Ultra 5 250KF Plus vs Xeon W-3335
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 309 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Desktop processor |
| Power efficiency | 3.79 | no data |
| Designer | Intel | Intel |
| Manufacturer | Intel | TSMC |
| Architecture codename | Ice Lake-W (2021) | Arrow Lake Refresh (2026) |
| Release date | 29 July 2021 (4 years ago) | 11 March 2026 (recently) |
| Launch price (MSRP) | no data | $184 |
Detailed specifications
Xeon W-3335 and Core Ultra 5 250KF 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 | 16 (Hexadeca-Core) | 18 (Octadeca-Core) |
| Threads | 32 | 18 |
| Base clock speed | 3.4 GHz | 4.2 GHz |
| Boost clock speed | 4 GHz | 5.3 GHz |
| Bus rate | 8 GT/s | no data |
| L1 cache | 64K (per core) | 192 KB (per core) |
| L2 cache | 1 MB (per core) | 3 MB (per core) |
| L3 cache | 24 MB (shared) | 30 MB (shared) |
| Chip lithography | 10 nm | 3 nm |
| Die size | no data | 243 mm2 |
| Maximum case temperature (TCase) | 78 °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 W-3335 and Core Ultra 5 250KF 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 | 2 | 1 |
| Socket | FCLGA4189 | 1851 |
| Power consumption (TDP) | 250 Watt | 125 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon W-3335 and Core Ultra 5 250KF Plus. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® AVX-512 | no data |
| AES-NI | + | + |
| AVX | + | + |
| vPro | + | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | + | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| TSX | + | - |
| SIPP | - | + |
| Turbo Boost Max 3.0 | - | no data |
| Deep Learning Boost | + | - |
Security technologies
Xeon W-3335 and Core Ultra 5 250KF Plus technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | no data |
| SGX | - | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon W-3335 and Core Ultra 5 250KF Plus are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon W-3335 and Core Ultra 5 250KF Plus. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-3200 | DDR5 |
| Maximum memory size | 4 TB | no data |
| Max memory channels | 8 | no data |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | N/A |
Peripherals
Specifications and connection of peripherals supported by Xeon W-3335 and Core Ultra 5 250KF Plus.
| PCIe version | 4 | 5.0 |
| PCI Express lanes | 64 | 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 | 29 July 2021 | 11 March 2026 |
| Physical cores | 16 | 18 |
| Threads | 32 | 18 |
| Chip lithography | 10 nm | 3 nm |
| Power consumption (TDP) | 250 Watt | 125 Watt |
Xeon W-3335 has 77.8% more threads.
Ultra 5 250KF Plus, on the other hand, has an age advantage of 4 years, 12.5% more physical cores, a 233.3% more advanced lithography process, and 100% lower power consumption.
We couldn't decide between Intel Xeon W-3335 and Intel Core Ultra 5 250KF Plus. We've got no test results to judge.
Be aware that Xeon W-3335 is a server/workstation processor while Core Ultra 5 250KF Plus is a desktop one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
