AMD A6-5400K

The AMD A6-5400K is a dual-core desktop processor built on the Piledriver architecture, part of the Trinity family. It runs at a base clock of 3.60 GHz and a boost clock of 3.80 GHz, with an unlocked multiplier for overclocking. The chip integrates a Radeon HD 7540D GPU and fits the AMD Socket FM2. Its benchmark results place it in the 7th percentile of all CPUs, with an average score of 447 across tested workloads.

Benchmark Performance

The Geekbench results show a multi-core score of 510 and a single-core score of 384. The average benchmark score of 447 sits between these two figures, reflecting the weighted mix of workloads. The multi-core result is noticeably higher than the single-core number, which is typical for a dual-core processor with two independent cores rather than simultaneous multithreading. The 7th percentile ranking indicates that the A6-5400K outperforms only a small fraction of all CPUs in the database, placing it firmly in the entry-level segment.

Against its nearest rivals, the A6-5400K trails each one by a small margin. The Intel Celeron G1620T posts an average score of 448, which is 0.1% higher than the A6-5400K’s 447. The AMD A10-5745M and AMD A4-5300B both average 449, with deltas of -0.3% and -0.4% respectively. The Intel Core i3-540 averages 451, a 0.9% lead over the A6-5400K. These differences are minimal, meaning the A6-5400K performs essentially on par with its closest competitors in overall benchmark terms. However, the multi-core score of 510 is higher than the average, suggesting that applications that scale across both cores can extract more performance than the average score implies. The single-core score of 384 drags the average down, and that low per-thread result is the primary reason the processor sits near the bottom of the percentile distribution.

Power and Thermals

The A6-5400K has a TDP of 65 W, a common figure for a dual-core desktop chip with integrated graphics. This power envelope is modest by modern standards, but it was typical for its generation. The processor is built on a 32 nm process node from GlobalFoundries, with a die size of 246 mm² and 1,303 million transistors. The integrated Radeon HD 7540D GPU shares the same 65 W thermal budget, meaning the CPU and GPU together stay within that limit under typical loads. For cooling, a standard desktop air cooler designed for a 65 W TDP class is sufficient; the chip does not require exotic cooling solutions. The end-of-life status and 2012 release date indicate that this is an older part, but its power characteristics remain straightforward for basic builds.

Single-Thread vs Multi-Thread Behavior

The single-core Geekbench score of 384 is the lower of the two results, indicating weak per-thread performance. This is a critical limitation for workloads that depend on a single thread, such as older games, certain legacy applications, or lightly threaded productivity software. The multi-core score of 510 is about a third higher than the single-core figure, showing that the two physical cores provide a meaningful uplift when both are utilized. Because the processor has exactly two cores and two threads, there is no hyper-threading to simulate additional logical cores. As a result, multi-threaded scaling is limited to two threads, and the absolute multi-core performance remains modest. In practice, this means the A6-5400K handles dual-threaded tasks reasonably well, but it will struggle with modern applications that expect more than two threads or high per-core throughput. The gap between the two scores suggests that the architecture favors multi-threaded execution over single-thread responsiveness, but the low absolute numbers in both categories place it at the entry level.

How It Compares

Intel Celeron G1620T — The Celeron G1620T averages 448, just 0.1% higher than the A6-5400K’s 447. The two are effectively tied in overall benchmark performance. The A6-5400K offers an integrated GPU, which the Celeron may lack, but the raw CPU scores are nearly identical.

AMD A10-5745M — The A10-5745M averages 449, a 0.3% lead over the A6-5400K. Despite being a mobile-oriented part, the A10-5745M edges out the A6-5400K by a hair. Both share the Piledriver architecture, but the A6-5400K’s desktop positioning does not translate into a meaningful performance advantage.

AMD A4-5300B — The A4-5300B also averages 449, with a delta of -0.4% relative to the A6-5400K. The two are nearly indistinguishable in benchmark terms. The A6-5400K has a higher base and boost clock (3.60/3.80 GHz) than the A4-5300B, but the benchmark results show no significant separation.

Intel Core i3-540 — The Core i3-540 averages 451, 0.9% ahead of the A6-5400K. This is the largest gap among the nearest rivals, yet still a small margin. The i3-540 is an older dual-core with hyper-threading, but the A6-5400K’s higher clocks help it stay close in overall score. The A6-5400K trails, but not by a large margin.

FAQ

Q: What is the TDP of the AMD A6-5400K?

A: The TDP is 65 W.

Q: Does the A6-5400K support ECC memory?

A: No, ECC memory is not supported.

Q: What is the memory bandwidth of the A6-5400K?

A: The memory bandwidth is 29.9 GB/s, using dual-channel DDR3.

Q: Is the multiplier unlocked on the A6-5400K?

A: Yes, the multiplier is unlocked.

Q: What integrated graphics does the A6-5400K include?

A: It includes a Radeon HD 7540D GPU.

Q: What socket does the A6-5400K use?

A: It uses the AMD Socket FM2.

Who Should Consider It

The A6-5400K is suited for basic desktop tasks that do not demand high single-thread or multi-thread performance. With a single-core score of 384 and a multi-core score of 510, it can handle office productivity, web browsing, and light document editing. The integrated Radeon HD 7540D GPU provides basic display output and can drive simple multimedia playback, though it is not intended for gaming or GPU-accelerated workloads. The 7th percentile ranking makes clear that this processor is far below the performance of contemporary chips, so it is only appropriate for entry-level builds, legacy systems, or as a low-power secondary machine. Users who rely on heavily threaded applications, modern games, or content creation will find the performance insufficient. The 65 W TDP and unlocked multiplier make it easy to install and potentially overclock, but the underlying architecture limits the practical gains. In short, the A6-5400K is a viable option only for very light workloads where cost and simplicity outweigh performance needs.