Ultra 5 250K Plus vs Apple M3 Pro 11-Core
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 607 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | Apple M3 | no data |
| Power efficiency | 22.21 | no data |
| Designer | Apple | Intel |
| Manufacturer | no data | TSMC |
| Architecture codename | no data | Arrow Lake Refresh (2026) |
| Release date | 30 October 2023 (2 years ago) | 11 March 2026 (recently) |
| Launch price (MSRP) | no data | $199 |
Detailed specifications
M3 Pro 11-Core and Core Ultra 5 250K Plus 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 | 11 (Undeca-Core) | 18 (Octadeca-Core) |
| Threads | 11 | 18 |
| Base clock speed | 2.748 GHz | 4.2 GHz |
| Boost clock speed | 4.06 GHz | 5.3 GHz |
| L1 cache | no data | 192 KB (per core) |
| L2 cache | no data | 3 MB (per core) |
| L3 cache | no data | 30 MB (shared) |
| Chip lithography | 3 nm | 3 nm |
| Die size | no data | 243 mm2 |
| Number of transistors | 37000 Million | 17,800 million |
| 64 bit support | + | + |
| Unlocked multiplier | - | + |
Compatibility
Information on M3 Pro 11-Core and Core Ultra 5 250K Plus 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 |
| Socket | no data | 1851 |
| Power consumption (TDP) | 27 Watt | 125 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by M3 Pro 11-Core and Core Ultra 5 250K Plus. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
| SIPP | - | + |
Security technologies
M3 Pro 11-Core and Core Ultra 5 250K Plus technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by M3 Pro 11-Core and Core Ultra 5 250K Plus are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by M3 Pro 11-Core and Core Ultra 5 250K Plus. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Apple M3 Pro 14-Core GPU | Arc Xe-LPG Graphics 64EU |
Peripherals
Specifications and connection of peripherals supported by M3 Pro 11-Core and Core Ultra 5 250K Plus.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 24 |
Synthetic benchmarks
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
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
| Recency | 30 October 2023 | 11 March 2026 |
| Physical cores | 11 | 18 |
| Threads | 11 | 18 |
| Power consumption (TDP) | 27 Watt | 125 Watt |
Apple M3 Pro 11-Core has 363% lower power consumption.
Ultra 5 250K Plus, on the other hand, has an age advantage of 2 years, and 63.6% more physical cores and 63.6% more threads.
We couldn't decide between Apple M3 Pro 11-Core and Intel Core Ultra 5 250K Plus. We've got no test results to judge.
Be aware that Apple M3 Pro 11-Core is a notebook processor while Core Ultra 5 250K Plus is a desktop one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
