i7-3910K vs FX-8140
Primary details
Comparing FX-8140 and Core i7-3910K processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1624 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | 3.05 | no data |
| Architecture codename | Zambezi (2011−2012) | Sandy Bridge-E (2011−2013) |
| Release date | 23 October 2012 (12 years ago) | 24 July 2013 (11 years ago) |
Detailed specifications
FX-8140 and Core i7-3910K 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) | 6 (Hexa-Core) |
| Threads | 8 | 12 |
| Base clock speed | 3.2 GHz | 3 GHz |
| Boost clock speed | 4.1 GHz | 3.6 GHz |
| L1 cache | 384 KB | 64 KB (per core) |
| L2 cache | 8 MB | 256 KB (per core) |
| L3 cache | 8 MB (shared) | 12 MB (shared) |
| Chip lithography | 32 nm | 32 nm |
| Die size | 315 mm2 | 435 mm2 |
| Maximum case temperature (TCase) | no data | 67 °C |
| Number of transistors | 1,200 million | 2,270 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | + |
Compatibility
Information on FX-8140 and Core i7-3910K 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 |
| Socket | AM3+ | 2011 |
| Power consumption (TDP) | 95 Watt | 130 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by FX-8140 and Core i7-3910K. 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 | + |
Virtualization technologies
Virtual machine speed-up technologies supported by FX-8140 and Core i7-3910K are enumerated here.
| AMD-V | + | - |
| VT-d | no data | + |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by FX-8140 and Core i7-3910K. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3 |
Peripherals
Specifications and connection of peripherals supported by FX-8140 and Core i7-3910K.
| PCIe version | 2.0 | 3.0 |
Pros & cons summary
| Recency | 23 October 2012 | 24 July 2013 |
| Physical cores | 8 | 6 |
| Threads | 8 | 12 |
| Power consumption (TDP) | 95 Watt | 130 Watt |
FX-8140 has 33.3% more physical cores, and 36.8% lower power consumption.
i7-3910K, on the other hand, has an age advantage of 9 months, and 50% more threads.
We couldn't decide between FX-8140 and Core i7-3910K. We've got no test results to judge.
Should you still have questions on choice between FX-8140 and Core i7-3910K, ask them in Comments section, and we shall answer.
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