i9-12900HX vs Ryzen 9 PRO 7945
Aggregate performance score
Ryzen 9 PRO 7945 outperforms Core i9-12900HX by a considerable 41% based on our aggregate benchmark results.
Primary details
Comparing Ryzen 9 PRO 7945 and Core i9-12900HX processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 140 | 250 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Laptop |
| Power efficiency | 43.84 | 36.81 |
| Architecture codename | Raphael (2023−2024) | Alder Lake-HX (2022) |
| Release date | 13 June 2023 (1 year ago) | 10 May 2022 (2 years ago) |
Detailed specifications
Ryzen 9 PRO 7945 and Core i9-12900HX 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 | 12 (Dodeca-Core) | 16 (Hexadeca-Core) |
| Threads | 24 | 24 |
| Base clock speed | 3.7 GHz | 2.3 GHz |
| Boost clock speed | 5.4 GHz | 5 GHz |
| L1 cache | 64 KB (per core) | 80K (per core) |
| L2 cache | 1 MB (per core) | 1.25 MB (per core) |
| L3 cache | 64 MB (shared) | 30 MB (shared) |
| Chip lithography | 5 nm | Intel 7 nm |
| Die size | 2x 71 mm2 | 215 mm2 |
| Maximum core temperature | no data | 100 °C |
| Maximum case temperature (TCase) | 47 °C | 72 °C |
| Number of transistors | 13,140 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | + |
| Unlocked multiplier | - | + |
Compatibility
Information on Ryzen 9 PRO 7945 and Core i9-12900HX 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 | AM5 | FCBGA1964 |
| Power consumption (TDP) | 65 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 PRO 7945 and Core i9-12900HX. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | 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 | + |
| Turbo Boost Max 3.0 | no data | + |
| Precision Boost 2 | + | no data |
| Deep Learning Boost | - | + |
Security technologies
Ryzen 9 PRO 7945 and Core i9-12900HX 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 PRO 7945 and Core i9-12900HX are enumerated here.
| AMD-V | + | - |
| 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 PRO 7945 and Core i9-12900HX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR4, DDR5 |
| Maximum memory size | no data | 128 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 76.8 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon Graphics | Intel® UHD Graphics for 12th Gen Intel® Processors |
| Quick Sync Video | - | + |
| Graphics max frequency | no data | 1.55 GHz |
| Execution Units | no data | 32 |
Graphics interfaces
Available interfaces and connections of Ryzen 9 PRO 7945 and Core i9-12900HX integrated GPUs.
| Number of displays supported | no data | 4 |
Graphics image quality
Maximum display resolutions supported by Ryzen 9 PRO 7945 and Core i9-12900HX 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 | 5120 x 3200 @ 120Hz |
| Max resolution over DisplayPort | no data | 7680 x 4320 @ 60Hz |
Graphics API support
APIs supported by Ryzen 9 PRO 7945 and Core i9-12900HX 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 PRO 7945 and Core i9-12900HX.
| PCIe version | 5.0 | 5.0 and 4.0 |
| PCI Express lanes | 24 | 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 | 30.11 | 21.39 |
| Recency | 13 June 2023 | 10 May 2022 |
| Physical cores | 12 | 16 |
| Power consumption (TDP) | 65 Watt | 55 Watt |
Ryzen 9 PRO 7945 has a 40.8% higher aggregate performance score, and an age advantage of 1 year.
i9-12900HX, on the other hand, has 33.3% more physical cores, and 18.2% lower power consumption.
The Ryzen 9 PRO 7945 is our recommended choice as it beats the Core i9-12900HX in performance tests.
Be aware that Ryzen 9 PRO 7945 is a server/workstation processor while Core i9-12900HX is a notebook one.
Should you still have questions on choice between Ryzen 9 PRO 7945 and Core i9-12900HX, ask them in Comments section, and we shall answer.
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