Xeon E-2456 vs Pentium U5400
Primary details
Comparing Pentium U5400 and Xeon E-2456 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 470 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 92.83 |
| Market segment | Laptop | Server |
| Series | Intel Pentium | no data |
| Power efficiency | no data | 17.70 |
| Architecture codename | Arrandale (2010−2011) | Raptor Lake-S (2023−2024) |
| Release date | 25 May 2010 (14 years ago) | 14 December 2023 (less than a year ago) |
| Launch price (MSRP) | no data | $375 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Pentium U5400 and Xeon E-2456 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 | 2 (Dual-core) | 6 (Hexa-Core) |
| Threads | 2 | 12 |
| Base clock speed | 1.2 GHz | 3.3 GHz |
| Boost clock speed | 0.1 GHz | 5.1 GHz |
| Bus type | DMI 1.0 | no data |
| Bus rate | 1 × 2.5 GT/s | 16 GT/s |
| Multiplier | 9 | no data |
| L1 cache | 128 KB | 80 KB (per core) |
| L2 cache | 512 KB | 1.25 MB (per core) |
| L3 cache | 3 MB (shared) | 18 MB (shared) |
| Chip lithography | 32 nm | Intel 7 nm |
| Die size | 81+114 mm2 | 163 mm2 |
| Maximum core temperature | 105 °C | 100 °C |
| Number of transistors | 382 Million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Pentium U5400 and Xeon E-2456 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 | BGA1288 | FCLGA1700 |
| Power consumption (TDP) | 18 Watt | 80 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium U5400 and Xeon E-2456. 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 | - | + |
| FMA | + | - |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | 2 |
| Hyper-Threading Technology | - | + |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| Flex Memory Access | + | no data |
| PAE | 36 Bit | no data |
| Turbo Boost Max 3.0 | no data | - |
| FDI | + | no data |
| Fast Memory Access | + | no data |
Security technologies
Pentium U5400 and Xeon E-2456 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | + |
| EDB | + | + |
| Secure Key | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium U5400 and Xeon E-2456 are enumerated here.
| VT-d | - | + |
| VT-x | - | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium U5400 and Xeon E-2456. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR5-4800 |
| Maximum memory size | 8 GB | 128 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 12.799 GB/s | no data |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel® HD Graphics for Previous Generation Intel® Processors | N/A |
| Clear Video | + | no data |
| Graphics max frequency | 500 MHz | no data |
Graphics interfaces
Available interfaces and connections of Pentium U5400 and Xeon E-2456 integrated GPUs.
| Number of displays supported | 2 | no data |
Peripherals
Specifications and connection of peripherals supported by Pentium U5400 and Xeon E-2456.
| PCIe version | 2.0 | 5 |
| PCI Express lanes | 16 | 16 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
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
| Recency | 25 May 2010 | 14 December 2023 |
| Physical cores | 2 | 6 |
| Threads | 2 | 12 |
| Power consumption (TDP) | 18 Watt | 80 Watt |
Pentium U5400 has 344.4% lower power consumption.
Xeon E-2456, on the other hand, has an age advantage of 13 years, and 200% more physical cores and 500% more threads.
We couldn't decide between Pentium U5400 and Xeon E-2456. We've got no test results to judge.
Be aware that Pentium U5400 is a notebook processor while Xeon E-2456 is a server/workstation one.
Should you still have questions on choice between Pentium U5400 and Xeon E-2456, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
