A6-6420K: specs and benchmarks

Summary

AMD started A6-6420K sales on January 2014. This is a Richland architecture desktop processor primarily aimed at office systems. It has 2 cores and 2 threads, and is based on 32nm SOI manufacturing technology, with a max turbo frequency of 4200 MHz and an unlocked multiplier.

Compatibility-wise, this is FM2 processor with a TDP of 65 Watt and a maximum temperature of 70 °C. It supports DDR3-1866 memory.

Primary details

A6-6420K processor market type (desktop or notebook), architecture, sales start time and pricing.

Place in the ranking	2460
Place by popularity	not in top-100
Market segment	Desktop processor
Power efficiency	1.44	of 100.00 (Core Ultra 7 164U)
Architecture codename	Richland (2013−2014)
Release date	January 2014 (10 years ago)

Detailed specifications

Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.

Physical cores	2 (Dual-core)
Threads	2
Base clock speed	4 GHz	of 4.7 GHz (Ryzen 9 7900X)
Boost clock speed	4.2 GHz	of 6.2 GHz (Core i9-14900KS)
L1 cache	96 KB	of 80 KB (EPYC 9965)
L2 cache	1024 KB	of 2 MB (Xeon 6980P)
Chip lithography	32 nm	of 3 nm (Core Ultra 9 285K)
Die size	246 mm2
Maximum core temperature	70 °C	of 110 °C (Core Ultra 9 185H)
Maximum case temperature (TCase)	70 °C	of 105 °C (Core i7-5950HQ)
Number of transistors	1,303 million	of 135,240 million (EPYC 9684X)
64 bit support	+
Unlocked multiplier	+

Compatibility

Information on A6-6420K compatibility with other computer components and devices: 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	of 8 (Xeon Platinum 8454H)
Socket	FM2
Power consumption (TDP)	65 Watt	of 3100 ‑ 4500 (Ryzen 7 7435H)

Technologies and extensions

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

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

Virtualization technologies

Supported virtual machine optimization technologies. Some are specific to Intel only, some to AMD.

AMD-V	+
IOMMU 2.0	+

Memory specs

Types, maximum amount and channel number of RAM supported by A6-6420K's memory controller. Depending on the motherboard, higher memory frequency may be supported.

Supported memory types	DDR3-1866
Max memory channels	2	of 12 (Xeon Platinum 9221)

Graphics specifications

General parameters of a GPU integrated into A6-6420K.

Integrated graphics card	AMD Radeon HD 8470D
Number of pipelines	192
Enduro	+
Switchable graphics	+
UVD	+

Graphics interfaces

Available interfaces and connections of A6-6420K's integrated GPU.

DisplayPort	+
HDMI	+

Graphics API support

APIs supported by A6-6420K's integrated GPU, sometimes API versions are included.

DirectX

DirectX® 11

Peripherals

Specifications and connection types of supported peripherals.

PCIe version

2.0

of 5.0 (EPYC 9655P)

Benchmark performance

Single-core and multi-core benchmark results of A6-6420K. Overall benchmark performance 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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Closest competitors

A6-6420K's performance relative to its closest rivals among desktop CPUs.

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