AMD Ryzen 7 5800X3D vs AMD Ryzen 7 7735U Comparison

Head-to-Head Benchmarks

The benchmark data paints a clear picture: the AMD Ryzen 7 5800X3D dominates nearly every metric, winning 14 of the 17 recorded comparisons. The Ryzen 7 7735U manages just three wins, and two of those are essentially statistical ties. The 5800X3D holds a decisive edge in heavily threaded workloads, with its largest margin in prime number finding, where it scores 227 versus 57, a 74.9% advantage. The physics test shows a similar gulf, with the 5800X3D scoring 2884 against 996, a 65.5% lead.

Multi-core rendering follows the same trend. In Cinebench R23 multi-core, the 5800X3D scores 14317 versus 10085, a 29.6% gap. The Geekbench multi-core result is even more lopsided: 11765 versus 7216, a 38.7% difference. Cinebench R15 multi-core mirrors the R23 result at 29.6% behind. The 5800X3D also leads in PassMark multithread by 26.8% (28309 versus 20723) and in data compression by 24% (329688 versus 250457).

The 7735U does claim a real, if modest, victory in Cinebench R23 single-core, scoring 1490 against 1452, a 2.6% win. It also edges out the 5800X3D in PassMark single-thread by a hair, 3236 versus 3234, a 0.1% margin that is within noise. Those two wins aside, the 5800X3D takes single-core honors in Cinebench R15 (241 versus 234, a 2.9% lead) and Geekbench single-core (2017 versus 1442, a 28.5% advantage). The 5800X3D also leads in integer math by 10.2%, floating point by 14.2%, extended instructions by 27.6%, data encryption by 21.9%, and random string sorting by 21.9%.

The average benchmark score reflects the overall balance: the 7735U sits at 28350, the 5800X3D at 27896. Both processors land at the 80th percentile among all CPUs in the database. The 7735U's nearest rivals include the Intel Xeon 6337P at 28333 (0.1% delta) and the Intel Core i9-11950H at 28332 (0.1% delta), while the 5800X3D compares most closely to the AMD Ryzen 7 6800U at 27887 (0% delta) and the Intel Core i9-10900K at 27872 (0.1% delta). The comparable average scores and identical percentile placement show that despite the 5800X3D's dominance in the head-to-head, the two chips occupy the same overall performance tier in the database's broader rankings.

FAQ

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

A: The Ryzen 7 5800X3D wins every multi-core test in the comparison. Its Cinebench R23 multi-core score is 14317 versus 10085, a 29.6% lead, and its Geekbench multi-core score is 11765 versus 7216, a 38.7% advantage.

Q: Does the Ryzen 7 7735U win any benchmark at all?

A: Yes, it wins Cinebench R23 single-core with 1490 versus 1452 (2.6% ahead) and PassMark single-thread with 3236 versus 3234 (0.1% ahead). The PassMark result is effectively a tie.

Q: How do the two chips compare in single-core performance?

A: The results are mixed. The 7735U leads in Cinebench R23 single-core by 2.6% and PassMark single-thread by 0.1%, while the 5800X3D leads in Cinebench R15 single-core by 2.9% and Geekbench single-core by 28.5%.

Q: What is the largest performance gap between the two?

A: The biggest gap is in PassMark find prime numbers, where the 5800X3D scores 227 versus 57, a 74.9% lead. The PassMark physics test is the second largest gap at 65.5% in favor of the 5800X3D.

Q: What are the average benchmark scores for each processor?

A: The Ryzen 7 7735U has an average benchmark score of 28350, while the Ryzen 7 5800X3D averages 27896. Both sit at the 80th percentile of all CPUs in the database.

Q: Which processor has better data compression and encryption performance?

A: The 5800X3D leads in both. Data compression scores 329688 versus 250457 (24% ahead), and data encryption scores 20258 versus 15825 (21.9% ahead).

Where Each One Wins

The Ryzen 7 5800X3D is the clear choice for any workload that scales across cores. Its 38.7% lead in Geekbench multi-core and 29.6% lead in Cinebench R23 multi-core make it the stronger pick for rendering, video encoding, and heavy compilation tasks. The PassMark multithread result, 28309 versus 20723, reinforces this. The 5800X3D also handles memory-heavy operations well, with a 24% lead in data compression and a 21.9% edge in random string sorting. For scientific or mathematical workloads, the 74.9% advantage in prime number finding and the 65.5% lead in physics simulation are decisive. Encryption tasks also favor the 5800X3D by 21.9%.

The Ryzen 7 7735U is not without its niches. It wins Cinebench R23 single-core by 2.6%, which suggests a slight edge in lightly threaded tasks that use that specific benchmark. Its PassMark single-thread score of 3236 is functionally identical to the 5800X3D's 3234, so everyday single-threaded responsiveness should feel similar. The 7735U also carries integrated graphics, the Radeon 680M, which the 5800X3D lacks entirely. That makes the 7735U a more complete package for a system without a discrete GPU.

Specification Differences

The two processors diverge sharply on platform and power. The Ryzen 7 7735U uses AMD Socket FP7, while the 5800X3D uses AMD Socket AM4. Thermal design power differs dramatically: the 7735U is rated at 28 watts, the 5800X3D at 105 watts. Clock speeds also differ. The 7735U has a base clock of 2.70 GHz and a boost clock of 4.75 GHz. The 5800X3D has a higher base clock of 3.40 GHz but a lower boost clock of 4.50 GHz.

Memory support separates the two further. The 7735U supports DDR5 with a dual-channel bus and 76.8 GB/s of bandwidth. The 5800X3D supports DDR4, also dual-channel, but with 51.2 GB/s of bandwidth. Both support ECC memory. PCIe connectivity is identical on paper: Gen 4 with 20 lanes from the CPU.

The 7735U includes integrated Radeon 680M graphics; the 5800X3D has no integrated graphics. The 7735U is classified as a mobile part and remains active in production, while the 5800X3D is a desktop part that is end-of-life. The 7735U was released on 2023-01-03, and the 5800X3D was released on 2022-04-19. Neither processor has an unlocked multiplier. The 7735U carries part numbers 100-000000987(FP7) and 100-000000991(FP7r2); the 5800X3D is part number 100-000000651. The 5800X3D has a launch MSRP of $449.

Architecture Differences

The Ryzen 7 7735U is built on Zen 3+ architecture, codenamed Rembrandt-R, part of the 7000 series. The Ryzen 7 5800X3D uses Zen 3, codenamed Vermeer, from the 5000 series. The process nodes differ: the 7735U uses a 6 nm process, while the 5800X3D uses 7 nm. Both are fabricated by TSMC.

Cache configurations set these chips apart. Both have 64 KB of L1 per core and 512 KB of L2 per core, but L3 cache differs substantially. The 7735U has 16 MB of shared L3. The 5800X3D has 96 MB of shared L3. The 5800X3D's larger L3 is its defining architectural feature and explains its strong showing in cache-sensitive workloads like data compression and prime number finding.

The 5800X3D also has a much larger die despite the older process node: 74 mm² with 8,850 million transistors. The 7735U has a die size of 208 mm², with transistor count not recorded in the database. The 7735U's larger die reflects its integrated Radeon 680M graphics and memory controller for DDR5. Both chips have 8 cores and 16 threads, and both use a dual-channel memory bus.

The Verdict

The data supports a straightforward recommendation. The Ryzen 7 5800X3D is the stronger processor for raw performance in almost every measured category. It wins 14 of 17 head-to-head benchmarks, including all multi-core tests, all math and physics workloads, and all memory-intensive tasks. Its 96 MB of L3 cache gives it a significant advantage in applications that benefit from large working sets, as shown by the 74.9% lead in prime number finding and the 24% lead in data compression. The 5800X3D is the pick for a desktop builder who wants maximum compute performance and does not need integrated graphics.

The Ryzen 7 7735U is the better fit for a different set of priorities. Its 28-watt TDP versus 105 watts makes it suitable for compact or power-sensitive systems, and its integrated Radeon 680M graphics means a working display output without a discrete GPU. It also supports DDR5 memory, which offers higher bandwidth on paper. Its single-core results are competitive, with a 2.6% win in Cinebench R23 single-core and a near tie in PassMark single-thread. The 7735U is the choice when efficiency, mobility, and an all-in-one platform matter more than peak multi-threaded throughput.

For buyers weighing the two, the decision comes down to use case. A desktop system aimed at rendering, simulation, or cache-heavy workloads should use the 5800X3D. A laptop or low-power build that still needs solid 8-core performance and integrated graphics should use the 7735U. The 5800X3D is end-of-life, while the 7735U remains active, which may matter for long-term availability. Both processors sit at the 80th percentile in the database, but the 5800X3D delivers its performance with far more consistency across the benchmark suite.