | 12 MB | 6 MB |
| L3 cache | 24 MB | 64 MB |
| Chip lithography | 4 nm | 7 nm, 12 nm |
| Maximum core temperature | 100 °C | 95 °C |
| Number of transistors | no data | 19,200 million |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | + |
| Unlocked multiplier | - | + |
Compatibility
Information on Ryzen AI 9 HX 375 and Ryzen 9 3900X compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
| Number of CPUs in a configuration | no data | 1 (Uniprocessor) |
| Socket | FP8 | AM4 |
| Power consumption (TDP) | 54 Watt | 105 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen AI 9 HX 375 and Ryzen 9 3900X. You'll probably need this information if you require some particular technology.
| Instruction set extensions | USB 4, XDNA 2 NPU (55 TOPS), SMT, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A | no data |
| AES-NI | + | + |
| AVX | + | + |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen AI 9 HX 375 and Ryzen 9 3900X are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen AI 9 HX 375 and Ryzen 9 3900X. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR4 Dual-channel |
| Maximum memory size | no data | 128 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 51.196 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon 890M ( - 2900 MHz) | - |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
Cinebench 15 64-bit multi-core
Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.
Cinebench 15 64-bit single-core
Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.
Geekbench 5.5 Multi-Core
Blender(-)
Geekbench 5.5 Single-Core
7-Zip Single
7-Zip
WebXPRT 3
Pros & cons summary
| Performance score | 19.68 | 20.53 |
| Recency | 25 July 2024 | 7 July 2019 |
| Chip lithography | 4 nm | 7 nm |
| Power consumption (TDP) | 54 Watt | 105 Watt |
Ryzen AI 9 HX 375 has an age advantage of 5 years, a 75% more advanced lithography process, and 94.4% lower power consumption.
Ryzen 9 3900X, on the other hand, has a 4.3% higher aggregate performance score.
Given the minimal performance differences, no clear winner can be declared between Ryzen AI 9 HX 375 and Ryzen 9 3900X.
Be aware that Ryzen AI 9 HX 375 is a notebook processor while Ryzen 9 3900X is a desktop one.
Should you still have questions on choice between Ryzen AI 9 HX 375 and Ryzen 9 3900X, ask them in Comments section, and we shall answer.
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