Atom Z3740 vs Xeon E5-2686 v4
Primary details
Comparing Xeon E5-2686 v4 and Atom Z3740 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 568 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Laptop |
| Series | Intel Xeon E5 | no data |
| Architecture codename | Broadwell (2014−2019) | Bay Trail-T (2013−2014) |
| Release date | 20 June 2016 (8 years ago) | 27 September 2013 (10 years ago) |
| Launch price (MSRP) | no data | $32 |
Detailed specifications
Xeon E5-2686 v4 and Atom Z3740 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) | 4 (Quad-Core) |
| Threads | 36 | 4 |
| Base clock speed | 2.3 GHz | 1.33 GHz |
| Boost clock speed | 3 GHz | 1.86 GHz |
| Bus type | QPI | no data |
| Bus rate | 2 × 9.6 GT/s | no data |
| Multiplier | 23 | no data |
| L1 cache | no data | 64K (per core) |
| L2 cache | 4.5 MB | 512K (per core) |
| L3 cache | 45 MB | 0 KB |
| Chip lithography | 14 nm | 22 nm |
| Die size | 456.12 mm2 | no data |
| Maximum core temperature | no data | 90 °C |
| Number of transistors | 7200 Million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Xeon E5-2686 v4 and Atom Z3740 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 (Multiprocessor) | 1 |
| Socket | no data | UTFCBGA1380 |
| Power consumption (TDP) | 145 Watt | 2 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E5-2686 v4 and Atom Z3740. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | - |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| TSX | + | - |
| Status | no data | Discontinued |
Security technologies
Xeon E5-2686 v4 and Atom Z3740 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| Secure Key | no data | + |
| Identity Protection | - | + |
| Anti-Theft | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon E5-2686 v4 and Atom Z3740 are enumerated here.
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon E5-2686 v4 and Atom Z3740. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR3 |
| Maximum memory size | 1,536 GB | 4 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 17.1 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel® HD Graphics for Intel Atom® Processor Z3700 Series |
| Quick Sync Video | - | + |
| Clear Video HD | no data | + |
| Graphics max frequency | no data | 667 MHz |
Peripherals
Specifications and connection of peripherals supported by Xeon E5-2686 v4 and Atom Z3740.
| PCIe version | 3.0 | no data |
| PCI Express lanes | 40 | no data |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
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
| Recency | 20 June 2016 | 27 September 2013 |
| Physical cores | 18 | 4 |
| Threads | 36 | 4 |
| Chip lithography | 14 nm | 22 nm |
| Power consumption (TDP) | 145 Watt | 2 Watt |
Xeon E5-2686 v4 has an age advantage of 2 years, 350% more physical cores and 800% more threads, and a 57.1% more advanced lithography process.
Atom Z3740, on the other hand, has 7150% lower power consumption.
We couldn't decide between Xeon E5-2686 v4 and Atom Z3740. We've got no test results to judge.
Be aware that Xeon E5-2686 v4 is a server/workstation processor while Atom Z3740 is a notebook one.
Should you still have questions on choice between Xeon E5-2686 v4 and Atom Z3740, ask them in Comments section, and we shall answer.
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