FX-8120 vs i7-990X EE
Aggregate performance score
Primary details
Comparing Core i7-990X EE and FX-8120 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1391 | 1395 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Series | Core i7 (Desktop) | no data |
| Power efficiency | 3.04 | 3.14 |
| Architecture codename | Gulftown (2010−2011) | Zambezi (2011−2012) |
| Release date | no data | 12 October 2011 (13 years ago) |
Detailed specifications
Core i7-990X EE and FX-8120 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) | 8 (Octa-Core) |
| Threads | 12 | 8 |
| Base clock speed | no data | 3.1 GHz |
| Boost clock speed | 3.73 GHz | 4 GHz |
| Bus rate | 6400 MHz | no data |
| L1 cache | no data | 384 KB |
| L2 cache | no data | 8192 KB |
| L3 cache | no data | 8192 KB |
| Chip lithography | 32 nm | 32 nm |
| Die size | no data | 315 mm2 |
| Maximum core temperature | no data | 61 °C |
| Number of transistors | no data | 1,200 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | - | + |
| P0 Vcore voltage | no data | Min: 1.0125 V - Max: 1.4125 V |
Compatibility
Information on Core i7-990X EE and FX-8120 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 | no data | 1 |
| Socket | LGA-1366 | AM3+ |
| Power consumption (TDP) | 130 Watt | 125 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-990X EE and FX-8120. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| FMA | - | + |
| AVX | - | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-990X EE and FX-8120 are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-990X EE and FX-8120. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR3 |
Peripherals
Specifications and connection of peripherals supported by Core i7-990X EE and FX-8120.
| PCIe version | no data | n/a |
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 | 4.17 | 4.15 |
| Physical cores | 6 | 8 |
| Threads | 12 | 8 |
| Power consumption (TDP) | 130 Watt | 125 Watt |
i7-990X EE has a 0.5% higher aggregate performance score, and 50% more threads.
FX-8120, on the other hand, has 33.3% more physical cores, and 4% lower power consumption.
Given the minimal performance differences, no clear winner can be declared between Core i7-990X EE and FX-8120.
Should you still have questions on choice between Core i7-990X EE and FX-8120, ask them in Comments section, and we shall answer.
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