A8-7650K vs Opteron 6281

Primary details

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

Place in the ranking	1579	2259
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.27	0.31
Market segment	Server	Desktop processor
Series	no data	AMD A-Series (Desktop)
Power efficiency	1.35	0.79
Designer	AMD	AMD
Manufacturer	GlobalFoundries	GlobalFoundries
Architecture codename	Interlagos (2011−2012)	Kaveri (2014−2015)
Release date	1 May 2012 (13 years ago)	7 January 2015 (11 years ago)
Launch price (MSRP)	$988	$152

Cost-effectiveness evaluation

Performance per price, higher is better.

A8-7650K has 15% better value for money than Opteron 6281.

Performance to price scatter graph

Detailed specifications

Opteron 6281 and A8-7650K 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	2.5 GHz	3.3 GHz
Boost clock speed	3.2 GHz	3.8 GHz
L1 cache	768 KB	256 KB
L2 cache	2 MB (per module)	4096 KB
L3 cache	8 MB (per die)	no data
Chip lithography	32 nm	28 nm
Die size	2x 315 mm2	245 mm2
Maximum core temperature	no data	72 °C
Number of transistors	2,400 million	2,411 million
64 bit support	+	+
Windows 11 compatibility	no data	-
Unlocked multiplier	-	+

Compatibility

Information on Opteron 6281 and A8-7650K 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	1
Socket	G34	FM2+
Power consumption (TDP)	130 Watt	95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Opteron 6281 and A8-7650K. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	SSE1-4a, AVX, AES, FMA4, VT
AES-NI	+	+
FMA	+	+
AVX	-	+
FRTC	-	+
FreeSync	-	+
DualGraphics	-	+
TrueAudio	-	+
PowerNow	-	+
PowerGating	-	+
Out-of-band client management	-	+
VirusProtect	-	+
HSA	-	+

Virtualization technologies

Virtual machine speed-up technologies supported by Opteron 6281 and A8-7650K are enumerated here.

AMD-V	+	+
IOMMU 2.0	-	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Opteron 6281 and A8-7650K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3-2133
Max memory channels	no data	2

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	N/A	AMD Radeon R7 Graphics
iGPU core count	no data	6
จำนวนพาธไลน์	no data	384
Enduro	-	+
Switchable graphics	-	+
UVD	-	+
VCE	-	+

Graphics interfaces

Available interfaces and connections of Opteron 6281 and A8-7650K integrated GPUs.

DisplayPort	-	+
HDMI	-	+

Graphics API support

APIs supported by Opteron 6281 and A8-7650K integrated GPUs, sometimes API versions are included.

DirectX	no data	DirectX® 12
Vulkan	-	+

Peripherals

Specifications and connection of peripherals supported by Opteron 6281 and A8-7650K.

PCIe version	2.0	3.0
PCI Express lanes	no data	16

Synthetic benchmarks

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.

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Pros & cons summary

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Performance score	4.16	1.78
Recency	1 May 2012	7 January 2015
Physical cores	16	4
Threads	16	4
Chip lithography	32 nm	28 nm
Power consumption (TDP)	130 Watt	95 Watt