Ultra 5 115U vs Ryzen 9 PRO 7945
Aggregate performance score
Ryzen 9 PRO 7945 outperforms Core Ultra 5 115U by a whopping 313% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 227 | 1216 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Laptop |
| Power efficiency | 43.75 | no data |
| Designer | AMD | Intel |
| Manufacturer | TSMC | Intel |
| Architecture codename | Raphael (2023−2025) | Meteor Lake (2023) |
| Release date | 13 June 2023 (2 years ago) | 14 December 2023 (1 year ago) |
Detailed specifications
Ryzen 9 PRO 7945 and Core Ultra 5 115U 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) | 8 (Octa-Core) |
| Threads | 24 | 10 |
| Base clock speed | 3.7 GHz | 1.5 GHz |
| Boost clock speed | 5.4 GHz | 4.2 GHz |
| L1 cache | 64 KB (per core) | 112 KB (per core) |
| L2 cache | 1 MB (per core) | 2 MB (per core) |
| L3 cache | 64 MB (shared) | 10 MB (shared) |
| Chip lithography | 5 nm | 7 nm |
| Die size | 2x 71 mm2 | no data |
| Maximum case temperature (TCase) | 47 °C | no data |
| Number of transistors | 13,140 million | no data |
| 64 bit support | + | + |
Compatibility
Information on Ryzen 9 PRO 7945 and Core Ultra 5 115U 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 | AM5 | Intel BGA 2049 |
| Power consumption (TDP) | 65 Watt | + 10 MB |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 PRO 7945 and Core Ultra 5 115U. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | no data | + |
| TSX | - | + |
| Precision Boost 2 | + | no data |
Security technologies
Ryzen 9 PRO 7945 and Core Ultra 5 115U 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 PRO 7945 and Core Ultra 5 115U 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 PRO 7945 and Core Ultra 5 115U. 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 Graphics | Arc Xe-LPG 48EU |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 PRO 7945 and Core Ultra 5 115U.
| PCIe version | 5.0 | 4.0 |
| PCI Express lanes | 24 | 20 |
Synthetic benchmarks
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.
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. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Performance score | 26.52 | 6.42 |
| Recency | 13 June 2023 | 14 December 2023 |
| Physical cores | 12 | 8 |
| Threads | 24 | 10 |
| Chip lithography | 5 nm | 7 nm |
Ryzen 9 PRO 7945 has a 313.1% higher aggregate performance score, 50% more physical cores and 140% more threads, and a 40% more advanced lithography process.
Ultra 5 115U, on the other hand, has an age advantage of 6 months.
The AMD Ryzen 9 PRO 7945 is our recommended choice as it beats the Intel Core Ultra 5 115U in performance tests.
Be aware that Ryzen 9 PRO 7945 is a server/workstation processor while Core Ultra 5 115U 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.
