Ultra 7 255HX vs i9-12900F
Primary details
Comparing Core i9-12900F and Core Ultra 7 255HX processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 238 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Power efficiency | 33.09 | no data |
| Architecture codename | Alder Lake-S (2022) | no data |
| Release date | 4 January 2022 (3 years ago) | 1 January 2025 (less than a year ago) |
Detailed specifications
Core i9-12900F and Core Ultra 7 255HX 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) | 20 (Icosa-Core) |
| Performance-cores | 8 | 8 |
| Efficient-cores | 8 | 12 |
| Threads | 24 | 20 |
| Base clock speed | 2.4 GHz | no data |
| Boost clock speed | 5.1 GHz | 5.2 GHz |
| L1 cache | 80K (per core) | no data |
| L2 cache | 1.25 MB (per core) | no data |
| L3 cache | 30 MB (shared) | 30 MB |
| Chip lithography | Intel 7 nm | no data |
| Die size | 215 mm2 | no data |
| Maximum core temperature | 100 °C | no data |
| Maximum case temperature (TCase) | 72 °C | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
| Unlocked multiplier | + | - |
Compatibility
Information on Core i9-12900F and Core Ultra 7 255HX 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 | FCBGA2114 |
| Power consumption (TDP) | 65 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i9-12900F and Core Ultra 7 255HX. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | + | + |
| AVX | + | - |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | + | + |
| Turbo Boost Technology | 2.0 | 2.0 |
| Hyper-Threading Technology | + | no data |
| TSX | + | - |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| Turbo Boost Max 3.0 | + | + |
| Deep Learning Boost | + | + |
| Supported AI Software Frameworks | - | OpenVINO™, WindowsML, DirectML, ONNX RT, WebNN |
Security technologies
Core i9-12900F and Core Ultra 7 255HX technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| Secure Key | + | + |
| OS Guard | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i9-12900F and Core Ultra 7 255HX are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i9-12900F and Core Ultra 7 255HX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5-4800, DDR4-3200 | DDR5-6400 |
| Maximum memory size | 128 GB | 192 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 76.8 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel® Graphics |
| Quick Sync Video | - | + |
| Graphics max frequency | no data | 1.85 GHz |
Graphics interfaces
Available interfaces and connections of Core i9-12900F and Core Ultra 7 255HX integrated GPUs.
| Number of displays supported | no data | 4 |
Graphics image quality
Maximum display resolutions supported by Core i9-12900F and Core Ultra 7 255HX integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | no data | 4K @ 60Hz (HDMI 2.1 TMDS) 8K @ 60Hz (HDMI2.1 FRL) |
| Max resolution over eDP | no data | 3840x2400 @ 120Hz |
| Max resolution over DisplayPort | no data | 7680 x 4320 @ 60Hz |
Graphics API support
APIs supported by Core i9-12900F and Core Ultra 7 255HX integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12 |
| OpenGL | no data | 4.5 |
Peripherals
Specifications and connection of peripherals supported by Core i9-12900F and Core Ultra 7 255HX.
| PCIe version | 5.0 and 4.0 | 5.0 and 4.0 |
| PCI Express lanes | 20 | 24 |
Pros & cons summary
| Recency | 4 January 2022 | 1 January 2025 |
| Physical cores | 16 | 20 |
| Threads | 24 | 20 |
| Power consumption (TDP) | 65 Watt | 55 Watt |
i9-12900F has 20% more threads.
Ultra 7 255HX, on the other hand, has an age advantage of 2 years, 25% more physical cores, and 18.2% lower power consumption.
We couldn't decide between Core i9-12900F and Core Ultra 7 255HX. We've got no test results to judge.
Note that Core i9-12900F is a desktop processor while Core Ultra 7 255HX is a notebook one.
Should you still have questions on choice between Core i9-12900F and Core Ultra 7 255HX, ask them in Comments section, and we shall answer.
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