Xeon E5-2666 V3 vs Microsoft SQ1
Aggregate performance score
Xeon E5-2666 V3 outperforms Microsoft SQ1 by a whopping 138% based on our aggregate benchmark results.
Primary details
Comparing Microsoft SQ1 and Xeon E5-2666 V3 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1529 | 905 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Series | Qualcomm Snapdragon | no data |
| Power efficiency | no data | 6.25 |
| Architecture codename | Cortex-A76 / A55 (Kryo 495) (2019) | Haswell-EP (2014−2015) |
| Release date | 2 October 2019 (5 years ago) | 13 November 2014 (10 years ago) |
Detailed specifications
Microsoft SQ1 and Xeon E5-2666 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 | 8 (Octa-Core) | 10 (Deca-Core) |
| Threads | 8 | 20 |
| Base clock speed | no data | 2.9 GHz |
| Boost clock speed | 3 GHz | 3.5 GHz |
| L1 cache | no data | 64K (per core) |
| L2 cache | no data | 256K (per core) |
| L3 cache | 2 MB | 25 MB (shared) |
| Chip lithography | 7 nm | 22 nm |
| Die size | no data | 356 mm2 |
| Number of transistors | no data | 2,600 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Microsoft SQ1 and Xeon E5-2666 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 | no data | 2 |
| Socket | no data | 2011-3 |
| Power consumption (TDP) | no data | 135 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Microsoft SQ1 and Xeon E5-2666 V3. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
| TSX | - | + |
Security technologies
Microsoft SQ1 and Xeon E5-2666 V3 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Microsoft SQ1 and Xeon E5-2666 V3 are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Microsoft SQ1 and Xeon E5-2666 V3. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR3, DDR4 2133 MHz Quad-channel |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Qualcomm Adreno 685 | no data |
Peripherals
Specifications and connection of peripherals supported by Microsoft SQ1 and Xeon E5-2666 V3.
| PCIe version | no data | 3.0 |
| PCI Express lanes | no data | 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.
Pros & cons summary
| Performance score | 3.72 | 8.86 |
| Recency | 2 October 2019 | 13 November 2014 |
| Physical cores | 8 | 10 |
| Threads | 8 | 20 |
| Chip lithography | 7 nm | 22 nm |
Microsoft SQ1 has an age advantage of 4 years, and a 214.3% more advanced lithography process.
Xeon E5-2666 V3, on the other hand, has a 138.2% higher aggregate performance score, and 25% more physical cores and 150% more threads.
The Xeon E5-2666 V3 is our recommended choice as it beats the Microsoft SQ1 in performance tests.
Be aware that Microsoft SQ1 is a notebook processor while Xeon E5-2666 V3 is a server/workstation one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
