Ultra 9 285 vs i5-8650K
Primary details
Comparing Core i5-8650K and Core Ultra 9 285 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 |
| Series | Intel Core i5 | no data |
| Architecture codename | Coffee Lake (2017−2019) | Arrow Lake-S (2024−2025) |
| Release date | 1 September 2018 (6 years ago) | January 2025 |
Detailed specifications
Core i5-8650K and Core Ultra 9 285 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 | 6 (Hexa-Core) | 24 (Tetracosa-Core) |
| Threads | 6 | 24 |
| Base clock speed | 3.7 GHz | 2.5 GHz |
| Boost clock speed | 4.5 GHz | 5.6 GHz |
| Bus type | DMI 3.0 | no data |
| Bus rate | 4 × 8 GT/s | no data |
| L1 cache | 384 KB | 112 KB (per core) |
| L2 cache | 1.5 MB | 3 MB (per core) |
| L3 cache | 9 MB (shared) | 36 MB (shared) |
| Chip lithography | 14 nm | 3 nm |
| Die size | 126 mm2 | 243 mm2 |
| Maximum case temperature (TCase) | 72 °C | no data |
| Number of transistors | no data | 17,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | + | - |
Compatibility
Information on Core i5-8650K and Core Ultra 9 285 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 | 1151 | 1851 |
| Power consumption (TDP) | 95 Watt | 125 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i5-8650K and Core Ultra 9 285. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
| TSX | - | + |
Security technologies
Core i5-8650K and Core Ultra 9 285 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i5-8650K and Core Ultra 9 285 are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i5-8650K and Core Ultra 9 285. 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 | 42.671 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel UHD Graphics 630 | Arc Xe2 Graphics 64EU |
Peripherals
Specifications and connection of peripherals supported by Core i5-8650K and Core Ultra 9 285.
| PCIe version | 3.0 | 5.0 |
| PCI Express lanes | no data | 20 |
Pros & cons summary
| Physical cores | 6 | 24 |
| Threads | 6 | 24 |
| Chip lithography | 14 nm | 3 nm |
| Power consumption (TDP) | 95 Watt | 125 Watt |
i5-8650K has 31.6% lower power consumption.
Ultra 9 285, on the other hand, has 300% more physical cores and 300% more threads, and a 366.7% more advanced lithography process.
We couldn't decide between Core i5-8650K and Core Ultra 9 285. We've got no test results to judge.
Should you still have questions on choice between Core i5-8650K and Core Ultra 9 285, ask them in Comments section, and we shall answer.
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