AMD Ryzen 7 5800XT vs AMD Ryzen AI 9 HX 370 Comparison

The AMD Ryzen 7 5800XT and the AMD Ryzen AI 9 HX 370 occupy distinct corners of the processor market, one a desktop part built for sustained throughput, the other a mobile chip designed for efficiency. The recorded data shows a clear split in performance characteristics, with the mobile processor winning the majority of benchmark comparisons, but the desktop chip retaining significant victories in specific legacy and multi-core tests.

Head-to-Head Benchmarks

The benchmark data shows the AMD Ryzen AI 9 HX 370 as the dominant performer across the majority of recorded workloads, winning 18 of the 21 head-to-head comparisons. The margin of victory varies widely depending on the test, with the largest gaps appearing in multi-threaded and mathematically intensive workloads. In Cinebench R15 multi-core, the Ryzen AI 9 HX 370 scores 3409.5 against the Ryzen 7 5800XT’s 2398, a delta of 29.7 percent in favor of the mobile chip. This pattern repeats in PassMark floating point math, where the Ryzen AI 9 HX 370 posts 76892 versus 53808, another 30 percent advantage. The data indicates the mobile processor’s 12-core, 24-thread configuration provides a substantial throughput advantage in heavily parallel tasks.

The Ryzen AI 9 HX 370 also leads in 3DMark threading tests across the board. In the 16-thread test, it scores 9365 versus 7683, an 18 percent lead. The max-threads test shows a 21 percent gap, with scores of 9725 and 7680 respectively. Even the 2-thread test, which measures lightly threaded performance, goes to the mobile chip at 2179 versus 1879, a 13.8 percent margin. The single-thread 3DMark result follows the same pattern, with the Ryzen AI 9 HX 370 scoring 1153 against 959, a 16.8 percent advantage.

PassMark integer math provides one of the clearest illustrations of the core-count advantage. The Ryzen AI 9 HX 370 scores 122933, while the Ryzen 7 5800XT manages 93942, a 23.6 percent difference. Extended instructions show a 23.3 percent gap, with scores of 31653 and 24270. Data compression favors the mobile chip by 21 percent, 445719 versus 352002. Random string sorting shows a 26.3 percent gap, 48723 versus 35911. Physics simulation in PassMark gives the Ryzen AI 9 HX 370 a 28 percent lead, 1881 versus 1355.

The Ryzen 7 5800XT, however, secures three decisive victories, and they are not trivial. In Cinebench R23 single-core, the desktop chip scores 3359 against the mobile chip’s 2018, a massive 66.5 percent advantage. This is the single largest delta in the entire head-to-head dataset. Cinebench R15 single-core also goes to the Ryzen 7 5800XT, scoring 338 versus 306.5, a 10.3 percent margin. The third win comes in Cinebench R23 multi-core, where the desktop chip scores 23794 against 21761, a 9.3 percent lead despite having fewer cores and threads. These results indicate that the Zen 3 architecture in the Ryzen 7 5800XT retains a significant per-core performance edge in certain workloads, particularly in the Cinebench suite.

The overall average benchmark scores reinforce the Ryzen AI 9 HX 370’s position. The mobile chip averages 37904 across all recorded tests, while the desktop chip averages 29879. The Ryzen AI 9 HX 370 sits at the 86th percentile against all CPUs in the database, while the Ryzen 7 5800XT sits at the 81st percentile. The nearest rivals for the Ryzen AI 9 HX 370 include the Intel Core i9-14901E with an average score of 37911 and a delta of 0 percent, placing the mobile chip essentially on par with that desktop part in aggregate performance. The Ryzen 7 5800XT, by contrast, sits closest to the AMD Ryzen 7 8845HS and AMD Ryzen 7 7840HS, both at 29955 with a delta of 0.3 percent against the 5800XT.

Architecture Differences

The two processors are built on fundamentally different architectures and process nodes. The AMD Ryzen 7 5800XT uses Zen 3 architecture under the codename Vermeer, while the AMD Ryzen AI 9 HX 370 uses a hybrid Zen 5 and Zen 5c configuration under the codename Strix Point. The desktop chip is fabricated on a 7 nm process at TSMC, while the mobile chip uses a 4 nm process, also at TSMC. The die sizes differ substantially, with the Ryzen 7 5800XT measuring 74 mm² and the Ryzen AI 9 HX 370 measuring 233 mm². The transistor count for the desktop chip is listed at 4,150 million, while no transistor count is recorded for the mobile part.

Core and thread counts diverge sharply. The Ryzen 7 5800XT offers 8 cores and 16 threads, while the Ryzen AI 9 HX 370 offers 12 cores and 24 threads. Base clocks favor the desktop chip, which runs at 3.80 GHz versus 2.00 GHz for the mobile part, but boost clocks favor the mobile chip, which reaches 5.10 GHz versus 4.80 GHz. The thermal design power figures reflect their intended environments: the Ryzen 7 5800XT is rated at 105 watts, while the Ryzen AI 9 HX 370 is rated at 28 watts. This 77-watt difference in TDP explains much of the performance disparity, as the mobile chip achieves higher aggregate scores despite a dramatically lower power envelope.

Cache hierarchies differ in both size and distribution. The Ryzen 7 5800XT uses 64 KB of L1 cache per core, 512 KB of L2 cache per core, and 32 MB of shared L3 cache. The Ryzen AI 9 HX 370 uses 80 KB of L1 cache per core, 1 MB of L2 cache per core, and 16 MB of L3 cache. The desktop chip therefore has twice the L3 capacity, while the mobile chip has larger per-core L1 and L2 allocations. Memory support also diverges, with the Ryzen 7 5800XT limited to DDR4 memory and the Ryzen AI 9 HX 370 supporting DDR5 and LPDDR5X. Both use dual-channel memory buses, but recorded memory bandwidth differs: 51.2 GB/s for the desktop chip versus 89.6 GB/s for the mobile chip.

Integrated graphics and platform features separate the two further. The Ryzen 7 5800XT has no integrated graphics, while the Ryzen AI 9 HX 370 includes Radeon 890M graphics. The desktop chip uses AMD Socket AM4, while the mobile chip uses AMD Socket FP8. PCIe lane counts differ as well, with the Ryzen 7 5800XT providing 20 CPU lanes and the Ryzen AI 9 HX 370 providing 16 CPU lanes, both at Gen 4 speeds. ECC memory support is present on the desktop chip but absent on the mobile chip. The Ryzen 7 5800XT has an unlocked multiplier, while the Ryzen AI 9 HX 370 does not.

FAQ

Q: Which processor has a higher single-thread performance in Cinebench R23?

A: The AMD Ryzen 7 5800XT scores 3359 in Cinebench R23 single-core, while the AMD Ryzen AI 9 HX 370 scores 2018, giving the desktop chip a 66.5 percent advantage in this specific test.

Q: How does the multi-core performance compare between the two?

A: The AMD Ryzen AI 9 HX 370 wins the majority of multi-threaded tests. It leads in Cinebench R15 multi-core by 29.7 percent, in PassMark multithread by 20.2 percent, and in PassMark integer math by 23.6 percent. However, the Ryzen 7 5800XT wins Cinebench R23 multi-core by 9.3 percent.

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

A: The AMD Ryzen 7 5800XT has 8 cores and 16 threads. The AMD Ryzen AI 9 HX 370 has 12 cores and 24 threads.

Q: Which processor supports faster memory?

A: The AMD Ryzen AI 9 HX 370 supports DDR5 and LPDDR5X memory with a recorded bandwidth of 89.6 GB/s. The AMD Ryzen 7 5800XT supports DDR4 memory with a recorded bandwidth of 51.2 GB/s.

Q: Does either processor include integrated graphics?

A: The AMD Ryzen AI 9 HX 370 includes Radeon 890M integrated graphics. The AMD Ryzen 7 5800XT has no integrated graphics.

Q: What is the thermal design power of each processor?

A: The AMD Ryzen 7 5800XT has a TDP of 105 watts. The AMD Ryzen AI 9 HX 370 has a TDP of 28 watts.

Specification Differences

The two processors differ on nearly every recorded specification. The Ryzen 7 5800XT is a desktop part in the 5000 series, while the Ryzen AI 9 HX 370 is a mobile part in the Ryzen AI 300 generation. The desktop chip uses Zen 3 architecture with the Vermeer codename, while the mobile chip uses a combination of Zen 5 and Zen 5c with the Strix Point codename. Process nodes differ, with the desktop chip at 7 nm and the mobile chip at 4 nm, both fabricated by TSMC. Die sizes are 74 mm² for the desktop chip and 233 mm² for the mobile chip.

Core counts differ, with 8 cores and 16 threads on the desktop chip versus 12 cores and 24 threads on the mobile chip. Base clocks are 3.80 GHz for the desktop chip and 2.00 GHz for the mobile chip. Boost clocks are 4.80 GHz for the desktop chip and 5.10 GHz for the mobile chip. TDP ratings are 105 watts for the desktop chip and 28 watts for the mobile chip. Sockets differ, with AM4 for the desktop chip and FP8 for the mobile chip.

Cache configurations differ across all levels. The desktop chip has 64 KB L1 per core, 512 KB L2 per core, and 32 MB shared L3. The mobile chip has 80 KB L1 per core, 1 MB L2 per core, and 16 MB L3. Memory support differs, with DDR4 for the desktop chip and DDR5 and LPDDR5X for the mobile chip. Memory bandwidth is 51.2 GB/s for the desktop chip and 89.6 GB/s for the mobile chip. ECC support is present on the desktop chip and absent on the mobile chip. PCIe lanes are 20 for the desktop chip and 16 for the mobile chip, both at Gen 4. The desktop chip has no integrated graphics, while the mobile chip has Radeon 890M. The desktop chip has an unlocked multiplier; the mobile chip does not. The desktop chip has a launch MSRP of $249; no launch MSRP is recorded for the mobile chip.

Where Each One Wins

The AMD Ryzen AI 9 HX 370 wins in the broad majority of workloads, taking 18 of 21 head-to-head comparisons. Its wins span every major benchmark category except the Cinebench suite’s single-core and R23 multi-core tests. The data shows this mobile chip excels in data compression, integer math, floating point math, extended instructions, physics simulation, random string sorting, and encryption. It also leads in every 3DMark threading test. The mobile chip’s 12-core, 24-thread configuration, combined with its larger per-core L1 and L2 caches and higher memory bandwidth, gives it a decisive edge in parallel workloads and productivity tasks. Its 86th percentile ranking against all CPUs, with an average benchmark score of 37904, places it alongside desktop-class parts like the Intel Core i9-14901E and AMD Ryzen 7 9700X in aggregate performance.

The AMD Ryzen 7 5800XT wins in three specific areas: Cinebench R15 single-core, Cinebench R23 single-core, and Cinebench R23 multi-core. The single-core victories are particularly pronounced, with the 66.5 percent margin in R23 single-core representing the largest delta in the entire dataset. The multi-core R23 win is notable because it comes despite the desktop chip having fewer cores and threads, indicating that its Zen 3 cores deliver higher sustained performance in this specific render workload. The desktop chip’s larger 32 MB L3 cache and higher base clock of 3.80 GHz likely contribute to these results. Its 81st percentile ranking and average benchmark score of 29879 place it near the AMD Ryzen 7 7840H and AMD Ryzen 5 9600X in aggregate performance. For workloads that emphasize single-threaded Cinebench performance or the specific multi-threaded R23 render test, the Ryzen 7 5800XT holds a clear advantage. For virtually everything else in the recorded benchmark suite, the Ryzen AI 9 HX 370 delivers higher scores.