Ultra 5 245KF vs Ultra 7 266V
Primary details
Comparing Core Ultra 7 266V and Core Ultra 5 245KF processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 170 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 78.67 |
| Market segment | Laptop | Desktop processor |
| Power efficiency | no data | 21.02 |
| Architecture codename | Lunar Lake (2024) | Arrow Lake-S (2024−2025) |
| Release date | 24 September 2024 (less than a year ago) | 24 October 2024 (less than a year ago) |
| Launch price (MSRP) | no data | $294 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core Ultra 7 266V 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 | 8 (Octa-Core) | 14 (Tetradeca-Core) |
| Threads | 8 | 14 |
| Base clock speed | 2.2 GHz | 4.2 GHz |
| Boost clock speed | 5 GHz | 5.2 GHz |
| Bus rate | 37 MHz | no data |
| L1 cache | 192 KB (per core) | 112 KB (per core) |
| L2 cache | 2.5 MB (per core) | 3 MB (per core) |
| L3 cache | 12 MB (shared) | 24 MB (shared) |
| Chip lithography | 3 nm | 3 nm |
| Die size | no data | 243 mm2 |
| Maximum core temperature | 100 °C | no data |
| Number of transistors | no data | 17,800 million |
| 64 bit support | + | + |
Compatibility
Information on Core Ultra 7 266V 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 | Intel BGA 2833 | 1851 |
| Power consumption (TDP) | 17 Watt | 125 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core Ultra 7 266V 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 Ultra 7 266V 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 Ultra 7 266V 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 Ultra 7 266V and Core Ultra 5 245KF. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Arc 140V | N/A |
Peripherals
Specifications and connection of peripherals supported by Core Ultra 7 266V and Core Ultra 5 245KF.
| PCIe version | 5.0 | 5.0 |
| PCI Express lanes | 4 | 20 |
Pros & cons summary
| Physical cores | 8 | 14 |
| Threads | 8 | 14 |
| Power consumption (TDP) | 17 Watt | 125 Watt |
Ultra 7 266V has 635.3% lower power consumption.
Ultra 5 245KF, on the other hand, has 75% more physical cores and 75% more threads.
We couldn't decide between Core Ultra 7 266V and Core Ultra 5 245KF. We've got no test results to judge.
Be aware that Core Ultra 7 266V is a notebook processor while Core Ultra 5 245KF is a desktop one.
Should you still have questions on choice between Core Ultra 7 266V and Core Ultra 5 245KF, ask them in Comments section, and we shall answer.
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