Ultra 9 285 vs i5-11600K
Primary details
Comparing Core i5-11600K and Core Ultra 9 285 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 630 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | 9.29 | no data |
| Architecture codename | Rocket Lake (2021) | Arrow Lake-S (2024−2025) |
| Release date | 16 March 2021 (3 years ago) | January 2025 |
Detailed specifications
Core i5-11600K 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 | 12 | 24 |
| Base clock speed | 3.9 GHz | 2.5 GHz |
| Boost clock speed | 4.9 GHz | 5.6 GHz |
| Bus rate | 8 GT/s | no data |
| L1 cache | 64K (per core) | 112 KB (per core) |
| L2 cache | 256K (per core) | 3 MB (per core) |
| L3 cache | 12 MB (shared) | 36 MB (shared) |
| Chip lithography | 14 nm | 3 nm |
| Die size | no data | 243 mm2 |
| Maximum core temperature | 100 °C | no data |
| 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 i5-11600K 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 | 1 |
| Socket | FCLGA1200 | 1851 |
| Power consumption (TDP) | 125 Watt | 125 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i5-11600K and Core Ultra 9 285. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512 | no data |
| AES-NI | + | + |
| FMA | + | - |
| AVX | + | + |
| vPro | + | + |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| TSX | + | + |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| SIPP | + | - |
| Turbo Boost Max 3.0 | - | no data |
| Deep Learning Boost | + | - |
Security technologies
Core i5-11600K and Core Ultra 9 285 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | no data |
| Secure Key | + | no data |
| Identity Protection | + | - |
| SGX | - | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i5-11600K and Core Ultra 9 285 are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i5-11600K and Core Ultra 9 285. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR5 Depends on motherboard |
| Maximum memory size | 128 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 50 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel UHD Graphics 750 | Arc Xe2 Graphics 64EU |
| Max video memory | 64 GB | no data |
| Quick Sync Video | + | - |
| Clear Video | + | no data |
| Clear Video HD | + | no data |
| Graphics max frequency | 1.3 GHz | no data |
| Execution Units | 32 | no data |
| InTru 3D | + | no data |
Graphics interfaces
Available interfaces and connections of Core i5-11600K and Core Ultra 9 285 integrated GPUs.
| Number of displays supported | 3 | no data |
Graphics image quality
Maximum display resolutions supported by Core i5-11600K and Core Ultra 9 285 integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | + | no data |
| Max resolution over HDMI 1.4 | 4096x2160@60Hz | no data |
| Max resolution over eDP | 5120 x 3200 @60Hz | no data |
| Max resolution over DisplayPort | 5120 x 3200 @60Hz | no data |
Graphics API support
APIs supported by Core i5-11600K and Core Ultra 9 285 integrated GPUs, sometimes API versions are included.
| DirectX | 12.1 | no data |
| OpenGL | 4.5 | no data |
Peripherals
Specifications and connection of peripherals supported by Core i5-11600K and Core Ultra 9 285.
| PCIe version | 4.0 | 5.0 |
| PCI Express lanes | 20 | 20 |
Pros & cons summary
| Physical cores | 6 | 24 |
| Threads | 12 | 24 |
| Chip lithography | 14 nm | 3 nm |
Ultra 9 285 has 300% more physical cores and 100% more threads, and a 366.7% more advanced lithography process.
We couldn't decide between Core i5-11600K and Core Ultra 9 285. We've got no test results to judge.
Should you still have questions on choice between Core i5-11600K and Core Ultra 9 285, 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.
