AMD Ryzen 9 5900XT vs AMD Ryzen AI 9 HX 370 Comparison

Head-to-Head Benchmarks

The recorded data shows a clear split between the AMD Ryzen 9 5900XT and the AMD Ryzen AI 9 HX 370 across 21 benchmark comparisons. The Ryzen 9 5900XT wins 14 of those comparisons, while the Ryzen AI 9 HX 370 wins 7. The margin of victory tells the more interesting story.

In multi-threaded workloads, the Ryzen 9 5900XT dominates. The Cinebench R23 multi-core test shows the 5900XT scoring 37373 against 21761 for the HX 370, a 71.7% advantage. The Cinebench R15 multi-core result follows the same pattern: 3767 versus 3409.5, a 10.5% lead. In the 3DMark 16-thread test, the 5900XT posts 10624 versus 9365, a 13.4% edge, and in the max-thread test it reaches 11040 against 9725, a 13.5% margin.

The PassMark suite reinforces this pattern. Data compression shows the 5900XT at 597862 against 445719, a 34.1% lead. Data encryption delivers 37814 versus 22252, a 69.9% advantage. Extended instructions score 39141 against 31653, a 23.7% gap. Prime number finding shows 205 versus 126, a 62.7% margin. Floating point math reaches 99398 versus 76892, a 29.3% lead, and integer math hits 177566 against 122933, a 44.4% advantage. The multi-thread PassMark test shows 43810 versus 35148, a 24.6% edge, and random string sorting finishes at 62537 versus 48723, a 28.4% margin.

The Ryzen AI 9 HX 370 wins the low-thread tests. In 3DMark 2-thread, it scores 2179 against 1853, a 15% advantage. The 4-thread test shows 3970 versus 3589, a 9.6% edge. The 8-thread test delivers 6992 against 6607, a 5.5% margin. Single-thread 3DMark shows 1153 versus 942, an 18.3% lead. PassMark single-thread scores 3973 versus 3474, a 12.6% advantage, repeated in the singlethread duplicate entry. PassMark physics also favors the HX 370: 1881 versus 1715, an 8.8% margin.

Two anomalies stand out. The Cinebench R15 single-core test shows the 5900XT at 531 versus 306.5 for the HX 370, a 73.2% lead, and Cinebench R23 single-core shows 5276 versus 2018, a 161.4% margin. These results conflict with the 3DMark and PassMark single-thread data, which favor the HX 370. The recorded Cinebench single-core scores for the HX 370 appear lower than its other single-thread measurements would suggest, likely reflecting different test conditions or run-to-run variation in the database.

Where Each One Wins

The Ryzen 9 5900XT is the clear choice for heavily threaded workloads. The Cinebench R23 multi-core result, with a 71.7% advantage, indicates substantial performance headroom for rendering, video encoding, and other tasks that scale with core count. The 5900XT also holds strong leads in data compression, encryption, and math operations, making it suited for database workloads, scientific computing, and content creation pipelines. Its 14 benchmark wins span most of the PassMark suite, which targets real-world computational patterns rather than synthetic peak performance.

The Ryzen AI 9 HX 370 wins where thread count matters less. Its single-thread performance in 3DMark and PassMark exceeds the 5900XT by 18.3% and 12.6% respectively. The 2-thread, 4-thread, and 8-thread 3DMark results all favor the HX 370, with margins of 15%, 9.6%, and 5.5%. These wins suggest the HX 370 handles lightly threaded applications, such as typical desktop productivity, web browsing, and older games, with greater responsiveness. The PassMark physics win, at 8.8%, points to better performance in physics simulation, which often relies on moderate thread counts with high single-thread efficiency.

The average benchmark scores place the 5900XT at 50718 with a 90th percentile ranking among all CPUs. The HX 370 averages 37904 with an 86th percentile. The nearest rival for the 5900XT is the Intel Core i7-13850HX at 50761, a 0.1% difference, followed by the AMD Ryzen AI 9 HX PRO 370 at 50448, a 0.5% edge for the 5900XT. The HX 370 sits closest to the Intel Core i9-14901E at 37911, a 0% delta, and the AMD Ryzen 7 9700X at 37943, a 0.1% difference.

Architecture Differences

The two processors come from different architectural generations and target different market segments. The Ryzen 9 5900XT uses the Zen 3 architecture, codenamed Vermeer, built on a 7 nm process from TSMC. It belongs to the 5000 series and the Ryzen 9 generation. The chip contains 16 cores and 32 threads, with a base clock of 3.30 GHz and a boost clock of 4.80 GHz. The thermal design power is 105 watts, and it uses AMD Socket AM4. The die size is listed as 2x 74 mm² with 8,300 million transistors.

The Ryzen AI 9 HX 370 uses the Zen 5 architecture, codenamed Strix Point, built on a 4 nm process from TSMC. It belongs to the Ryzen AI 300 generation, combining Zen 5 and Zen 5c cores. The chip contains 12 cores and 24 threads, with a base clock of 2.00 GHz and a boost clock of 5.10 GHz. The thermal design power is 28 watts, and it uses AMD Socket FP8. The die size is 233 mm².

Cache configurations differ substantially. The 5900XT provides 64 KB L1 per core, 512 KB L2 per core, and 64 MB of L3 cache. The HX 370 provides 80 KB L1 per core, 1 MB L2 per core, and 16 MB of L3 cache. The larger L3 on the 5900XT supports its multi-threaded strength, while the larger per-core L1 and L2 on the HX 370 aid single-thread efficiency.

Memory support also diverges. The 5900XT uses DDR4 with dual-channel memory and 51.2 GB/s bandwidth, and it supports ECC memory. The HX 370 uses DDR5 and LPDDR5X with dual-channel memory and 89.6 GB/s bandwidth, but does not support ECC. The HX 370 memory bandwidth is 75% higher, which contributes to its performance in memory-sensitive workloads. PCIe support shows the 5900XT with Gen 4 and 20 lanes, while the HX 370 has Gen 4 and 16 lanes. The 5900XT has no integrated graphics, while the HX 370 includes the Radeon 890M. The 5900XT has an unlocked multiplier for overclocking, whereas the HX 370 does not. The 5900XT released on 2024-07-30 with a launch MSRP of $349, while the HX 370 released on 2024-06-30 with no recorded launch MSRP.

The Verdict

The benchmark data supports a straightforward distinction. The Ryzen 9 5900XT delivers superior performance in multi-threaded and compute-heavy workloads. Its 16 cores and 32 threads, combined with 64 MB of L3 cache and a 105-watt TDP, produce results that lead the HX 370 by margins ranging from 10.5% in Cinebench R15 multi-core to 71.7% in Cinebench R23 multi-core. PassMark scores show even larger gaps in encryption (69.9%), prime number finding (62.7%), and integer math (44.4%). For users running rendering, video encoding, data processing, or any application that engages more than eight threads, the 5900XT is the stronger processor.

The Ryzen AI 9 HX 370 wins the low-thread and single-thread comparisons. Its Zen 5 architecture, smaller 4 nm process, and higher boost clock of 5.10 GHz produce a 12.6% lead in PassMark single-thread and an 18.3% lead in 3DMark single-thread. The 89.6 GB/s memory bandwidth, versus 51.2 GB/s for the 5900XT, gives it an advantage in memory-bound tasks. The integrated Radeon 890M graphics and 28-watt TDP position it for mobile systems where power efficiency and graphics output matter. The HX 370 suits laptops and compact devices where battery life and thermal limits take priority over raw multi-thread throughput.

The data does not support a single winner across all scenarios. The 5900XT holds a 90th percentile ranking versus the HX 370's 86th, and the average benchmark score difference is substantial (50718 versus 37904), but those figures weight the multi-thread results that favor the desktop part. The HX 370 demonstrates that a lower core count and lower TDP can still deliver competitive single-thread performance and superior low-thread scaling. Users should choose based on workload: the 5900XT for desktop workstations with sustained multi-thread demand, the HX 370 for mobile use with lighter thread loads and integrated graphics.

FAQ

Q: Which processor has higher multi-core performance in Cinebench R23?

A: The AMD Ryzen 9 5900XT scores 37373 in Cinebench R23 multi-core, while the AMD Ryzen AI 9 HX 370 scores 21761. The 5900XT leads by 71.7%.

Q: Does the Ryzen AI 9 HX 370 beat the 5900XT in any single-thread tests?

A: Yes. In 3DMark single-thread, the HX 370 scores 1153 against 942 for the 5900XT, an 18.3% advantage. In PassMark single-thread, the HX 370 scores 3973 against 3474, a 12.6% lead.

Q: What is the core and thread count difference?

A: The Ryzen 9 5900XT has 16 cores and 32 threads. The Ryzen AI 9 HX 370 has 12 cores and 24 threads.

Q: How do the cache sizes compare?

A: The 5900XT has 64 KB L1 per core, 512 KB L2 per core, and 64 MB L3. The HX 370 has 80 KB L1 per core, 1 MB L2 per core, and 16 MB L3.

Q: What memory types do the two processors support?

A: The 5900XT supports DDR4 with dual-channel memory and 51.2 GB/s bandwidth. The HX 370 supports DDR5 and LPDDR5X with dual-channel memory and 89.6 GB/s bandwidth.

Q: Which processor has integrated graphics?

A: The Ryzen AI 9 HX 370 includes the Radeon 890M integrated graphics. The Ryzen 9 5900XT has no integrated graphics.