Ultra 9 285T vs Celeron 2981U
Primary details
Comparing Celeron 2981U and Core Ultra 9 285T processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2745 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | Intel Celeron | no data |
| Power efficiency | 4.09 | no data |
| Architecture codename | Haswell (2013−2015) | Arrow Lake-S (2024−2025) |
| Release date | 1 January 2014 (10 years ago) | January 2025 |
Detailed specifications
Celeron 2981U 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 | 2 | 24 |
| Base clock speed | 1.6 GHz | 1.4 GHz |
| Boost clock speed | 1.6 GHz | 5.4 GHz |
| Bus rate | 5 GT/s | no data |
| L1 cache | 128 KB | 112 KB (per core) |
| L2 cache | 512 KB | 3 MB (per core) |
| L3 cache | 2 MB | 36 MB (shared) |
| Chip lithography | 22 nm | 3 nm |
| Die size | no data | 243 mm2 |
| Maximum core temperature | 100 °C | no data |
| Number of transistors | no data | 17,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Celeron 2981U 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 | FCBGA1168 | 1851 |
| Power consumption (TDP) | 15 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Celeron 2981U and Core Ultra 9 285T. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2 | no data |
| AES-NI | - | + |
| AVX | - | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| TSX | - | + |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Smart Response | - | no data |
| GPIO | + | no data |
| Smart Connect | + | no data |
| FDI | - | no data |
| AMT | 9.5 | no data |
| Matrix Storage | - | no data |
| HD Audio | + | no data |
| RST | + | no data |
Security technologies
Celeron 2981U and Core Ultra 9 285T technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | + |
| EDB | + | no data |
| Secure Key | + | no data |
| OS Guard | - | no data |
| Anti-Theft | - | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Celeron 2981U and Core Ultra 9 285T are enumerated here.
| AMD-V | + | - |
| VT-d | - | + |
| VT-x | + | + |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Celeron 2981U and Core Ultra 9 285T. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR5 Depends on motherboard |
| Maximum memory size | 16 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 25.6 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel® HD Graphics for 4th Generation Intel® Processors | Arc Xe2 Graphics 64EU |
| Quick Sync Video | + | - |
| Clear Video | + | no data |
| Graphics max frequency | 1 GHz | no data |
Graphics interfaces
Available interfaces and connections of Celeron 2981U and Core Ultra 9 285T integrated GPUs.
| Number of displays supported | 3 | no data |
| eDP | + | no data |
| DisplayPort | + | - |
| HDMI | + | - |
Peripherals
Specifications and connection of peripherals supported by Celeron 2981U and Core Ultra 9 285T.
| PCIe version | 2.0 | 5.0 |
| PCI Express lanes | 12 | 20 |
| PCI support | - | no data |
| USB revision | 3.0 | no data |
| Total number of SATA ports | 2 | no data |
| Max number of SATA 6 Gb/s Ports | 2 | no data |
| Integrated IDE | - | no data |
| Number of USB ports | 4 | no data |
| Integrated LAN | - | no data |
| UART | + | no data |
Pros & cons summary
| Physical cores | 2 | 24 |
| Threads | 2 | 24 |
| Chip lithography | 22 nm | 3 nm |
| Power consumption (TDP) | 15 Watt | 35 Watt |
Celeron 2981U has 133.3% lower power consumption.
Ultra 9 285T, on the other hand, has 1100% more physical cores and 1100% more threads, and a 633.3% more advanced lithography process.
We couldn't decide between Celeron 2981U and Core Ultra 9 285T. We've got no test results to judge.
Be aware that Celeron 2981U is a notebook processor while Core Ultra 9 285T is a desktop one.
Should you still have questions on choice between Celeron 2981U and Core Ultra 9 285T, ask them in Comments section, and we shall answer.
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