AMD Ryzen 5 7640HS vs AMD Ryzen 5 9600X Comparison

Head-to-Head Benchmarks

The benchmark data is unambiguous: the AMD Ryzen 5 9600X wins every single one of the 17 recorded head-to-head comparisons against the AMD Ryzen 5 7640HS. There is not a single test where the mobile chip comes out ahead, which makes this less a rivalry and more a demonstration of generational and market-segment separation.

The largest gap appears in PassMark's find prime numbers test, where the 9600X scores 233 against the 7640HS's 77, a 67% advantage. That workload is heavily dependent on integer throughput and branch handling, so the size of the delta points to a fundamental difference in per-core execution capability rather than a simple clock-speed edge. The smallest gap is in PassMark data encryption, where the 9600X leads by only 4.6% (16638 versus 15867). Encryption workloads often scale with AES-NI throughput and memory bandwidth, and both processors share the same dual-channel DDR5 memory bus at 89.6 GB/s, which helps explain why the margin stays comparatively narrow.

In Cinebench R23 multi-core, the 9600X posts 17528.5 against 12554, a 28.4% lead. The single-core result shows a 21.4% advantage (2183.5 versus 1715.5), which is notable because single-core scores are less affected by thermal headroom or power delivery and more directly reflect architecture and clock capability. Geekbench multi-core gives the 9600X a 28% lead (14438 versus 10389), while Geekbench single-core shows a 28.4% gap (2923 versus 2093), almost identical to the multi-core margin. That consistency suggests the 9600X's advantage is not dependent on scaling across cores but is baked into each individual core.

Cinebench R15 tells the same story: multi-core 2691 versus 1978 (26.5% lead), single-core 342 versus 269.5 (21.2% lead). PassMark physics is another large outlier, with the 9600X at 2012 versus 1155, a 42.6% gap. Physics simulations in PassMark are sensitive to both floating-point performance and memory latency, and the 9600X's larger 32 MB shared L3 cache compared to the 7640HS's 16 MB likely contributes to that outsized margin.

PassMark floating point math shows a 24.7% lead (60081 versus 45220), while extended instructions come in at 26.6% (28023 versus 20556). Integer math is a smaller 18.5% gap (89918 versus 73284). PassMark multi-thread shows 30027 versus 22979, a 23.5% lead. Random string sorting, a test sensitive to memory access patterns and cache behavior, shows an 11.9% gap (35946 versus 31654). Data compression shows 341021 versus 269524, a 21% edge. PassMark single-thread shows 4570 versus 3654, a 20% lead.

The overall average benchmark scores in the database place the 7640HS at 30390 and the 9600X at 29713, which appears counterintuitive given the head-to-head sweep. This is because the two chips draw from different nearest rival groups and different test sets, not because the 7640HS is faster in any direct comparison. The 7640HS sits at the 81st percentile of all CPUs, and the 9600X also sits at the 81st percentile, so both are in the same overall performance tier despite the desktop part winning every direct test.

Architecture Differences

The two processors share the same 6-core, 12-thread configuration, but almost everything underneath is different. The 7640HS is built on Zen 4 architecture with the Phoenix codename, while the 9600X uses Zen 5 with the Granite Ridge codename. Both are manufactured on a 4 nm process at TSMC, but the transistor counts diverge sharply: the 7640HS integrates 25,000 million transistors on a 178 mm² die, while the 9600X uses 8,315 million transistors on a 70.6 mm² die. That difference reflects the mobile chip integrating more on-package functionality, including its Radeon 760M integrated graphics, whereas the desktop chip relies on a separate platform.

Cache configurations differ significantly. The 7640HS has 64 KB of L1 per core, 1 MB of L2 per core, and 16 MB of shared L3. The 9600X has 80 KB of L1 per core, 1 MB of L2 per core, and 32 MB of shared L3. Doubling the shared L3 is a major architectural advantage for the desktop part, especially in workloads that repeatedly access a working set larger than 16 MB.

Clock speeds tell a mixed story. The 7640HS has a higher base clock at 4.30 GHz versus 3.90 GHz, but the 9600X boosts higher at 5.40 GHz versus 5.00 GHz. The mobile chip's 35 W TDP is dramatically lower than the desktop chip's 65 W TDP, which explains why the base clock can be higher on the mobile part: it is designed to hit a modest sustained frequency within a tight power envelope, while the desktop part ramps much higher under load. The 9600X also has an unlocked multiplier, while the 7640HS does not, meaning the desktop chip can be overclocked.

Socket and platform support are entirely different. The 7640HS uses AMD Socket FP8, a mobile socket, while the 9600X uses AMD Socket AM5 for desktop. PCIe connectivity differs as well: the mobile chip offers Gen 4 with 20 CPU lanes, while the desktop chip offers Gen 5 with 24 CPU lanes. Both support DDR5 memory in dual-channel mode with 89.6 GB/s bandwidth, and both support ECC memory.

The integrated graphics also differ. The 7640HS carries a Radeon 760M, while the 9600X lists only "Radeon Graphics" without a specific model designation. The market segments confirm the intended use: the 7640HS is a mobile part, and the 9600X is a desktop part. The 9600X carries a release date of 2024-08-07 and a launch MSRP of $279, while the 7640HS has no recorded release date or MSRP in the database.

Where Each One Wins

Given that the 9600X wins all 17 head-to-head benchmarks, the "where each one wins" split is not about performance categories but about platform and power. The 7640HS wins in the context of mobile systems: it is designed for laptops with a 35 W TDP, a mobile socket, and integrated Radeon 760M graphics. It is the appropriate choice for a thin-and-light or mainstream notebook where power draw and thermals are the binding constraints.

The 9600X wins every measured performance category. It is faster in single-threaded work, multi-threaded rendering, integer math, floating-point math, encryption, compression, physics simulation, and memory-sensitive tasks like random string sorting. The largest margins are in prime number finding (67%), physics (42.6%), and Cinebench R23 multi-core (28.4%). The smallest margin is in data encryption (4.6%), which is the only category where the mobile part comes close.

For a user deciding between a laptop and a desktop, the split is straightforward. If the requirement is a portable system with adequate performance, the 7640HS offers a competitive 81st percentile standing among all CPUs. If the requirement is maximum throughput in a desktop system, the 9600X is the clear choice, also sitting at the 81st percentile but winning every direct comparison.

FAQ

Q: Which processor is faster in Cinebench R23 multi-core?

A: The AMD Ryzen 5 9600X scores 17528.5 versus the AMD Ryzen 5 7640HS's 12554, a 28.4% lead.

Q: How much faster is the 9600X in single-threaded performance?

A: In Cinebench R23 single-core, the 9600X scores 2183.5 against 1715.5, a 21.4% advantage. In Geekbench single-core, the gap is 28.4% (2923 versus 2093).

Q: Do both processors have the same core and thread counts?

A: Yes, both have 6 cores and 12 threads. They differ in architecture, cache, clocks, socket, and power envelope.

Q: What is the power difference between the two?

A: The 7640HS has a 35 W TDP, while the 9600X has a 65 W TDP. The mobile chip has a higher base clock (4.30 GHz versus 3.90 GHz), but the desktop chip boosts higher (5.40 GHz versus 5.00 GHz).

Q: Is the 9600X overclockable?

A: Yes, the 9600X has an unlocked multiplier. The 7640HS does not.

Q: Which processor is better for encryption workloads?

A: The 9600X is still faster, but only by 4.6% in PassMark data encryption (16638 versus 15867). This is the closest benchmark between the two.

The Verdict

The data supports only one conclusion for raw performance: the AMD Ryzen 5 9600X is the superior processor in every measured category. It wins all 17 head-to-head tests, with margins ranging from 4.6% in data encryption to 67% in prime number finding. The architectural advantages of Zen 5, the doubled 32 MB shared L3 cache, the higher 5.40 GHz boost clock, and the 65 W power envelope all contribute to a consistent and often large performance lead.

The AMD Ryzen 5 7640HS is not without merit, but its merit is contextual. It delivers 81st percentile performance while operating within a 35 W TDP, which is impressive for a mobile part. Its higher base clock of 4.30 GHz and integrated Radeon 760M graphics make it a sensible choice for laptop designs where power efficiency matters more than peak throughput. The 4 nm process node is identical to the 9600X, and the 89.6 GB/s memory bandwidth matches the desktop part.

Who should pick which? A user building or buying a desktop system should choose the 9600X without hesitation. It is faster in every workload category recorded, supports PCIe Gen 5 with 24 lanes, has an unlocked multiplier, and comes with 32 MB of shared L3. A user needing a laptop should choose the 7640HS because the 9600X is a desktop Socket AM5 part and cannot be installed in a mobile system. The decision is not between two comparable desktop CPUs; it is between a desktop part that wins all benchmarks and a mobile part that is the only one of the two suitable for portable systems.

Specification Differences

| Specification | AMD Ryzen 5 7640HS | AMD Ryzen 5 9600X |

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

| Series | 7000 series | 9000 series |

| Base clock | 4.30 GHz | 3.90 GHz |

| Boost clock | 5.00 GHz | 5.40 GHz |

| TDP | 35 W | 65 W |

| Socket | AMD Socket FP8 | AMD Socket AM5 |

| Architecture | Zen 4 | Zen 5 |

| Codename | Phoenix | Granite Ridge |

| Transistors | 25,000 million | 8,315 million |

| Die size | 178 mm² | 70.6 mm² |

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

| L3 cache | 16 MB (shared) | 32 MB (shared) |

| PCIe | Gen 4, 20 Lanes (CPU only) | Gen 5, 24 Lanes (CPU only) |

| Integrated graphics | Radeon 760M | Radeon Graphics |

| Market segment | Mobile | Desktop |

| Release date | Not recorded | 2024-08-07 |

| Launch MSRP | Not recorded | $279 |

| Multiplier unlocked | No | Yes |

| Part number | 100-000000956 (FP7r2), 100-000000965 (FP7), 100-000001130 (FP8) | 100-000001405 |

The two CPUs share identical core counts (6 cores, 12 threads), the same 4 nm TSMC process node, the same dual-channel DDR5 memory support, the same 89.6 GB/s memory bandwidth, and both support ECC memory. They differ in every other major specification category, which explains why the desktop part dominates the benchmark comparison while the mobile part remains relevant only in its own platform context.