Xeon w5-3535X vs E5-2666 V3
Primary details
Comparing Xeon E5-2666 V3 and Xeon w5-3535X processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 842 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Server |
| Power efficiency | 6.30 | no data |
| Architecture codename | Haswell-EP (2014−2015) | Sapphire Rapids (2023−2024) |
| Release date | 13 November 2014 (9 years ago) | 24 August 2024 (less than a year ago) |
| Launch price (MSRP) | no data | $1,689 |
Detailed specifications
Xeon E5-2666 V3 and Xeon w5-3535X 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 | 10 (Deca-Core) | 20 (Icosa-Core) |
| Threads | 20 | 40 |
| Base clock speed | 2.9 GHz | 2.9 GHz |
| Boost clock speed | 3.5 GHz | 4.8 GHz |
| L1 cache | 64K (per core) | 80 KB (per core) |
| L2 cache | 256K (per core) | 2 MB (per core) |
| L3 cache | 25 MB (shared) | 52.5 MB |
| Chip lithography | 22 nm | Intel 7 nm |
| Die size | 356 mm2 | 4x 477 mm2 |
| Maximum case temperature (TCase) | no data | 76 °C |
| Number of transistors | 2,600 million | no data |
| 64 bit support | + | + |
| Unlocked multiplier | - | + |
Compatibility
Information on Xeon E5-2666 V3 and Xeon w5-3535X 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 | 2011-3 | FCLGA4677 |
| Power consumption (TDP) | 135 Watt | 300 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E5-2666 V3 and Xeon w5-3535X. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® AMX, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512 |
| AES-NI | + | + |
| AVX | + | + |
| vPro | + | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| TSX | + | + |
| Turbo Boost Max 3.0 | no data | + |
| Deep Learning Boost | - | + |
Security technologies
Xeon E5-2666 V3 and Xeon w5-3535X technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | no data | + |
| SGX | no data | - |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon E5-2666 V3 and Xeon w5-3535X are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon E5-2666 V3 and Xeon w5-3535X. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3, DDR4 2133 MHz Quad-channel | DDR5-4800 |
| Maximum memory size | no data | 4 TB |
| Max memory channels | no data | 8 |
| 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 E5-2666 V3 and Xeon w5-3535X.
| PCIe version | 3.0 | 5.0 |
| PCI Express lanes | 40 | 112 |
Pros & cons summary
| Recency | 13 November 2014 | 24 August 2024 |
| Physical cores | 10 | 20 |
| Threads | 20 | 40 |
| Power consumption (TDP) | 135 Watt | 300 Watt |
Xeon E5-2666 V3 has 122.2% lower power consumption.
Xeon w5-3535X, on the other hand, has an age advantage of 9 years, and 100% more physical cores and 100% more threads.
We couldn't decide between Xeon E5-2666 V3 and Xeon w5-3535X. We've got no test results to judge.
Should you still have questions on choice between Xeon E5-2666 V3 and Xeon w5-3535X, ask them in Comments section, and we shall answer.
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