Ultra 7 255HX vs Xeon w7-3545
Primary details
Comparing Xeon w7-3545 and Core Ultra 7 255HX processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Laptop |
| Architecture codename | Sapphire Rapids (2023−2024) | no data |
| Release date | 24 August 2023 (1 year ago) | 1 January 2025 (less than a year ago) |
| Launch price (MSRP) | $2,039 | no data |
Detailed specifications
Xeon w7-3545 and Core Ultra 7 255HX 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) | 20 (Icosa-Core) |
| Performance-cores | 24 | 8 |
| Efficient-cores | no data | 12 |
| Threads | 48 | 20 |
| Base clock speed | 2.7 GHz | no data |
| Boost clock speed | 4.8 GHz | 5.2 GHz |
| L1 cache | 80 KB (per core) | no data |
| L2 cache | 2 MB (per core) | no data |
| L3 cache | 67.5 MB | 30 MB |
| Chip lithography | Intel 7 nm | no data |
| Die size | 4x 477 mm2 | no data |
| Maximum case temperature (TCase) | 76 °C | no data |
| 64 bit support | + | + |
Compatibility
Information on Xeon w7-3545 and Core Ultra 7 255HX 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 | no data |
| Socket | FCLGA4677 | FCBGA2114 |
| Power consumption (TDP) | 310 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon w7-3545 and Core Ultra 7 255HX. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® AMX, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512 | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | + | + |
| AVX | + | - |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | + | + |
| Turbo Boost Technology | 2.0 | 2.0 |
| Hyper-Threading Technology | + | no data |
| TSX | + | - |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| Turbo Boost Max 3.0 | + | + |
| Deep Learning Boost | + | + |
| Supported AI Software Frameworks | - | OpenVINO™, WindowsML, DirectML, ONNX RT, WebNN |
Security technologies
Xeon w7-3545 and Core Ultra 7 255HX technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| Secure Key | no data | + |
| SGX | - | no data |
| OS Guard | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon w7-3545 and Core Ultra 7 255HX are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon w7-3545 and Core Ultra 7 255HX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5-4800 | DDR5-6400 |
| Maximum memory size | 4 TB | 192 GB |
| Max memory channels | 8 | 2 |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | Intel® Graphics |
| Quick Sync Video | - | + |
| Graphics max frequency | no data | 1.85 GHz |
Graphics interfaces
Available interfaces and connections of Xeon w7-3545 and Core Ultra 7 255HX integrated GPUs.
| Number of displays supported | no data | 4 |
Graphics image quality
Maximum display resolutions supported by Xeon w7-3545 and Core Ultra 7 255HX integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | no data | 4K @ 60Hz (HDMI 2.1 TMDS) 8K @ 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 Xeon w7-3545 and Core Ultra 7 255HX integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12 |
| OpenGL | no data | 4.5 |
Peripherals
Specifications and connection of peripherals supported by Xeon w7-3545 and Core Ultra 7 255HX.
| PCIe version | 5.0 | 5.0 and 4.0 |
| PCI Express lanes | 112 | 24 |
Pros & cons summary
| Recency | 24 August 2023 | 1 January 2025 |
| Physical cores | 24 | 20 |
| Threads | 48 | 20 |
| Power consumption (TDP) | 310 Watt | 55 Watt |
Xeon w7-3545 has 20% more physical cores and 140% more threads.
Ultra 7 255HX, on the other hand, has an age advantage of 1 year, and 463.6% lower power consumption.
We couldn't decide between Xeon w7-3545 and Core Ultra 7 255HX. We've got no test results to judge.
Be aware that Xeon w7-3545 is a server/workstation processor while Core Ultra 7 255HX is a notebook one.
Should you still have questions on choice between Xeon w7-3545 and Core Ultra 7 255HX, ask them in Comments section, and we shall answer.
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