AMD Ryzen 3 7330U vs AMD Ryzen 9 5900HS Comparison

Where Each One Wins

The benchmark data splits this comparison cleanly along core-count lines. The AMD Ryzen 9 5900HS takes the only head-to-head benchmark recorded, dominating the Cinebench R23 multi-core test with a score of 12745.5 against the Ryzen 3 7330U’s 6230 — a 51.1% gap. That is a decisive win for the 8-core, 16-thread part, which leverages twice the cores and twice the L3 cache (16 MB versus 8 MB) to crush heavily threaded workloads.

The Ryzen 3 7330U, by contrast, has no direct head-to-head victories in the provided data. However, its average benchmark score of 3958 sits slightly above the 5900HS’s 3924, a marginal 0.9% edge in overall aggregate performance. That aggregate number masks the reality that the 5900HS wins the only test where both chips were run under identical conditions. The 7330U’s strength is not raw throughput but efficiency: its 15 W TDP is less than half of the 5900HS’s 35 W, and it targets a lower-power mobile segment while still offering four Zen 3 cores with boost clocks up to 4.30 GHz.

For single-threaded responsiveness, the 5900HS also holds the edge in its own benchmark suite, posting a Cinebench R23 single-core score of 1475.5 versus the 7330U’s Geekbench single-core result of 1514. Those tests are not directly comparable, but the 5900HS’s higher boost clock (4.60 GHz versus 4.30 GHz) suggests it will win most lightly threaded scenarios where both chips are allowed to stretch. The 7330U counters with a lower TDP and ECC memory support — features that matter in compact, always-on systems rather than high-performance laptops.

The Verdict

The data points to a straightforward conclusion: the Ryzen 9 5900HS is the faster processor for multi-core workloads, and the Ryzen 3 7330U is the more power-conscious option. If the workload is rendering, compiling, or any task that scales with thread count, the 5900HS is the clear pick — its Cinebench R23 multi-core score is more than double the 7330U’s, a 51.1% advantage that no amount of efficiency can offset for performance-focused users.

The 7330U makes sense for systems where the 15 W TDP is a hard constraint. It still delivers modern Zen 3 performance in a 4-core, 8-thread configuration, with a boost clock of 4.30 GHz that keeps single-threaded tasks snappy. Its ECC memory support is a genuine differentiator for embedded or reliability-focused builds, a feature the 5900HS lacks entirely. The 5900HS, meanwhile, requires 35 W and offers no ECC option, but compensates with 16 threads, 16 MB of L3 cache, and a 4.60 GHz boost.

The aggregate benchmark scores are nearly tied — 3958 for the 7330U versus 3924 for the 5900HS — but that parity is misleading. The 5900HS’s average is dragged down by a wider benchmark suite that includes 3DMark thread scaling tests, while the 7330U’s smaller suite skews toward lighter loads. In the one test where both chips appear, the 5900HS wins by a wide margin. Buyers who need raw compute should choose the 5900HS; buyers who need a low-power chip with ECC should choose the 7330U.

Head-to-Head Benchmarks

The single direct comparison in the data is Cinebench R23 multi-core, and it is not close. The Ryzen 9 5900HS scores 12745.5, while the Ryzen 3 7330U scores 6230. That is a delta of 51.1 percentage points, meaning the 5900HS is roughly twice as fast in this render workload. The reason is structural: the 5900HS has 8 cores and 16 threads versus the 7330U’s 4 cores and 8 threads, and it doubles the L3 cache from 8 MB to 16 MB.

The 5900HS’s other benchmark results reinforce its multi-core dominance. In Cinebench R15 multi-core, it scores 2041; in 3DMark’s 16-thread test, it hits 6011; and in the max-thread test, 5992. These numbers show consistent scaling from 4 threads (3133) to 8 threads (5049) to 16 threads (6011), indicating the chip uses its full thread count effectively. The 7330U has no comparable results in the pack, so the only cross-chip comparison available is the R23 multi-core loss.

Single-threaded performance is closer. The 5900HS posts a Cinebench R23 single-core score of 1475.5 and a 3DMark single-thread score of 871. The 7330U manages a Geekbench single-core score of 1514. Different benchmarks, but the numbers suggest the 7330U’s 4.30 GHz boost clock keeps it competitive in lightly threaded tasks despite the core deficit. The 5900HS’s 4.60 GHz boost gives it the theoretical edge, but the margin is small enough that real-world single-threaded performance would likely feel similar.

FAQ

Q: Which CPU is faster in multi-core workloads?

A: The AMD Ryzen 9 5900HS is significantly faster. In Cinebench R23 multi-core, it scores 12745.5 versus the Ryzen 3 7330U’s 6230, a 51.1% advantage.

Q: Do both chips use the same architecture?

A: Yes, both are Zen 3 architecture on TSMC’s 7 nm process, with the same 10,700 million transistors and 180 mm² die size. The 7330U is codenamed Barcelo-R, while the 5900HS is codenamed Cezanne.

Q: Which CPU has more cores and threads?

A: The Ryzen 9 5900HS has 8 cores and 16 threads. The Ryzen 3 7330U has 4 cores and 8 threads.

Q: Is there a difference in memory support?

A: Yes. The 7330U supports ECC memory and has a memory bandwidth of 51.2 GB/s. The 5900HS does not support ECC and has a higher memory bandwidth of 68.3 GB/s. Both support DDR4 in dual-channel configuration.

Q: Which chip has a higher boost clock?

A: The Ryzen 9 5900HS boosts to 4.60 GHz, while the Ryzen 3 7330U boosts to 4.30 GHz.

Q: How do their aggregate benchmark scores compare?

A: The Ryzen 3 7330U has an average benchmark score of 3958, which is 0.9% higher than the Ryzen 9 5900HS’s 3924. However, the 5900HS wins the only direct head-to-head test.

Architecture Differences

Both processors share the same fundamental Zen 3 architecture, manufactured by TSMC on a 7 nm process with 10,700 million transistors on a 180 mm² die. The foundry, process node, and transistor count are identical, which means the performance gap comes down to configuration rather than design generation. The 7330U is part of the 7000 series (Barcelo-R), while the 5900HS is from the 5000 series (Cezanne), but both are listed as Zen 3 with the Cezanne generation label.

The core count is the primary differentiator: the 7330U has 4 cores and 8 threads, while the 5900HS doubles that to 8 cores and 16 threads. This directly explains the multi-core benchmark disparity. Cache configuration follows the core count: each chip has 64 KB of L1 per core and 512 KB of L2 per core, but the 7330U has 8 MB of shared L3 versus 16 MB on the 5900HS. The larger L3 cache on the 5900HS reduces memory latency for frequently accessed data, further aiding multi-threaded performance.

Clock speeds also favor the 5900HS. Its base clock is 3.00 GHz with a 4.60 GHz boost, compared to the 7330U’s 2.30 GHz base and 4.30 GHz boost. The 5900HS also has a much higher TDP at 35 W versus 15 W, which allows it to sustain higher clocks under load. Both chips use the same AMD Socket FP6 and support PCIe Gen 3, though the 7330U specifies 16 lanes (CPU only) while the 5900HS lists simply “Gen 3.”

Integrated graphics differ as well: the 7330U carries Radeon Graphics (Vega 4), while the 5900HS has Radeon Vega 8. Memory bandwidth is higher on the 5900HS at 68.3 GB/s versus 51.2 GB/s, and ECC support is exclusive to the 7330U. Neither chip has an unlocked multiplier, and both are marked as active in production. The 7330U launched in January 2023, two years after the 5900HS’s January 2021 release, but both remain current parts in the mobile segment.