Ultra 9 185H vs Xeon Platinum 8158
Primary details
Comparing Xeon Platinum 8158 and Core Ultra 9 185H processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 328 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Laptop |
| Series | Intel Xeon Platinum | Intel Meteor Lake-H |
| Power efficiency | no data | 38.99 |
| Architecture codename | Skylake (server) (2017−2018) | Meteor Lake-H (2023) |
| Release date | 25 April 2017 (7 years ago) | 14 December 2023 (1 year ago) |
| Launch price (MSRP) | $7,007 | $640 |
Detailed specifications
Xeon Platinum 8158 and Core Ultra 9 185H 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 | 12 (Dodeca-Core) | 16 (Hexadeca-Core) |
| Threads | 24 | 22 |
| Base clock speed | 3 GHz | 3.9 GHz |
| Boost clock speed | 3.7 GHz | 5.1 GHz |
| Multiplier | 30 | no data |
| L1 cache | 768 KB | 112 KB (per core) |
| L2 cache | 12 MB | 2 MB (per core) |
| L3 cache | 24.75 MB | 24 MB (shared) |
| Chip lithography | 14 nm | 7 nm |
| Maximum core temperature | 85 °C | 110 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
Compatibility
Information on Xeon Platinum 8158 and Core Ultra 9 185H 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 | 8 (Multiprocessor) | 1 |
| Socket | FCLGA3647 | Intel BGA 2049 |
| Power consumption (TDP) | 150 Watt | 45 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon Platinum 8158 and Core Ultra 9 185H. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 | no data |
| AES-NI | + | + |
| AVX | + | + |
| vPro | + | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | + | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| TSX | + | + |
| Turbo Boost Max 3.0 | - | no data |
Security technologies
Xeon Platinum 8158 and Core Ultra 9 185H technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon Platinum 8158 and Core Ultra 9 185H are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon Platinum 8158 and Core Ultra 9 185H. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2666 | DDR5 |
| Maximum memory size | 768 GB | no data |
| Max memory channels | 6 | no data |
| Maximum memory bandwidth | 128.001 GB/s | no data |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel Arc 8-Cores iGPU ( - 2350 MHz) |
Peripherals
Specifications and connection of peripherals supported by Xeon Platinum 8158 and Core Ultra 9 185H.
| PCIe version | 3.0 | 5.0 |
| PCI Express lanes | 48 | 8 |
Pros & cons summary
| Recency | 25 April 2017 | 14 December 2023 |
| Physical cores | 12 | 16 |
| Threads | 24 | 22 |
| Chip lithography | 14 nm | 7 nm |
| Power consumption (TDP) | 150 Watt | 45 Watt |
Xeon Platinum 8158 has 9.1% more threads.
Ultra 9 185H, on the other hand, has an age advantage of 6 years, 33.3% more physical cores, a 100% more advanced lithography process, and 233.3% lower power consumption.
We couldn't decide between Xeon Platinum 8158 and Core Ultra 9 185H. We've got no test results to judge.
Be aware that Xeon Platinum 8158 is a server/workstation processor while Core Ultra 9 185H is a notebook one.
Should you still have questions on choice between Xeon Platinum 8158 and Core Ultra 9 185H, ask them in Comments section, and we shall answer.
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