AMD Ryzen 5 PRO 5655G vs AMD Ryzen AI 5 430 Comparison

Head-to-Head Benchmarks

The recorded data shows a decisive overall victory for the AMD Ryzen 5 PRO 5655G, which takes 11 of the 15 head-to-head tests, while the AMD Ryzen AI 5 430 wins the remaining 4. The margin of victory, however, varies dramatically by workload type, revealing two very different performance profiles.

The largest single win for the Ryzen 5 PRO 5655G comes in Cinebench R23 multi-core, where it scores 17,249 points against 8,130 for the Ryzen AI 5 430, a delta of 112.2%. This is more than double the output, indicating a substantial advantage in heavily threaded rendering workloads. The gap is also extreme in PassMark data encryption, with the PRO 5655G posting 15,253 versus 7,591, a 100.9% lead. Integer math shows a 70.4% advantage (67,561 vs 39,637), and data compression results in a 60.8% edge (255,608 vs 158,912). These are all multi-threaded or throughput-oriented tests where the PRO 5655G's six-core, twelve-thread configuration simply overwhelms the four-core, eight-thread Ryzen AI 5 430.

Other notable wins for the PRO 5655G include extended instructions (17,944 vs 11,455, up 56.6%), random string sorting (25,253 vs 16,623, up 51.9%), and multithread performance (19,129 vs 13,320, up 43.6%). Floating point math also favors the PRO 5655G by 42.1% (38,649 vs 27,193). Cinebench R15 multi-core shows a 45.4% lead (1,738 vs 1,195), and even the prime number finding test, which is often sensitive to single-core speed, goes to the PRO 5655G by 11.4% (49 vs 44).

The Ryzen AI 5 430 counters with wins in three distinct areas. The largest margin is in PassMark single-thread, where it scores 3,683 versus 3,241, a 12% advantage. This same result appears under both the single_thread and singlethread test names. The AI 5 430 also wins Cinebench R15 single-core by 8.9% (269 vs 245), and PassMark physics by 5.5% (726 vs 686). These wins are consistent: the Ryzen AI 5 430 has a clear edge in lightly threaded, latency-sensitive tasks, but the PRO 5655G dominates everything that scales with core count.

The average benchmark score difference is also telling. The PRO 5655G averages 28,032 across all recorded tests, while the AI 5 430 averages 19,617, a gap of roughly 43%. The PRO 5655G sits at the 80th percentile among all CPUs, whereas the AI 5 430 is at the 73rd percentile. The nearest rival data reinforces this positioning: the PRO 5655G trades blows with the AMD Ryzen 5 PRO 8500GE (-0.1%), Intel Core i9-12900H (+0.1%), and Intel Core i5-14500T (-0.1%), while the AI 5 430 sits alongside the AMD Ryzen 5 5500 (+0.1%), Intel Core i5-12500 (-0.3%), and Intel Core i5-11600KF (-0.5%).

Architecture Differences

The two processors come from completely different design generations and target different market segments. The Ryzen 5 PRO 5655G uses the Zen 3 architecture on the Cezanne codename, built on TSMC's 7 nm process node with 10,700 million transistors and a die size of 180 mm². It is a desktop part using AMD Socket AM4 and belongs to the 5000 series. In contrast, the Ryzen AI 5 430 uses a hybrid Zen 5 / Zen 5c configuration under the Gorgon Point codename, built on TSMC's 4 nm process node. It is a mobile part using AMD Socket FP8 and belongs to the Ryzen AI 400 generation.

Core counts differ significantly: the PRO 5655G has 6 cores and 12 threads, while the AI 5 430 has 4 cores and 8 threads. Clock behavior also diverges. The PRO 5655G has a base clock of 3.90 GHz and a boost clock of 4.40 GHz, with a 65 W TDP. The AI 5 430 has a much lower base clock of 2.00 GHz but a higher boost clock of 4.50 GHz, with a 28 W TDP. This explains the single-core advantage of the AI 5 430: it can turbo higher on a per-core basis, but its lower base clock and fewer cores limit sustained multi-core throughput.

Cache hierarchies are notably different. The PRO 5655G provides 64 KB of L1 per core, 512 KB of L2 per core, and 16 MB of shared L3. The AI 5 430 offers 80 KB of L1 per core and 1 MB of L2 per core, but only 4 MB of L3. The larger L3 on the PRO 5655G likely contributes to its strong performance in data compression and random string sorting, where larger working sets can fit in cache.

Memory support is another major split. The PRO 5655G uses DDR4 with dual-channel access and 51.2 GB/s of memory bandwidth. The AI 5 430 supports DDR5 and LPDDR5X, also dual-channel, but with 89.6 GB/s of bandwidth, a 75% increase. Both support ECC memory. The AI 5 430 also has a newer PCIe interface: Gen 4 with 14 lanes (CPU only), versus Gen 3 with 16 lanes on the PRO 5655G.

Integrated graphics differ as well. The PRO 5655G uses Radeon Vega 7, while the AI 5 430 uses Radeon 840M. The database does not include graphics benchmark data, so any comparison must be qualitative. The AI 5 430's newer architecture and higher memory bandwidth suggest better iGPU potential, but no recorded measurements confirm this.

Release timelines place these parts far apart. The PRO 5655G was released on May 6, 2024, and the AI 5 430 on January 4, 2026, both currently active in production. Neither has a launch MSRP listed in the database.

Where Each One Wins

The benchmark evidence points to a clear workload split. The Ryzen 5 PRO 5655G is the choice for any multi-threaded or throughput-intensive application. Cinebench R23 multi-core, with a 112.2% lead, makes this obvious: rendering, video encoding, and 3D simulation workloads will run roughly twice as fast on the PRO 5655G. The 100.9% encryption advantage and 70.4% integer math lead further confirm its strength in data processing, compression, and cryptographic workloads. The 60.8% compression win and 56.6% extended instructions win also favor the PRO 5655G for database operations, scientific computing, and any task that leverages SIMD or specialized instruction sets.

The Ryzen AI 5 430 wins where single-thread responsiveness matters most. Its 12% lead in PassMark single-thread and 8.9% lead in Cinebench R15 single-core indicate faster per-core execution, which benefits interactive applications, UI responsiveness, and lightly threaded legacy software. The 5.5% win in PassMark physics is interesting, as physics simulations often rely on a mix of single-thread and modest multi-thread scaling; the AI 5 430 apparently handles that mix better.

The power envelope is a decisive differentiator. The AI 5 430 has a 28 W TDP versus 65 W for the PRO 5655G, meaning it delivers competitive single-core performance at less than half the thermal budget. This makes it suitable for thin-and-light mobile systems where battery life and cooling are primary constraints. The PRO 5655G, with its 65 W TDP and AM4 desktop socket, is designed for stationary systems where sustained multi-core throughput is the priority.

The production status of both parts is Active, so neither is end-of-life. The newer AI 5 430 benefits from the 4 nm process node and Zen 5 architecture, which explains its higher boost clock and per-core efficiency. The older PRO 5655G compensates with more cores, more threads, and a much larger L3 cache.

FAQ

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

A: The AMD Ryzen 5 PRO 5655G. In Cinebench R23 multi-core, it scores 17,249 versus 8,130 for the Ryzen AI 5 430, a 112.2% advantage. It also leads in Cinebench R15 multi-core by 45.4% (1,738 vs 1,195).

Q: Does the Ryzen AI 5 430 win any benchmarks?

A: Yes, it wins 4 of the 15 recorded head-to-head tests. These include PassMark single-thread (3,683 vs 3,241, up 12%), Cinebench R15 single-core (269 vs 245, up 8.9%), and PassMark physics (726 vs 686, up 5.5%).

Q: How do the core counts and cache sizes compare?

A: The Ryzen 5 PRO 5655G has 6 cores and 12 threads, with 64 KB L1 and 512 KB L2 per core, plus 16 MB of L3. The Ryzen AI 5 430 has 4 cores and 8 threads, with 80 KB L1 and 1 MB L2 per core, but only 4 MB of L3.

Q: What memory types do these processors support?

A: The Ryzen 5 PRO 5655G supports DDR4 with dual-channel access and 51.2 GB/s bandwidth. The Ryzen AI 5 430 supports DDR5 and LPDDR5X with dual-channel access and 89.6 GB/s bandwidth. Both support ECC memory.

Q: Are these processors from the same generation?

A: No. The Ryzen 5 PRO 5655G uses the Zen 3 architecture (Cezanne codename) on a 7 nm process node, released in May 2024. The Ryzen AI 5 430 uses a Zen 5 / Zen 5c hybrid architecture (Gorgon Point codename) on a 4 nm process node, released in January 2026.

Q: Which processor has a higher single-core boost clock?

A: The Ryzen AI 5 430 has a boost clock of 4.50 GHz, while the Ryzen 5 PRO 5655G has a boost clock of 4.40 GHz. The AI 5 430 also has a much lower base clock of 2.00 GHz versus 3.90 GHz for the PRO 5655G.

Specification Differences

| Specification | AMD Ryzen 5 PRO 5655G | AMD Ryzen AI 5 430 |

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

| Cores | 6 | 4 |

| Threads | 12 | 8 |

| Base Clock | 3.90 GHz | 2.00 GHz |

| Boost Clock | 4.40 GHz | 4.50 GHz |

| TDP | 65 W | 28 W |

| Socket | AMD Socket AM4 | AMD Socket FP8 |

| Codename | Cezanne | Gorgon Point |

| Generation | Ryzen 5 (Zen 3, Cezanne) | Ryzen AI 400 (Zen 5 / Zen 5c) |

| Process Node | 7 nm | 4 nm |

| Transistors | 10,700 million | Not listed |

| Die Size | 180 mm² | Not listed |

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

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

| L3 Cache | 16 MB | 4 MB |

| Memory Support | DDR4 | DDR5, LPDDR5X |

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

| PCIe | Gen 3, 16 Lanes (CPU only) | Gen 4, 14 Lanes (CPU only) |

| Integrated Graphics | Radeon Vega 7 | Radeon 840M |

| Market Segment | Desktop | Mobile |

| Release Date | 2024-05-06 | 2026-01-04 |

| Part Number | 100-000001513 | 100-000001787 |

The remaining fields are identical: both are AMD parts, both have dual-channel memory buses, both support ECC, both are Active in production, and neither has an unlocked multiplier or a listed launch MSRP.