AMD Ryzen 9 5900HS vs AMD Ryzen Threadripper 1900X Comparison

Where Each One Wins

The recorded benchmark data splits the two processors evenly: the AMD Ryzen Threadripper 1900X and the AMD Ryzen 9 5900HS each claim two wins in the head-to-head tests. The split is not random, it follows the workload type. The Threadripper 1900X dominates the newer Cinebench R23 suite, while the 5900HS takes the older Cinebench R15 suite.

For single-threaded work in Cinebench R23, the Threadripper 1900X leads by 36.6%. That is the largest margin in either direction across the four shared tests. The same processor also wins multi-threaded Cinebench R23, but by a much narrower 12.1%. These results suggest the desktop part holds an advantage in sustained, modern rendering tasks.

The 5900HS counters in Cinebench R15. It beats the Threadripper by 29.4% in multi-core and by 14.2% in single-core. This older test suite favors the mobile chip's higher boost clock and newer architecture. The 5900HS also brings additional benchmark coverage that the Threadripper lacks: 3DMark results for 2, 4, 8, 16, and max threads, plus a single-thread score. In those, the 5900HS shows a strong scaling pattern. The 2-thread score is 1690, the 4-thread score is 3133, the 8-thread score is 5049, and the 16-thread score is 6011. The max-thread score of 5992 sits just below the 16-thread result, indicating the chip reaches its practical ceiling at 16 threads.

The Threadripper has no 3DMark entries in the database, so its behavior in that suite cannot be compared directly. What can be stated is that the two chips win in different generations of Cinebench and that no single processor sweeps the shared tests.

Architecture Differences

The two CPUs come from different eras and different design philosophies. The Threadripper 1900X is a 1000 series desktop part built on the Zen architecture, codenamed Whitehaven. It uses a 14 nm process from GlobalFoundries. The 5900HS is a 5000 series mobile part built on Zen 3, codenamed Cezanne, using TSMC's 7 nm process. The node shrink is significant: 14 nm versus 7 nm, which directly affects power efficiency and transistor density.

Both chips have 8 cores and 16 threads. The Threadripper packs 9,600 million transistors across a dual-die design with each die measuring 213 mm², for a combined die size of 426 mm². The 5900HS integrates 10,700 million transistors on a single 180 mm² die. That means the mobile chip fits more transistors into less than half the silicon area.

Cache configurations differ notably. The Threadripper uses 96 KB of L1 per core and 512 KB of L2 per core, with 32 MB of L3. The 5900HS uses 64 KB of L1 per core and 512 KB of L2 per core, with 16 MB of shared L3. The Threadripper has twice the L3 capacity. The 5900HS offsets this with a different L1 layout, smaller per core, but a much newer architecture.

Memory paths also diverge. The Threadripper supports quad-channel DDR4 with a theoretical bandwidth of 85.3 GB/s. The 5900HS uses dual-channel DDR4 with 68.3 GB/s. The desktop part has a 20% bandwidth advantage in the recorded specifications. PCIe support is Gen 3 on both, but the Threadripper provides 60 lanes from the CPU, while the 5900HS lists only Gen 3 without a lane count. The Threadripper has an unlocked multiplier; the 5900HS does not. The 5900HS includes integrated Radeon Vega 8 graphics, while the Threadripper has no integrated graphics at all.

Clock behavior tells a story of design intent. The Threadripper runs a base clock of 3.80 GHz and a boost of 4.00 GHz, a narrow range. The 5900HS runs a base of 3.00 GHz and a boost of 4.60 GHz, a much wider range. The mobile chip boosts far higher but idles far lower. The Threadripper's TDP is 180 W, the 5900HS is 35 W. That is a 145 W gap, and it explains the socket differences: the Threadripper uses AMD Socket SP3r2, the 5900HS uses AMD Socket FP6. One is a workstation-class desktop platform, the other is a mobile platform.

Head-to-Head Benchmarks

The four shared benchmarks reveal a split by generation of the test suite. In Cinebench R15 multi-core, the 5900HS scores 2041 against the Threadripper's 1440, a 29.4% advantage. In Cinebench R15 single-core, the 5900HS scores 236.5 against 203, a 14.2% advantage. The mobile chip wins both R15 tests decisively.

The picture reverses in Cinebench R23. The Threadripper scores 14286 in multi-core against the 5900HS's 12745.5, a 12.1% lead. In single-core, the Threadripper scores 2016 against 1475.5, a 36.6% lead. The desktop part wins both R23 tests, and the single-core margin is the largest of the entire comparison.

Interpreting these numbers requires noting the architecture gap. The 5900HS launches with Zen 3, a much newer core design, which explains its R15 dominance despite a far lower TDP. The Threadripper's older Zen cores still manage to win R23, likely due to the higher sustained power envelope and the larger 32 MB L3 cache. The R23 single-core result is particularly striking: 2016 versus 1475.5. That 540.5 point gap suggests the Threadripper's boost behavior in this workload is not limited by thermals in the same way a 35 W mobile chip might be.

The 5900HS's additional 3DMark data gives context for its multi-threaded scaling. The 4-thread score of 3133 is roughly 1.85 times the 2-thread score of 1690. The 8-thread score of 5049 is roughly 1.61 times the 4-thread score. The 16-thread score of 6011 is only 1.19 times the 8-thread score. Diminishing returns appear as thread count rises, which is typical for a chip with 8 physical cores and 16 threads. The single-thread 3DMark score of 871 is less than half the 2-thread score, indicating decent scaling from one to two threads.

Overall average benchmark scores place the two chips close. The Threadripper averages 4073 across its recorded tests, the 5900HS averages 3924. The Threadripper sits at the 57th percentile of all CPUs, the 5900HS at the 56th. The nearest rivals for the Threadripper include the Intel Core i5-12500TE at 4083 (0.3% higher), the Intel Xeon E-2278G at 4052 (0.5% lower), and the AMD Ryzen 7 PRO 2700X at 4114 (1% higher). The 5900HS's nearest rivals include the Intel Xeon E-2278GE at 3939 (0.4% higher), the AMD Ryzen 5 4600GE at 3906 (0.5% lower), and the AMD Ryzen 3 7330U at 3958 (0.9% higher). Both chips sit within 2% of their nearest competitors, meaning neither is an outlier in its own performance class.

The Verdict

The data supports a clear split by use case. The Threadripper 1900X is the better choice for modern rendering workloads, as demonstrated by its Cinebench R23 wins. It also offers a much higher memory bandwidth of 85.3 GB/s over quad-channel DDR4, 60 PCIe Gen 3 lanes, and 32 MB of L3 cache. These are platform-level advantages that matter for desktop productivity builds where expansion and memory throughput are priorities. Its launch MSRP is $549.

The 5900HS is the better choice for older benchmark suites and for mobile deployments. It wins both Cinebench R15 tests with margins of 29.4% and 14.2%. Its 35 W TDP makes it suitable for thin-and-light laptops, and its integrated Radeon Vega 8 graphics remove the need for a discrete GPU in basic systems. The 4.60 GHz boost clock is the highest of the two chips, and its 7 nm process gives it a transistor density advantage on a single 180 mm² die.

For anyone selecting between them today, the decision hinges on platform rather than raw core count. Both have 8 cores and 16 threads. The Threadripper trades power efficiency and newer architecture for platform features: quad-channel memory, 60 PCIe lanes, and an unlocked multiplier. The 5900HS trades those features for a 145 W lower TDP, a much higher boost clock, and integrated graphics. The Threadripper's R23 single-core lead of 36.6% is the single largest performance gap in the shared tests, and it is the strongest argument for the desktop part in modern single-threaded workloads.

FAQ

Q: Which CPU has more cores and threads?

A: Both have exactly 8 cores and 16 threads. The core and thread counts are identical.

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

A: The AMD Ryzen Threadripper 1900X scores 14286 versus the AMD Ryzen 9 5900HS's 12745.5, a 12.1% lead.

Q: Which processor wins Cinebench R15 single-core?

A: The AMD Ryzen 9 5900HS scores 236.5 versus the Threadripper's 203, a 14.2% advantage.

Q: What is the TDP difference between the two?

A: The Threadripper 1900X has a TDP of 180 W, while the 5900HS has a TDP of 35 W. The desktop chip draws 145 W more.

Q: Does either CPU include integrated graphics?

A: Only the AMD Ryzen 9 5900HS includes integrated graphics, a Radeon Vega 8. The Threadripper 1900X has no integrated graphics.

Q: How do their memory buses compare?

A: The Threadripper 1900X supports quad-channel DDR4 with 85.3 GB/s bandwidth. The 5900HS supports dual-channel DDR4 with 68.3 GB/s bandwidth.

Specification Differences

| Field | AMD Ryzen Threadripper 1900X | AMD Ryzen 9 5900HS |

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

| Series | 1000 series | 5000 series |

| Base Clock | 3.80 GHz | 3.00 GHz |

| Boost Clock | 4.00 GHz | 4.60 GHz |

| TDP | 180 W | 35 W |

| Socket | AMD Socket SP3r2 | AMD Socket FP6 |

| Architecture | Zen | Zen 3 |

| Codename | Zen | Cezanne |

| Generation | Ryzen Threadripper (Zen (Whitehaven)) | Ryzen 9 (Zen 3 (Cezanne)) |

| Process Node | 14 nm | 7 nm |

| Foundry | GlobalFoundries | TSMC |

| Transistors | 9,600 million | 10,700 million |

| Die Size | 2x 213 mm² | 180 mm² |

| L1 Cache | 96 KB (per core) | 64 KB (per core) |

| L2 Cache | 512 KB (per core) | 512 KB (per core) |

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

| Memory Bus | Quad-channel | Dual-channel |

| Memory Bandwidth | 85.3 GB/s | 68.3 GB/s |

| PCIe | Gen 3, 60 Lanes (CPU only) | Gen 3 |

| Integrated Graphics | None | Radeon Vega 8 |

| Market Segment | Desktop | Mobile |

| Release Date | 2017-08-30 | 2021-01-11 |

| Multiplier Unlocked | Yes | No |

| Part Number | YD190XA8AEWOFYD190XA8U8SAE | 100-000000300 |