AMD A8-7650K vs AMD PRO A12-8870E Comparison

Head-to-Head Benchmarks

The recorded data shows a consistent pattern across all five shared Cinebench tests: the AMD A8-7650K leads the AMD PRO A12-8870E in every single measurement. This is not a narrow victory; it is a uniform sweep, with the A8-7650K winning all five head-to-head comparisons. The margin, however, is small in every case, hovering just above three percent.

Looking at the multicore results, the A8-7650K scores 266 in Cinebench R15 multicore, while the PRO A12-8870E trails at 257. That is a 3.4 percent deficit for the PRO chip. Moving to Cinebench R20 multicore, the A8-7650K again takes the lead with 1111 against 1074, a 3.3 percent gap. The Cinebench R23 multicore run repeats the story: 2647 for the A8-7650K versus 2558 for the PRO A12-8870E, another 3.4 percent difference. The consistency of these margins suggests the performance gap is structural rather than workload-specific.

Single-core results mirror the multicore trend. In Cinebench R20 single-core, the A8-7650K scores 156, the PRO A12-8870E scores 151, a 3.2 percent difference. Cinebench R23 single-core shows 373 versus 361, again a 3.2 percent gap. The fact that single-threaded and multi-threaded margins are nearly identical indicates the advantage comes from per-core efficiency or clock behavior, not from any scaling advantage.

What makes these numbers notable is how close the two processors are overall. The A8-7650K holds a lead, but the magnitude is modest. A 3.4 percent win in Cinebench R15 multicore means the PRO A12-8870E is not far behind. In a real-world workload, the difference would likely be imperceptible in many tasks. Yet the data is unambiguous: the A8-7650K wins every recorded benchmark between the two.

The average benchmark score in the database places the PRO A12-8870E at 880, while the A8-7650K sits at 860. This creates an interesting contradiction. The direct head-to-head tests favor the A8-7650K, but the aggregate average score across all recorded benchmarks favors the PRO A12-8870E by 20 points. The explanation lies in the benchmark sets. The PRO chip has only Cinebench results recorded, while the A8-7650K also includes Geekbench tests. The A8-7650K scores 1048 in Geekbench multicore and 421 in Geekbench single-core, and those additional data points pull its average down relative to the Cinebench-only profile of the PRO chip.

Neither processor ranks highly in the broader CPU landscape. Both sit at the 23rd percentile among all CPUs in the database. That places them in the same performance tier, far from modern high-end parts but capable for basic desktop workloads. The nearest rivals for the PRO A12-8870E include the AMD Ryzen 3 2300U with an identical average score of 880, and the Intel Core i3-1000NG4 at 881, a 0.1 percent difference. The A8-7650K’s nearest rivals include the Intel Core i7-4500U at 859 (0.1 percent ahead) and the Intel Xeon W3520 at 862 (0.2 percent behind). These comparisons reinforce the idea that both chips occupy a similar performance band.

The Verdict

The data points to a straightforward conclusion for anyone choosing between these two processors: the AMD A8-7650K is the faster chip in every direct benchmark recorded. Five out of five head-to-head tests go its way, with margins between 3.2 and 3.4 percent. If raw compute performance is the sole criterion, the A8-7650K is the pick.

However, the PRO A12-8870E has its own advantages that are not visible in benchmark scores alone. Its thermal design power is 35 watts, whereas the A8-7650K consumes 95 watts. That is a massive difference in power draw, and it carries implications for cooling requirements, system noise, and electricity usage. The PRO chip also uses a newer socket (AMD Socket AM4) and supports DDR4 memory, while the A8-7650K uses the older AMD Socket FM2+ and DDR3. For a new build, the AM4 platform offers a more modern foundation, even if the CPU itself is not faster.

The production status also differs. The PRO A12-8870E is listed as active, meaning it is still in production. The A8-7650K is end-of-life. For system integrators or buyers who need a reliable supply of new units, the PRO chip has a clear logistical advantage. The A8-7650K also has an unlocked multiplier, which suggests overclocking potential, but the database does not provide overclocked benchmark results. Without those numbers, any overclocking benefit remains speculative.

Who should pick which? A user building a low-power, modern-platform desktop with light computing needs would favor the PRO A12-8870E. A user who already owns an FM2+ motherboard and wants the best available performance from that socket would choose the A8-7650K. The A8-7650K wins on speed, but the PRO chip wins on efficiency and platform longevity. The choice depends entirely on which factor matters more.

Where Each One Wins

The A8-7650K wins in every measured performance category. All five Cinebench tests (R15 multicore, R20 multicore, R20 single-core, R23 multicore, R23 single-core) show the A8-7650K ahead. The largest margin is 3.4 percent in Cinebench R15 and R23 multicore; the smallest is 3.2 percent in the single-core tests. This makes the A8-7650K the clear choice for CPU-bound workloads like video rendering, 3D modeling, or any task that stresses the processor continuously.

The PRO A12-8870E wins in efficiency-focused scenarios. With a 35 watt TDP versus 95 watts, the PRO chip draws less than half the power. That makes it suitable for compact desktops, always-on systems, or environments where heat output is a concern. The PRO chip also benefits from DDR4 memory support, which offers higher bandwidth on paper (38.4 GB/s versus 34.1 GB/s for the A8-7650K). Although the A8-7650K has a 2 MB larger L2 cache (4 MB versus 2 MB), the PRO chip’s memory subsystem is more modern.

The A8-7650K also has a higher base clock (3.30 GHz versus 2.90 GHz) and a slightly higher boost clock (3.80 GHz versus 3.70 GHz). Those clock advantages likely explain its benchmark lead. The PRO chip counters with a smaller die size (250 mm² versus 245 mm² is actually larger, so this point favors the A8-7650K) and more transistors (3,100 million versus 2,411 million, which favors the PRO chip). The transistor count difference suggests the PRO chip packs more complexity into its die, possibly for integrated graphics or power management, but the benchmark results do not translate that into higher CPU scores.

For gaming or graphics tasks, both chips list Radeon R7 integrated graphics, but the database provides no GPU benchmark scores. Without such data, no claim can be made about which chip has better graphics performance.

FAQ

Q: Which processor is faster in multicore workloads?

A: The AMD A8-7650K wins all multicore tests. It scores 266 versus 257 in Cinebench R15, 1111 versus 1074 in Cinebench R20, and 2647 versus 2558 in Cinebench R23. The margin is consistently around 3.4 percent.

Q: Does the AMD PRO A12-8870E have any performance advantage?

A: In the recorded head-to-head benchmarks, no. The A8-7650K wins all five tests. However, the PRO chip has a higher average benchmark score (880 versus 860), which reflects differences in the benchmark sets rather than direct performance superiority.

Q: What is the biggest difference between these two chips?

A: The thermal design power. The PRO A12-8870E consumes 35 watts, while the A8-7650K consumes 95 watts. This makes the PRO chip far more power-efficient, even though it loses in raw speed.

Q: Can the AMD A8-7650K be overclocked?

A: Yes, the A8-7650K has an unlocked multiplier. The PRO A12-8870E does not. The database does not include overclocked benchmark results, so the potential gain is not quantified.

Q: Which chip supports newer memory technology?

A: The PRO A12-8870E supports DDR4, while the A8-7650K supports DDR3. The PRO chip also has a higher memory bandwidth rating at 38.4 GB/s versus 34.1 GB/s.

Q: Are these processors comparable in overall performance?

A: Yes. Both sit at the 23rd percentile among all CPUs in the database. The direct benchmark differences are small (3.2 to 3.4 percent), and their average scores are close (880 and 860), placing them in the same performance tier.

Architecture Differences

The two processors come from different AMD architectures. The PRO A12-8870E uses the Excavator architecture with the Carrizo codename, while the A8-7650K uses the Steamroller architecture with the Kaveri codename. Both are built on a 28 nm process at GlobalFoundries, but the transistor counts differ. The PRO chip has 3,100 million transistors on a 250 mm² die, while the A8-7650K has 2,411 million transistors on a 245 mm² die. The PRO chip packs roughly 29 percent more transistors into a slightly larger area, which suggests a more complex design.

The cache hierarchy also differs. The PRO A12-8870E has 320 KB of L1 cache and 2 MB of L2 cache. The A8-7650K has 256 KB of L1 cache and 4 MB of L2 cache. Neither chip has L3 cache. The A8-7650K’s larger L2 cache (double the size) may contribute to its benchmark lead, as more cache can reduce memory access latency for frequently used data.

Memory architecture diverges as well. The PRO chip supports DDR4 with a dual-channel bus and 38.4 GB/s bandwidth. The A8-7650K supports DDR3 with a dual-channel bus and 34.1 GB/s bandwidth. Both have ECC memory disabled. The PCIe implementation differs slightly: the PRO chip lists PCIe Gen 3, while the A8-7650K lists PCIe Gen 3 with 16 lanes (CPU only). The PRO chip’s listing does not specify lane counts.

The integrated graphics are both Radeon R7, but the database provides no GPU core counts or clock speeds for either. Both chips have four cores and four threads, so parallel thread handling is identical in theory. The differences in architecture, cache size, and memory support are the primary structural contrasts.

Specification Differences

The two processors differ in several key specifications. The base clock is 2.90 GHz for the PRO A12-8870E and 3.30 GHz for the A8-7650K, a 400 MHz advantage for the latter. The boost clock is 3.70 GHz for the PRO chip and 3.80 GHz for the A8-7650K, a smaller 100 MHz gap. The TDP difference is stark: 35 watts for the PRO chip versus 95 watts for the A8-7650K.

The sockets are incompatible. The PRO A12-8870E uses AMD Socket AM4, while the A8-7650K uses AMD Socket FM2+. This means they cannot be swapped into the same motherboard. The memory support follows the socket generation: DDR4 for the PRO chip, DDR3 for the A8-7650K. Memory bandwidth is 38.4 GB/s versus 34.1 GB/s.

Cache sizes differ as noted: 320 KB L1 and 2 MB L2 for the PRO chip; 256 KB L1 and 4 MB L2 for the A8-7650K. Neither has L3 cache. The transistor count is 3,100 million versus 2,411 million, and die size is 250 mm² versus 245 mm².

The multiplier is unlocked on the A8-7650K but locked on the PRO chip. Production status is active for the PRO chip and end-of-life for the A8-7650K. The A8-7650K has a recorded release date of January 6, 2015, while the PRO chip has no release date listed. The part numbers also differ, but those are identification details rather than performance factors. Both chips have four cores and four threads, both use dual-channel memory buses, both have ECC disabled, and both list Radeon R7 integrated graphics.