i9-10940X vs Ultra X7 358H
Aggregate performance score
Core Ultra X7 358H outperforms Core i9-10940X by a significant 22% 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 | 379 | 518 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Power efficiency | 32.42 | 4.04 |
| Designer | Intel | Intel |
| Manufacturer | no data | Intel |
| Architecture codename | Panther Lake (2026) | Cascade Lake-X (2019) |
| Release date | no data | 19 October 2019 (6 years ago) |
Detailed specifications
Core Ultra X7 358H and Core i9-10940X 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) | 14 (Tetradeca-Core) |
| Performance-cores | 4 | no data |
| Efficient-cores | 8 | no data |
| Low Power Efficient-cores | 4 | no data |
| Threads | 16 | 28 |
| Base clock speed | 1.5 GHz | 3.3 GHz |
| Boost clock speed | 4.8 GHz | 4.8 GHz |
| Bus rate | no data | 8 GT/s DMI3 MHz |
| L1 cache | no data | 64K (per core) |
| L2 cache | no data | 1 MB (per core) |
| L3 cache | 18 MB Intel® Smart Cache | 19.25 MB (shared) |
| Chip lithography | no data | 14 nm |
| Maximum core temperature | no data | 86 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | + |
| Unlocked multiplier | - | + |
Compatibility
Information on Core Ultra X7 358H and Core i9-10940X 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 | FCBGA2540 | FCLGA2066 |
| Power consumption (TDP) | 25 Watt | 165 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core Ultra X7 358H and Core i9-10940X. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512 |
| AES-NI | + | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | + | no data |
| Turbo Boost Technology | 2.0 | 2.0 |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Thermal Monitoring | + | - |
| Turbo Boost Max 3.0 | + | + |
| Deep Learning Boost | + | + |
| Supported AI Software Frameworks | OpenVINO™, WindowsML, DirectML, ONNX RT, WebNN | - |
Security technologies
Core Ultra X7 358H and Core i9-10940X technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core Ultra X7 358H and Core i9-10940X are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core Ultra X7 358H and Core i9-10940X. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | LPDDR5X-9600 | DDR4-2933 |
| Maximum memory size | 96 GB | 256 GB |
| Max memory channels | 2 | 4 |
| Maximum memory bandwidth | no data | 94 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel® Arc™ B390 GPU | no data |
| Quick Sync Video | + | - |
| Graphics max frequency | 2.5 GHz | no data |
Graphics interfaces
Available interfaces and connections of Core Ultra X7 358H and Core i9-10940X integrated GPUs.
| Number of displays supported | 4 | no data |
Graphics image quality
Maximum display resolutions supported by Core Ultra X7 358H and Core i9-10940X integrated GPUs, including resolutions over different interfaces.
| Max resolution over eDP | 3840 x 2400 @ 120Hz | no data |
| Max resolution over DisplayPort | 7680 x 4320 @ 60Hz | no data |
Graphics API support
APIs supported by Core Ultra X7 358H and Core i9-10940X integrated GPUs, sometimes API versions are included.
| DirectX | DirectX 12 Ultimate | no data |
| OpenGL | 4.6 | no data |
Peripherals
Specifications and connection of peripherals supported by Core Ultra X7 358H and Core i9-10940X.
| PCIe version | 5.0 and 4.0 | 3.0 |
| PCI Express lanes | 12 | 48 |
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 | 19.21 | 15.80 |
| Physical cores | 16 | 14 |
| Threads | 16 | 28 |
| Power consumption (TDP) | 25 Watt | 165 Watt |
Ultra X7 358H has a 22% higher aggregate performance score, 14% more physical cores, and 560% lower power consumption.
i9-10940X, on the other hand, has 75% more threads.
The Intel Core Ultra X7 358H is our recommended choice as it beats the Intel Core i9-10940X in performance tests.
Be aware that Core Ultra X7 358H is a notebook processor while Core i9-10940X 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.
