Xeon Silver 4514Y vs w5-2455X
Aggregate performance score
Xeon w5-2455X outperforms Xeon Silver 4514Y by a moderate 10% based on our aggregate benchmark results.
Primary details
Comparing Xeon w5-2455X and Xeon Silver 4514Y processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 223 | 256 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 61.76 | 72.41 |
| Market segment | Server | Server |
| Power efficiency | 11.24 | 13.64 |
| Architecture codename | Sapphire Rapids (2023−2024) | Emerald Rapids (2023) |
| Release date | 15 February 2023 (1 year ago) | 14 December 2023 (1 year ago) |
| Launch price (MSRP) | $1,039 | $780 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Xeon Silver 4514Y has 17% better value for money than Xeon w5-2455X.
Detailed specifications
Xeon w5-2455X and Xeon Silver 4514Y 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) | 16 (Hexadeca-Core) |
| Performance-cores | 12 | no data |
| Threads | 24 | 32 |
| Base clock speed | 3.2 GHz | 2 GHz |
| Boost clock speed | 4.6 GHz | 3.4 GHz |
| L1 cache | 80 KB (per core) | 80 KB (per core) |
| L2 cache | 2 MB (per core) | 2 MB (per core) |
| L3 cache | 30 MB | 30 MB (shared) |
| Chip lithography | Intel 7 nm | Intel 7 nm |
| Die size | no data | 2x 763 mm2 |
| Maximum case temperature (TCase) | 77 °C | 79 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
| Unlocked multiplier | + | - |
Compatibility
Information on Xeon w5-2455X and Xeon Silver 4514Y 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 | 2 |
| Socket | FCLGA4677 | FCLGA4677 |
| Power consumption (TDP) | 200 Watt | 150 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon w5-2455X and Xeon Silver 4514Y. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® AMX, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512 | Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 |
| AES-NI | + | + |
| AVX | + | + |
| vPro | + | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | + | + |
| Turbo Boost Technology | 2.0 | 2.0 |
| Hyper-Threading Technology | + | + |
| TSX | + | + |
| Turbo Boost Max 3.0 | + | no data |
| Deep Learning Boost | + | + |
Security technologies
Xeon w5-2455X and Xeon Silver 4514Y technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| SGX | - | Yes with Intel® SPS |
| OS Guard | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon w5-2455X and Xeon Silver 4514Y are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon w5-2455X and Xeon Silver 4514Y. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5-4800 | DDR5-4400 |
| Maximum memory size | 2 TB | 4 TB |
| Max memory channels | 4 | 8 |
| ECC memory support | + | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | N/A |
Peripherals
Specifications and connection of peripherals supported by Xeon w5-2455X and Xeon Silver 4514Y.
| PCIe version | 5.0 | 5.0 |
| PCI Express lanes | 64 | 80 |
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. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
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 | 23.58 | 21.47 |
| Recency | 15 February 2023 | 14 December 2023 |
| Physical cores | 12 | 16 |
| Threads | 24 | 32 |
| Power consumption (TDP) | 200 Watt | 150 Watt |
Xeon w5-2455X has a 9.8% higher aggregate performance score.
Xeon Silver 4514Y, on the other hand, has an age advantage of 9 months, 33.3% more physical cores and 33.3% more threads, and 33.3% lower power consumption.
Given the minimal performance differences, no clear winner can be declared between Xeon w5-2455X and Xeon Silver 4514Y.
Should you still have questions on choice between Xeon w5-2455X and Xeon Silver 4514Y, ask them in Comments section, and we shall answer.
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