AMD A4-3305M

The AMD A4-3305M is a dual-core mobile processor from AMD’s Llano generation, built on the K10 architecture and produced on a 32 nm process node. It operates at a base clock of 1900.00 MHz with a boost clock of 2.50 GHz, drawing a TDP of 35 watts, and features integrated Radeon HD 6480G graphics. With a percentile rank of 50 among all CPUs and an average benchmark score of 0, this part sits squarely in the middle of the performance distribution, though its legacy status and limited thread count shape its real-world capabilities.

Benchmark Performance

The AMD A4-3305M’s benchmark data is minimal—its average benchmark score is recorded as 0, and the nearestRivals list is empty. This means there are no direct percentage deltas to report against competing processors from the FACT PACK. Instead, the percentileVsAllCpus field provides the only comparative anchor: a percentile of 50 indicates that the A4-3305M performs better than exactly half of all CPUs in the database, and worse than the other half. This places it at the median, which is a meaningful but broad statement—it is neither a low-end outlier nor a high-performance part.

Given the specifications, the score of 0 likely reflects a lack of submitted benchmarks rather than a literal zero-performance result. The processor has 2 cores and 2 threads, which fundamentally limits its multi-threaded throughput. In single-threaded tasks, the boost clock of 2.50 GHz helps, but the K10 architecture is older, and the 32 nm process node is not competitive with later designs. The data shows that without rival scores, any precise performance ranking is impossible; the percentile of 50 is the only quantitative comparison available.

The absence of memory bandwidth figures and PCIe details in the FACT PACK further restricts analysis. What is clear is that the A4-3305M’s performance envelope is modest by modern standards. Its dual-core, dual-thread configuration means that heavily threaded workloads will see minimal scaling. The integrated Radeon HD 6480G provides some graphical capability, but no benchmark scores for that GPU are listed. Overall, the benchmark picture is one of a middling, end-of-life mobile chip whose performance data is too sparse for meaningful percentage-based comparisons.

Who Should Consider It

Workload-based recommendations must rely on the limited facts available. The A4-3305M has 2 cores and 2 threads, which makes it suitable for basic office tasks—word processing, spreadsheet work, and light web browsing—where single-threaded performance matters more than core count. The base clock of 1900.00 MHz and boost of 2.50 GHz are adequate for such activities, and the 35 W TDP suggests it was designed for thin-and-light laptops where battery life and heat are concerns.

For gaming, the integrated Radeon HD 6480G offers some capability, but without any benchmark scores for the GPU or the CPU, the data cannot confirm playable frame rates. The dual-core design will struggle with modern games that expect four or more threads. Creation workloads, such as video editing or 3D rendering, are poor fits—these tasks scale with cores, and the A4-3305M only has two. The lack of L3 cache (the FACT PACK lists l3 as null) further hampers memory-intensive creation tasks.

The median percentile of 50 suggests that this processor is not a performance leader but also not a bottom-tier part. Users who need a basic machine for email, document editing, and streaming video might find it sufficient, provided their software is not demanding. However, the end-of-life production status means it is no longer a new purchase option; it would only appear in used or refurbished laptops. The memory support is DDR3 dual-channel, which is older but functional for light use. In essence, this is a processor for casual, single-task usage, not for concurrent heavy workloads.

Platform and Compatibility

The AMD A4-3305M uses the AMD Socket FS1, a socket designed for mobile Llano processors. This socket is specific to laptops and is not compatible with desktop platforms, limiting upgrade options to other FS1 chips. The architecture is K10 with the codename Llano, and the generation is listed as A4 (Llano). The process node is 32 nm, with 1,178 million transistors on a 228 mm² die.

Memory support is DDR3 with a dual-channel memory bus. The FACT PACK does not list a memory bandwidth figure, so no quantitative throughput can be cited. ECC memory is not supported, which is typical for consumer mobile parts. The PCIe details are listed as null, so no expansion slot information is available. The integrated graphics, Radeon HD 6480G, shares the system memory, but again, no bandwidth numbers exist.

Upgrade path is constrained: Socket FS1 was used only in the Llano generation, so any replacement CPU would also be a Llano part. The multiplier is not unlocked, meaning overclocking is not an option. The part number is AM3305DDX22GX, and the release date is 2011-06-13. The production status is end-of-life, confirming that no new units are being manufactured. For a user with an old FS1 laptop, the A4-3305M is a functional but aging choice; there is no path to a modern CPU without changing the entire platform.

FAQ

Q: What is the clock speed of the AMD A4-3305M?

A: The base clock is 1900.00 MHz, and the boost clock is 2.50 GHz.

Q: How many cores and threads does this processor have?

A: It has 2 cores and 2 threads.

Q: Does it support ECC memory?

A: No, ECC memory is not supported.

Q: What socket does the A4-3305M use?

A: It uses the AMD Socket FS1.

Q: Is the multiplier unlocked for overclocking?

A: No, the multiplier is not unlocked.

Q: What integrated graphics does it include?

A: The integrated graphics are Radeon HD 6480G.

Q: What is the TDP of this processor?

A: The TDP is 35 watts.

How It Compares

Since the nearestRivals list is empty, there are no direct rival processors to compare against. The FACT PACK provides no names, scores, or deltaPct values for competitors. The only comparative metric is the percentileVsAllCpus of 50, which places the A4-3305M at the median of all CPUs in the database. This is a broad positioning statement: half of all recorded processors perform better, and half perform worse. Without specific rival data, no percentage deltas can be computed.

In the absence of rivals, the comparison must be qualitative. The dual-core, dual-thread design is typical of entry-level mobile chips from its era, but later processors with more cores and newer architectures would outperform it. The 32 nm process node is older than subsequent nodes, and the lack of L3 cache is a notable disadvantage in cache-sensitive workloads. The integrated Radeon HD 6480G is a generation-old GPU, but again, no benchmarks exist to quantify its performance against integrated graphics from other vendors.

The production status of end-of-life means it is not competing in the current market; any comparison would be historical. The release date of 2011-06-13 places it over a decade old, so modern equivalents are not in the FACT PACK. Thus, the A4-3305M stands alone in the data, defined only by its percentile.

Single-Thread vs Multi-Thread Behavior

The A4-3305M has 2 cores and 2 threads, meaning there is no hyper-threading or equivalent to increase logical processors beyond the physical count. This is a critical limitation for multi-threaded workloads. In multi-threaded tasks, the processor can only execute two threads simultaneously, so performance will be roughly half that of a quad-core part at the same clock speed. The boost clock of 2.50 GHz applies to single-threaded bursts, but with only two threads, the multi-threaded ceiling is low.

For single-threaded performance, the K10 architecture and 2.50 GHz boost are the key factors. The base clock of 1900.00 MHz is the sustained speed, and the boost provides a headroom for short bursts. The lack of L3 cache (listed as null) means that the L2 cache, at 512 KB per core, must handle all cache traffic; this can increase latency in workloads with large working sets. The 32 nm process node is not efficient by today’s standards, but it does not directly affect thread behavior.

The percentile of 50 suggests that the A4-3305M is average overall, but this average is likely skewed by single-threaded performance. Multi-threaded scores would be dragged down by the 2-thread limit, while single-threaded tasks could benefit from the boost clock. Real-world usage patterns matter: office apps that are mostly single-threaded will see reasonable performance, while video encoding or compilation, which scale across cores, will expose the thread deficit. The data indicates a processor that handles one task at a time well but struggles when asked to juggle many concurrent threads.