i9-12900H vs Ryzen 9 5900H
Aggregate performance score
Core i9-12900H outperforms Ryzen 9 5900H by a substantial 36% based on our aggregate benchmark results.
Primary details
Comparing Ryzen 9 5900H and Core i9-12900H processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 581 | 350 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | AMD Cezanne (Zen 3, Ryzen 5000) | Intel Alder Lake-P |
| Power efficiency | 27.22 | 36.99 |
| Architecture codename | Cezanne U (Zen 3) (2021−2022) | Alder Lake-H (2022) |
| Release date | 7 January 2021 (3 years ago) | 4 January 2022 (2 years ago) |
Detailed specifications
Ryzen 9 5900H and Core i9-12900H 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 | 16 | 20 |
| Base clock speed | 3.3 GHz | 2.5 GHz |
| Boost clock speed | 4.6 GHz | 5 GHz |
| L1 cache | 512 KB | 80K (per core) |
| L2 cache | 4 MB | 1.25 MB (per core) |
| L3 cache | 16 MB | 24 MB (shared) |
| Chip lithography | 7 nm | Intel 7 nm |
| Die size | no data | 217 mm2 |
| Maximum core temperature | no data | 100 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Ryzen 9 5900H and Core i9-12900H 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 | FP6 | FCBGA1744 |
| Power consumption (TDP) | 45 Watt | 45 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 5900H and Core i9-12900H. You'll probably need this information if you require some particular technology.
| Instruction set extensions | XFR, FMA3, SSE 4.2, AVX2, SMT | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | - | + |
| FMA | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | no data | + |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Thermal Monitoring | - | + |
| Flex Memory Access | no data | + |
| SIPP | - | + |
| Turbo Boost Max 3.0 | no data | + |
| Deep Learning Boost | - | + |
Security technologies
Ryzen 9 5900H and Core i9-12900H 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 5900H and Core i9-12900H 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 5900H and Core i9-12900H. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR4, DDR5 |
| Maximum memory size | no data | 64 GB |
| Max memory channels | no data | 2 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon RX Vega 8 (Ryzen 4000/5000) | Intel® Iris® Xe Graphics eligible |
| Quick Sync Video | - | + |
| Graphics max frequency | no data | 1.45 GHz |
| Execution Units | no data | 96 |
Graphics interfaces
Available interfaces and connections of Ryzen 9 5900H and Core i9-12900H integrated GPUs.
| Number of displays supported | no data | 4 |
Graphics image quality
Maximum display resolutions supported by Ryzen 9 5900H and Core i9-12900H integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | no data | 4096 x 2304 @ 60Hz |
| Max resolution over eDP | no data | 4096 x 2304 @ 120Hz |
| Max resolution over DisplayPort | no data | 7680 x 4320 @ 60Hz |
Graphics API support
APIs supported by Ryzen 9 5900H and Core i9-12900H integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12.1 |
| OpenGL | no data | 4.6 |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 5900H and Core i9-12900H.
| PCIe version | no data | 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 | 13.38 | 18.18 |
| Recency | 7 January 2021 | 4 January 2022 |
| Physical cores | 8 | 14 |
| Threads | 16 | 20 |
i9-12900H has a 35.9% higher aggregate performance score, an age advantage of 11 months, and 75% more physical cores and 25% more threads.
The Core i9-12900H is our recommended choice as it beats the Ryzen 9 5900H in performance tests.
Should you still have questions on choice between Ryzen 9 5900H and Core i9-12900H, 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.
