AMD Ryzen 7 5800 vs AMD Ryzen AI 5 PRO 340 Comparison

The AMD Ryzen AI 5 PRO 340 and AMD Ryzen 7 5800 represent two very different design philosophies from the same manufacturer, one aimed at efficient mobile computing and the other at desktop performance. The data shows a clear split: the Ryzen 7 5800 dominates multi-threaded and compute-heavy workloads, while the Ryzen AI 5 PRO 340 counters with a notable single-thread advantage. This comparison highlights how architecture, core count, and power targets dictate real-world performance.

Head-to-Head Benchmarks

The Ryzen 7 5800 wins 13 of the 15 direct comparisons, and the margins are often substantial. The largest gap appears in Cinebench R23 multi-core, where the Ryzen 7 5800 scores 21953 against 11534 for the Ryzen AI 5 PRO 340, a 47.5% advantage. This is a massive lead and directly reflects the desktop chip’s 8 cores and 16 threads versus the mobile chip’s 6 cores and 12 threads. Similarly, in Cinebench R15 multi-core, the Ryzen 7 5800 leads with 2212 versus 1743, a 21.2% difference.

The desktop processor also wins decisively in Cinebench R23 single-core, scoring 3099 versus 1802, a 41.9% advantage. This is notable because single-core performance is often where newer architectures close the gap on older ones, but the Ryzen 7 5800’s higher boost clock of 4.60 GHz and Zen 3 architecture appear to carry it ahead. The Cinebench R15 single-core result follows the same pattern: 312 versus 276, an 11.5% win for the Ryzen 7 5800.

PassMark results reinforce the Ryzen 7 5800’s dominance in compute tasks. Data encryption shows a 44% lead (20021 versus 11212), prime number finding shows a 32.7% lead (110 versus 74), and integer math shows a 31.9% lead (92843 versus 63233). Floating point math also goes to the Ryzen 7 5800 by 23.1% (51588 versus 39662). Data compression, a common proxy for general productivity, favors the Ryzen 7 5800 by 30% (316429 versus 221581). Even in random string sorting, the desktop chip wins by 26.3% (32998 versus 24334). Extended instructions, which can reflect newer ISA support, still favor the Ryzen 7 5800 by 26.2% (21297 versus 15721).

The Ryzen AI 5 PRO 340’s only wins come in PassMark single-thread tests, where it scores 3758 against 3393, a 10.8% advantage. This appears twice in the data, listed as both passmark_single_thread and passmark_singlethread, confirming the result. This is a meaningful victory, as it shows the Zen 5 architecture in the mobile chip delivers superior per-core throughput despite running at a lower boost clock of 4.80 GHz versus 4.60 GHz. The physics test is the closest overall, with the Ryzen 7 5800 winning by just 5% (1141 versus 1084).

Looking at aggregate scores, the Ryzen AI 5 PRO 340 has an average benchmark score of 27932, while the Ryzen 7 5800 sits at 27535. The Ryzen AI 5 PRO 340 ranks at the 80th percentile against all CPUs, slightly above the Ryzen 7 5800’s 79th percentile. Both chips are comparable to similar-tier rivals: the Ryzen AI 5 PRO 340 is within 0.3% of the Intel Core i9-12900H and 0.2% of the Intel Core i9-10900K, while the Ryzen 7 5800 sits within 0.4% of the AMD Ryzen 5 7600X and 0.2% of the Intel Core i5-12600K.

Where Each One Wins

The Ryzen 7 5800 is the clear choice for multi-threaded, compute-heavy workloads. The 47.5% lead in Cinebench R23 multi-core makes it well suited for video rendering, 3D modeling, and other tasks that scale with core count. Its 44% lead in data encryption suggests strong performance in security-related workloads, and the 31.9% lead in integer math points to solid general-purpose number crunching. The 30% lead in data compression makes it a better option for file archiving and database-style tasks. Users who run long, parallel jobs will see the benefit of the 8-core, 16-thread configuration and the 65 W TDP that allows sustained performance.

The Ryzen AI 5 PRO 340 wins in single-threaded workloads, as shown by its 10.8% lead in PassMark single-thread testing. This suggests better responsiveness in lightly threaded applications such as everyday desktop use, some productivity software, and older games that rely on one or two fast cores. The Zen 5 architecture, built on a 4 nm process, appears to deliver higher instructions per clock. However, this advantage does not carry over to Cinebench single-core tests, where the Ryzen 7 5800 wins by 41.9% in R23 and 11.5% in R15, so the practical single-thread lead may be workload-specific.

The mobile chip also benefits from efficiency. Its 28 W TDP, versus 65 W for the desktop part, makes it better suited for laptops and other power-constrained environments. The integrated Radeon 840M graphics mean it can handle display output and light graphical tasks without a discrete GPU, while the Ryzen 7 5800 has no integrated graphics and requires a separate card.

Architecture Differences

The two processors come from different generations and design targets. The Ryzen AI 5 PRO 340 uses the Zen 5 architecture, codenamed Krackan Point, and is part of the Ryzen AI PRO 300 generation, which combines Zen 5 and Zen 5c cores. It is built on a 4 nm process at TSMC and has a die size of 195 mm². The Ryzen 7 5800 uses the older Zen 3 architecture, codenamed Vermeer, on a 7 nm process at TSMC, with a die size of 74 mm² and 4,150 million transistors.

Core and cache configurations differ significantly. The Ryzen AI 5 PRO 340 has 6 cores and 12 threads, with 80 KB of L1 cache per core, 1 MB of L2 cache per core, and 8 MB of L3 cache. The Ryzen 7 5800 has 8 cores and 16 threads, with 64 KB of L1 per core, 512 KB of L2 per core, and a much larger 32 MB of shared L3 cache. The larger L3 cache on the Ryzen 7 5800 is a key advantage for workloads that repeatedly access the same data.

Memory support also differs. The Ryzen AI 5 PRO 340 supports DDR5 and LPDDR5X memory with a bandwidth of 89.6 GB/s, while the Ryzen 7 5800 supports DDR4 with a bandwidth of 51.2 GB/s. Both use dual-channel memory buses and support ECC memory. The mobile chip uses AMD Socket FP8, while the desktop chip uses AMD Socket AM4.

Other differences include PCIe lanes: the Ryzen AI 5 PRO 340 has Gen 4 with 16 CPU-only lanes, while the Ryzen 7 5800 has Gen 4 with 20 CPU-only lanes. The Ryzen AI 5 PRO 340 has integrated Radeon 840M graphics, whereas the Ryzen 7 5800 has none. The Ryzen 7 5800 has an unlocked multiplier for overclocking, while the Ryzen AI 5 PRO 340 does not. The Ryzen AI 5 PRO 340 was released on January 5, 2025, while the Ryzen 7 5800 came out on January 11, 2021.

FAQ

Q: Which processor is faster in multi-core workloads?

A: The AMD Ryzen 7 5800 wins all multi-core benchmarks, with a 47.5% lead in Cinebench R23 multi-core (21953 versus 11534) and a 25.6% lead in PassMark multithread (25823 versus 19215).

Q: Does the newer Ryzen AI 5 PRO 340 have better single-core performance?

A: It wins PassMark single-thread tests by 10.8% (3758 versus 3393), but the Ryzen 7 5800 wins Cinebench R23 single-core by 41.9% (3099 versus 1802) and Cinebench R15 single-core by 11.5% (312 versus 276).

Q: Which processor has more cores and threads?

A: The AMD Ryzen 7 5800 has 8 cores and 16 threads, while the AMD Ryzen AI 5 PRO 340 has 6 cores and 12 threads.

Q: What are the differences in memory support?

A: The Ryzen AI 5 PRO 340 supports DDR5 and LPDDR5X with 89.6 GB/s bandwidth, while the Ryzen 7 5800 supports DDR4 with 51.2 GB/s bandwidth. Both are dual-channel and support ECC memory.

Q: Does the Ryzen AI 5 PRO 340 have integrated graphics?

A: Yes, it includes Radeon 840M graphics. The Ryzen 7 5800 has no integrated graphics and requires a discrete GPU.

Q: Which chip is more power-efficient?

A: The Ryzen AI 5 PRO 340 has a 28 W TDP, while the Ryzen 7 5800 has a 65 W TDP, making the mobile chip more suitable for power-constrained systems.

The Verdict

The data supports a straightforward recommendation. The AMD Ryzen 7 5800 is the better choice for users building a desktop system focused on raw performance, especially for multi-threaded tasks like rendering, compression, and encryption, where it leads by 21% to 47.5% across various benchmarks. Its 8-core, 16-thread configuration, larger 32 MB L3 cache, and higher 65 W power envelope deliver consistently higher scores in almost every test. The unlocked multiplier also allows overclocking for those who want to push further.

The AMD Ryzen AI 5 PRO 340 makes sense for mobile or compact systems where power efficiency and integrated graphics matter. Its 28 W TDP and Radeon 840M graphics eliminate the need for a separate GPU, and its 10.8% single-thread lead in PassMark shows the Zen 5 architecture is competitive per core. However, the multi-core deficit is too large to recommend it for heavy compute workloads. The overall percentile rankings are close (80th versus 79th), but the benchmark pattern is clear: the Ryzen 7 5800 is the performance king, while the Ryzen AI 5 PRO 340 trades that away for efficiency and portability.

Specification Differences

| Specification | AMD Ryzen AI 5 PRO 340 | AMD Ryzen 7 5800 |

|---|---|---|

| Cores | 6 | 8 |

| Threads | 12 | 16 |

| Base Clock | 2.00 GHz | 3.40 GHz |

| Boost Clock | 4.80 GHz | 4.60 GHz |

| TDP | 28 W | 65 W |

| Socket | AMD Socket FP8 | AMD Socket AM4 |

| Architecture | Zen 5 | Zen 3 |

| Codename | Krackan Point | Vermeer |

| Process Node | 4 nm | 7 nm |

| Die Size | 195 mm² | 74 mm² |

| Transistors | Not listed | 4,150 million |

| L1 Cache | 80 KB (per core) | 64 KB (per core) |

| L2 Cache | 1 MB (per core) | 512 KB (per core) |

| L3 Cache | 8 MB | 32 MB (shared) |

| Memory Support | DDR5, LPDDR5X | DDR4 |

| Memory Bandwidth | 89.6 GB/s | 51.2 GB/s |

| PCIe | Gen 4, 16 Lanes (CPU only) | Gen 4, 20 Lanes (CPU only) |

| Integrated Graphics | Radeon 840M | None |

| Multiplier Unlocked | No | Yes |

| Release Date | 2025-01-05 | 2021-01-11 |