A6-6420K vs A8-7680

Primary details

Comparing A8-7680 and A6-6420K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1825	2460
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	15.78	no data
Market segment	Desktop processor	Desktop processor
Series	AMD A8	no data
Power efficiency	4.69	1.45
Architecture codename	Excavator (2017−2018)	Richland (2013−2014)
Release date	26 October 2018 (6 years ago)	January 2014 (10 years ago)
Launch price (MSRP)	$56	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

A8-7680 and A6-6420K 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	4 (Quad-Core)	2 (Dual-core)
Threads	4	2
Base clock speed	3.5 GHz	4 GHz
Boost clock speed	3.8 GHz	4.2 GHz
Multiplier	38	no data
L1 cache	128K (per core)	96 KB
L2 cache	1 MB (per core)	1024 KB
Chip lithography	28 nm	32 nm
Die size	246 mm2	246 mm2
Maximum core temperature	no data	70 °C
Maximum case temperature (TCase)	74 °C	70 °C
Number of transistors	1,178 million	1,303 million
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	+	+

Compatibility

Information on A8-7680 and A6-6420K 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	1	1
Socket	FM2+	FM2
Power consumption (TDP)	45 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A8-7680 and A6-6420K. You'll probably need this information if you require some particular technology.

AES-NI	+	+
FMA	-	+
AVX	+	+
PowerNow	-	+
PowerGating	-	+
VirusProtect	-	+

Virtualization technologies

Virtual machine speed-up technologies supported by A8-7680 and A6-6420K are enumerated here.

AMD-V	+	+
IOMMU 2.0	-	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by A8-7680 and A6-6420K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3-1866
Maximum memory size	64 GB	no data
Max memory channels	no data	2
Maximum memory bandwidth	14.936 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Radeon R7 Series	AMD Radeon HD 8470D
Number of pipelines	no data	192
Enduro	-	+
Switchable graphics	-	+
UVD	-	+

Graphics interfaces

Available interfaces and connections of A8-7680 and A6-6420K integrated GPUs.

DisplayPort	-	+
HDMI	-	+

Graphics API support

APIs supported by A8-7680 and A6-6420K integrated GPUs, sometimes API versions are included.

DirectX

no data

DirectX® 11

Peripherals

Specifications and connection of peripherals supported by A8-7680 and A6-6420K.

PCIe version

no data

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	2.24	1.00
Physical cores	4	2
Threads	4	2
Chip lithography	28 nm	32 nm
Power consumption (TDP)	45 Watt	65 Watt

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Should you still have questions on choice between A8-7680 and A6-6420K, ask them in Comments section, and we shall answer.

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