Ultra 5 245KF vs i9-10940XE
Primary details
Comparing Core i9-10940XE and Core Ultra 5 245KF processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 168 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 79.32 |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | no data | 21.16 |
| Architecture codename | Cascade Lake-X (2019) | Arrow Lake-S (2024−2025) |
| Release date | 19 October 2019 (5 years ago) | 24 October 2024 (recently) |
| Launch price (MSRP) | no data | $294 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i9-10940XE and Core Ultra 5 245KF 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) | 14 (Tetradeca-Core) |
| Threads | 28 | 14 |
| Base clock speed | 3.3 GHz | 4.2 GHz |
| Boost clock speed | 4.8 GHz | 5.2 GHz |
| L1 cache | 64K (per core) | 112 KB (per core) |
| L2 cache | 1 MB (per core) | 3 MB (per core) |
| L3 cache | 19.25 MB (shared) | 24 MB (shared) |
| Chip lithography | 14 nm | 3 nm |
| Die size | no data | 243 mm2 |
| Number of transistors | no data | 17,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | + | - |
Compatibility
Information on Core i9-10940XE and Core Ultra 5 245KF 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 | 2066 | 1851 |
| Power consumption (TDP) | 165 Watt | 125 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i9-10940XE and Core Ultra 5 245KF. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | + | + |
| TSX | + | + |
Security technologies
Core i9-10940XE and Core Ultra 5 245KF technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i9-10940XE and Core Ultra 5 245KF are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i9-10940XE and Core Ultra 5 245KF. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 Quad-channel | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | N/A |
Peripherals
Specifications and connection of peripherals supported by Core i9-10940XE and Core Ultra 5 245KF.
| PCIe version | 3.0 | 5.0 |
| PCI Express lanes | no data | 20 |
Pros & cons summary
| Recency | 19 October 2019 | 24 October 2024 |
| Threads | 28 | 14 |
| Chip lithography | 14 nm | 3 nm |
| Power consumption (TDP) | 165 Watt | 125 Watt |
i9-10940XE has 100% more threads.
Ultra 5 245KF, on the other hand, has an age advantage of 5 years, a 366.7% more advanced lithography process, and 32% lower power consumption.
We couldn't decide between Core i9-10940XE and Core Ultra 5 245KF. We've got no test results to judge.
Should you still have questions on choice between Core i9-10940XE and Core Ultra 5 245KF, ask them in Comments section, and we shall answer.
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