Ultra 9 285T vs Athlon 300U
Primary details
Comparing Athlon 300U and Core Ultra 9 285T processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1756 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | AMD Athlon | no data |
| Power efficiency | 15.36 | no data |
| Architecture codename | Raven Ridge 2 (2019) | Arrow Lake-S (2024−2025) |
| Release date | 6 January 2019 (5 years ago) | January 2025 |
Detailed specifications
Athlon 300U 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 | 2 (Dual-core) | 24 (Tetracosa-Core) |
| Threads | 4 | 24 |
| Base clock speed | 2.4 GHz | 1.4 GHz |
| Boost clock speed | 3.3 GHz | 5.4 GHz |
| Bus type | PCIe 3.0 | no data |
| Multiplier | 24 | no data |
| L1 cache | 192 KB | 112 KB (per core) |
| L2 cache | 1 MB | 3 MB (per core) |
| L3 cache | 4 MB (shared) | 36 MB (shared) |
| Chip lithography | 14 nm | 3 nm |
| Die size | 209.78 mm2 | 243 mm2 |
| Number of transistors | 4940 Million | 17,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
Compatibility
Information on Athlon 300U 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 (Uniprocessor) | 1 |
| Socket | FP5 | 1851 |
| Power consumption (TDP) | 15 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon 300U and Core Ultra 9 285T. You'll probably need this information if you require some particular technology.
| Instruction set extensions | XFR, FMA3, SSE 4.2, AVX2, SMT | no data |
| AES-NI | + | + |
| AVX | + | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
| TSX | - | + |
Security technologies
Athlon 300U 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 Athlon 300U 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 Athlon 300U and Core Ultra 9 285T. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 Dual-channel | DDR5 Depends on motherboard |
| Maximum memory size | 64 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 38.397 GB/s | no data |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon RX Vega 3 | Arc Xe2 Graphics 64EU |
Peripherals
Specifications and connection of peripherals supported by Athlon 300U and Core Ultra 9 285T.
| PCIe version | 3.0 | 5.0 |
| PCI Express lanes | 12 | 20 |
Pros & cons summary
| Physical cores | 2 | 24 |
| Threads | 4 | 24 |
| Chip lithography | 14 nm | 3 nm |
| Power consumption (TDP) | 15 Watt | 35 Watt |
Athlon 300U has 133.3% lower power consumption.
Ultra 9 285T, on the other hand, has 1100% more physical cores and 500% more threads, and a 366.7% more advanced lithography process.
We couldn't decide between Athlon 300U and Core Ultra 9 285T. We've got no test results to judge.
Be aware that Athlon 300U is a notebook processor while Core Ultra 9 285T is a desktop one.
Should you still have questions on choice between Athlon 300U and Core Ultra 9 285T, ask them in Comments section, and we shall answer.
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