i7-990X vs Opteron 6386 SE
Aggregate performance score
Opteron 6386 SE outperforms Core i7-990X by a moderate 16% based on our aggregate benchmark results.
Primary details
Comparing Opteron 6386 SE and Core i7-990X processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1181 | 1302 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.45 | 0.21 |
| Market segment | Server | Desktop processor |
| Power efficiency | 3.53 | 3.28 |
| Architecture codename | Abu Dhabi (2012) | Gulftown (2010−2011) |
| Release date | 5 November 2012 (12 years ago) | 24 February 2011 (13 years ago) |
| Launch price (MSRP) | $2,408 | $1,104 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Opteron 6386 SE has 114% better value for money than i7-990X.
Detailed specifications
Opteron 6386 SE and Core i7-990X 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 | 16 (Hexadeca-Core) | 6 (Hexa-Core) |
| Threads | 16 | 12 |
| Base clock speed | 2.8 GHz | 3.46 GHz |
| Boost clock speed | 3.5 GHz | 3.73 GHz |
| Bus rate | no data | 6.4 GT/s |
| L1 cache | 768 KB | 64 KB (per core) |
| L2 cache | 16 MB | 256 KB (per core) |
| L3 cache | 8 MB (per die) | 12 MB (shared) |
| Chip lithography | 32 nm | 32 nm |
| Die size | 315 mm2 | 239 mm2 |
| Maximum core temperature | no data | 68 °C |
| Number of transistors | 2,400 million | 1,170 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | - | + |
Compatibility
Information on Opteron 6386 SE and Core i7-990X 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 | 4 | 1 |
| Socket | G34 | FCLGA1366,LGA1366 |
| Power consumption (TDP) | 140 Watt | 130 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Opteron 6386 SE and Core i7-990X. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.2 |
| AES-NI | + | + |
| FMA | + | - |
| AVX | + | - |
| Enhanced SpeedStep (EIST) | no data | + |
| Turbo Boost Technology | no data | 1.0 |
| Hyper-Threading Technology | no data | + |
| Idle States | no data | + |
| Demand Based Switching | no data | - |
| PAE | no data | 36 Bit |
Security technologies
Opteron 6386 SE and Core i7-990X technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | - |
| EDB | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Opteron 6386 SE and Core i7-990X are enumerated here.
| AMD-V | + | - |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Opteron 6386 SE and Core i7-990X. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3 |
| Maximum memory size | no data | 24 GB |
| Max memory channels | no data | 3 |
| Maximum memory bandwidth | no data | 25.6 GB/s |
Peripherals
Specifications and connection of peripherals supported by Opteron 6386 SE and Core i7-990X.
| PCIe version | 2.0 | 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
| Performance score | 5.42 | 4.68 |
| Recency | 5 November 2012 | 24 February 2011 |
| Physical cores | 16 | 6 |
| Threads | 16 | 12 |
| Power consumption (TDP) | 140 Watt | 130 Watt |
Opteron 6386 SE has a 15.8% higher aggregate performance score, an age advantage of 1 year, and 166.7% more physical cores and 33.3% more threads.
i7-990X, on the other hand, has 7.7% lower power consumption.
The Opteron 6386 SE is our recommended choice as it beats the Core i7-990X in performance tests.
Be aware that Opteron 6386 SE is a server/workstation processor while Core i7-990X is a desktop one.
Should you still have questions on choice between Opteron 6386 SE and Core i7-990X, ask them in Comments section, and we shall answer.
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