Ryzen 9 7940H vs Core i9-13900KS
Aggregate performance score
i9-13900KS outperforms Ryzen 9 7940H by a whopping 116% based on our aggregate benchmark results.
Primary details
Comparing Core i9-13900KS and Ryzen 9 7940H processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 66 | 313 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Architecture codename | Raptor Lake-S (2023−2024) | Phoenix (2023−2024) |
| Release date | 12 January 2023 (1 year ago) | January 2023 (1 year ago) |
Detailed specifications
Core i9-13900KS and Ryzen 9 7940H 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 | 24 (Tetracosa-Core) | 8 (Octa-Core) |
| Threads | 32 | 16 |
| Base clock speed | 3.2 GHz | 4 GHz |
| Boost clock speed | 6 GHz | 5.2 GHz |
| L1 cache | 80K (per core) | 64K (per core) |
| L2 cache | 2 MB (per core) | 1 MB (per core) |
| L3 cache | 36 MB (shared) | 16 MB (shared) |
| Chip lithography | 10 nm | 4 nm |
| Die size | 257 mm2 | 178 mm2 |
| Maximum case temperature (TCase) | 72 °C | no data |
| Number of transistors | no data | 25,000 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | + |
| Unlocked multiplier | Yes | No |
Compatibility
Information on Core i9-13900KS and Ryzen 9 7940H 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 | 1700 | FP8 |
| Power consumption (TDP) | 150 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i9-13900KS and Ryzen 9 7940H. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | + | no data |
| TSX | + | no data |
| Precision Boost 2 | no data | + |
Security technologies
Core i9-13900KS and Ryzen 9 7940H technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i9-13900KS and Ryzen 9 7940H are enumerated here.
| AMD-V | no data | + |
| VT-d | + | no data |
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i9-13900KS and Ryzen 9 7940H. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4, DDR5 Dual-channel | DDR5-5600 |
| Maximum memory bandwidth | 89.6 GB/s | no data |
| ECC memory support | + | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | Intel UHD Graphics 770 | AMD Radeon 780M |
Peripherals
Specifications and connection of peripherals supported by Core i9-13900KS and Ryzen 9 7940H.
| PCIe version | 5.0 | 4.0 |
| PCI Express lanes | 20 | 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 | 39.91 | 18.50 |
| Integrated graphics card | 6.15 | 18.31 |
| Physical cores | 24 | 8 |
| Threads | 32 | 16 |
| Chip lithography | 10 nm | 4 nm |
| Power consumption (TDP) | 150 Watt | 35 Watt |
i9-13900KS has a 115.7% higher aggregate performance score, and 200% more physical cores and 100% more threads.
Ryzen 9 7940H, on the other hand, has 197.7% faster integrated GPU, a 150% more advanced lithography process, and 328.6% lower power consumption.
The Core i9-13900KS is our recommended choice as it beats the Ryzen 9 7940H in performance tests.
Note that Core i9-13900KS is a desktop processor while Ryzen 9 7940H is a notebook one.
Should you still have questions on choice between Core i9-13900KS and Ryzen 9 7940H, 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.
