Xeon E7-2820 vs E5-2670 v3
Primary details
Comparing Xeon E5-2670 v3 and Xeon E7-2820 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 892 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 1.93 | no data |
| Market segment | Server | Server |
| Series | Intel Xeon E5 | Intel Xeon E7 |
| Power efficiency | 6.75 | no data |
| Architecture codename | Haswell-EP (2014−2015) | Westmere-EX (2011) |
| Release date | 8 September 2014 (10 years ago) | 3 April 2011 (13 years ago) |
| Launch price (MSRP) | $1,589 | $1,334 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Xeon E5-2670 v3 and Xeon E7-2820 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 | 12 (Dodeca-Core) | 8 (Octa-Core) |
| Threads | 24 | 16 |
| Base clock speed | 2.3 GHz | 2 GHz |
| Boost clock speed | 3.1 GHz | 2.27 GHz |
| Bus type | QPI | QPI |
| Bus rate | 2 × 9.6 GT/s | 5.86 GT/s |
| Multiplier | 23 | 15 |
| L1 cache | 64K (per core) | 64 KB (per core) |
| L2 cache | 256K (per core) | 256 KB (per core) |
| L3 cache | 30 MB (shared) | 18 MB (shared) |
| Chip lithography | 22 nm | 32 nm |
| Die size | 356 mm2 | 513 mm2 |
| Maximum core temperature | 85 °C | no data |
| Maximum case temperature (TCase) | no data | 64 °C |
| Number of transistors | 2,600 million | 2,600 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Xeon E5-2670 v3 and Xeon E7-2820 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 (Multiprocessor) | 2 (Multiprocessor) |
| Socket | FCLGA2011 | LGA1567 |
| Power consumption (TDP) | 120 Watt | 105 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E5-2670 v3 and Xeon E7-2820. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® AVX2 | Intel® SSE4.1, Intel® SSE4.2 |
| AES-NI | + | + |
| FMA | + | - |
| AVX | + | - |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | 2.0 | 1.0 |
| Hyper-Threading Technology | + | + |
| Idle States | + | no data |
| Thermal Monitoring | + | + |
| Flex Memory Access | - | no data |
| Demand Based Switching | + | no data |
| PAE | 46 Bit | no data |
Security technologies
Xeon E5-2670 v3 and Xeon E7-2820 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| Secure Key | + | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon E5-2670 v3 and Xeon E7-2820 are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon E5-2670 v3 and Xeon E7-2820. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-1600, DDR4-1866, DDR4-2133 | DDR3-800, DDR3-978, DDR3-1066, DDR3-1333, Speed-1066 |
| Maximum memory size | 768 GB | 1 TB |
| Max memory channels | 4 | 4 |
| Maximum memory bandwidth | 68 GB/s | 34.113 GB/s |
| ECC memory support | + | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | N/A |
Peripherals
Specifications and connection of peripherals supported by Xeon E5-2670 v3 and Xeon E7-2820.
| PCIe version | 3.0 | no data |
| PCI Express lanes | 40 | no data |
Pros & cons summary
| Recency | 8 September 2014 | 3 April 2011 |
| Physical cores | 12 | 8 |
| Threads | 24 | 16 |
| Chip lithography | 22 nm | 32 nm |
| Power consumption (TDP) | 120 Watt | 105 Watt |
Xeon E5-2670 v3 has an age advantage of 3 years, 50% more physical cores and 50% more threads, and a 45.5% more advanced lithography process.
Xeon E7-2820, on the other hand, has 14.3% lower power consumption.
We couldn't decide between Xeon E5-2670 v3 and Xeon E7-2820. We've got no test results to judge.
Should you still have questions on choice between Xeon E5-2670 v3 and Xeon E7-2820, ask them in Comments section, and we shall answer.
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