Xeon E5-2670 v4 vs 2.66
Primary details
Comparing Xeon 2.66 and Xeon E5-2670 v4 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 | Server | Server |
| Series | no data | Intel Xeon E5 |
| Architecture codename | Prestonia (2002) | Broadwell (2015−2019) |
| Release date | November 2002 (22 years ago) | 20 June 2016 (8 years ago) |
Detailed specifications
Xeon 2.66 and Xeon E5-2670 v4 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 | 1 (Single-Core) | 14 (Tetradeca-Core) |
| Threads | 1 | 28 |
| Boost clock speed | 2.66 GHz | 3.1 GHz |
| Bus type | no data | QPI |
| Bus rate | no data | 2 × 9.6 GT/s |
| Multiplier | no data | 31 |
| L1 cache | 16 KB | no data |
| L2 cache | 512 KB | 3.5 MB |
| L3 cache | 0 KB | 35 MB |
| Chip lithography | 130 nm | 14 nm |
| Die size | 217 mm2 | 306.18 mm2 |
| Number of transistors | 55 million | 4700 Million |
| 64 bit support | - | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Xeon 2.66 and Xeon E5-2670 v4 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 | 2 (Multiprocessor) |
| Socket | 604 | no data |
| Power consumption (TDP) | 89 Watt | 120 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon 2.66 and Xeon E5-2670 v4. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
| TSX | - | + |
Security technologies
Xeon 2.66 and Xeon E5-2670 v4 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon 2.66 and Xeon E5-2670 v4. Depending on the motherboard, higher memory frequencies may be supported.
| Maximum memory size | no data | 1,536 GB |
Peripherals
Specifications and connection of peripherals supported by Xeon 2.66 and Xeon E5-2670 v4.
| PCIe version | no data | 3.0 |
| PCI Express lanes | no data | 40 |
Pros & cons summary
| Physical cores | 1 | 14 |
| Threads | 1 | 28 |
| Chip lithography | 130 nm | 14 nm |
| Power consumption (TDP) | 89 Watt | 120 Watt |
Xeon 2.66 has 34.8% lower power consumption.
Xeon E5-2670 v4, on the other hand, has 1300% more physical cores and 2700% more threads, and a 828.6% more advanced lithography process.
We couldn't decide between Xeon 2.66 and Xeon E5-2670 v4. We've got no test results to judge.
Should you still have questions on choice between Xeon 2.66 and Xeon E5-2670 v4, ask them in Comments section, and we shall answer.
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