Ultra 7 255U vs Xeon D-2145NT
Primary details
Comparing Xeon D-2145NT and Core Ultra 7 255U 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 |
| Series | Intel Xeon D | no data |
| Architecture codename | Skylake (server) (2017−2018) | no data |
| Release date | 7 February 2018 (6 years ago) | 1 January 2025 (less than a year ago) |
| Launch price (MSRP) | $502 | no data |
Detailed specifications
Xeon D-2145NT and Core Ultra 7 255U 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 | 8 (Octa-Core) | 12 (Dodeca-Core) |
| Performance-cores | no data | 2 |
| Efficient-cores | no data | 8 |
| Low Power Efficient-cores | no data | 2 |
| Threads | 16 | 14 |
| Base clock speed | 1.9 GHz | no data |
| Boost clock speed | 3 GHz | 5.2 GHz |
| Bus type | DMI 3.0 | no data |
| Bus rate | 4 × 8 GT/s | no data |
| Multiplier | 19 | no data |
| L1 cache | 512 KB | no data |
| L2 cache | 8 MB | no data |
| L3 cache | 11 MB | 12 MB |
| Chip lithography | 14 nm | Intel 3 nm |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Xeon D-2145NT and Core Ultra 7 255U 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 (Uniprocessor) | 1 |
| Socket | FCBGA2518 | FCBGA2049 |
| Power consumption (TDP) | 65 Watt | 57 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon D-2145NT and Core Ultra 7 255U. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® AVX2, Intel® AVX-512 | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | + | + |
| AVX | + | - |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | no data |
| QuickAssist | + | no data |
| Speed Shift | no data | + |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | + |
| TSX | + | - |
| Idle States | + | no data |
| Thermal Monitoring | + | + |
| Turbo Boost Max 3.0 | - | - |
| Deep Learning Boost | - | + |
| Supported AI Software Frameworks | - | OpenVINO™, WindowsML, ONNX RT |
Security technologies
Xeon D-2145NT and Core Ultra 7 255U technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| Secure Key | + | + |
| MPX | + | - |
| SGX | - | no data |
| OS Guard | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon D-2145NT and Core Ultra 7 255U are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon D-2145NT and Core Ultra 7 255U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR5-6400 |
| Maximum memory size | 512 GB | 128 GB |
| Max memory channels | 4 | 2 |
| Maximum memory bandwidth | 85.33 GB/s | no data |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel® Graphics |
| Quick Sync Video | - | + |
| Graphics max frequency | no data | 2.1 GHz |
Graphics interfaces
Available interfaces and connections of Xeon D-2145NT and Core Ultra 7 255U integrated GPUs.
| Number of displays supported | no data | 4 |
Graphics image quality
Maximum display resolutions supported by Xeon D-2145NT and Core Ultra 7 255U 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 Xeon D-2145NT and Core Ultra 7 255U 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 Xeon D-2145NT and Core Ultra 7 255U.
| PCIe version | 3.0 | no data |
| PCI Express lanes | 32 | 20 |
| PCI support | no data | 4.0 |
Pros & cons summary
| Recency | 7 February 2018 | 1 January 2025 |
| Physical cores | 8 | 12 |
| Threads | 16 | 14 |
| Power consumption (TDP) | 65 Watt | 57 Watt |
Xeon D-2145NT has 14.3% more threads.
Ultra 7 255U, on the other hand, has an age advantage of 6 years, 50% more physical cores, and 14% lower power consumption.
We couldn't decide between Xeon D-2145NT and Core Ultra 7 255U. We've got no test results to judge.
Be aware that Xeon D-2145NT is a server/workstation processor while Core Ultra 7 255U is a notebook one.
Should you still have questions on choice between Xeon D-2145NT and Core Ultra 7 255U, ask them in Comments section, and we shall answer.
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