AMD A6-4455M

The AMD A6-4455M is a dual-core mobile processor from the Trinity generation, and its benchmark results place it firmly in the entry-level segment of its era. With an average benchmark score of 266, it sits at the 0th percentile of all CPUs, indicating that it is among the slowest processors in the database. The data shows a chip designed for basic productivity and light multimedia tasks, not for demanding workloads.

Benchmark Performance

The A6-4455M’s benchmark results are underwhelming even when compared directly to its nearest rivals. In Geekbench multicore testing, it scores 307 points, while its single-core score is 225. These figures translate to an average benchmark score of 266, which is nearly identical to the AMD Athlon 64 X2 5000+.

The comparison against the Athlon 64 X2 5000+ is stark. The A6-4455M’s average score of 266 is only 0.4% lower than the Athlon’s 267. This means that despite being released years later and featuring a modern architecture, the A6-4455M offers essentially no performance improvement over a legacy dual-core desktop part. This delta is negligible in real-world terms, making the two processors functionally equivalent in raw compute capability.

Against the Intel Celeron N2930, the A6-4455M falls behind by 11.6%. The Celeron’s average score of 301 is meaningfully higher, indicating that the Intel part handles multi-threaded workloads with greater ease. Similarly, the Intel Pentium E6300 outperforms the A6-4455M by 11.7%, with a score of 301. This consistent deficit of over 11% against two Intel rivals shows that the A6-4455M is not competitive even in its own performance class.

The most significant gap is against the AMD Athlon II X2 220. The Athlon II scores 303, which is 12.3% higher than the A6-4455M’s 266. This is the largest delta among the listed rivals, and it underscores the A6-4455M’s position at the very bottom of the performance hierarchy. The data indicates that in multi-core scenarios, the A6-4455M will feel noticeably slower than any of its direct competitors, with the Athlon II X2 220 delivering the most substantial advantage.

Who Should Consider It

Given the benchmark scores, the A6-4455M is only suitable for the most basic of computing tasks. Office workloads such as word processing, spreadsheet navigation, and email are within its capabilities, but even these will feel sluggish when multitasking. The dual-core, dual-thread design with a 2.10 GHz base clock and 2.60 GHz boost clock provides just enough compute power for light document editing, but the 225 single-core score means that even single-threaded applications will not respond with any urgency.

Gaming is not a realistic use case for this processor. The integrated Radeon HD 7500G graphics can output a display, but the CPU’s low multicore score of 307 will bottleneck any modern game. Users should not expect playable frame rates in any 3D title released after 2012. The processor is better suited to media playback, such as streaming video or playing local music files, where the low power draw is more valuable than raw performance.

Content creation is entirely out of scope. Video editing, 3D rendering, or large-scale photo manipulation require the multi-threaded performance that the A6-4455M lacks. The 11.6% deficit against the Celeron N2930 in average score confirms that even other low-power parts are better equipped for these tasks. The only users who should consider this chip are those with the absolute minimum requirements: web browsing, text editing, and legacy software.

Power and Thermals

The A6-4455M has a TDP of 17 watts, which classifies it as an ultra-low-power mobile processor. This TDP is the defining characteristic of the chip, as it allows for fanless or very quiet cooling solutions in thin-and-light laptops. The 17W envelope means that a simple passive cooler or a small low-profile fan is sufficient to manage thermals under sustained load.

This power class is a double-edged sword. On one hand, the low TDP enables longer battery life and cooler surface temperatures on the palm rest. On the other hand, the 17W limit directly constrains the clock speeds and core count, which explains why the processor only reaches a 2.60 GHz boost clock. The thermal headroom is simply too small to support higher frequencies or additional cores.

For a cooling solution, a basic notebook cooler with a single heat pipe is adequate. The 32nm process node from GlobalFoundries produces 1,303 million transistors on a 246 mm² die, but the power density is low enough that heat dissipation is not a concern. Users upgrading or replacing the thermal solution should prioritize low-noise fans over high-airflow designs, as the processor will never generate enough heat to require aggressive cooling.

Platform and Compatibility

The A6-4455M uses the AMD Socket FP2, which is a mobile-specific socket. This socket is not compatible with desktop motherboards, and the processor is permanently soldered or mounted in a proprietary module. The platform is based on the Piledriver architecture with the Trinity codename, supporting DDR3 memory in a dual-channel configuration.

Memory bandwidth is listed at 21.3 GB/s, which is modest by modern standards but sufficient for the processor’s compute capabilities. The dual-channel DDR3 support is standard for the era, but the lack of ECC memory support means this chip is not suitable for error-sensitive workstation tasks. The integrated memory controller operates at a speed that matches the CPU’s low-end positioning.

For expansion, the processor provides PCIe Gen 2 lanes. This is a limitation for adding discrete graphics or fast NVMe storage, as both would be bottlenecked by the older interface. The upgrade path is essentially nonexistent: users cannot swap this processor for a faster model without changing the entire motherboard and chassis. The Socket FP2 platform is a dead end, and any user needing more performance must replace the whole laptop.

FAQ

Q: What is the average benchmark score of the AMD A6-4455M?

A: The average benchmark score is 266, based on a Geekbench multicore score of 307 and a single-core score of 225.

Q: How does the A6-4455M compare to the Intel Celeron N2930?

A: The A6-4455M is 11.6% slower than the Celeron N2930, which holds an average score of 301.

Q: Does this processor support ECC memory?

A: No, ECC memory is not supported. The processor only supports standard DDR3 memory.

Q: What is the TDP of the A6-4455M?

A: The TDP is 17 watts, which is typical for an ultra-low-power mobile processor.

Q: What socket does the A6-4455M use?

A: It uses the AMD Socket FP2, which is exclusive to mobile platforms.

Q: Is the multiplier unlocked for overclocking?

A: No, the multiplier is locked, so the processor cannot be overclocked.

Single-Thread vs Multi-Thread Behavior

The Geekbench scores reveal a notable imbalance between single-threaded and multi-threaded performance. The single-core score of 225 is low, reflecting the modest 2.10 GHz base clock and the Piledriver architecture’s inefficiency per clock cycle. The multi-core score of 307 is only 36% higher than the single-core score, which is expected for a dual-core processor without SMT.

This split has practical implications. Single-threaded applications, such as older games or certain database queries, will perform poorly because they cannot leverage the second core. The 225 single-core score places the A6-4455M in the bottom tier of any CPU ranking. In contrast, multi-threaded workloads see a modest improvement, but the 307 multi-core score is still far below what modern dual-core processors achieve.

The delta between the two scores also indicates that the processor has no hidden multi-threading advantage. Many competing dual-core parts with four threads would show a larger multi-core gain, but the A6-4455M’s 2-thread limit caps its scaling. For users, this means that the processor is equally weak in both single-threaded and multi-threaded tasks, with no scenario where it punches above its weight class.

How It Compares

AMD Athlon 64 X2 5000+: The A6-4455M is essentially tied with this legacy desktop processor, trailing by only 0.4% in average score. This is a damning comparison, as the Athlon 64 X2 was released years earlier and uses a vastly older architecture. The data shows that the A6-4455M offers no generational improvement over this part, making it a poor choice for anyone seeking even modest performance gains.

Intel Celeron N2930: The A6-4455M falls 11.6% behind the Celeron N2930. While both are low-power mobile parts, the Celeron’s quad-core design gives it a clear advantage in multi-threaded workloads. The A6-4455M’s dual-core layout cannot compete, and users would notice the difference when running multiple applications or browser tabs simultaneously.

Intel Pentium E6300: The Pentium E6300 outperforms the A6-4455M by 11.7%. This is another desktop part that beats the mobile chip by a comfortable margin. The Pentium’s higher clock speed and more efficient core design are the likely reasons, though the benchmark data only shows the final scores. The A6-4455M is not competitive in any workload against this rival.

AMD Athlon II X2 220: The largest gap is against this AMD part, with the Athlon II X2 220 leading by 12.3%. This is the most definitive result in the comparison, showing that the A6-4455M is the weakest performer in its immediate competitive set. The Athlon II’s superior score of 303 makes it a clearly better option for any task that requires sustained CPU effort.