Xeon W-2145 vs Gold 6143
Aggregate performance score
Gold 6143 outperforms W-2145 by a substantial 36% based on our aggregate benchmark results.
Primary details
Comparing Xeon Gold 6143 and Xeon W-2145 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 395 | 620 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 14.40 |
| Market segment | Server | Server |
| Series | no data | Intel Xeon W |
| Architecture codename | no data | Skylake-W (2018) |
| Release date | 1 July 2017 (7 years ago) | 29 August 2017 (6 years ago) |
| Launch price (MSRP) | no data | $1,113 |
| Current price | no data | $477 (0.4x MSRP) |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Xeon Gold 6143 and Xeon W-2145 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) | 8 (Octa-Core) |
| Threads | 32 | 16 |
| Base clock speed | 2.8 GHz | 3.7 GHz |
| Boost clock speed | 4 GHz | 4.5 GHz |
| L1 cache | no data | 64K (per core) |
| L2 cache | no data | 1 MB (per core) |
| L3 cache | 22 MB | 11 MB (shared) |
| Chip lithography | 14 nm | 14 nm |
| Die size | no data | 484 mm2 |
| Maximum core temperature | 74 °C | 70 °C |
| Maximum case temperature (TCase) | no data | 70 °C |
| 64 bit support | - | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | No | No |
Compatibility
Information on Xeon Gold 6143 and Xeon W-2145 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 | no data | 1 |
| Socket | FCLGA3647 | Socket R4 |
| Power consumption (TDP) | 205 Watt | 140 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon Gold 6143 and Xeon W-2145. 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® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 |
| AES-NI | + | + |
| AVX | no data | + |
| 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 | no data | 46 Bit |
| Turbo Boost Max 3.0 | - | - |
| Status | Launched | Discontinued |
Security technologies
Xeon Gold 6143 and Xeon W-2145 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 | no data | - |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon Gold 6143 and Xeon W-2145 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 Gold 6143 and Xeon W-2145. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2666 | DDR4 |
| Maximum memory size | 768 GB | 512 GB |
| Max memory channels | 6 | 4 |
| Maximum memory bandwidth | no data | 85.3 GB/s |
| ECC memory support | + | + |
Peripherals
Specifications and connection of peripherals supported by Xeon Gold 6143 and Xeon W-2145.
| PCIe version | 3.0 | 3.0 |
| PCI Express lanes | 48 | 48 |
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.
Gold 6143 outperforms W-2145 by 36% based on our aggregate 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%
Gold 6143 outperforms W-2145 by 36% in Passmark.
Pros & cons summary
| Performance score | 16.02 | 11.75 |
| Recency | 1 July 2017 | 29 August 2017 |
| Physical cores | 16 | 8 |
| Threads | 32 | 16 |
| Power consumption (TDP) | 205 Watt | 140 Watt |
The Xeon Gold 6143 is our recommended choice as it beats the Xeon W-2145 in performance tests.
Should you still have questions on choice between Xeon Gold 6143 and Xeon W-2145, ask them in Comments section, and we shall answer.
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