FX-8170 vs Xeon E5-2666 V3
Primary details
Comparing Xeon E5-2666 V3 and FX-8170 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 779 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Desktop processor |
| Architecture codename | Haswell-EP (2014) | Zambezi (2011−2012) |
| Release date | 13 November 2014 (9 years ago) | 23 October 2012 (11 years ago) |
| Current price | $59 | no data |
Detailed specifications
Xeon E5-2666 V3 and FX-8170 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 | 10 (Deca-Core) | 8 (Octa-Core) |
| Threads | 20 | 8 |
| Base clock speed | 2.9 GHz | 3.9 GHz |
| Boost clock speed | 3.5 GHz | 4.5 GHz |
| L1 cache | 64K (per core) | 384 KB |
| L2 cache | 256K (per core) | 8 MB |
| L3 cache | 25 MB (shared) | 8 MB (shared) |
| Chip lithography | 22 nm | 32 nm |
| Die size | 356 mm2 | 315 mm2 |
| Number of transistors | 2,600 million | 1,200 million |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | - |
| Unlocked multiplier | No | Yes |
Compatibility
Information on Xeon E5-2666 V3 and FX-8170 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 | 1 |
| Socket | 2011-3 | AM3+ |
| Power consumption (TDP) | 135 Watt | 125 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E5-2666 V3 and FX-8170. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| FMA | no data | + |
| AVX | + | + |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | no data |
| TSX | + | no data |
Security technologies
Xeon E5-2666 V3 and FX-8170 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon E5-2666 V3 and FX-8170 are enumerated here.
| AMD-V | no data | + |
| VT-d | + | no data |
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon E5-2666 V3 and FX-8170. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3, DDR42133 MHz Quad-channel | DDR3 |
Peripherals
Specifications and connection of peripherals supported by Xeon E5-2666 V3 and FX-8170.
| PCIe version | 3.0 | 2.0 |
| PCI Express lanes | 40 | no data |
Pros & cons summary
| Recency | 13 November 2014 | 23 October 2012 |
| Physical cores | 10 | 8 |
| Threads | 20 | 8 |
| Chip lithography | 22 nm | 32 nm |
| Power consumption (TDP) | 135 Watt | 125 Watt |
We couldn't decide between Xeon E5-2666 V3 and FX-8170. We've got no test results to judge.
Be aware that Xeon E5-2666 V3 is a server/workstation processor while FX-8170 is a desktop one.
Should you still have questions on choice between Xeon E5-2666 V3 and FX-8170, ask them in Comments section, and we shall answer.
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