Ryzen 9 7940HX vs i7-14700KF
Aggregate performance score
Ryzen 9 7940HX outperforms Core i7-14700KF by a minimal 1% based on our aggregate benchmark results.
Primary details
Comparing Core i7-14700KF and Ryzen 9 7940HX processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 111 | 109 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 82.93 | no data |
| Market segment | Desktop processor | Laptop |
| Series | no data | AMD Dragon Range (Zen 4, Ryzen 7045) |
| Power efficiency | 25.37 | 58.14 |
| Architecture codename | Raptor Lake-R (2023−2024) | Dragon Range-HX (Zen 4) (2023−2024) |
| Release date | 17 October 2023 (less than a year ago) | 17 January 2024 (less than a year ago) |
| Launch price (MSRP) | $384 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i7-14700KF and Ryzen 9 7940HX 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 | 20 (Icosa-Core) | 16 (Hexadeca-Core) |
| Threads | 28 | 32 |
| Base clock speed | 3.4 GHz | 2.4 GHz |
| Boost clock speed | 5.6 GHz | 5.2 GHz |
| L1 cache | 80 KB (per core) | 1 MB |
| L2 cache | 2 MB (per core) | 16 MB |
| L3 cache | 33 MB (shared) | 64 MB |
| Chip lithography | Intel 7 nm | 5 nm |
| Die size | 257 mm2 | no data |
| Maximum core temperature | 100 °C | 100 °C |
| Number of transistors | no data | 9900 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
| Unlocked multiplier | + | - |
Compatibility
Information on Core i7-14700KF and Ryzen 9 7940HX 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 | no data |
| Socket | FCLGA1700 | FL1 |
| Power consumption (TDP) | 125 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-14700KF and Ryzen 9 7940HX. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | 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 |
| AES-NI | + | + |
| FMA | - | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Speed Shift | + | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| TSX | + | - |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Turbo Boost Max 3.0 | + | no data |
| Status | Launched | no data |
| Deep Learning Boost | + | - |
Security technologies
Core i7-14700KF and Ryzen 9 7940HX 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 Core i7-14700KF and Ryzen 9 7940HX 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 Core i7-14700KF and Ryzen 9 7940HX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5-5600, DDR4-3200 | DDR5 |
| Maximum memory size | 192 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 89.6 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | AMD Radeon 610M |
Peripherals
Specifications and connection of peripherals supported by Core i7-14700KF and Ryzen 9 7940HX.
| PCIe version | 5.0 and 4.0 | no data |
| PCI Express lanes | 16 | no data |
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 | 34.85 | 35.14 |
| Recency | 17 October 2023 | 17 January 2024 |
| Physical cores | 20 | 16 |
| Threads | 28 | 32 |
| Power consumption (TDP) | 125 Watt | 55 Watt |
i7-14700KF has 25% more physical cores.
Ryzen 9 7940HX, on the other hand, has a 0.8% higher aggregate performance score, an age advantage of 3 months, 14.3% more threads, and 127.3% lower power consumption.
Given the minimal performance differences, no clear winner can be declared between Core i7-14700KF and Ryzen 9 7940HX.
Note that Core i7-14700KF is a desktop processor while Ryzen 9 7940HX is a notebook one.
Should you still have questions on choice between Core i7-14700KF and Ryzen 9 7940HX, 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.
