Xeon E5-2678 v3 vs E5-2686 V3
Aggregate performance score
Xeon E5-2686 V3 outperforms Xeon E5-2678 v3 by a significant 23% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 779 | 923 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Server |
| Series | no data | Xeon |
| Power efficiency | 9.05 | 7.33 |
| Designer | Intel | Intel |
| Manufacturer | Intel | Intel |
| Architecture codename | Haswell-EP (2014−2015) | Haswell (2013−2015) |
| Release date | 8 September 2014 (10 years ago) | 2015 (10 years ago) |
Detailed specifications
Xeon E5-2686 V3 and Xeon E5-2678 v3 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 | 18 (Octadeca-Core) | 12 (Dodeca-Core) |
| Threads | 36 | 24 |
| Base clock speed | 2 GHz | 2.5 GHz |
| Boost clock speed | 3.5 GHz | 3.3 GHz |
| L1 cache | 64K (per core) | 384 KB |
| L2 cache | 256K (per core) | 3072 KB |
| L3 cache | 45 MB (shared) | 30 MB |
| Chip lithography | 22 nm | 22 nm |
| Die size | 356 mm2 | 356 mm2 |
| Maximum case temperature (TCase) | 83 °C | 84 °C |
| Number of transistors | 2,600 million | 5,560 million |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | - |
Compatibility
Information on Xeon E5-2686 V3 and Xeon E5-2678 v3 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 | 2 |
| Socket | 2011-3 | LGA2011-3 |
| Power consumption (TDP) | 120 Watt | 120 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E5-2686 V3 and Xeon E5-2678 v3. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| vPro | + | + |
| Enhanced SpeedStep (EIST) | + | + |
| TSX | + | + |
Security technologies
Xeon E5-2686 V3 and Xeon E5-2678 v3 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon E5-2686 V3 and Xeon E5-2678 v3 are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon E5-2686 V3 and Xeon E5-2678 v3. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3, DDR4 2133 MHz Quad-channel | DDR3, DDR4 |
Peripherals
Specifications and connection of peripherals supported by Xeon E5-2686 V3 and Xeon E5-2678 v3.
| PCIe version | 3.0 | 3.0 |
| PCI Express lanes | 40 | 40 |
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.
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
| Performance score | 11.31 | 9.16 |
| Physical cores | 18 | 12 |
| Threads | 36 | 24 |
Xeon E5-2686 V3 has a 23.5% higher aggregate performance score, and 50% more physical cores and 50% more threads.
The Intel Xeon E5-2686 V3 is our recommended choice as it beats the Intel Xeon E5-2678 v3 in performance tests.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
