Xeon E7420 vs Opteron 6278

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Primary details

Comparing Opteron 6278 and Xeon E7420 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking882not rated
Place by popularitynot in top-100not in top-100
Market segmentServerServer
Power efficiency7.12no data
Architecture codenameInterlagos (2011−2012)no data
Release date1 May 2012 (12 years ago)1 July 2008 (16 years ago)

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 cores16 (Hexadeca-Core)no data
Threads16no data
Base clock speed2.4 GHz2.13 GHz
Boost clock speed3.3 GHzno data
L1 cache768 KBno data
L2 cache16 MBno data
L3 cache8 MB (per die)8 MB L2 Cache
Chip lithography32 nm45 nm
Die size316 mm2no data
Maximum core temperatureno data68 °C
Number of transistors2,400 millionno data
64 bit support++
Windows 11 compatibility--
VID voltage rangeno data0.9V-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 configuration4no data
SocketG34PGA604
Power consumption (TDP)115 Watt90 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+-
AVX+-
Enhanced SpeedStep (EIST)no data-
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data-
Idle Statesno data-
Demand Based Switchingno data+
FSB parityno data+

Security technologies

Opteron 6278 and Xeon E7420 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDBno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Opteron 6278 and Xeon E7420 are enumerated here.

AMD-V+-
VT-xno 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 typesDDR3no data

Peripherals

Specifications and connection of peripherals supported by Opteron 6278 and Xeon E7420.

PCIe version2.0no data

Pros & cons summary


Recency 1 May 2012 1 July 2008
Chip lithography 32 nm 45 nm
Power consumption (TDP) 115 Watt 90 Watt

Opteron 6278 has an age advantage of 3 years, 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 Opteron 6278 and Xeon E7420. We've got no test results to judge.


Should you still have questions on choice between Opteron 6278 and Xeon E7420, ask them in Comments section, and we shall answer.

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AMD Opteron 6278
Opteron 6278
Intel Xeon E7420
Xeon E7420

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Community ratings

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