Xeon 6337P vs Ultra 7 255U
Aggregate performance score
Xeon 6337P outperforms Core Ultra 7 255U by a minimal 4% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 799 | 768 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 22.84 |
| Market segment | Laptop | Server |
| Power efficiency | 29.74 | 5.79 |
| Designer | Intel | Intel |
| Manufacturer | no data | Intel |
| Architecture codename | Arrow Lake-U (2025) | Raptor Lake-R (2023−2025) |
| Release date | 1 January 2025 (less than a year ago) | 24 February 2025 (less than a year ago) |
| Launch price (MSRP) | no data | $375 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Core Ultra 7 255U and Xeon 6337P 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 | 12 (Dodeca-Core) | 6 (Hexa-Core) |
| Performance-cores | 2 | 6 |
| Efficient-cores | 8 | no data |
| Low Power Efficient-cores | 2 | no data |
| Threads | 14 | 12 |
| Base clock speed | 3.8 GHz | 3.5 GHz |
| Boost clock speed | 5.2 GHz | 5 GHz |
| Bus rate | no data | 16 GT/s |
| L1 cache | no data | 80 KB (per core) |
| L2 cache | no data | 1.25 MB (per core) |
| L3 cache | 12 MB | 18 MB (shared) |
| Chip lithography | Intel 3 nm | Intel 7 nm |
| Die size | no data | 163 mm2 |
| Maximum core temperature | 110 °C | 100 °C |
| 64 bit support | + | + |
Compatibility
Information on Core Ultra 7 255U and Xeon 6337P 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 | FCBGA2049 | FCLGA1700 |
| Power consumption (TDP) | 15 Watt | 80 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core Ultra 7 255U and Xeon 6337P. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | + | no data |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | + | + |
| Idle States | no data | + |
| Thermal Monitoring | + | + |
| Turbo Boost Max 3.0 | - | - |
| Deep Learning Boost | + | - |
| Supported AI Software Frameworks | OpenVINO™, WindowsML, ONNX RT | - |
Security technologies
Core Ultra 7 255U and Xeon 6337P technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| OS Guard | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core Ultra 7 255U and Xeon 6337P are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core Ultra 7 255U and Xeon 6337P. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR5-4800 |
| Maximum memory size | 128 GB | 128 GB |
| Max memory channels | 2 | 2 |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel® Graphics | N/A |
| Quick Sync Video | + | - |
| Graphics max frequency | 2.1 GHz | no data |
Graphics interfaces
Available interfaces and connections of Core Ultra 7 255U and Xeon 6337P integrated GPUs.
| Number of displays supported | 4 | no data |
Graphics image quality
Maximum display resolutions supported by Core Ultra 7 255U and Xeon 6337P 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 (HDMI2.1 FRL) | no data |
| Max resolution over eDP | 3840x2400 @ 120Hz | no data |
| Max resolution over DisplayPort | 7680 x 4320 @ 60Hz | no data |
Graphics API support
APIs supported by Core Ultra 7 255U and Xeon 6337P integrated GPUs, sometimes API versions are included.
| DirectX | 12.2 | no data |
| OpenGL | 4.6 | no data |
Peripherals
Specifications and connection of peripherals supported by Core Ultra 7 255U and Xeon 6337P.
| PCIe version | no data | 5.0 |
| PCI Express lanes | 20 | 20 |
| PCI support | 4.0 | no data |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Performance score | 10.52 | 10.94 |
| Recency | 1 January 2025 | 24 February 2025 |
| Physical cores | 12 | 6 |
| Threads | 14 | 12 |
| Power consumption (TDP) | 15 Watt | 80 Watt |
Ultra 7 255U has 100% more physical cores and 16.7% more threads, and 433.3% lower power consumption.
Xeon 6337P, on the other hand, has a 4% higher aggregate performance score, and an age advantage of 1 month.
Given the minimal performance differences, no clear winner can be declared between Intel Core Ultra 7 255U and Intel Xeon 6337P.
Be aware that Core Ultra 7 255U is a notebook processor while Xeon 6337P is a server/workstation one.
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