Opteron 6281 vs Xeon E3-1271 v3
Aggregate performance score
Xeon E3-1271 v3 outperforms Opteron 6281 by a minimal 3% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1404 | 1437 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 0.87 |
| Market segment | Server | Server |
| Power efficiency | 5.64 | 3.36 |
| Designer | Intel | AMD |
| Manufacturer | no data | GlobalFoundries |
| Architecture codename | no data | Interlagos (2011−2012) |
| Release date | 1 April 2014 (11 years ago) | 1 May 2012 (13 years ago) |
| Launch price (MSRP) | no data | $988 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Xeon E3-1271 v3 and Opteron 6281 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) | 16 (Hexadeca-Core) |
| Threads | 8 | 16 |
| Base clock speed | 3.6 GHz | 2.5 GHz |
| Boost clock speed | 4 GHz | 3.2 GHz |
| Bus rate | 5 GT/s | no data |
| L1 cache | no data | 768 KB |
| L2 cache | no data | 2 MB (per module) |
| L3 cache | 8 MB Intel® Smart Cache | 8 MB (per die) |
| Chip lithography | 22 nm | 32 nm |
| Die size | no data | 2x 315 mm2 |
| Number of transistors | no data | 2,400 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Xeon E3-1271 v3 and Opteron 6281 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 | 4 |
| Socket | FCLGA1150 | G34 |
| Power consumption (TDP) | 80 Watt | 130 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E3-1271 v3 and Opteron 6281. 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 | + | + |
| FMA | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| TSX | + | - |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Flex Memory Access | + | no data |
| SIPP | + | - |
| Fast Memory Access | + | no data |
Security technologies
Xeon E3-1271 v3 and Opteron 6281 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
| Secure Key | + | no data |
| Identity Protection | + | - |
| OS Guard | + | no data |
| Anti-Theft | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon E3-1271 v3 and Opteron 6281 are enumerated here.
| AMD-V | - | + |
| VT-d | + | no data |
| VT-x | + | no data |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon E3-1271 v3 and Opteron 6281. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3L-1333, DDR3L-1600 | DDR3 |
| Maximum memory size | 32 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 25.6 GB/s | no data |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | N/A |
Peripherals
Specifications and connection of peripherals supported by Xeon E3-1271 v3 and Opteron 6281.
| PCIe version | 3.0 | 2.0 |
| PCI Express lanes | 16 | 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.
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. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Performance score | 4.68 | 4.53 |
| Recency | 1 April 2014 | 1 May 2012 |
| Physical cores | 4 | 16 |
| Threads | 8 | 16 |
| Chip lithography | 22 nm | 32 nm |
| Power consumption (TDP) | 80 Watt | 130 Watt |
Xeon E3-1271 v3 has a 3.3% higher aggregate performance score, an age advantage of 1 year, a 45.5% more advanced lithography process, and 62.5% lower power consumption.
Opteron 6281, on the other hand, has 300% more physical cores and 100% more threads.
Given the minimal performance differences, no clear winner can be declared between Intel Xeon E3-1271 v3 and AMD Opteron 6281.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
