Core Ultra 9 386H vs Core 2 Duo T5550
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3326 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Core 2 Duo | no data |
| Power efficiency | 0.45 | no data |
| Designer | Intel | Intel |
| Manufacturer | no data | Intel |
| Architecture codename | Merom (2006−2008) | Panther Lake (2026) |
| Release date | 1 January 2008 (18 years ago) | 5 January 2026 (less than a year ago) |
Detailed specifications
Core 2 Duo T5550 and Core Ultra 9 386H 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 | 2 (Dual-core) | 16 (Hexadeca-Core) |
| Performance-cores | no data | 4 |
| Efficient-cores | no data | 8 |
| Low Power Efficient-cores | no data | 4 |
| Threads | 2 | 16 |
| Base clock speed | 1.83 GHz | 2.1 GHz |
| Boost clock speed | 1.83 GHz | 4.9 GHz |
| Bus rate | 667 MHz | no data |
| L1 cache | no data | 192 KB (per core) |
| L2 cache | 2 MB | 2.5 MB (per core) |
| L3 cache | 2 MB L2 Cache | 18 MB (shared) |
| Chip lithography | 65 nm | 3 nm |
| Die size | 143 mm2 | no data |
| Maximum core temperature | 100 °C | no data |
| Number of transistors | 291 Million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| VID voltage range | 1.075V-1.25V | no data |
Compatibility
Information on Core 2 Duo T5550 and Core Ultra 9 386H 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 | no data | 1 |
| Socket | PPGA478 | FCBGA2540 |
| Power consumption (TDP) | 35 Watt | 25 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Duo T5550 and Core Ultra 9 386H. 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) | + | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | - | 2.0 |
| Hyper-Threading Technology | - | no data |
| Thermal Monitoring | - | + |
| SIPP | - | + |
| Demand Based Switching | - | no data |
| Turbo Boost Max 3.0 | no data | + |
| FSB parity | - | no data |
| Deep Learning Boost | - | + |
| Supported AI Software Frameworks | - | OpenVINO™, WindowsML, DirectML, ONNX RT, WebNN |
Security technologies
Core 2 Duo T5550 and Core Ultra 9 386H technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | + |
| EDB | + | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 2 Duo T5550 and Core Ultra 9 386H are enumerated here.
| VT-d | no data | + |
| VT-x | - | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Duo T5550 and Core Ultra 9 386H. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | LPDDR5X-8533, DDR5-7200 |
| Maximum memory size | no data | 128 GB |
| Max memory channels | no data | 2 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel® Graphics |
| Quick Sync Video | - | + |
| Graphics max frequency | no data | 2.5 GHz |
Graphics interfaces
Available interfaces and connections of Core 2 Duo T5550 and Core Ultra 9 386H integrated GPUs.
| Number of displays supported | no data | 4 |
Graphics image quality
Maximum display resolutions supported by Core 2 Duo T5550 and Core Ultra 9 386H integrated GPUs, including resolutions over different interfaces.
| Max resolution over eDP | no data | 3840 x 2400 @ 120Hz |
| Max resolution over DisplayPort | no data | 7680 x 4320 @ 60Hz |
Graphics API support
APIs supported by Core 2 Duo T5550 and Core Ultra 9 386H integrated GPUs, sometimes API versions are included.
| DirectX | no data | DirectX 12 Ultimate |
| OpenGL | no data | 4.6 |
Peripherals
Specifications and connection of peripherals supported by Core 2 Duo T5550 and Core Ultra 9 386H.
| PCIe version | no data | 5.0 and 4.0 |
| PCI Express lanes | no data | 20 |
Pros & cons summary
| Recency | 1 January 2008 | 5 January 2026 |
| Physical cores | 2 | 16 |
| Threads | 2 | 16 |
| Chip lithography | 65 nm | 3 nm |
| Power consumption (TDP) | 35 Watt | 25 Watt |
Ultra 9 386H has an age advantage of 18 years, 700% more physical cores and 700% more threads, a 2066.7% more advanced lithography process, and 40% lower power consumption.
We couldn't decide between Intel Core 2 Duo T5550 and Intel Core Ultra 9 386H. We've got no test results to judge.
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