A6-6400K vs A6-9400

VS

Aggregate performance score

A6-9400
2019
2 cores / 2 threads, 65 Watt
1.71
+80%
A6-6400K
2013
2 cores / 2 threads, 65 Watt
0.95

A6-9400 outperforms A6-6400K by an impressive 80% based on our aggregate benchmark results.

Primary details

Comparing A6-9400 and A6-6400K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking20532519
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Seriesno dataAMD A-Series (Desktop)
Power efficiency2.491.38
Architecture codenameBristol Ridge (2016−2019)Richland (2013−2014)
Release date16 March 2019 (5 years ago)1 June 2013 (11 years ago)

Detailed specifications

A6-9400 and A6-6400K 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 speed3.4 GHz3.9 GHz
Boost clock speed3.7 GHz4.1 GHz
L1 cache160K96 KB
L2 cache1 MB (shared)1024 KB
L3 cacheno data0 KB
Chip lithography28 nm32 nm
Die size250 mm2246 mm2
Maximum core temperatureno data70 °C
Maximum case temperature (TCase)no data70 °C
Number of transistors3,100 million1,178 million
64 bit support++
Windows 11 compatibilityno data-
Unlocked multiplier-+

Compatibility

Information on A6-9400 and A6-6400K 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
SocketAM4FM2
Power consumption (TDP)65 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A6-9400 and A6-6400K. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataMMX, SSE1-4a, AES, ABM, AVX, BMI1, AMD64, VT, EVP, Turbo Core 3.0
AES-NI++
FMA+FMA4
AVX++
PowerNow-+
PowerGating-+
VirusProtect-+

Virtualization technologies

Virtual machine speed-up technologies supported by A6-9400 and A6-6400K are enumerated here.

AMD-V++
IOMMU 2.0-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by A6-9400 and A6-6400K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2400DDR3-1866
Max memory channelsno data2

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardRadeon R5AMD Radeon HD 8470D
จำนวนพาธไลน์no data192
Enduro-+
Switchable graphics-+
UVD-+
VCE-+

Graphics interfaces

Available interfaces and connections of A6-9400 and A6-6400K integrated GPUs.

DisplayPort-+
HDMI-+

Graphics API support

APIs supported by A6-9400 and A6-6400K integrated GPUs, sometimes API versions are included.

DirectXno dataDirectX® 11

Peripherals

Specifications and connection of peripherals supported by A6-9400 and A6-6400K.

PCIe version3.02.0
PCI Express lanes8no data

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.

A6-9400 1.71
+80%
A6-6400K 0.95

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.

A6-9400 2717
+80.9%
A6-6400K 1502

Gaming performance

Pros & cons summary


Performance score 1.71 0.95
Recency 16 March 2019 1 June 2013
Chip lithography 28 nm 32 nm

A6-9400 has a 80% higher aggregate performance score, an age advantage of 5 years, and a 14.3% more advanced lithography process.

The A6-9400 is our recommended choice as it beats the A6-6400K in performance tests.


Should you still have questions on choice between A6-9400 and A6-6400K, ask them in Comments section, and we shall answer.

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AMD A6-9400
A6-9400
AMD A6-6400K
A6-6400K

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Community ratings

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


2.7 26 votes

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Questions & comments

Here you can ask a question about A6-9400 or A6-6400K, agree or disagree with our judgements, or report an error or mismatch.