Xeon E5-1686 V3 vs i7-975 Extreme Edition
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Server |
| Series | Intel Core i7EE | no data |
| Designer | Intel | Intel |
| Manufacturer | no data | Intel |
| Architecture codename | Nehalem (2008−2010) | Haswell-EP (2014−2015) |
| Release date | 2 June 2009 (16 years ago) | 8 September 2014 (11 years ago) |
Detailed specifications
Core i7-975 Extreme Edition and Xeon E5-1686 V3 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 | 4 (Quad-Core) | 12 (Dodeca-Core) |
| Threads | 8 | 24 |
| Base clock speed | no data | 2.6 GHz |
| Boost clock speed | 3.33 GHz | 3.3 GHz |
| Bus type | QPI | no data |
| Bus rate | 6.4 GT/s | no data |
| Multiplier | 25 | no data |
| L1 cache | no data | 64K (per core) |
| L2 cache | 1 MB | 256K (per core) |
| L3 cache | 8 MB | 30 MB (shared) |
| Chip lithography | 45 nm | 22 nm |
| Die size | 263 mm2 | 356 mm2 |
| Number of transistors | 731 Million | 2,600 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Core i7-975 Extreme Edition and Xeon E5-1686 V3 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 (Uniprocessor) | 1 |
| Socket | no data | 2011-3 |
| Power consumption (TDP) | 130 Watt | 135 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-975 Extreme Edition and Xeon E5-1686 V3. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | + |
| TSX | - | + |
Security technologies
Core i7-975 Extreme Edition and Xeon E5-1686 V3 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-975 Extreme Edition and Xeon E5-1686 V3 are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-975 Extreme Edition and Xeon E5-1686 V3. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR4-2133 |
| Maximum memory size | 24 GB | no data |
Peripherals
Specifications and connection of peripherals supported by Core i7-975 Extreme Edition and Xeon E5-1686 V3.
| PCIe version | no data | 3.0 |
| PCI Express lanes | no data | 40 |
Pros & cons summary
| Recency | 2 June 2009 | 8 September 2014 |
| Physical cores | 4 | 12 |
| Threads | 8 | 24 |
| Chip lithography | 45 nm | 22 nm |
| Power consumption (TDP) | 130 Watt | 135 Watt |
i7-975 Extreme Edition has 3.8% lower power consumption.
Xeon E5-1686 V3, on the other hand, has an age advantage of 5 years, 200% more physical cores and 200% more threads, and a 104.5% more advanced lithography process.
We couldn't decide between Intel Core i7-975 Extreme Edition and Intel Xeon E5-1686 V3. We've got no test results to judge.
Note that Core i7-975 Extreme Edition is a desktop processor while Xeon E5-1686 V3 is a server/workstation one.
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