Ryzen 9 9955HX3D vs Ultra 5 135UL
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | no data | AMD Dragon Range (Zen 4, Ryzen 7045) |
| Designer | Intel | AMD |
| Manufacturer | Intel | no data |
| Architecture codename | Meteor Lake-PS (2024) | Fire Range-HX (Zen 5) (2025) |
| Release date | 8 April 2024 (1 year ago) | 6 January 2025 (less than a year ago) |
| Launch price (MSRP) | $331 | no data |
Detailed specifications
Core Ultra 5 135UL and Ryzen 9 9955HX3D 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) | 16 (Hexadeca-Core) |
| Threads | 14 | 32 |
| Base clock speed | 1.6 GHz | no data |
| Boost clock speed | 4.4 GHz | 5.4 GHz |
| L1 cache | 112 KB (per core) | 1.3 MB |
| L2 cache | 2 MB (per core) | 16 MB |
| L3 cache | 12 MB (shared) | 128 MB |
| Chip lithography | 7 nm | no data |
| 64 bit support | + | + |
Compatibility
Information on Core Ultra 5 135UL and Ryzen 9 9955HX3D 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 | 1 | no data |
| Socket | 1851 | no data |
| Power consumption (TDP) | 15 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core Ultra 5 135UL and Ryzen 9 9955HX3D. You'll probably need this information if you require some particular technology.
| AES-NI | + | - |
| AVX | + | - |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | no data |
| TSX | + | - |
Security technologies
Core Ultra 5 135UL and Ryzen 9 9955HX3D technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core Ultra 5 135UL and Ryzen 9 9955HX3D are enumerated here.
| VT-d | + | no data |
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core Ultra 5 135UL and Ryzen 9 9955HX3D. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 Depends on motherboard | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Arc Xe-LPG 64EU | AMD Radeon 610M ( - 2200 MHz) |
Peripherals
Specifications and connection of peripherals supported by Core Ultra 5 135UL and Ryzen 9 9955HX3D.
| PCIe version | 4.0 | no data |
| PCI Express lanes | 8 | no data |
Pros & cons summary
| Recency | 8 April 2024 | 6 January 2025 |
| Physical cores | 12 | 16 |
| Threads | 14 | 32 |
| Power consumption (TDP) | 15 Watt | 55 Watt |
Ultra 5 135UL has 266.7% lower power consumption.
Ryzen 9 9955HX3D, on the other hand, has an age advantage of 8 months, and 33.3% more physical cores and 128.6% more threads.
We couldn't decide between Intel Core Ultra 5 135UL and AMD Ryzen 9 9955HX3D. We've got no test results to judge.
Note that Core Ultra 5 135UL is a desktop processor while Ryzen 9 9955HX3D is a notebook one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
