Ultra 9 285T vs Pentium III 1000B
Primary details
Comparing Pentium III 1000B and Core Ultra 9 285T processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Architecture codename | Coppermine (1999−2001) | Arrow Lake-S (2024−2025) |
| Release date | 8 March 2000 (24 years ago) | January 2025 |
| Launch price (MSRP) | $990 | no data |
Detailed specifications
Pentium III 1000B 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 | 1 (Single-Core) | 24 (Tetracosa-Core) |
| Threads | 1 | 24 |
| Base clock speed | no data | 1.4 GHz |
| Boost clock speed | 1 GHz | 5.4 GHz |
| L1 cache | 32 KB | 112 KB (per core) |
| L2 cache | 256 KB | 3 MB (per core) |
| L3 cache | no data | 36 MB (shared) |
| Chip lithography | 180 nm | 3 nm |
| Die size | 106 mm2 | 243 mm2 |
| Maximum case temperature (TCase) | 70 °C | no data |
| Number of transistors | 28 million | 17,800 million |
| 64 bit support | - | + |
Compatibility
Information on Pentium III 1000B 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 | 2 | 1 |
| Socket | Intel Slot 1 | 1851 |
| Power consumption (TDP) | 33 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium III 1000B and Core Ultra 9 285T. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
| TSX | - | + |
Security technologies
Pentium III 1000B 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 Pentium III 1000B and Core Ultra 9 285T are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium III 1000B and Core Ultra 9 285T. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | unknown Depends on motherboard | DDR5 Depends on motherboard |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | On certain motherboards (Chipset feature) | Arc Xe2 Graphics 64EU |
Peripherals
Specifications and connection of peripherals supported by Pentium III 1000B and Core Ultra 9 285T.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 20 |
Pros & cons summary
| Physical cores | 1 | 24 |
| Threads | 1 | 24 |
| Chip lithography | 180 nm | 3 nm |
| Power consumption (TDP) | 33 Watt | 35 Watt |
Pentium III 1000B has 6.1% lower power consumption.
Ultra 9 285T, on the other hand, has 2300% more physical cores and 2300% more threads, and a 5900% more advanced lithography process.
We couldn't decide between Pentium III 1000B and Core Ultra 9 285T. We've got no test results to judge.
Should you still have questions on choice between Pentium III 1000B and Core Ultra 9 285T, ask them in Comments section, and we shall answer.
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