Ultra 9 185H vs Xeon Silver 4309Y
Aggregate performance score
Core Ultra 9 185H outperforms Xeon Silver 4309Y by an impressive 53% based on our aggregate benchmark results.
Primary details
Comparing Xeon Silver 4309Y and Core Ultra 9 185H processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 642 | 324 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Laptop |
| Series | no data | Intel Meteor Lake-H |
| Power efficiency | 10.91 | 38.95 |
| Architecture codename | Ice Lake-SP (2021) | Meteor Lake-H (2023) |
| Release date | 6 April 2021 (3 years ago) | 14 December 2023 (1 year ago) |
| Launch price (MSRP) | no data | $640 |
Detailed specifications
Xeon Silver 4309Y 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 | 8 (Octa-Core) | 16 (Hexadeca-Core) |
| Threads | 16 | 22 |
| Base clock speed | 2.8 GHz | 3.9 GHz |
| Boost clock speed | 3.6 GHz | 5.1 GHz |
| L1 cache | 64K (per core) | 112 KB (per core) |
| L2 cache | 1 MB (per core) | 2 MB (per core) |
| L3 cache | 12 MB (shared) | 24 MB (shared) |
| Chip lithography | 10 nm | 7 nm |
| Maximum core temperature | no data | 110 °C |
| Maximum case temperature (TCase) | 76 °C | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
Compatibility
Information on Xeon Silver 4309Y 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 | 2 | 1 |
| Socket | FCLGA4189 | Intel BGA 2049 |
| Power consumption (TDP) | 105 Watt | 45 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon Silver 4309Y 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 | + | + |
| Deep Learning Boost | + | - |
Security technologies
Xeon Silver 4309Y and Core Ultra 9 185H technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | no data |
| SGX | Yes with Intel® SPS | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon Silver 4309Y 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 Silver 4309Y and Core Ultra 9 185H. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2667 | DDR5 |
| Maximum memory size | 6 TB | no data |
| Max memory channels | 8 | 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 Silver 4309Y and Core Ultra 9 185H.
| PCIe version | 4.0 | 5.0 |
| PCI Express lanes | 64 | 8 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Pros & cons summary
| Performance score | 12.11 | 18.52 |
| Recency | 6 April 2021 | 14 December 2023 |
| Physical cores | 8 | 16 |
| Threads | 16 | 22 |
| Chip lithography | 10 nm | 7 nm |
| Power consumption (TDP) | 105 Watt | 45 Watt |
Ultra 9 185H has a 52.9% higher aggregate performance score, an age advantage of 2 years, 100% more physical cores and 37.5% more threads, a 42.9% more advanced lithography process, and 133.3% lower power consumption.
The Core Ultra 9 185H is our recommended choice as it beats the Xeon Silver 4309Y in performance tests.
Be aware that Xeon Silver 4309Y is a server/workstation processor while Core Ultra 9 185H is a notebook one.
Should you still have questions on choice between Xeon Silver 4309Y and Core Ultra 9 185H, ask them in Comments section, and we shall answer.
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