Xeon E7420 vs Opteron 6278
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1088 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.94 | no data |
| Market segment | Server | Server |
| Power efficiency | 7.26 | no data |
| Designer | AMD | Intel |
| Manufacturer | GlobalFoundries | Intel |
| Architecture codename | Interlagos (2011−2012) | Dunnington (2008) |
| Release date | 1 May 2012 (13 years ago) | 15 September 2008 (17 years ago) |
| Launch price (MSRP) | $988 | $1,177 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Opteron 6278 and Xeon E7420 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 | 16 (Hexadeca-Core) | 4 (Quad-Core) |
| Threads | 16 | 4 |
| Base clock speed | 2.4 GHz | 2.13 GHz |
| Boost clock speed | 3.3 GHz | 0.13 GHz |
| L1 cache | 768 KB | 64 KB (per core) |
| L2 cache | 2 MB (per module) | 3 MB (per module) |
| L3 cache | 8 MB (per die) | 8 MB (shared) |
| Chip lithography | 32 nm | 45 nm |
| Die size | 2x 315 mm2 | 503 mm2 |
| Maximum case temperature (TCase) | no data | 64 °C |
| Number of transistors | 2,400 million | 1,900 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | no data | 0.9V-1.45V |
Compatibility
Information on Opteron 6278 and Xeon E7420 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 | 4 | 4 |
| Socket | G34 | PGA604 |
| Power consumption (TDP) | 115 Watt | 90 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Opteron 6278 and Xeon E7420. You'll probably need this information if you require some particular technology.
| AES-NI | + | - |
| FMA | + | - |
| Enhanced SpeedStep (EIST) | no data | - |
| Turbo Boost Technology | no data | - |
| Hyper-Threading Technology | no data | - |
| Idle States | no data | - |
| Demand Based Switching | no data | + |
| FSB parity | no data | + |
Security technologies
Opteron 6278 and Xeon E7420 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Opteron 6278 and Xeon E7420 are enumerated here.
| AMD-V | + | - |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Opteron 6278 and Xeon E7420. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR2, DDR3 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | On certain motherboards (Chipset feature) |
Peripherals
Specifications and connection of peripherals supported by Opteron 6278 and Xeon E7420.
| PCIe version | 2.0 | no data |
Pros & cons summary
| Recency | 1 May 2012 | 15 September 2008 |
| Physical cores | 16 | 4 |
| Threads | 16 | 4 |
| Chip lithography | 32 nm | 45 nm |
| Power consumption (TDP) | 115 Watt | 90 Watt |
Opteron 6278 has an age advantage of 3 years, 300% more physical cores and 300% more threads, and a 40.6% more advanced lithography process.
Xeon E7420, on the other hand, has 27.8% lower power consumption.
We couldn't decide between AMD Opteron 6278 and Intel Xeon E7420. We've got no test results to judge.
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