Intel Core Ultra 7 255U: specs and benchmarks
Summary
Intel started Core Ultra 7 255U sales 1 January 2025. This is a notebook processor primarily aimed at home systems. It has 12 cores and 14 threads, and is based on Intel 3 manufacturing technology, with a maximum frequency of 5200 MHz and a locked multiplier.
Compatibility-wise, this is FCBGA2049 processor with a TDP of 57 Watt. It supports DDR5-6400 memory.
Primary details
Core Ultra 7 255U processor market type (desktop or notebook), architecture, sales start time and pricing.
| Place in the ranking | not rated | |
| Place by popularity | not in top-100 | |
| Market segment | Laptop | |
| Release date | 1 January 2025 (less than a year ago) |
Detailed specifications
Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.
| Physical cores | 12 (Dodeca-Core) | |
| Performance-cores | 2 | of 60 (Xeon w9-3595X) |
| Efficient-cores | 8 | of 16 (Core i9-13900K) |
| Low Power Efficient-cores | 2 | of 4 (Core Ultra 9 288V) |
| Threads | 14 | |
| Boost clock speed | 5.2 GHz | of 6.2 GHz (Core i9-14900KS) |
| L3 cache | 12 MB | of 1152 MB (EPYC 9684X) |
| Chip lithography | Intel 3 nm | of 3 nm (Apple M3 Max 16-Core) |
| 64 bit support | + |
Compatibility
Information on Core Ultra 7 255U compatibility with other computer components and devices: 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 | of 8 (Opteron 842) |
| Socket | FCBGA2049 | |
| Power consumption (TDP) | 57 Watt | of 500 Watt (Xeon 6960P) |
Technologies and extensions
Technological capabilities and additional instructions supported by Core Ultra 7 255U. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | |
| AES-NI | + | |
| Speed Shift | + | |
| Hyper-Threading Technology | + | |
| Thermal Monitoring | + | |
| Turbo Boost Max 3.0 | - | |
| Deep Learning Boost | + | |
| Supported AI Software Frameworks | OpenVINO™, WindowsML, ONNX RT |
Security technologies
Processor technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | |
| EDB | + | |
| Secure Key | + | |
| OS Guard | + |
Virtualization technologies
Supported virtual machine optimization technologies. Some are specific to Intel only, some to AMD.
| VT-d | + | |
| VT-x | + | |
| EPT | + |
Memory specs
Types, maximum amount and channel number of RAM supported by Core Ultra 7 255U's memory controller. Depending on the motherboard, higher memory frequency may be supported.
| Supported memory types | DDR5-6400 | |
| Maximum memory size | 128 GB | of 6 TiB (EPYC 9124) |
| Max memory channels | 2 | of 12 (Xeon Platinum 9221) |
Graphics specifications
General parameters of a GPU integrated into Core Ultra 7 255U.
| Integrated graphics card | Intel® Graphics | |
| Quick Sync Video | + | |
| Graphics max frequency | 2.1 GHz |
Graphics interfaces
Available interfaces and connections of Core Ultra 7 255U's integrated GPU.
| Number of displays supported | 4 |
Graphics image quality
Maximum display resolutions supported by Core Ultra 7 255U's integrated GPU, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | 4096 x 2304 @ 60Hz (HDMI 2.1 TMDS) 7680 x 4320 @ 60Hz (HDMI2.1 FRL) | |
| Max resolution over eDP | 3840x2400 @ 120Hz | |
| Max resolution over DisplayPort | 7680 x 4320 @ 60Hz |
Graphics API support
APIs supported by Core Ultra 7 255U's integrated GPU, sometimes API versions are included.
| DirectX | 12.2 | |
| OpenGL | 4.6 |
Peripherals
Specifications and connection types of supported peripherals.
| PCI Express lanes | 20 | of 128 (EPYC 7551P) |
| PCI support | 4.0 |
Benchmark performance
Single-core and multi-core benchmark results of Core Ultra 7 255U. Overall benchmark performance is measured in points in 0-100 range, higher is better.
We have no data on Core Ultra 7 255U benchmark results.
Send your test results of Core Ultra 7 255U.
Similar processors
Here is our recommendation of several processors that are more or less close in performance to the one reviewed.
