Opteron 6278 vs Opteron 6274

Primary details

Comparing Opteron 6274 and Opteron 6278 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1523	880
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.56	no data
Market segment	Server	Server
Power efficiency	2.91	7.08
Architecture codename	Interlagos (2011−2012)	Interlagos (2011−2012)
Release date	14 November 2011 (13 years ago)	1 May 2012 (12 years ago)
Launch price (MSRP)	$909	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Opteron 6274 and Opteron 6278 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)	16 (Hexadeca-Core)
Threads	16	16
Base clock speed	2.2 GHz	2.4 GHz
Boost clock speed	3.1 GHz	3.3 GHz
L1 cache	768 KB (shared)	768 KB
L2 cache	8.00391 MB (per core)	16 MB
L3 cache	16 MB	8 MB (per die)
Chip lithography	32 nm	32 nm
Die size	316 mm2	316 mm2
Number of transistors	2,400 million	2,400 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Opteron 6274 and Opteron 6278 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	4
Socket	G34	G34
Power consumption (TDP)	115 Watt	115 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Opteron 6274 and Opteron 6278. You'll probably need this information if you require some particular technology.

AES-NI	+	+
FMA	+	+
AVX	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Opteron 6274 and Opteron 6278 are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Opteron 6274 and Opteron 6278. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR3

DDR3

Peripherals

Specifications and connection of peripherals supported by Opteron 6274 and Opteron 6278.

PCIe version

2.0

2.0

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

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Pros & cons summary

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Performance score	3.55	8.65
Recency	14 November 2011	1 May 2012

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Should you still have questions on choice between Opteron 6274 and Opteron 6278, ask them in Comments section, and we shall answer.

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