AMD Ryzen 5 PRO 4650U vs Intel Core i3-9100 Comparison

The AMD Ryzen 5 PRO 4650U and the Intel Core i3-9100 are separated by more than just their manufacturers; they represent different market segments, architectures, and power envelopes. The data places them as near-neighbors in overall average benchmark score—1810 for the AMD and 1806 for the Intel, a 0.2% difference—yet their performance profiles are radically different. This analysis walks through the benchmark results, architectural divides, and specific use cases to determine which processor is better suited for which task.

Head-to-Head Benchmarks

The head-to-head benchmark data reveals a clear split in performance characteristics. The AMD Ryzen 5 PRO 4650U wins three of the four direct comparisons, and the margins are substantial in multi-threaded workloads. In Cinebench R15 multi-core, the AMD scores 1161 against the Intel's 566, a delta of 105.1%. This is not a marginal victory; it is a doubling of multi-threaded rendering performance. The single-core Cinebench R15 result follows a similar pattern, with the AMD scoring 175 versus the Intel's 79, a 121.5% lead. These numbers indicate that the Ryzen's architecture, despite its lower base clock, is far more efficient at executing the Cinebench workload.

The Geekbench results tell a more nuanced story. In multi-core, the AMD again leads decisively, scoring 4692 against the Intel's 3403, a 37.9% advantage. However, in Geekbench single-core, the Intel Core i3-9100 takes its only win. The Intel scores 1290 against the AMD's 1211, a 6.1% margin. This is a significant result because it shows that the Intel Coffee Lake core, with its higher 4.20 GHz boost clock, can outpace the AMD Zen 2 core in a specific single-threaded test, despite the AMD's superior performance in the Cinebench single-core test.

Looking at the rival data, both processors sit in the same performance tier. The AMD's nearest rival is the Intel Core i3-9320 with an average score of 1808, just 0.1% away. The Intel i3-9100's nearest rival is the same i3-9320, at 1808, with a -0.1% delta. The two processors are effectively tied on average score, with the Xeon E3-1505M v5 and Core i5-6600K also clustered nearby. This means that in a broad average, they are peers, but the specific test-by-test data shows they achieve that average through very different means.

The wins are not just about magnitude but also consistency. The AMD's three wins include the two most demanding multi-threaded tests and one single-threaded test. The Intel's single win is a narrow one in a single-threaded Geekbench test. This suggests that the AMD's performance edge is more robust across different types of workloads, while the Intel's advantage is narrow and specific.

Where Each One Wins

The benchmark data supports a clear division of labor. The AMD Ryzen 5 PRO 4650U is the definitive winner in multi-threaded, heavily parallel workloads. Its 105.1% lead in Cinebench R15 multi-core and 37.9% lead in Geekbench multi-core make it the obvious choice for tasks like video rendering, 3D model compilation, or any application that can leverage its 6 cores and 12 threads. The data shows a massive advantage in raw throughput that would directly translate to shorter render times and faster batch processing.

The Intel Core i3-9100 wins in one specific scenario: the Geekbench single-core test. Its 6.1% lead there, while modest, suggests it may hold an edge in lightly-threaded, latency-sensitive applications that rely on a single thread and high clock speeds. With a boost clock of 4.20 GHz versus the AMD's 4.00 GHz, the Intel has a clock advantage that can pay off in specific tasks like older games or single-threaded productivity tools. However, the Intel's single-core win in Cinebench R15 is absent; in fact, the AMD wins that test by a massive margin, so the Intel's advantage is not universal across all single-threaded benchmarks.

For the user, the choice is about workload type. If the primary tasks are multi-threaded productivity or content creation, the AMD is the clear pick. If the primary tasks are narrow, single-threaded applications that are sensitive to clock speed, the Intel may offer a slight edge in those specific cases. The data does not support the Intel as a general single-threaded champion, given its loss in Cinebench R15 single-core, but it does show a specific win in the Geekbench suite.

Architecture Differences

The two processors are built on fundamentally different architectures and for different purposes. The AMD Ryzen 5 PRO 4650U is a mobile processor built on the Zen 2 architecture, codenamed Renoir, using a 7 nm process from TSMC. It features 6 cores and 12 threads, with a base clock of 2.10 GHz and a boost clock of 4.00 GHz. Its TDP is 15 watts, reflecting its mobile target. The Intel Core i3-9100 is a desktop processor on the Coffee Lake architecture, using a 14 nm process from Intel. It has 4 cores and 4 threads, with a base clock of 3.60 GHz and a boost clock of 4.20 GHz, and a TDP of 65 watts.

The cache configurations differ significantly. The AMD has 64 KB of L1 cache per core, 512 KB of L2 per core, and 8 MB of shared L3 cache. The Intel also has 64 KB of L1 per core, but only 256 KB of L2 per core and 6 MB of shared L3 cache. The AMD's larger L2 and L3 caches, combined with its simultaneous multithreading (SMT) that provides 12 threads, contribute to its multi-threaded advantage. The process node difference is stark: 7 nm versus 14 nm, which explains the AMD's ability to pack more cores and cache into a 15-watt TDP while the Intel requires 65 watts for its 4-core design.

Memory bandwidth also favors the AMD. The Ryzen supports dual-channel DDR4 with a bandwidth of 68.3 GB/s, while the Intel also supports dual-channel DDR4 but with a bandwidth of 38.4 GB/s. This near-doubling of memory bandwidth is a key factor in the AMD's multi-threaded performance, as it reduces data bottlenecks. The integrated graphics differ as well: the AMD uses a Radeon RX Vega 6, while the Intel uses UHD Graphics 630. The AMD's TDP of 15 watts versus the Intel's 65 watts is a fundamental architectural divergence, highlighting the mobile versus desktop design goals.

FAQ

Q: Which processor has a higher average benchmark score?

A: The AMD Ryzen 5 PRO 4650U has an average benchmark score of 1810, while the Intel Core i3-9100 has an average score of 1806. The delta is 0.2% in favor of the AMD.

Q: What is the most significant performance gap between the two?

A: The largest gap is in Cinebench R15 multi-core, where the AMD Ryzen 5 PRO 4650U scores 1161 versus the Intel's 566, a 105.1% difference in favor of the AMD.

Q: Does the Intel Core i3-9100 win any benchmark tests?

A: Yes, the Intel Core i3-9100 wins the Geekbench single-core test, scoring 1290 against the AMD's 1211, a 6.1% margin.

Q: What are the core and thread counts for each processor?

A: The AMD Ryzen 5 PRO 4650U has 6 cores and 12 threads. The Intel Core i3-9100 has 4 cores and 4 threads.

Q: How do their power requirements differ?

A: The AMD Ryzen 5 PRO 4650U has a TDP of 15 watts, while the Intel Core i3-9100 has a TDP of 65 watts.

Q: What is the process node for each processor?

A: The AMD Ryzen 5 PRO 4650U is built on a 7 nm process, while the Intel Core i3-9100 is built on a 14 nm process.

The Verdict

The data points to a clear verdict for most users: the AMD Ryzen 5 PRO 4650U is the more capable processor for the majority of tasks. Its wins in three of four head-to-head benchmarks, including the two multi-threaded tests, make it the superior choice for any workload that can utilize more than four threads. The 105.1% lead in Cinebench R15 multi-core is a decisive statement of its rendering and compute capability. The AMD also offers this performance at a 15-watt TDP, making it significantly more power-efficient than the Intel's 65-watt design.

The Intel Core i3-9100's single win in Geekbench single-core, with a 6.1% margin, is its only argument. This makes it a niche pick for users who have a specific, single-threaded application that is proven to benefit from the Intel's higher 4.20 GHz boost clock. However, given that the AMD wins the Cinebench R15 single-core test by a wide margin, the Intel's single-threaded advantage is not consistent across all benchmarks. The Intel also has the advantage of ECC memory support, a feature the AMD lacks, and it is a desktop part with a launch MSRP of $122, while the AMD has no listed launch MSRP.

For a general-purpose processor, the AMD Ryzen 5 PRO 4650U is the stronger choice due to its multi-threaded dominance and lower power consumption. The Intel Core i3-9100 is only recommended for a user who is certain that their primary software is single-threaded and performs better with the Intel's specific architecture and clock speed. The data overall shows the AMD as the winner, with the Intel holding a narrow, specific niche.

Specification Differences

| Specification | AMD Ryzen 5 PRO 4650U | Intel Core i3-9100 |

| :--- | :--- | :--- |

| Manufacturer | AMD | Intel |

| Cores | 6 | 4 |

| Threads | 12 | 4 |

| Base Clock | 2.10 GHz | 3.60 GHz |

| Boost Clock | 4.00 GHz | 4.20 GHz |

| TDP | 15 W | 65 W |

| Socket | AMD Socket FP6 | Intel Socket 1151 |

| Architecture | Zen 2 | Coffee Lake |

| Process Node | 7 nm | 14 nm |

| Foundry | TSMC | Intel |

| Die Size | 156 mm² | 126 mm² |

| L2 Cache | 512 KB (per core) | 256 KB (per core) |

| L3 Cache | 8 MB (shared) | 6 MB (shared) |

| Memory Bandwidth | 68.3 GB/s | 38.4 GB/s |

| ECC Memory | No | Yes |

| Integrated Graphics | Radeon RX Vega 6 | UHD Graphics 630 |

| Market Segment | Mobile | Desktop |

| Production Status | Active | End-of-life |

| Release Date | 2020-05-06 | 2018-08-31 |

| Launch MSRP | Not listed | $122 |

| Part Number | Not listed | SRCZV |