Opteron 6344 vs Xeon E5-2658
Aggregate performance score
Primary details
Comparing Xeon E5-2658 and Opteron 6344 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1473 | 1474 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.41 | 1.43 |
| Market segment | Server | Server |
| Power efficiency | 3.79 | 3.13 |
| Architecture codename | Sandy Bridge-EP (2012) | Abu Dhabi (2012) |
| Release date | 6 March 2012 (12 years ago) | 5 November 2012 (12 years ago) |
| Launch price (MSRP) | $1,462 | $415 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Opteron 6344 has 249% better value for money than Xeon E5-2658.
Detailed specifications
Xeon E5-2658 and Opteron 6344 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 | 8 (Octa-Core) | 12 (Dodeca-Core) |
| Threads | 16 | 12 |
| Base clock speed | 2.1 GHz | 2.6 GHz |
| Boost clock speed | 2.4 GHz | 3.2 GHz |
| L1 cache | 64 KB (per core) | 576 KB |
| L2 cache | 256 KB (per core) | 2 MB (per module) |
| L3 cache | 20480 KB (shared) | 8 MB (per die) |
| Chip lithography | 32 nm | 32 nm |
| Die size | 435 mm2 | 2x 315 mm2 |
| Maximum case temperature (TCase) | no data | 70 °C |
| Number of transistors | 2,270 million | 2,400 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Xeon E5-2658 and Opteron 6344 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 | 4 |
| Socket | 2011 | G34 |
| Power consumption (TDP) | 95 Watt | 115 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E5-2658 and Opteron 6344. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| FMA | - | + |
| AVX | + | - |
| Enhanced SpeedStep (EIST) | + | no data |
| Hyper-Threading Technology | + | no data |
Security technologies
Xeon E5-2658 and Opteron 6344 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon E5-2658 and Opteron 6344 are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon E5-2658 and Opteron 6344. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3 |
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 E5-2658 and Opteron 6344.
| PCIe version | 3.0 | 2.0 |
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. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
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 | 6 March 2012 | 5 November 2012 |
| Physical cores | 8 | 12 |
| Threads | 16 | 12 |
| Power consumption (TDP) | 95 Watt | 115 Watt |
Xeon E5-2658 has 33.3% more threads, and 21.1% lower power consumption.
Opteron 6344, on the other hand, has an age advantage of 7 months, and 50% more physical cores.
Given the minimal performance differences, no clear winner can be declared between Xeon E5-2658 and Opteron 6344.
Should you still have questions on choice between Xeon E5-2658 and Opteron 6344, ask them in Comments section, and we shall answer.
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