Xeon w5-2455X vs W-2145
Aggregate performance score
w5-2455X outperforms W-2145 by a whopping 108% based on our aggregate benchmark results.
Primary details
Comparing Xeon W-2145 and Xeon w5-2455X processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 612 | 184 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 22.00 | 34.67 |
| Market segment | Server | Server |
| Series | Intel Xeon W | no data |
| Architecture codename | Skylake-W (2018) | Sapphire Rapids |
| Release date | 29 August 2017 (6 years ago) | 1 January 2023 (1 year ago) |
| Launch price (MSRP) | $1,113 | no data |
| Current price | $317 (0.3x MSRP) | $1270 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Xeon w5-2455X has 58% better value for money than Xeon W-2145.
Detailed specifications
Xeon W-2145 and Xeon w5-2455X 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 | 8 (Octa-Core) | 12 (Dodeca-Core) |
| Threads | 16 | 24 |
| Base clock speed | 3.7 GHz | 3.2 GHz |
| Boost clock speed | 4.5 GHz | 4.6 GHz |
| L1 cache | 64K (per core) | 80K (per core) |
| L2 cache | 1 MB (per core) | 2 MB (per core) |
| L3 cache | 11 MB (shared) | 30 MB |
| Chip lithography | 14 nm | Intel 7 nm |
| Die size | 484 mm2 | no data |
| Maximum core temperature | 70 °C | 77 °C |
| Maximum case temperature (TCase) | 70 °C | 77 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | + | + |
| Unlocked multiplier | No | Yes |
Compatibility
Information on Xeon W-2145 and Xeon w5-2455X 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 | 1 |
| Socket | Socket R4 | FCLGA4677 |
| Power consumption (TDP) | 140 Watt | 200 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon W-2145 and Xeon w5-2455X. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 | Intel® SSE4.1, Intel® AMX, Intel® SSE4.2, 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 | + | + |
| Idle States | + | no data |
| Thermal Monitoring | + | no data |
| Flex Memory Access | - | no data |
| Demand Based Switching | + | no data |
| PAE | 46 Bit | no data |
| Turbo Boost Max 3.0 | - | + |
| Status | Discontinued | Launched |
Security technologies
Xeon W-2145 and Xeon w5-2455X technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| Secure Key | + | no data |
| MPX | + | no data |
| Identity Protection | + | no data |
| SGX | - | - |
| OS Guard | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon W-2145 and Xeon w5-2455X are enumerated here.
| AMD-V | + | no data |
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon W-2145 and Xeon w5-2455X. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR5-4800 |
| Maximum memory size | 512 GB | 2 TB |
| Max memory channels | 4 | 4 |
| Maximum memory bandwidth | 85.3 GB/s | no data |
| ECC memory support | + | + |
Peripherals
Specifications and connection of peripherals supported by Xeon W-2145 and Xeon w5-2455X.
| PCIe version | 3.0 | 5.0 |
| PCI Express lanes | 48 | 64 |
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.
w5-2455X outperforms W-2145 by 108% based on our aggregated benchmark results.
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.
Benchmark coverage: 68%
w5-2455X outperforms W-2145 by 108% in Passmark.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
Benchmark coverage: 42%
w5-2455X outperforms W-2145 by 54% in GeekBench 5 Single-Core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Benchmark coverage: 42%
w5-2455X outperforms W-2145 by 70% in GeekBench 5 Multi-Core.
Pros & cons summary
| Performance score | 11.75 | 24.49 |
| Recency | 29 August 2017 | 1 January 2023 |
| Physical cores | 8 | 12 |
| Threads | 16 | 24 |
| Power consumption (TDP) | 140 Watt | 200 Watt |
The Xeon w5-2455X is our recommended choice as it beats the Xeon W-2145 in performance tests.
Should you still have questions on choice between Xeon W-2145 and Xeon w5-2455X, ask them in Comments section, and we shall answer.
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