Ultra 9 285T vs FX-4100
Primary details
Comparing FX-4100 and Core Ultra 9 285T processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2081 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | 1.64 | no data |
| Architecture codename | Zambezi (2011−2012) | Arrow Lake-S (2024−2025) |
| Release date | 12 October 2011 (13 years ago) | January 2025 |
Detailed specifications
FX-4100 and Core Ultra 9 285T 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) | 24 (Tetracosa-Core) |
| Threads | 4 | 24 |
| Base clock speed | 3.6 GHz | 1.4 GHz |
| Boost clock speed | 3.8 GHz | 5.4 GHz |
| L1 cache | 192 KB | 112 KB (per core) |
| L2 cache | 4096 KB | 3 MB (per core) |
| L3 cache | 8192 KB | 36 MB (shared) |
| Chip lithography | 32 nm | 3 nm |
| Die size | 315 mm2 | 243 mm2 |
| Maximum core temperature | 71 °C | no data |
| Number of transistors | 1,200 million | 17,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | + | - |
| P0 Vcore voltage | Min: 1.1 V - Max: 1.4125 V | no data |
Compatibility
Information on FX-4100 and Core Ultra 9 285T 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+ | 1851 |
| Power consumption (TDP) | 95 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by FX-4100 and Core Ultra 9 285T. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| FMA | + | - |
| AVX | + | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
| TSX | - | + |
Security technologies
FX-4100 and Core Ultra 9 285T technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by FX-4100 and Core Ultra 9 285T are enumerated here.
| AMD-V | + | - |
| VT-d | no data | + |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by FX-4100 and Core Ultra 9 285T. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR5 Depends on motherboard |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Arc Xe2 Graphics 64EU |
Peripherals
Specifications and connection of peripherals supported by FX-4100 and Core Ultra 9 285T.
| PCIe version | n/a | 5.0 |
| PCI Express lanes | no data | 20 |
Pros & cons summary
| Physical cores | 4 | 24 |
| Threads | 4 | 24 |
| Chip lithography | 32 nm | 3 nm |
| Power consumption (TDP) | 95 Watt | 35 Watt |
Ultra 9 285T has 500% more physical cores and 500% more threads, a 966.7% more advanced lithography process, and 171.4% lower power consumption.
We couldn't decide between FX-4100 and Core Ultra 9 285T. We've got no test results to judge.
Should you still have questions on choice between FX-4100 and Core Ultra 9 285T, 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.
