Pentium 8505 vs Ultra 9 290HX Plus
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 18 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | no data | Intel Alder Lake-M |
| Designer | Intel | Intel |
| Manufacturer | TSMC | Intel |
| Architecture codename | Arrow Lake-HX Refresh (2026) | Alder Lake-U (2022) |
| Release date | 17 March 2026 (recently) | 23 February 2022 (4 years ago) |
Detailed specifications
Core Ultra 9 290HX Plus and Pentium 8505 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 | 24 (Tetracosa-Core) | 5 (Penta-Core) |
| Performance-cores | no data | 1 |
| Efficient-cores | no data | 4 |
| Threads | 24 | 6 |
| Base clock speed | 2.7 GHz | 1.2 GHz |
| Boost clock speed | 5.5 GHz | 4.4 GHz |
| L1 cache | 192 KB (per core) | 80K (per core) |
| L2 cache | 3 MB (per core) | 1.25 MB (per core) |
| L3 cache | 36 MB (shared) | 8 MB (shared) |
| Chip lithography | 3 nm | Intel 7 nm |
| Die size | 243 mm2 | no data |
| Maximum core temperature | no data | 100 °C |
| Number of transistors | 17,800 million | no data |
| 64 bit support | + | + |
| Unlocked multiplier | + | - |
Compatibility
Information on Core Ultra 9 290HX Plus and Pentium 8505 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 | Intel BGA 2114 | Intel BGA 1744 |
| Power consumption (TDP) | 55 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core Ultra 9 290HX Plus and Pentium 8505. 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 | + | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | no data | + |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Thermal Monitoring | - | + |
| Flex Memory Access | no data | + |
| Deep Learning Boost | - | + |
Security technologies
Core Ultra 9 290HX Plus and Pentium 8505 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| Secure Key | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core Ultra 9 290HX Plus and Pentium 8505 are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core Ultra 9 290HX Plus and Pentium 8505. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR4, DDR5 |
| Maximum memory size | no data | 64 GB |
| Max memory channels | no data | 2 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Arc Xe-LPG Graphics 64EU | Intel UHD Graphics for 12th Gen Intel Processors |
| Quick Sync Video | - | + |
| Graphics max frequency | no data | 1.1 GHz |
| Execution Units | no data | 48 |
Graphics interfaces
Available interfaces and connections of Core Ultra 9 290HX Plus and Pentium 8505 integrated GPUs.
| Number of displays supported | no data | 4 |
Graphics image quality
Maximum display resolutions supported by Core Ultra 9 290HX Plus and Pentium 8505 integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | no data | 4096 x 2304 @ 60Hz |
| Max resolution over eDP | no data | 4096 x 2304 @ 120Hz |
| Max resolution over DisplayPort | no data | 7680 x 4320 @ 60Hz |
Graphics API support
APIs supported by Core Ultra 9 290HX Plus and Pentium 8505 integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12.1 |
| OpenGL | no data | 4.6 |
Peripherals
Specifications and connection of peripherals supported by Core Ultra 9 290HX Plus and Pentium 8505.
| PCIe version | 5.0 | 4.0 |
| PCI Express lanes | 24 | 20 |
Pros & cons summary
| Recency | 17 March 2026 | 23 February 2022 |
| Physical cores | 24 | 5 |
| Threads | 24 | 6 |
| Power consumption (TDP) | 55 Watt | 15 Watt |
Ultra 9 290HX Plus has an age advantage of 4 years, and 380% more physical cores and 300% more threads.
Pentium 8505, on the other hand, has 266.7% lower power consumption.
We couldn't decide between Intel Core Ultra 9 290HX Plus and Intel Pentium 8505. We've got no test results to judge.
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