Ultra 9 185H vs Pentium III 1266S
Primary details
Comparing Pentium III 1266S and Core Ultra 9 185H processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 316 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | no data | Intel Meteor Lake-H |
| Power efficiency | no data | 38.93 |
| Architecture codename | Tualatin (2000−2002) | Meteor Lake-H (2023) |
| Release date | July 2001 (23 years ago) | 14 December 2023 (less than a year ago) |
| Launch price (MSRP) | no data | $640 |
Detailed specifications
Pentium III 1266S 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 | 1 (Single-Core) | 16 (Hexadeca-Core) |
| Threads | 1 | 22 |
| Base clock speed | no data | 3.9 GHz |
| Boost clock speed | 1.27 GHz | 5.1 GHz |
| L1 cache | 8 KB | 112 KB (per core) |
| L2 cache | 512 KB | 2 MB (per core) |
| L3 cache | 0 KB | 24 MB (shared) |
| Chip lithography | 130 nm | Intel 4 nm |
| Die size | 80 mm2 | no data |
| Maximum core temperature | no data | 110 °C |
| Maximum case temperature (TCase) | 69 °C | no data |
| Number of transistors | 44 million | no data |
| 64 bit support | - | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Pentium III 1266S 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 | 1 | 1 |
| Socket | 370 | FCBGA2049 |
| Power consumption (TDP) | 30 Watt | 45 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium III 1266S and Core Ultra 9 185H. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | - | + |
| AVX | - | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | no data | + |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Thermal Monitoring | - | + |
| Flex Memory Access | no data | + |
| SIPP | - | + |
| Turbo Boost Max 3.0 | no data | + |
| Deep Learning Boost | - | + |
| Supported AI Software Frameworks | - | OpenVINO™, WindowsML, ONNX RT |
Security technologies
Pentium III 1266S and Core Ultra 9 185H technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| Secure Key | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium III 1266S and Core Ultra 9 185H are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium III 1266S and Core Ultra 9 185H. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR5 |
| Maximum memory size | no data | 96 GB |
| Max memory channels | no data | 2 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel® Arc™ graphics |
| Quick Sync Video | - | + |
| Graphics max frequency | no data | 2.35 GHz |
Graphics interfaces
Available interfaces and connections of Pentium III 1266S and Core Ultra 9 185H integrated GPUs.
| Number of displays supported | no data | 4 |
Graphics image quality
Maximum display resolutions supported by Pentium III 1266S and Core Ultra 9 185H integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | no data | 4096 x 2304 @ 60Hz (HDMI 2.1 TMDS) 7680 x 4320 @ 60Hz (HDMI2.1 FRL) |
| Max resolution over eDP | no data | 3840x2400 @ 120Hz |
| Max resolution over DisplayPort | no data | 7680 x 4320 @ 60Hz |
Graphics API support
APIs supported by Pentium III 1266S and Core Ultra 9 185H integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12.2 |
| OpenGL | no data | 4.6 |
Peripherals
Specifications and connection of peripherals supported by Pentium III 1266S and Core Ultra 9 185H.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 8 |
| PCI support | no data | 5.0 and 4.0 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
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.
Pros & cons summary
| Physical cores | 1 | 16 |
| Threads | 1 | 22 |
| Power consumption (TDP) | 30 Watt | 45 Watt |
Pentium III 1266S has 50% lower power consumption.
Ultra 9 185H, on the other hand, has 1500% more physical cores and 2100% more threads.
We couldn't decide between Pentium III 1266S and Core Ultra 9 185H. We've got no test results to judge.
Note that Pentium III 1266S is a desktop processor while Core Ultra 9 185H is a notebook one.
Should you still have questions on choice between Pentium III 1266S and Core Ultra 9 185H, ask them in Comments section, and we shall answer.
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