Ultra 5 250K Plus vs Xeon E-2134
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1389 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 2.68 | no data |
| Market segment | Server | Desktop processor |
| Series | Intel Xeon E | no data |
| Power efficiency | 3.18 | no data |
| Designer | Intel | Intel |
| Manufacturer | Intel | TSMC |
| Architecture codename | Coffee Lake-S WS (2018−2019) | Arrow Lake Refresh (2026) |
| Release date | 12 July 2018 (7 years ago) | 11 March 2026 (recently) |
| Launch price (MSRP) | $256 | $199 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Xeon E-2134 and Core Ultra 5 250K Plus 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 | 4 (Quad-Core) | 18 (Octadeca-Core) |
| Threads | 8 | 18 |
| Base clock speed | 3.5 GHz | 4.2 GHz |
| Boost clock speed | 4.5 GHz | 5.3 GHz |
| Bus type | DMI 3.0 | no data |
| Bus rate | 4 × 8 GT/s | no data |
| L1 cache | 64 KB (per core) | 192 KB (per core) |
| L2 cache | 256 KB (per core) | 3 MB (per core) |
| L3 cache | 8 MB (shared) | 30 MB (shared) |
| Chip lithography | 14 nm | 3 nm |
| Die size | 126 mm2 | 243 mm2 |
| Maximum core temperature | 100 °C | no data |
| Number of transistors | no data | 17,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
| Unlocked multiplier | - | + |
Compatibility
Information on Xeon E-2134 and Core Ultra 5 250K Plus 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 | FCLGA1151 | 1851 |
| Power consumption (TDP) | 71 Watt | 125 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E-2134 and Core Ultra 5 250K Plus. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | no data |
| AES-NI | + | + |
| AVX | + | + |
| vPro | + | + |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| TSX | + | - |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| SIPP | - | + |
Security technologies
Xeon E-2134 and Core Ultra 5 250K Plus technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | no data |
| MPX | + | - |
| SGX | Yes with Intel® ME | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon E-2134 and Core Ultra 5 250K Plus are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon E-2134 and Core Ultra 5 250K Plus. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2666 | DDR5 |
| Maximum memory size | 128 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 42.671 GB/s | no data |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel UHD Graphics P630 | Arc Xe-LPG Graphics 64EU |
Peripherals
Specifications and connection of peripherals supported by Xeon E-2134 and Core Ultra 5 250K Plus.
| PCIe version | 3.0 | 5.0 |
| PCI Express lanes | 16 | 24 |
Synthetic benchmarks
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. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Recency | 12 July 2018 | 11 March 2026 |
| Physical cores | 4 | 18 |
| Threads | 8 | 18 |
| Chip lithography | 14 nm | 3 nm |
| Power consumption (TDP) | 71 Watt | 125 Watt |
Xeon E-2134 has 76.1% lower power consumption.
Ultra 5 250K Plus, on the other hand, has an age advantage of 7 years, 350% more physical cores and 125% more threads, and a 366.7% more advanced lithography process.
We couldn't decide between Intel Xeon E-2134 and Intel Core Ultra 5 250K Plus. We've got no test results to judge.
Be aware that Xeon E-2134 is a server/workstation processor while Core Ultra 5 250K Plus is a desktop one.
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