AMD A8-7650K vs AMD Ryzen 3 2300U Comparison

The Verdict

The recorded benchmark data presents a clear hierarchy between these two AMD processors. The AMD Ryzen 3 2300U wins all three head-to-head comparisons, with margins ranging from 58.8% to 113.2%. The A8-7650K does not secure a single victory in the shared tests. For users choosing between these specific parts, the Ryzen 3 2300U is the stronger performer across every measured workload.

The Ryzen 3 2300U is the appropriate selection for anyone prioritizing multi-threaded productivity and single-thread responsiveness. Its Geekbench multi-core score of 2234 more than doubles the A8-7650K's 1048, a 113.2% advantage. The Cinebench R15 multi-core result reinforces this, with the Ryzen 3 scoring 422.5 against 266 for the A8, a 58.8% gap. Even in single-core Geekbench, the Ryzen 3 leads by 86%, posting 783 versus 421.

The A8-7650K, while end-of-life and older, retains relevance only in systems already built around the AMD Socket FM2+ platform. Its 95-watt TDP and desktop market segment make it a less efficient choice for new builds. The data shows it trails in every shared benchmark, and its average benchmark score of 860 sits below the Ryzen 3's 880. Users with an existing FM2+ motherboard might consider the A8 for an upgrade path, but the performance data does not support choosing it over the Ryzen 3 in a fresh comparison.

The Ryzen 3 2300U also offers a more modern feature set: a 14 nm process node, DDR4 memory support, and a 15-watt TDP. The A8-7650K uses a 28 nm node, DDR3 memory, and consumes 95 watts. The efficiency difference is substantial, though power figures beyond the listed TDP are not available in the database.

FAQ

Q: Which processor has the higher multi-core performance in Geekbench?

A: The AMD Ryzen 3 2300U scores 2234, which is 113.2% higher than the AMD A8-7650K's 1048 in the Geekbench multi-core test.

Q: How do the two compare in Cinebench R15 multi-core?

A: The Ryzen 3 2300U scores 422.5, while the A8-7650K scores 266. This gives the Ryzen 3 a 58.8% advantage.

Q: What is the TDP difference between these two processors?

A: The Ryzen 3 2300U has a TDP of 15 watts, while the A8-7650K has a TDP of 95 watts. The Ryzen 3 is rated for significantly lower power consumption.

Q: Which processor has the higher single-core Geekbench score?

A: The Ryzen 3 2300U scores 783, which is 86% higher than the A8-7650K's 421 in the Geekbench single-core test.

Q: What are the memory types supported by each processor?

A: The Ryzen 3 2300U supports DDR4 memory, while the A8-7650K supports DDR3 memory. Both use a dual-channel memory bus.

Q: Which processor has a higher average benchmark score?

A: The Ryzen 3 2300U has an average benchmark score of 880, compared to the A8-7650K's 860. The Ryzen 3 also places in the 23rd percentile of all CPUs, matching the A8's percentile.

Architecture Differences

The Ryzen 3 2300U is built on the Zen architecture with the codename Raven Ridge, part of the Ryzen 3 generation. It uses a 14 nm process node at GlobalFoundries and contains 4,950 million transistors on a 210 mm² die. The A8-7650K uses the Steamroller architecture with the codename Kaveri, built on a 28 nm process node at the same foundry. It contains 2,411 million transistors on a larger 245 mm² die.

The cache layouts differ notably. The Ryzen 3 2300U has 96 KB of L1 cache per core and 512 KB of L2 cache per core, plus 4 MB of shared L3 cache. The A8-7650K has 256 KB of L1 cache and 4 MB of L2 cache, with no L3 cache listed. This architectural difference means the Ryzen 3 can distribute cache across cores more flexibly, while the A8 relies on a larger per-core L1 and unified L2.

The integrated graphics also differ. The Ryzen 3 2300U includes Radeon Vega 6 graphics, while the A8-7650K includes Radeon R7 graphics. The database does not provide direct graphics benchmark comparisons, but the Vega architecture in the Ryzen 3 is a newer design generation.

The Ryzen 3 2300U supports DDR4 memory with a bandwidth of 38.4 GB/s, while the A8-7650K supports DDR3 with 34.1 GB/s. Both use dual-channel memory buses. The Ryzen 3 offers 8 PCIe Gen 3 lanes from the CPU, while the A8-7650K offers 16 PCIe Gen 3 lanes.

The Ryzen 3 2300U is marked as a mobile processor with active production status, released in January 2018. The A8-7650K is a desktop processor with end-of-life production status, released in January 2015. The Ryzen 3 has a locked multiplier, while the A8-7650K has an unlocked multiplier for overclocking.

Specification Differences

The base clock differs significantly: the Ryzen 3 2300U runs at 2000.00 MHz, while the A8-7650K runs at 3.30 GHz. The boost clock also favors the A8, with 3.80 GHz versus the Ryzen 3's 3.40 GHz. Despite the lower clocks, the Ryzen 3 wins all benchmarks, indicating architectural efficiency gains.

The TDP difference is stark: 15 watts for the Ryzen 3 versus 95 watts for the A8-7650K. This makes the Ryzen 3 a far more power-efficient design for the performance delivered.

The sockets are incompatible: the Ryzen 3 uses AMD Socket FP5, while the A8-7650K uses AMD Socket FM2+. This prevents cross-platform upgrades without motherboard changes.

The process node differs: 14 nm for the Ryzen 3 versus 28 nm for the A8. This explains part of the efficiency gap.

The transistor count and die size also differ: 4,950 million transistors on 210 mm² for the Ryzen 3, versus 2,411 million on 245 mm² for the A8. The Ryzen 3 packs more transistors into a smaller die.

Memory support differs: DDR4 for the Ryzen 3 versus DDR3 for the A8. The memory bandwidth is 38.4 GB/s for the Ryzen 3 and 34.1 GB/s for the A8.

PCIe lanes differ: 8 lanes for the Ryzen 3 versus 16 lanes for the A8-7650K, both at Gen 3.

The market segment differs: mobile for the Ryzen 3, desktop for the A8. The production status differs: active for the Ryzen 3, end-of-life for the A8.

The multiplier is locked on the Ryzen 3 and unlocked on the A8-7650K.

Head-to-Head Benchmarks

The Cinebench R15 multi-core test shows the Ryzen 3 2300U scoring 422.5 against the A8-7650K's 266. This is a 58.8% advantage for the Ryzen 3. This test loads all four cores, and the result indicates that the Zen architecture's efficiency overcomes the A8's higher clock speeds.

The Geekbench multi-core test shows a larger margin. The Ryzen 3 scores 2234, while the A8 scores 1048. This 113.2% difference is the largest of any shared benchmark. The Ryzen 3 more than doubles the A8's multi-threaded score.

The Geekbench single-core test shows the Ryzen 3 scoring 783 against the A8's 421, an 86% advantage. This is notable because the A8 has a higher boost clock (3.80 GHz versus 3.40 GHz), yet still loses decisively in single-thread performance. The Zen architecture's instructions-per-clock advantage is evident here.

The A8-7650K does have additional benchmark records in the database that the Ryzen 3 lacks, including Cinebench R20 and R23 results. However, these cannot be directly compared because the Ryzen 3 has no corresponding scores. The available head-to-head data covers three tests, and the Ryzen 3 wins all three.

The benchmark scores align with the average benchmark results: the Ryzen 3 averages 880, while the A8 averages 860. Both processors sit in the 23rd percentile of all CPUs, indicating they are entry-level performers by current standards.

Where Each One Wins

The Ryzen 3 2300U wins in every measurable category from the head-to-head data. It leads in multi-core Cinebench, multi-core Geekbench, and single-core Geekbench. The largest advantage comes in Geekbench multi-core, where it more than doubles the A8's score. This makes it the clear choice for users running multi-threaded applications such as video encoding, 3D rendering, or compilation workloads, provided the mobile form factor is acceptable.

The Ryzen 3 also wins in single-core performance, which matters for everyday responsiveness, web browsing, and lightly threaded applications. The 86% single-core advantage suggests noticeably snappier performance in typical desktop tasks despite the lower clock speeds.

The Ryzen 3's efficiency profile, with a 15-watt TDP, makes it suitable for thin-and-light laptops and other power-constrained designs. Its active production status and DDR4 support mean it can be paired with current memory standards.

The A8-7650K does not win any head-to-head benchmark. Its only potential advantages are its unlocked multiplier for overclocking and its 16 PCIe Gen 3 lanes, which could matter for users with multiple expansion cards. Its desktop socket and higher TDP suggest it belongs in a stationary desktop system where power consumption is less critical.

For users building a new system, the data strongly favors the Ryzen 3 2300U. For users upgrading an existing FM2+ desktop, the A8-7650K might be a drop-in option, but the performance data shows it would lag behind the Ryzen 3 in every shared test. The A8's end-of-life status also limits long-term support.

The Ryzen 3 2300U's nearest rivals in the database include the AMD PRO A12-8870E with a matching average score of 880, and the Intel Core i3-1000NG4 at 881. The A8-7650K's nearest rivals include the Intel Core i7-4500U at 859 and the Intel Xeon W3520 at 862. These surrounding scores place both processors in a similar overall performance tier, but the direct comparison favors the Ryzen 3 decisively.