Ultra 5 245KF vs FX-4120
Primary details
Comparing FX-4120 and Core Ultra 5 245KF processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 176 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 82.60 |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | no data | 20.96 |
| Architecture codename | Zambezi (2011−2012) | Arrow Lake-S (2024−2025) |
| Release date | 23 October 2012 (12 years ago) | 24 October 2024 (less than a year ago) |
| Launch price (MSRP) | no data | $294 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
FX-4120 and Core Ultra 5 245KF 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 | 4 (Quad-Core) | 14 (Tetradeca-Core) |
| Performance-cores | no data | 6 |
| Efficient-cores | no data | 8 |
| Threads | 4 | 14 |
| Base clock speed | 3.9 GHz | 4.2 GHz |
| Boost clock speed | 4.1 GHz | 5.2 GHz |
| L1 cache | 192 KB | 112 KB (per core) |
| L2 cache | 4 MB | 3 MB (per core) |
| L3 cache | 8 MB (shared) | 24 MB (shared) |
| Chip lithography | 32 nm | 3 nm |
| Die size | 315 mm2 | 243 mm2 |
| Number of transistors | 1,200 million | 17,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | + | - |
Compatibility
Information on FX-4120 and Core Ultra 5 245KF 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 | AM3+ | FCLGA1851 |
| Power consumption (TDP) | 95 Watt | 125 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by FX-4120 and Core Ultra 5 245KF. 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 | + |
| Turbo Boost Technology | no data | 2.0 |
| TSX | - | + |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| Deep Learning Boost | - | + |
| Supported AI Software Frameworks | - | OpenVINO™, WindowsML, DirectML, ONNX RT, WebNN |
Security technologies
FX-4120 and Core Ultra 5 245KF 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 FX-4120 and Core Ultra 5 245KF 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 FX-4120 and Core Ultra 5 245KF. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR5-6400 |
| Maximum memory size | no data | 192 GB |
| Max memory channels | no data | 2 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | N/A |
Peripherals
Specifications and connection of peripherals supported by FX-4120 and Core Ultra 5 245KF.
| PCIe version | 2.0 | 5.0 and 4.0 |
| PCI Express lanes | no data | 20 |
Pros & cons summary
| Recency | 23 October 2012 | 24 October 2024 |
| Physical cores | 4 | 14 |
| Threads | 4 | 14 |
| Chip lithography | 32 nm | 3 nm |
| Power consumption (TDP) | 95 Watt | 125 Watt |
FX-4120 has 31.6% lower power consumption.
Ultra 5 245KF, on the other hand, has an age advantage of 12 years, 250% more physical cores and 250% more threads, and a 966.7% more advanced lithography process.
We couldn't decide between FX-4120 and Core Ultra 5 245KF. We've got no test results to judge.
Should you still have questions on choice between FX-4120 and Core Ultra 5 245KF, ask them in Comments section, and we shall answer.
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