Xeon D-1581 vs Opteron 140 EE
Primary details
Comparing Opteron 140 EE and Xeon D-1581 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 901 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Server |
| Series | no data | Intel Xeon D |
| Power efficiency | no data | 12.17 |
| Architecture codename | SledgeHammer (2003−2005) | Broadwell (2015−2019) |
| Release date | February 2004 (20 years ago) | 24 February 2016 (8 years ago) |
Detailed specifications
Opteron 140 EE and Xeon D-1581 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 | 1 (Single-Core) | 16 (Hexadeca-Core) |
| Threads | 1 | 32 |
| Base clock speed | no data | 1.8 GHz |
| Boost clock speed | 1.4 GHz | 2.4 GHz |
| Bus type | no data | DMI 2.0 |
| Multiplier | no data | 18 |
| L1 cache | 128 KB | 64K (per core) |
| L2 cache | 1 MB | 256K (per core) |
| L3 cache | 0 KB | 1.5 MB (per core) |
| Chip lithography | 130 nm | 14 nm |
| Die size | 193 mm2 | 306.18 mm2 |
| Maximum case temperature (TCase) | no data | 80 °C |
| Number of transistors | 106 million | 3,200 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Opteron 140 EE and Xeon D-1581 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 | 1 (Uniprocessor) |
| Socket | 940 | FCBGA1667 |
| Power consumption (TDP) | 30 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Opteron 140 EE and Xeon D-1581. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® AVX2 |
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| GPIO | no data | + |
Security technologies
Opteron 140 EE and Xeon D-1581 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| Secure Key | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Opteron 140 EE and Xeon D-1581 are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Opteron 140 EE and Xeon D-1581. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR4, DDR3 |
| Maximum memory size | no data | 128 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 34.124 GB/s |
| ECC memory support | - | + |
Peripherals
Specifications and connection of peripherals supported by Opteron 140 EE and Xeon D-1581.
| PCIe version | no data | 2.0/3.0 |
| PCI Express lanes | no data | 24 |
| USB revision | no data | 2.0/3.0 |
| Total number of SATA ports | no data | 6 |
| Number of USB ports | no data | 8 |
| Integrated LAN | no data | + |
| UART | no data | + |
Pros & cons summary
| Physical cores | 1 | 16 |
| Threads | 1 | 32 |
| Chip lithography | 130 nm | 14 nm |
| Power consumption (TDP) | 30 Watt | 65 Watt |
Opteron 140 EE has 116.7% lower power consumption.
Xeon D-1581, on the other hand, has 1500% more physical cores and 3100% more threads, and a 828.6% more advanced lithography process.
We couldn't decide between Opteron 140 EE and Xeon D-1581. We've got no test results to judge.
Should you still have questions on choice between Opteron 140 EE and Xeon D-1581, ask them in Comments section, and we shall answer.
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