Xeon E5-1691 V3 vs D-1531
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1465 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.81 | no data |
| Market segment | Server | Server |
| Series | Intel Xeon D | no data |
| Power efficiency | 5.22 | no data |
| Designer | Intel | Intel |
| Manufacturer | Intel | Intel |
| Architecture codename | Broadwell (2015−2019) | Haswell-EP (2014−2015) |
| Release date | 1 November 2015 (9 years ago) | 8 September 2014 (11 years ago) |
| Launch price (MSRP) | $348 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Xeon D-1531 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 | 6 (Hexa-Core) | 14 (Tetradeca-Core) |
| Threads | 12 | 28 |
| Base clock speed | 2.2 GHz | 2.5 GHz |
| Boost clock speed | 2.7 GHz | 3.4 GHz |
| Bus type | DMI 2.0 | no data |
| Multiplier | 22 | no data |
| L1 cache | 64K (per core) | 64K (per core) |
| L2 cache | 256K (per core) | 256K (per core) |
| L3 cache | 1.5 MB (per core) | 35 MB (shared) |
| Chip lithography | 14 nm | 22 nm |
| Die size | 246.24 mm2 | 356 mm2 |
| Maximum case temperature (TCase) | 80 °C | no data |
| Number of transistors | 3,200 million | 2,600 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Xeon D-1531 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 | FCBGA1667 | 2011-3 |
| Power consumption (TDP) | 45 Watt | 135 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon D-1531 and Xeon E5-1691 V3. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® AVX2 | no data |
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| TSX | + | + |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| GPIO | + | no data |
Security technologies
Xeon D-1531 and Xeon E5-1691 V3 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon D-1531 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 D-1531 and Xeon E5-1691 V3. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4, DDR3 | DDR4-2133 |
| Maximum memory size | 128 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 34.124 GB/s | no data |
| ECC memory support | + | - |
Peripherals
Specifications and connection of peripherals supported by Xeon D-1531 and Xeon E5-1691 V3.
| PCIe version | 2.0/3.0 | 3.0 |
| PCI Express lanes | 24 | 40 |
| USB revision | 2.0/3.0 | no data |
| Total number of SATA ports | 6 | no data |
| Number of USB ports | 8 | no data |
| Integrated LAN | + | no data |
| UART | + | no data |
Pros & cons summary
| Recency | 1 November 2015 | 8 September 2014 |
| Physical cores | 6 | 14 |
| Threads | 12 | 28 |
| Chip lithography | 14 nm | 22 nm |
| Power consumption (TDP) | 45 Watt | 135 Watt |
Xeon D-1531 has an age advantage of 1 year, a 57.1% more advanced lithography process, and 200% lower power consumption.
Xeon E5-1691 V3, on the other hand, has 133.3% more physical cores and 133.3% more threads.
We couldn't decide between Intel Xeon D-1531 and Intel Xeon E5-1691 V3. We've got no test results to judge.
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