Ultra 7 155H vs i9-10940X
Aggregate performance score
Core i9-10940X outperforms Core Ultra 7 155H by a moderate 11% based on our aggregate benchmark results.
Primary details
Comparing Core i9-10940X and Core Ultra 7 155H processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 357 | 433 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | no data | Intel Meteor Lake-H |
| Power efficiency | 10.09 | 53.47 |
| Architecture codename | Cascade Lake-X (2019) | Meteor Lake-H (2023) |
| Release date | 19 October 2019 (5 years ago) | 14 December 2023 (1 year ago) |
| Launch price (MSRP) | no data | $503 |
Detailed specifications
Core i9-10940X and Core Ultra 7 155H 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 | 14 (Tetradeca-Core) | 16 (Hexadeca-Core) |
| Threads | 28 | 22 |
| Base clock speed | 3.3 GHz | 3.8 GHz |
| Boost clock speed | 4.8 GHz | 4.8 GHz |
| Bus rate | 8 GT/s DMI3 MHz | no data |
| L1 cache | 64K (per core) | 112 KB (per core) |
| L2 cache | 1 MB (per core) | 2 MB (per core) |
| L3 cache | 19.25 MB (shared) | 24 MB (shared) |
| Chip lithography | 14 nm | Intel 4 nm |
| Maximum core temperature | 86 °C | 110 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
| Unlocked multiplier | + | - |
Compatibility
Information on Core i9-10940X and Core Ultra 7 155H 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 | FCLGA2066 | FCBGA2049 |
| Power consumption (TDP) | 165 Watt | 28 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i9-10940X and Core Ultra 7 155H. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512 | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | + | + |
| AVX | + | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | + |
| TSX | + | + |
| Thermal Monitoring | - | + |
| Flex Memory Access | no data | + |
| Turbo Boost Max 3.0 | + | + |
| Deep Learning Boost | + | + |
| Supported AI Software Frameworks | - | OpenVINO™, WindowsML, ONNX RT |
Security technologies
Core i9-10940X and Core Ultra 7 155H technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| Secure Key | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i9-10940X and Core Ultra 7 155H are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i9-10940X and Core Ultra 7 155H. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2933 | DDR5 |
| Maximum memory size | 256 GB | 96 GB |
| Max memory channels | 4 | 2 |
| Maximum memory bandwidth | 94 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel® Arc™ graphics |
| Quick Sync Video | - | + |
| Graphics max frequency | no data | 2.25 GHz |
Graphics interfaces
Available interfaces and connections of Core i9-10940X and Core Ultra 7 155H integrated GPUs.
| Number of displays supported | no data | 4 |
Graphics image quality
Maximum display resolutions supported by Core i9-10940X and Core Ultra 7 155H integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | no data | 4096 x 2304 @ 60Hz (HDMI 2.1 TMDS) 7680 x 4320 @ 60Hz (HDMI2.1 FRL) |
| Max resolution over eDP | no data | 3840x2400 @ 120Hz |
| Max resolution over DisplayPort | no data | 7680 x 4320 @ 60Hz |
Graphics API support
APIs supported by Core i9-10940X and Core Ultra 7 155H integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12.2 |
| OpenGL | no data | 4.6 |
Peripherals
Specifications and connection of peripherals supported by Core i9-10940X and Core Ultra 7 155H.
| PCIe version | 3.0 | 5.0 |
| PCI Express lanes | 48 | 8 |
| PCI support | no data | 5.0 and 4.0 |
Synthetic benchmark performance
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. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
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.
Pros & cons summary
| Performance score | 17.59 | 15.82 |
| Recency | 19 October 2019 | 14 December 2023 |
| Physical cores | 14 | 16 |
| Threads | 28 | 22 |
| Power consumption (TDP) | 165 Watt | 28 Watt |
i9-10940X has a 11.2% higher aggregate performance score, and 27.3% more threads.
Ultra 7 155H, on the other hand, has an age advantage of 4 years, 14.3% more physical cores, and 489.3% lower power consumption.
The Core i9-10940X is our recommended choice as it beats the Core Ultra 7 155H in performance tests.
Note that Core i9-10940X is a desktop processor while Core Ultra 7 155H is a notebook one.
Should you still have questions on choice between Core i9-10940X and Core Ultra 7 155H, ask them in Comments section, and we shall answer.
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