Ultra 5 245KF vs Ryzen 9 7940HX
Aggregate performance score
Ryzen 9 7940HX outperforms Core Ultra 5 245KF by a significant 24% based on our aggregate benchmark results.
Primary details
Comparing Ryzen 9 7940HX and Core Ultra 5 245KF processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 112 | 176 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 82.57 |
| Market segment | Laptop | Desktop processor |
| Series | AMD Dragon Range (Zen 4, Ryzen 7045) | no data |
| Power efficiency | 59.00 | 20.96 |
| Architecture codename | Dragon Range-HX (Zen 4) (2023−2024) | Arrow Lake-S (2024−2025) |
| Release date | 17 January 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
Ryzen 9 7940HX 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 | 16 (Hexadeca-Core) | 14 (Tetradeca-Core) |
| Threads | 32 | 14 |
| Base clock speed | 2.4 GHz | 4.2 GHz |
| Boost clock speed | 5.2 GHz | 5.2 GHz |
| L1 cache | 1 MB | 112 KB (per core) |
| L2 cache | 16 MB | 3 MB (per core) |
| L3 cache | 64 MB | 24 MB (shared) |
| Chip lithography | 5 nm | 3 nm |
| Die size | no data | 243 mm2 |
| Maximum core temperature | 100 °C | no data |
| Number of transistors | 9900 Million | 17,800 million |
| 64 bit support | + | + |
Compatibility
Information on Ryzen 9 7940HX 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 | no data | 1 |
| Socket | FL1 | FCLGA1851 |
| Power consumption (TDP) | 55 Watt | 125 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 7940HX and Core Ultra 5 245KF. You'll probably need this information if you require some particular technology.
| Instruction set extensions | MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | + | + |
| FMA | + | - |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| TSX | - | + |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| Deep Learning Boost | - | + |
| Supported AI Software Frameworks | - | OpenVINO™, WindowsML, DirectML, ONNX RT, WebNN |
Security technologies
Ryzen 9 7940HX and Core Ultra 5 245KF technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| Secure Key | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 9 7940HX and Core Ultra 5 245KF are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 9 7940HX and Core Ultra 5 245KF. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR5-6400 |
| Maximum memory size | no data | 192 GB |
| Max memory channels | no data | 2 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon 610M (400 - 2200 MHz) | N/A |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 7940HX and Core Ultra 5 245KF.
| PCIe version | no data | 5.0 and 4.0 |
| PCI Express lanes | no data | 20 |
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 | 34.29 | 27.68 |
| Recency | 17 January 2024 | 24 October 2024 |
| Physical cores | 16 | 14 |
| Threads | 32 | 14 |
| Chip lithography | 5 nm | 3 nm |
| Power consumption (TDP) | 55 Watt | 125 Watt |
Ryzen 9 7940HX has a 23.9% higher aggregate performance score, 14.3% more physical cores and 128.6% more threads, and 127.3% lower power consumption.
Ultra 5 245KF, on the other hand, has an age advantage of 9 months, and a 66.7% more advanced lithography process.
The Ryzen 9 7940HX is our recommended choice as it beats the Core Ultra 5 245KF in performance tests.
Be aware that Ryzen 9 7940HX is a notebook processor while Core Ultra 5 245KF is a desktop one.
Should you still have questions on choice between Ryzen 9 7940HX and Core Ultra 5 245KF, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
