AMD Ryzen 5 7500X3D vs AMD Ryzen 9 PRO 8945HS Comparison

Head-to-Head Benchmarks

The benchmark data shows a clear split between these two processors, with the AMD Ryzen 9 PRO 8945HS winning 9 of the 11 recorded comparisons, while the AMD Ryzen 5 7500X3D takes 2 decisive victories. The most striking result is in the passmark_find_prime_numbers test, where the Ryzen 5 7500X3D scores 221 against 91 for the Ryzen 9 PRO 8945HS, a margin of 142.9%. This is the largest relative difference in the entire comparison and indicates a fundamental advantage in integer-heavy primality workloads.

The Ryzen 5 7500X3D also wins in passmark_physics with a score of 2779 versus 1430, a 94.3% advantage. Physics simulations often benefit from large cache footprints, and the 7500X3D's 96 MB of shared L3 cache appears to deliver a substantial benefit here. The Ryzen 9 PRO 8945HS cannot match this specific workload performance despite having more cores.

In every other measured test, the Ryzen 9 PRO 8945HS is ahead. The largest wins come in passmark_integer_math and passmark_floating_point_math, where it scores 103390 and 63490 respectively, against 70774 and 43594 for the 7500X3D. These represent 31.5% and 31.3% advantages. The data compression test shows 368884 for the Ryzen 9 PRO versus 271649 for the Ryzen 5, a 26.4% gap. Data encryption shows 21820 versus 15797, a 27.6% lead. Extended instructions favor the Ryzen 9 PRO at 27714 versus 20455, a 26.2% difference. Random string sorting goes to the Ryzen 9 PRO with 44668 against 32999, a 26.1% margin.

The multithread score is 30378 for the Ryzen 9 PRO versus 25047 for the Ryzen 5, a 17.5% advantage. This is a smaller gap than the individual math tests, which suggests that the Ryzen 5's larger cache helps close some of the multithreaded distance despite having fewer cores. Single-thread performance also favors the Ryzen 9 PRO, with 3920 versus 3494, a 10.9% difference. The Ryzen 9 PRO's higher boost clock of 5.20 GHz compared to 4.50 GHz likely explains this edge.

Looking at the average benchmark scores, the Ryzen 9 PRO 8945HS sits at 41963, while the Ryzen 5 7500X3D reaches 44573. The 7500X3D's higher average is driven by its extreme results in prime finding and physics, which pull the mean upward. The percentile rankings place the 7500X3D at the 89th percentile across all CPUs, while the Ryzen 9 PRO sits at the 88th percentile. The nearest rivals for the 7500X3D include the Intel Core Ultra X9 388H at 44466 (a 0.2% difference), the Intel Core i9-13950HX at 44342 (0.5%), and the AMD Ryzen AI Max 385 at 44309 (0.6%). The Intel Core i5-14600 is 0.7% ahead at 44889. The Ryzen 9 PRO's nearest rivals include the Intel Core i7-14700T at 41914 (0.1% ahead), the AMD Ryzen 5 7400 at 42055 (0.2% behind), the Intel Core i7-12850HX at 41779 (0.4% ahead), and the Intel Core 7 251TE at 41650 (0.8% ahead).

Architecture Differences

The two processors come from different AMD generations and are built for different market segments. The Ryzen 5 7500X3D belongs to the 7000 series with the codename Raphael and is explicitly listed as Zen 4 (Raphael). The Ryzen 9 PRO 8945HS is from the 8000 series with the codename Hawk Point and is listed as Zen 4 (Hawk Point). Both use the Zen 4 architecture, but they are fabricated on different process nodes. The 7500X3D uses a 5 nm process, while the Ryzen 9 PRO uses a 4 nm process. Both are produced by TSMC.

The transistor counts differ substantially. The Ryzen 5 7500X3D contains 11,270 million transistors on a die size of 71 mm². The Ryzen 9 PRO 8945HS contains 25,000 million transistors on a die size of 178 mm². This reflects the larger core count and integrated graphics of the mobile part. The Ryzen 9 PRO has 8 cores and 16 threads, while the Ryzen 5 7500X3D has 6 cores and 12 threads. Both processors have the same L1 cache at 64 KB per core and the same L2 cache at 1 MB per core. The L3 cache is where the big difference appears: the 7500X3D has 96 MB of shared L3 cache, while the Ryzen 9 PRO has only 16 MB. This 80 MB difference is the defining architectural feature of the 7500X3D and explains its strong showing in cache-sensitive workloads.

The platform support also differs. The Ryzen 5 7500X3D uses AMD Socket AM5 and supports PCIe Gen 5 with 24 lanes (CPU only). The Ryzen 9 PRO 8945HS uses AMD Socket FP7 and supports PCIe Gen 4 with 20 lanes (CPU only). Both support DDR5 memory in dual-channel configuration, but the memory bandwidth figures differ slightly: 83.2 GB/s for the 7500X3D versus 89.6 GB/s for the Ryzen 9 PRO. Both support ECC memory. Integrated graphics are present on both, with the 7500X3D featuring Radeon Graphics and the Ryzen 9 PRO featuring the Radeon 780M.

Where Each One Wins

The data shows that the Ryzen 5 7500X3D wins in two specific categories that are directly tied to its 96 MB L3 cache. Prime number finding and physics simulations both show massive advantages for the 7500X3D, with 142.9% and 94.3% leads respectively. These workloads are known to benefit from large on-die caches that reduce memory latency. The 7500X3D's 96 MB shared L3 cache gives it a significant edge in these cache-dependent tasks. The average benchmark score of 44573 also places it above the Ryzen 9 PRO's 41963, and it sits at the 89th percentile versus the 88th percentile for the mobile part.

The Ryzen 9 PRO 8945HS wins across the broader set of general-purpose workloads. Its 8 cores and 16 threads, combined with a 5.20 GHz boost clock, give it clear advantages in integer math, floating point math, data compression, data encryption, extended instructions, random string sorting, and single-thread performance. The multithread score of 30378 versus 25047 shows that the additional two cores translate into a 17.5% lead in heavily threaded work. The single-thread lead of 10.9% comes from the higher boost clock, as both processors share the same 4.00 GHz base clock.

For workloads that mix different instruction types, the Ryzen 9 PRO's higher memory bandwidth of 89.6 GB/s versus 83.2 GB/s also contributes to its broader wins. The Ryzen 5 7500X3D is the better choice for cache-sensitive scientific simulations and prime number calculations. The Ryzen 9 PRO 8945HS is the better choice for general productivity, data processing, and any workload that scales with core count.

Specification Differences

The two processors differ in several key specifications. The Ryzen 5 7500X3D has 6 cores and 12 threads, while the Ryzen 9 PRO 8945HS has 8 cores and 16 threads. The base clock is identical at 4.00 GHz for both. The boost clock differs: 4.50 GHz for the 7500X3D and 5.20 GHz for the Ryzen 9 PRO. The TDP also differs, with the 7500X3D rated at 65 watts and the Ryzen 9 PRO at 45 watts. The socket is different: AM5 for the desktop 7500X3D and FP7 for the mobile Ryzen 9 PRO.

The process node is 5 nm for the 7500X3D and 4 nm for the Ryzen 9 PRO. Transistor counts are 11,270 million versus 25,000 million. Die sizes are 71 mm² versus 178 mm². The L3 cache is 96 MB shared for the 7500X3D and 16 MB shared for the Ryzen 9 PRO. PCIe support is Gen 5 with 24 lanes for the 7500X3D and Gen 4 with 20 lanes for the Ryzen 9 PRO. Memory bandwidth is 83.2 GB/s versus 89.6 GB/s. The integrated graphics are listed as Radeon Graphics for the 7500X3D and Radeon 780M for the Ryzen 9 PRO.

The release dates differ, with the 7500X3D released in November 2025 and the Ryzen 9 PRO released in April 2024. The launch MSRP for the 7500X3D is $269; no launch MSRP is recorded for the Ryzen 9 PRO. The part numbers also differ: 100-000001904 for the 7500X3D and 100-000001314 (FP7r2) and 100-000001386 (FP7) for the Ryzen 9 PRO. Both processors have locked multipliers. The market segment is Desktop for the 7500X3D and Mobile for the Ryzen 9 PRO.

FAQ

Q: Which processor has a larger L3 cache?

A: The AMD Ryzen 5 7500X3D has 96 MB of shared L3 cache, while the AMD Ryzen 9 PRO 8945HS has 16 MB of shared L3 cache.

Q: What are the core counts for these two processors?

A: The Ryzen 5 7500X3D has 6 cores and 12 threads, while the Ryzen 9 PRO 8945HS has 8 cores and 16 threads.

Q: Which processor has the higher boost clock?

A: The Ryzen 9 PRO 8945HS boosts to 5.20 GHz, while the Ryzen 5 7500X3D boosts to 4.50 GHz. Both have a 4.00 GHz base clock.

Q: Which processor wins in single-thread performance?

A: The Ryzen 9 PRO 8945HS scores 3920 in passmark_single_thread versus 3494 for the Ryzen 5 7500X3D, a 10.9% advantage.

Q: How do their multithread scores compare?

A: The Ryzen 9 PRO 8945HS scores 30378 in passmark_multithread, which is 17.5% ahead of the Ryzen 5 7500X3D's 25047.

Q: Which processor uses a smaller manufacturing process?

A: The Ryzen 9 PRO 8945HS uses a 4 nm process, while the Ryzen 5 7500X3D uses a 5 nm process. Both are manufactured by TSMC.

The Verdict

The recorded data indicates two distinct strengths. The AMD Ryzen 5 7500X3D delivers exceptional performance in cache-sensitive workloads, specifically prime number finding and physics simulations, where it leads by 142.9% and 94.3% respectively. Its 96 MB L3 cache is the clear driver of these results. The average benchmark score of 44573 and the 89th percentile ranking confirm that this desktop processor holds its own against a wide range of CPUs, including its nearest rival, the Intel Core Ultra X9 388H, which trails by only 0.2%.

The AMD Ryzen 9 PRO 8945HS is the more balanced processor for general workloads. It wins 9 of 11 head-to-head tests, with leads ranging from 10.9% in single-thread performance to 31.5% in integer math. Its 8 cores, 16 threads, and 5.20 GHz boost clock provide consistent advantages across data compression, encryption, extended instructions, floating point math, and random string sorting. The 17.5% multithread lead confirms that the extra two cores matter in threaded applications.

The choice between these two processors depends on the workload profile. For cache-dependent scientific or simulation tasks, the Ryzen 5 7500X3D is the stronger option based on the prime finding and physics results. For general-purpose computing, data processing, and multi-threaded productivity, the Ryzen 9 PRO 8945HS delivers the broader set of wins. The Ryzen 9 PRO's 45 watt TDP also indicates a more power-efficient design for mobile platforms, while the 7500X3D's 65 watt TDP reflects its desktop orientation. Each processor serves a different market segment, and the benchmark data supports their respective positioning.