AMD Ryzen 5 2600 vs AMD Ryzen 5 PRO 6650U Comparison

Head-to-Head Benchmarks

The recorded data shows a decisive overall victory for the AMD Ryzen 5 PRO 6650U across the benchmark suite, winning 13 of 15 head-to-head comparisons. The Ryzen 5 2600 manages only two wins. The most dramatic margin occurs in PassMark extended instructions, where the 6650U scores 12,261 against 7,168 for the 2600, a 71.1% advantage. This reflects the newer processor's superior handling of specialized workloads such as AES and AVX operations.

Single-threaded performance is another area of clear separation. In Cinebench R15 single-core, the 6650U posts 232.5 versus 157.3 for the 2600, a 47.8% lead. Geekbench single-core shows a 43.2% gap (1,652 vs 1,154), while PassMark single-thread records a 40.6% difference (3,149 vs 2,239). These results indicate that the 6650U delivers substantially better per-core throughput, which is critical for lightly threaded applications and responsiveness.

Multi-threaded workloads also favor the 6650U, though by smaller margins. Cinebench R15 multi-core shows 1,459.5 against 1,248, a 16.9% improvement. Geekbench multi-core gives 7,065 versus 5,648, a 25.1% lead. PassMark multithread scores 16,429 compared to 13,160, a 24.8% advantage. The 6650U also leads in PassMark physics by 24.4% (837 vs 673) and in integer math by 34.9% (60,045 vs 44,518). Floating-point math shows a 42% gap (32,571 vs 22,942).

The 6650U wins in data compression by a slim 1.7% (190,180 vs 187,062) and in prime number finding by 40.5% (52 vs 37). These are workload-dependent results; the compression gap is small, suggesting that memory bandwidth and cache behavior play a role, while the prime number test benefits from the 6650U's architecture.

The Ryzen 5 2600's two victories are notable. PassMark data encryption shows the 2600 at 12,429 versus 12,159 for the 6650U, a 2.2% edge. Random string sorting goes to the 2600 by 6% (21,591 vs 20,299). These wins indicate that in certain memory-heavy or specific algorithmic tasks, the older desktop part maintains a slight advantage, likely due to its higher base clock and different memory subsystem design.

Where Each One Wins

The AMD Ryzen 5 PRO 6650U is the clear choice for general productivity, content creation, and any workload that relies on single-thread performance. Its 47.8% lead in Cinebench R15 single-core and 43.2% lead in Geekbench single-core make it well suited for office applications, web browsing, and software compilation where per-core speed matters. The 71.1% advantage in extended instructions also positions it strongly for encryption, compression, and scientific computing tasks that leverage SIMD operations. For multi-threaded rendering or video encoding, the 25.1% Geekbench multi-core lead and 24.8% PassMark multithread advantage suggest it handles parallel workloads with more efficiency.

The Ryzen 5 2600 retains a niche in two specific areas. Its 2.2% lead in data encryption suggests that the older architecture's memory controller or instruction scheduling handles certain cryptographic routines slightly better. The 6% win in random string sorting indicates that for tasks involving heavy memory allocation and pointer chasing, the 2600's design is competitive. However, these are narrow margins compared to the 6650U's widespread leads. For users prioritizing power efficiency, the data shows the 6650U has a 15 W TDP versus 65 W for the 2600, but the benchmark results do not directly quantify power consumption per workload.

FAQ

Q: Which processor has a higher average benchmark score?

A: The AMD Ryzen 5 PRO 6650U has an average benchmark score of 21,874, while the AMD Ryzen 5 2600 scores 21,484. The 6650U is 1.8% higher, though both sit at the 75th percentile of all CPUs in the database.

Q: How do the two CPUs compare in single-thread performance?

A: The 6650U leads by 47.8% in Cinebench R15 single-core (232.5 vs 157.3) and by 43.2% in Geekbench single-core (1,652 vs 1,154). PassMark single-thread also favors the 6650U by 40.6% (3,149 vs 2,239).

Q: Which processor wins in multi-threaded benchmarks?

A: The 6650U leads in Cinebench R15 multi-core by 16.9% (1,459.5 vs 1,248), in Geekbench multi-core by 25.1% (7,065 vs 5,648), and in PassMark multithread by 24.8% (16,429 vs 13,160).

Q: Are there any benchmarks where the Ryzen 5 2600 beats the 6650U?

A: Yes, the 2600 wins in PassMark data encryption by 2.2% (12,429 vs 12,159) and in PassMark random string sorting by 6% (21,591 vs 20,299).

Q: What is the difference in memory bandwidth between the two?

A: The 6650U supports DDR5 memory with a recorded bandwidth of 76.8 GB/s, while the 2600 uses DDR4 with 46.9 GB/s. The 6650U provides 63.8% more theoretical bandwidth.

Q: Which CPU has a higher boost clock?

A: The 6650U boosts to 4.50 GHz, which is 0.60 GHz higher than the 2600's 3.90 GHz boost. However, the 2600 has a higher base clock at 3.40 GHz versus 2.90 GHz for the 6650U.

Specification Differences

| Specification | AMD Ryzen 5 PRO 6650U | AMD Ryzen 5 2600 |

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

| Base Clock | 2.90 GHz | 3.40 GHz |

| Boost Clock | 4.50 GHz | 3.90 GHz |

| TDP | 15 W | 65 W |

| Socket | AMD Socket FP7 | AMD Socket AM4 |

| Process Node | 6 nm (TSMC) | 12 nm (GlobalFoundries) |

| Die Size | 208 mm² | 213 mm² |

| Transistors | Not recorded | 4,800 million |

| Memory Support | DDR5 | DDR4 |

| Memory Bandwidth | 76.8 GB/s | 46.9 GB/s |

| PCIe | Gen 4, 20 Lanes (CPU only) | Gen 3, 16 Lanes (CPU only) |

| Integrated Graphics | Radeon 660M | None |

| Market Segment | Mobile | Desktop |

| Multiplier Unlocked | No | Yes |

| Launch MSRP | Not recorded | $199 |

| Release Date | 2022-04-18 | 2018-04-18 |

| Part Number | 100-000000539100-000000551 | YD2600BBM6IAF |

Architecture Differences

The two processors belong to different AMD generations and use fundamentally different microarchitectures. The Ryzen 5 PRO 6650U is based on Zen 3+ (Rembrandt), built on a 6 nm process at TSMC. The Ryzen 5 2600 uses the original Zen architecture (Pinnacle Ridge) on a 12 nm process at GlobalFoundries. This node shrink contributes to the 6650U's significantly lower 15 W TDP versus 65 W for the 2600, despite both having 6 cores and 12 threads.

Cache configurations differ in L1 only: the 6650U has 64 KB per core, while the 2600 has 96 KB per core. Both share 512 KB L2 per core and 16 MB of L3. The larger L1 cache on the 2600 may explain its slight edge in random string sorting, but the 6650U's architectural improvements elsewhere overcome this. The 6650U also has a smaller die at 208 mm² compared to 213 mm² for the 2600, despite the process advantage.

Memory architecture is a major separation point. The 6650U uses DDR5 in a dual-channel configuration with 76.8 GB/s bandwidth, while the 2600 relies on DDR4 with 46.9 GB/s. This 63.8% bandwidth difference directly impacts memory-intensive workloads, though the 2600's two benchmark wins suggest that latency or other factors can offset raw bandwidth in specific tasks. The 6650U also supports PCIe Gen 4 with 20 lanes, while the 2600 is limited to Gen 3 with 16 lanes, affecting expansion capabilities.

The 6650U integrates a Radeon 660M graphics unit, making it a complete APU solution for mobile systems. The 2600 has no integrated graphics, requiring a discrete GPU. The 6650U is a mobile part on AMD Socket FP7, while the 2600 is a desktop part on AM4, and the 2600 has an unlocked multiplier for overclocking whereas the 6650U does not. Both processors lack ECC memory support and are still in active production.