Ultra 7 255U vs Xeon E5-2648L v4
Aggregate performance score
Core Ultra 7 255U outperforms Xeon E5-2648L v4 by an impressive 63% based on our aggregate benchmark results.
Primary details
Comparing Xeon E5-2648L v4 and Core Ultra 7 255U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 999 | 646 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 1.56 | no data |
| Market segment | Laptop | Laptop |
| Series | Intel Xeon E5 | no data |
| Power efficiency | 9.63 | 20.63 |
| Architecture codename | Broadwell (2015−2019) | no data |
| Release date | 20 June 2016 (8 years ago) | 1 January 2025 (less than a year ago) |
| Launch price (MSRP) | $1,544 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Xeon E5-2648L v4 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 | 14 (Tetradeca-Core) | 12 (Dodeca-Core) |
| Performance-cores | no data | 2 |
| Efficient-cores | no data | 8 |
| Low Power Efficient-cores | no data | 2 |
| Threads | 28 | 14 |
| Boost clock speed | 1.8 GHz | 5.2 GHz |
| Bus type | QPI | no data |
| Bus rate | 2 × 9.6 GT/s | no data |
| Multiplier | 18 | no data |
| L2 cache | 3.5 MB | no data |
| L3 cache | 35 MB | 12 MB |
| Chip lithography | 14 nm | Intel 3 nm |
| Die size | 306.18 mm2 | no data |
| Number of transistors | 4700 Million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Xeon E5-2648L v4 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 | 2 (Multiprocessor) | 1 |
| Socket | no data | FCBGA2049 |
| Power consumption (TDP) | 75 Watt | 57 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E5-2648L v4 and Core Ultra 7 255U. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | + | + |
| AVX | + | - |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | no data |
| Speed Shift | no data | + |
| Hyper-Threading Technology | no data | + |
| TSX | + | - |
| Thermal Monitoring | - | + |
| Turbo Boost Max 3.0 | no data | - |
| Deep Learning Boost | - | + |
| Supported AI Software Frameworks | - | OpenVINO™, WindowsML, ONNX RT |
Security technologies
Xeon E5-2648L v4 and Core Ultra 7 255U technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | no data | + |
| Secure Key | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon E5-2648L v4 and Core Ultra 7 255U are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon E5-2648L v4 and Core Ultra 7 255U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR5-6400 |
| Maximum memory size | 1,536 GB | 128 GB |
| Max memory channels | no data | 2 |
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 E5-2648L v4 and Core Ultra 7 255U integrated GPUs.
| Number of displays supported | no data | 4 |
Graphics image quality
Maximum display resolutions supported by Xeon E5-2648L v4 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 E5-2648L v4 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 E5-2648L v4 and Core Ultra 7 255U.
| PCIe version | 3.0 | no data |
| PCI Express lanes | 40 | 20 |
| PCI support | no data | 4.0 |
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.
Pros & cons summary
| Performance score | 7.58 | 12.35 |
| Recency | 20 June 2016 | 1 January 2025 |
| Physical cores | 14 | 12 |
| Threads | 28 | 14 |
| Power consumption (TDP) | 75 Watt | 57 Watt |
Xeon E5-2648L v4 has 16.7% more physical cores and 100% more threads.
Ultra 7 255U, on the other hand, has a 62.9% higher aggregate performance score, an age advantage of 8 years, and 31.6% lower power consumption.
The Core Ultra 7 255U is our recommended choice as it beats the Xeon E5-2648L v4 in performance tests.
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