EPYC Embedded 3251 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 | 151 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Series | no data | AMD EPYC Embedded |
| Power efficiency | 26.18 | no data |
| Designer | Intel | AMD |
| Manufacturer | TSMC | no data |
| Architecture codename | Arrow Lake-HX Refresh (2026) | Zen (2017−2020) |
| Release date | 17 March 2026 (less than a year ago) | 21 February 2018 (8 years ago) |
| Launch price (MSRP) | no data | $315 |
Detailed specifications
Basic parameters of Core Ultra 9 290HX Plus and EPYC Embedded 3251: 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) | 8 (Octa-Core) |
| Performance-cores | 8 | no data |
| Efficient-cores | 16 | no data |
| Threads | 24 | 16 |
| Base clock speed | 2.7 GHz | 2.5 GHz |
| Boost clock speed | 5.5 GHz | 3.1 GHz |
| Multiplier | no data | 25 |
| L1 cache | 192 KB (per core) | 96K (per core) |
| L2 cache | 3 MB (per core) | 512K (per core) |
| L3 cache | 36 MB (shared) | 16 MB (shared) |
| Chip lithography | 3 nm | 14 nm |
| Die size | 243 mm2 | 192 mm2 |
| Number of transistors | 17,800 million | 4,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | - |
| Unlocked multiplier | + | + |
Compatibility
Information on Core Ultra 9 290HX Plus and EPYC Embedded 3251 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 (Uniprocessor) |
| Socket | FCBGA2114 | TR4 |
| Power consumption (TDP) | 55 Watt | 50 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core Ultra 9 290HX Plus and EPYC Embedded 3251. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | no data |
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Speed Shift | + | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | - | no data |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Turbo Boost Max 3.0 | + | no data |
| Deep Learning Boost | + | - |
| Supported AI Software Frameworks | OpenVINO™, WindowsML, DirectML, ONNX RT, WebNN | - |
Security technologies
Core Ultra 9 290HX Plus and EPYC Embedded 3251 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core Ultra 9 290HX Plus and EPYC Embedded 3251 are enumerated here.
| AMD-V | - | + |
| VT-d | + | no data |
| VT-x | + | no data |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core Ultra 9 290HX Plus and EPYC Embedded 3251. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5-6400 | DDR4 Eight-channel |
| Maximum memory size | 256 GB | 512 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | no data | 42.671 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel® Graphics | no data |
| Quick Sync Video | + | - |
| Graphics max frequency | 2 GHz | no data |
Graphics interfaces
Available interfaces and connections of Core Ultra 9 290HX Plus and EPYC Embedded 3251 integrated GPUs.
| Number of displays supported | 4 | no data |
Graphics image quality
Maximum display resolutions supported by Core Ultra 9 290HX Plus and EPYC Embedded 3251 integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | 4096 x 2304 @ 60Hz (HDMI 2.1 TMDS)7680 x 4320 @ 60Hz (HDMI 2.1 FRL) | no data |
| Max resolution over eDP | 3840 x 2400 @ 120Hz | no data |
| Max resolution over DisplayPort | 7680 x 4320 @ 60Hz | no data |
Graphics API support
APIs supported by Core Ultra 9 290HX Plus and EPYC Embedded 3251 integrated GPUs, sometimes API versions are included.
| DirectX | 12 | no data |
| OpenGL | 4.5 | no data |
Peripherals
Specifications and connection of peripherals supported by Core Ultra 9 290HX Plus and EPYC Embedded 3251.
| PCIe version | 5.0 and 4.0 | no data |
| PCI Express lanes | 24 | no data |
Pros & cons summary
| Recency | 17 March 2026 | 21 February 2018 |
| Physical cores | 24 | 8 |
| Threads | 24 | 16 |
| Chip lithography | 3 nm | 14 nm |
| Power consumption (TDP) | 55 Watt | 50 Watt |
Ultra 9 290HX Plus has an age advantage of 8 years, 200% more physical cores and 50% more threads, and a 367% more advanced lithography process.
EPYC Embedded 3251, on the other hand, has 10% lower power consumption.
We couldn't decide between Intel Core Ultra 9 290HX Plus and AMD EPYC Embedded 3251. We've got no test results to judge.
Be aware that Core Ultra 9 290HX Plus is a notebook processor while EPYC Embedded 3251 is a server/workstation one.
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