A9-9420 vs A6-5400K

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Aggregate performance score

A6-5400K
2012
2 cores / 2 threads, 65 Watt
0.80
A9-9420
2016
2 cores / 2 threads, 15 Watt
0.94
+17.5%

A9-9420 outperforms A6-5400K by a moderate 18% based on our aggregate benchmark results.

Primary details

Comparing A6-5400K and A9-9420 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking26172523
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Seriesno dataAMD Bristol Ridge
Power efficiency1.165.93
Architecture codenameTrinity (2012−2013)Stoney Ridge (2016−2019)
Release date2 October 2012 (12 years ago)31 May 2016 (8 years ago)

Detailed specifications

A6-5400K and A9-9420 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 cores2 (Dual-core)2 (Dual-core)
Threads22
Base clock speed3.6 GHz3 GHz
Boost clock speed3.8 GHz3.6 GHz
L1 cache128 KB (per core)160 KB
L2 cache1 MB (per core)1 MB (shared)
L3 cache0 KB0 KB
Chip lithography32 nm28 nm
Die size246 mm2125 mm2
Maximum core temperatureno data90 °C
Maximum case temperature (TCase)70 °C74 °C
Number of transistors1,178 million1,200 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-

Compatibility

Information on A6-5400K and A9-9420 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 configuration11
SocketFM2FT4
Power consumption (TDP)65 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A6-5400K and A9-9420. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataVirtualization,
AES-NI-+
FMA-+
AVX-+

Virtualization technologies

Virtual machine speed-up technologies supported by A6-5400K and A9-9420 are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by A6-5400K and A9-9420. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardRadeon HD 7540DRadeon R5

Peripherals

Specifications and connection of peripherals supported by A6-5400K and A9-9420.

PCIe versionno data3.0
PCI Express lanesno data8

Synthetic benchmark performance

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


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.

A6-5400K 0.80
A9-9420 0.94
+17.5%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

A6-5400K 1275
A9-9420 1500
+17.6%

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

A6-5400K 383
+17.8%
A9-9420 325

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

A6-5400K 516
+3.2%
A9-9420 500

Gaming performance

Pros & cons summary


Performance score 0.80 0.94
Recency 2 October 2012 31 May 2016
Chip lithography 32 nm 28 nm
Power consumption (TDP) 65 Watt 15 Watt

A9-9420 has a 17.5% higher aggregate performance score, an age advantage of 3 years, a 14.3% more advanced lithography process, and 333.3% lower power consumption.

The A9-9420 is our recommended choice as it beats the A6-5400K in performance tests.

Note that A6-5400K is a desktop processor while A9-9420 is a notebook one.


Should you still have questions on choice between A6-5400K and A9-9420, ask them in Comments section, and we shall answer.

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AMD A6-5400K
A6-5400K
AMD A9-9420
A9-9420

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


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Questions & comments

Here you can ask a question about A6-5400K or A9-9420, agree or disagree with our judgements, or report an error or mismatch.