Xeon E5-1691 V3 vs E3-1280 v6
Primary details
Comparing Xeon E3-1280 v6 and Xeon E5-1691 V3 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1145 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 3.05 | no data |
| Market segment | Server | Server |
| Series | Intel Xeon E3 | no data |
| Power efficiency | 7.44 | no data |
| Architecture codename | Kaby Lake (2016−2019) | Haswell-EP (2014−2015) |
| Release date | 28 March 2017 (7 years ago) | 8 September 2014 (10 years ago) |
| Launch price (MSRP) | $612 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Xeon E3-1280 v6 and Xeon E5-1691 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 | 4 (Quad-Core) | 14 (Tetradeca-Core) |
| Threads | 8 | 28 |
| Base clock speed | 3.9 GHz | 2.5 GHz |
| Boost clock speed | 4.2 GHz | 3.4 GHz |
| Bus type | DMI 3.0 | no data |
| Bus rate | 8 GT/s | no data |
| Multiplier | 39 | no data |
| L1 cache | 256 KB | 64K (per core) |
| L2 cache | 1 MB | 256K (per core) |
| L3 cache | 8 MB | 35 MB (shared) |
| Chip lithography | 14 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 Xeon E3-1280 v6 and Xeon E5-1691 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 | 1 (Uniprocessor) | 1 |
| Socket | FCLGA1151 | 2011-3 |
| Power consumption (TDP) | 72 Watt | 135 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E3-1280 v6 and Xeon E5-1691 V3. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | no data |
| AES-NI | + | + |
| AVX | + | + |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| TSX | + | + |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
Security technologies
Xeon E3-1280 v6 and Xeon E5-1691 V3 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | no data |
| Secure Key | + | no data |
| MPX | + | - |
| SGX | Yes with both Intel® SPS and Intel® ME | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon E3-1280 v6 and Xeon E5-1691 V3 are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon E3-1280 v6 and Xeon E5-1691 V3. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2400, DDR3L-1866 | DDR4-2133 |
| Maximum memory size | 64 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 38.397 GB/s | no data |
| ECC memory support | + | - |
Graphics image quality
Maximum display resolutions supported by Xeon E3-1280 v6 and Xeon E5-1691 V3 integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | N/A | no data |
| Max resolution over eDP | N/A | no data |
| Max resolution over DisplayPort | N/A | no data |
| Max resolution over VGA | N/A | no data |
Graphics API support
APIs supported by Xeon E3-1280 v6 and Xeon E5-1691 V3 integrated GPUs, sometimes API versions are included.
| DirectX | N/A | no data |
| OpenGL | N/A | no data |
Peripherals
Specifications and connection of peripherals supported by Xeon E3-1280 v6 and Xeon E5-1691 V3.
| PCIe version | 3.0 | 3.0 |
| PCI Express lanes | 16 | 40 |
Pros & cons summary
| Recency | 28 March 2017 | 8 September 2014 |
| Physical cores | 4 | 14 |
| Threads | 8 | 28 |
| Chip lithography | 14 nm | 22 nm |
| Power consumption (TDP) | 72 Watt | 135 Watt |
Xeon E3-1280 v6 has an age advantage of 2 years, a 57.1% more advanced lithography process, and 87.5% lower power consumption.
Xeon E5-1691 V3, on the other hand, has 250% more physical cores and 250% more threads.
We couldn't decide between Xeon E3-1280 v6 and Xeon E5-1691 V3. We've got no test results to judge.
Should you still have questions on choice between Xeon E3-1280 v6 and Xeon E5-1691 V3, ask them in Comments section, and we shall answer.
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