AMD A6-6400K vs AMD A9-9420

Compare AMD A6-Series APU for Desktops 1 core CPU vs AMD A9-Series APU for Laptops 2 core processor, specs and benchmark score. Which is the better CPU for gaming?

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Price

The cheapest price from our partner retailers

$ 75.00
$ 120.00 significantly less expensive
$ 195.00

Benchmark Score

Overall Score

A combined score of all workloads

811 points
17% slightly better overall score
692 points

Gaming Score

The raw gaming performance with a fast GPU

1725 points
12% slightly better gaming score
1528 points

Multitasking Score

Performance in workloads using up to 8 cores

592 points
20% slightly better multitasking score
492 points

Heavy Workload Score

Performance in workloads using up to 16 cores

570 points
20% slightly better heavy workload score
472 points

Free CPU Benchmark

Want to compare your processor against the A6-6400K and the A9-9420? Download our free and quick PC Performance Test.

Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

11.64 points
58% significantly higher Blender score
7.36 points
Geekbench 5 (multi) score

Geekbench 5 (multi) score

Multi threaded benchmark

728 points
45% significantly higher Geekbench 5 (multi) score
500 points
Geekbench 5 (single) score

Geekbench 5 (single) score

Single threaded benchmark

452 points
39% slightly higher Geekbench 5 (single) score
325 points

Specifications

Cores

Number of physical processing units

1
2
100% significantly more cores

Threads

Number of logical processing units

2
Identical
2

Clock Speed

Base frequency at which the chip operates

3.9 GHz
30% slightly higher clock speed
3 GHz

Turbo Speed

Higher frequency used for heavy workloads

4.1 GHz
13% slightly higher turbo speed
3.6 GHz

TDP

Thermal Design Power: Measure of heat generated by the CPU

65 W
15 W
333% significantly lower TDP

L2 Cache

Secondary embedded memory, slower than L1 cache

1 MiB
Identical
1 MiB

Other details

Rank

Ranking in the hardwareDB database

1,001st of 1,089
1,031st of 1,089

Family

The product line

A6-Series APU for Desktops
A9-Series APU for Laptops

Release date

The official date of release of this chip

2013 June
-

Memory Type

The type of memory used by this chip

DDR3
DDR4

Is Unlocked

Can this CPU can be overclocked

Yes
No

A6-6400K vs A9-9420 specs and performance

Our benchmark analysis concludes that the A6-6400K performs better than the A9-9420. Furthermore, our gaming benchmark shows that it also outperforms the A9-9420 in all gaming tests too.

In terms of the number of cores of each of these CPUs, the A9-9420 has significantly more cores than the A6-6400K. Indeed, the A9-9420 has 2 cores compared to 1 cores found in the A6-6400K. But they both have the same number of threads. These CPUs have different clock speeds. Indeed, the A6-6400K has a slightly higher clock speed compared to the A9-9420. The data shows that both these CPUs have same sized L2 caches

Modern CPUs generally have more logical cores than physical cores, this means that each core is split into multiple virtual cores, improving efficiency for parallel workloads. Indeed, the A6-6400K has more threads than cores. Each physical core is split into multiple threads.

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