Ultra 7 265K vs Xeon Platinum 8558
Primary details
Comparing Xeon Platinum 8558 and Core Ultra 7 265K processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 86 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 94.42 |
| Market segment | Server | Desktop processor |
| Power efficiency | no data | 28.14 |
| Architecture codename | Emerald Rapids (2023) | Arrow Lake-S (2024−2025) |
| Release date | 14 December 2023 (1 year ago) | 24 October 2024 (less than a year ago) |
| Launch price (MSRP) | $4,650 | $394 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Xeon Platinum 8558 and Core Ultra 7 265K 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 | 48 (Octatetraconta-Core) | 20 (Icosa-Core) |
| Performance-cores | no data | 8 |
| Efficient-cores | no data | 12 |
| Threads | 96 | 20 |
| Base clock speed | 2.1 GHz | 3.9 GHz |
| Boost clock speed | 4 GHz | 5.5 GHz |
| L1 cache | 80 KB (per core) | 112 KB (per core) |
| L2 cache | 2 MB (per core) | 3 MB (per core) |
| L3 cache | 260 MB (shared) | 30 MB (shared) |
| Chip lithography | Intel 7 nm | 3 nm |
| Die size | 2x 763 mm2 | 243 mm2 |
| Maximum case temperature (TCase) | 78 °C | no data |
| Number of transistors | no data | 17,800 million |
| 64 bit support | + | + |
| Unlocked multiplier | - | + |
Compatibility
Information on Xeon Platinum 8558 and Core Ultra 7 265K 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 | FCLGA4677 | FCLGA1851 |
| Power consumption (TDP) | 330 Watt | 125 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon Platinum 8558 and Core Ultra 7 265K. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | + | + |
| AVX | + | + |
| vPro | + | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | + | + |
| Turbo Boost Technology | 2.0 | 2.0 |
| Hyper-Threading Technology | + | no data |
| TSX | + | + |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| SIPP | - | + |
| Turbo Boost Max 3.0 | no data | + |
| Deep Learning Boost | + | + |
| Supported AI Software Frameworks | - | OpenVINO™, WindowsML, DirectML, ONNX RT, WebNN |
Security technologies
Xeon Platinum 8558 and Core Ultra 7 265K technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| Secure Key | no data | + |
| SGX | Yes with Intel® SPS | no data |
| OS Guard | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon Platinum 8558 and Core Ultra 7 265K are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon Platinum 8558 and Core Ultra 7 265K. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 @ 5200 MT/s (1 DPC) | DDR5-6400 |
| Maximum memory size | 4 TB | 192 GB |
| Max memory channels | 8 | 2 |
| ECC memory support | + | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | Intel® Graphics |
| Quick Sync Video | - | + |
| Graphics max frequency | no data | 2 GHz |
Graphics interfaces
Available interfaces and connections of Xeon Platinum 8558 and Core Ultra 7 265K integrated GPUs.
| Number of displays supported | no data | 4 |
Graphics image quality
Maximum display resolutions supported by Xeon Platinum 8558 and Core Ultra 7 265K integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | no data | 4K @ 60Hz (HDMI 2.1 TMDS) 8K @ 60Hz (HDMI2.1 FRL) |
| Max resolution over eDP | no data | 4K @ 60Hz |
| Max resolution over DisplayPort | no data | 8K @ 60Hz |
Graphics API support
APIs supported by Xeon Platinum 8558 and Core Ultra 7 265K integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12 |
| OpenGL | no data | 4.5 |
Peripherals
Specifications and connection of peripherals supported by Xeon Platinum 8558 and Core Ultra 7 265K.
| PCIe version | 5.0 | 5.0 and 4.0 |
| PCI Express lanes | 80 | 20 |
Pros & cons summary
| Recency | 14 December 2023 | 24 October 2024 |
| Physical cores | 48 | 20 |
| Threads | 96 | 20 |
| Power consumption (TDP) | 330 Watt | 125 Watt |
Xeon Platinum 8558 has 140% more physical cores and 380% more threads.
Ultra 7 265K, on the other hand, has an age advantage of 10 months, and 164% lower power consumption.
We couldn't decide between Xeon Platinum 8558 and Core Ultra 7 265K. We've got no test results to judge.
Be aware that Xeon Platinum 8558 is a server/workstation processor while Core Ultra 7 265K is a desktop one.
Should you still have questions on choice between Xeon Platinum 8558 and Core Ultra 7 265K, ask them in Comments section, and we shall answer.
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