Ultra 7 155UL vs Ryzen 9 7945HX
Primary details
Comparing Ryzen 9 7945HX and Core Ultra 7 155UL processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 108 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Power efficiency | 59.22 | no data |
| Architecture codename | Dragon Range-HX (Zen 4) (2023−2024) | Meteor Lake-PS (2024) |
| Release date | 4 January 2023 (1 year ago) | 8 April 2024 (less than a year ago) |
| Launch price (MSRP) | no data | $426 |
Detailed specifications
Ryzen 9 7945HX and Core Ultra 7 155UL 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 | 16 (Hexadeca-Core) | 12 (Dodeca-Core) |
| Threads | 32 | 14 |
| Base clock speed | 2.5 GHz | 1.7 GHz |
| Boost clock speed | 5.4 GHz | 4.8 GHz |
| L1 cache | 64K (per core) | 112 KB (per core) |
| L2 cache | 1 MB (per core) | 2 MB (per core) |
| L3 cache | 64 MB (shared) | 12 MB (shared) |
| Chip lithography | CCD = 5 nm, I/O = 6 nm | 7 nm |
| Die size | 2x 71 mm2 | no data |
| Maximum core temperature | 100 °C | no data |
| Number of transistors | 13,140 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
| Unlocked multiplier | + | - |
Compatibility
Information on Ryzen 9 7945HX and Core Ultra 7 155UL 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 | 1 |
| Socket | FL1 | 1851 |
| Power consumption (TDP) | 55 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 7945HX and Core Ultra 7 155UL. You'll probably need this information if you require some particular technology.
| Instruction set extensions | MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME | no data |
| AES-NI | + | + |
| FMA | + | - |
| AVX | + | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
| TSX | - | + |
| Precision Boost 2 | + | no data |
Security technologies
Ryzen 9 7945HX and Core Ultra 7 155UL technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 9 7945HX and Core Ultra 7 155UL are enumerated here.
| AMD-V | + | - |
| VT-d | no data | + |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 9 7945HX and Core Ultra 7 155UL. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR5 Depends on motherboard |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon 610M | Arc Xe-LPG 64EU |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 7945HX and Core Ultra 7 155UL.
| PCIe version | 5.0 | 4.0 |
| PCI Express lanes | 28 | 8 |
Pros & cons summary
| Recency | 4 January 2023 | 8 April 2024 |
| Physical cores | 16 | 12 |
| Threads | 32 | 14 |
| Power consumption (TDP) | 55 Watt | 15 Watt |
Ryzen 9 7945HX has 33.3% more physical cores and 128.6% more threads.
Ultra 7 155UL, on the other hand, has an age advantage of 1 year, and 266.7% lower power consumption.
We couldn't decide between Ryzen 9 7945HX and Core Ultra 7 155UL. We've got no test results to judge.
Be aware that Ryzen 9 7945HX is a notebook processor while Core Ultra 7 155UL is a desktop one.
Should you still have questions on choice between Ryzen 9 7945HX and Core Ultra 7 155UL, ask them in Comments section, and we shall answer.
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