AMD A10-7850K

The AMD A10-7850K is a desktop APU from the Kaveri generation, built on the Steamroller architecture and manufactured on a 28 nm process at GlobalFoundries. It contains four Steamroller cores with four threads, a base clock of 3.70 GHz, a boost clock of 4.00 GHz, and an integrated Radeon R7 GPU. Its benchmark results place it in the 21st percentile among all CPUs, with an average benchmark score of 796, indicating performance well below the majority of desktop processors.

Benchmark Performance

The A10-7850K’s average benchmark score of 796 sits in a narrow band around its nearest rivals. The AMD A6-9400 scores 794, a 0.2% difference, and the AMD A10-5800B also scores 794, a 0.3% difference, meaning the A10-7850K is marginally ahead of both. The Intel Xeon E5530 and Intel Core i5-4210U each score 801, giving them a 0.6% advantage over the A10-7850K. These deltas are small enough that in practical terms the four processors are effectively interchangeable in raw throughput, though the A10-7850K holds a slight edge over the two AMD parts and a slight deficit against the two Intel parts.

In the Geekbench multicore test, the A10-7850K achieves 1139 points, while its single-core score is 453. The multicore result is substantially higher than the single-core figure, reflecting the processor’s ability to scale across its four cores. However, the absolute scores are low relative to modern desktop CPUs; the 21st percentile ranking underscores that this APU is not competitive with mainstream processors released later. The average score of 796 is consistent with the multicore and single-core results, though it is lower than the multicore score alone, indicating that the single-core performance pulls the overall average down. The proximity of the nearest rivals’ scores, all within 0.6% of each other, suggests that the A10-7850K occupies a performance tier where generational and architectural differences yield only negligible benchmark differences.

Single-Thread vs Multi-Thread Behavior

The Geekbench single-core score of 453 is less than half of the multicore score of 1139, a gap that highlights the A10-7850K’s design focus on multi-threaded throughput. The Steamroller architecture, with its four physical cores and no simultaneous multithreading, relies on core count rather than per-core efficiency. In lightly threaded workloads, such as typical office applications, web browsing, or legacy software, the single-core performance will be the limiting factor, and the low score means these tasks will feel sluggish compared to processors with higher single-thread throughput. Conversely, workloads that can utilize all four cores, such as video encoding, rendering, or scientific simulations that scale well, will benefit from the multicore capability. The multicore score of 1139, while modest by modern standards, is more than double the single-core score, indicating that the APU can deliver reasonable performance when thread parallelism is available. The 4 MB L2 cache and 256 KB L1 cache are sized to support the four cores, but the absence of an L3 cache means that data sharing between cores is handled through the L2, which can limit scaling in certain memory-intensive multi-threaded scenarios. For real-world use, the A10-7850K is better suited to multi-threaded batch tasks than to responsive single-threaded interaction.

Power and Thermals

The A10-7850K carries a TDP of 95 watts, a figure that places it in the mid-range power envelope for desktop processors. This TDP, combined with the 28 nm process node, implies that the APU requires a cooling solution rated for at least 95 W of thermal dissipation. A standard tower air cooler or a compact liquid cooler designed for this power class would be appropriate, though the integrated Radeon R7 GPU adds heat within the same package, so the cooling must handle the combined CPU and GPU thermal load. The die size of 245 mm² and transistor count of 2,411 million are typical for an APU of this era, and the 95 W TDP is consistent with the power draw of four Steamroller cores plus the integrated graphics. The unlocked multiplier allows for overclocking, which would increase power consumption beyond the rated TDP, so any overclocking would require a more robust cooling solution than what is needed for stock operation. The production status is end-of-life, meaning that thermal solutions and replacement parts may become harder to source, but for a system running at stock settings, a 95 W-class cooler remains sufficient.

Who Should Consider It

The A10-7850K is positioned for users who need a low-cost, low-power desktop solution with integrated graphics, but its benchmark scores indicate limited performance headroom. The 21st percentile ranking means that it outperforms only about one-fifth of all CPUs, so it is not suitable for demanding workloads such as modern gaming, heavy video editing, or professional 3D rendering. The integrated Radeon R7 GPU provides basic graphics capability, making the APU viable for everyday tasks like word processing, spreadsheets, email, and web browsing, provided the single-core performance is acceptable for these interactive uses. The multicore score of 1139 suggests that it can handle multi-threaded office applications, such as spreadsheet calculations or background processing, without major issues. For users who primarily run single-threaded software, the low single-core score of 453 will be a bottleneck, and a processor with higher per-core performance would be a better choice. The APU’s 4 GB of L2 cache and DDR3 memory support are adequate for light multitasking, but the lack of L3 cache and ECC memory support limits its appeal for server or reliability-critical environments. The unlocked multiplier offers some overclocking potential, which could slightly improve both single- and multi-threaded performance, but the gains would be modest given the already low baseline scores. Overall, the A10-7850K is best suited for basic office PCs, media centers, or as a budget platform where integrated graphics are a priority and the user accepts the low absolute performance.

Platform and Compatibility

The A10-7850K uses the AMD Socket FM2+, a platform that supports DDR3 memory without ECC. The memory controller is dual-channel, though the exact memory bandwidth is not specified; the APU’s integrated Radeon R7 GPU shares this memory, so the lack of a dedicated graphics memory can affect performance in graphics-intensive tasks. The PCIe implementation is Gen 3 with 16 lanes available from the CPU, which is sufficient for a single discrete graphics card, though the APU’s integrated graphics would be the primary display output in most configurations. The socket FM2+ is compatible with a range of AMD A-series and Athlon processors, but the production status of the A10-7850K is end-of-life, meaning that new motherboards with this socket are no longer being produced. This limits the upgrade path: users cannot move to a newer architecture without changing the motherboard and memory. The unlocked multiplier is a notable feature, allowing overclocking of the CPU cores and the integrated GPU, but the 28 nm process and 95 W TDP constrain the overclocking headroom. The part number AD785KXBI44JAAD785KXBJABOX indicates a boxed processor, but no launch MSRP is provided. For a system built today, the A10-7850K would be a legacy choice, and the lack of modern features such as PCIe Gen 4 or DDR4 memory support further limits its relevance. The 4 MB L2 cache and 256 KB L1 cache are the only cache levels present, which is a design choice that reduces die complexity but also reduces performance in cache-sensitive workloads. The integrated Radeon R7 GPU is a fixed part of the APU, and while it can handle basic display output and light 2D graphics, it is not designed for high-end gaming or compute tasks. Overall, the platform is best suited for users who already own an FM2+ motherboard and are looking for a low-cost APU replacement, or for those who require a compact system with integrated graphics and are willing to accept the performance limitations.