AMD Ryzen 9 9955HX: specs and benchmarks
Aggregate performance score
Ryzen 9 9955HX provides good benchmark performance at 28.36% of a leader's which is a 96-core EPYC 9655P.
Contents
Summary
AMD started Ryzen 9 9955HX sales 6 January 2025. This is a Fire Range-HX (Zen 5) architecture notebook processor primarily aimed at home systems.
Compatibility-wise, this is a processor with a TDP of 55 Watt.
Primary details
Ryzen 9 9955HX processor market type (desktop or notebook), architecture, sales start time and pricing.
| Place in the ranking | 184 | |
| Place by popularity | not in top-100 | |
| Market segment | Laptop | |
| Series | AMD Dragon Range (Zen 4, Ryzen 7045) | |
| Power efficiency | 49.39 | of 100.00 (Ryzen Z1 Extreme) |
| Designer | AMD | |
| Architecture codename | Fire Range-HX (Zen 5) (2025) | |
| Release date | 6 January 2025 (less than a year ago) |
Detailed specifications
Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.
| Physical cores | 16 (Hexadeca-Core) | |
| Threads | 32 | |
| Boost clock speed | 5.4 GHz | of 6.2 GHz (Core i9-14900KS) |
| L1 cache | 1.3 MB | of 80 KB (EPYC 9965) |
| L2 cache | 16 MB | of 2 MB (Xeon 6980P) |
| L3 cache | 64 MB | of 1152 MB (EPYC 9684X) |
| 64 bit support | + |
Compatibility
Information on Ryzen 9 9955HX compatibility with other computer components and devices: 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.
| Power consumption (TDP) | 55 Watt | of 500 Watt (Xeon 6960P) |
Graphics specifications
General parameters of a GPU integrated into Ryzen 9 9955HX.
| Integrated graphics card | AMD Radeon 610M ( - 2200 MHz) |
Benchmark performance
Single-core and multi-core benchmark results of Ryzen 9 9955HX. Overall benchmark performance is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating.
Geekbench 5.5 Multi-Core
7-Zip Single
7-Zip
CrossMark Overall
WebXPRT 4 Overall
Blender v3.3 Classroom CPU(-)
Geekbench 6.4 Multi-Core
Geekbench 6.4 Single-Core
Send your test results of Ryzen 9 9955HX.
Intel equivalent
According to our data, the closest Intel alternative to Ryzen 9 9955HX is Core i9-14900HX, which is nearly equal in speed and lower by 2 positions in our ranking.
Here are some closest Intel rivals to Ryzen 9 9955HX:
Similar processors
Here is our recommendation of several processors that are more or less close in performance to the one reviewed.
