AMD Ryzen 7 7735U vs AMD Ryzen AI 5 PRO 340 Comparison

The AMD Ryzen 7 7735U and the AMD Ryzen AI 5 PRO 340 are both 28-watt mobile processors, but they represent very different design philosophies within AMD’s lineup. The 7735U is an eight-core Zen 3+ part, while the AI 5 PRO 340 is a six-core Zen 5 part. Benchmark results show a clear split: the newer Zen 5 chip dominates single-threaded and multi-threaded rendering workloads, while the older eight-core chip fights back in several math and encryption tasks. The data shows 15 head-to-head benchmark comparisons, with the Ryzen AI 5 PRO 340 winning 8 of them and the Ryzen 7 7735U winning 7.

Head-to-Head Benchmarks

The most decisive victories for the AMD Ryzen AI 5 PRO 340 come in Cinebench tests. In Cinebench R23 single-core, the AI 5 PRO 340 scores 1802 against the 7735U’s 1490, a 17.3% advantage. Cinebench R15 single-core shows a similar gap: 276 versus 234, a 15.2% lead. These are the largest deltas in the entire comparison, indicating that the Zen 5 architecture provides a substantial per-thread performance uplift over Zen 3+. The multi-core Cinebench results also favor the AI 5 PRO 340, despite its two fewer cores. In Cinebench R23 multi-core, it scores 11534 versus 10085, a 12.6% lead. Cinebench R15 multi-core shows a smaller but still positive margin: 1743 versus 1698, a 2.6% advantage. This means the six Zen 5 cores outperform the eight Zen 3+ cores in heavily threaded rendering workloads.

The AI 5 PRO 340 also wins in PassMark’s single-threaded tests, scoring 3758 in both PassMark single-thread and single-thread variants, against the 7735U’s 3236, a 13.9% lead. It also takes PassMark find prime numbers with a score of 74 versus 57, a 23% advantage, and PassMark physics with 1084 versus 996, an 8.1% lead. These wins point to superior core efficiency and higher peak clocks, as the AI 5 PRO 340 boosts to 4.80 GHz compared with the 7735U’s 4.75 GHz.

The AMD Ryzen 7 7735U, however, uses its extra two cores to win the throughput-oriented PassMark tests. Its largest win is in PassMark data encryption, where it scores 15825 against 11212, a 41.1% margin. This is the biggest single delta in either direction across all benchmarks. PassMark integer math also goes heavily to the 7735U: 79580 versus 63233, a 25.9% lead. PassMark data compression shows a 13% advantage for the 7735U (250457 versus 221581). The 7735U also wins PassMark floating point math (42966 versus 39662, an 8.3% lead), PassMark random string sorting (26365 versus 24334, an 8.3% lead), PassMark extended instructions (16349 versus 15721, a 4% lead), and PassMark multi-thread (20723 versus 19215, a 7.8% lead).

These results indicate that the 7735U’s eight physical cores provide a real advantage in certain parallel integer and encryption workloads, even though its older architecture trails in rendering and single-thread performance. The average benchmark scores reflect this balance: the 7735U has an average score of 28350, while the AI 5 PRO 340 averages 27932. Both chips sit at the 80th percentile among all CPUs in the database. The 7735U’s nearest rival is the Intel Xeon 6337P with an average score of 28333 (a 0.1% difference), while the AI 5 PRO 340’s nearest rival is the AMD Ryzen 7 5800X3D at 27896 (a 0.1% difference).

FAQ

Q: Which processor has better single-core performance?

A: The AMD Ryzen AI 5 PRO 340 wins every single-threaded benchmark. It leads by 15.2% in Cinebench R15 single-core, 17.3% in Cinebench R23 single-core, and 13.9% in PassMark single-thread. Its boost clock is 4.80 GHz versus 4.75 GHz for the Ryzen 7 7735U.

Q: Does the Ryzen 7 7735U’s extra core count help in any workloads?

A: Yes, the data shows it wins 7 of the 15 head-to-head tests, all in PassMark workloads. Its largest advantage is 41.1% in data encryption, with a 25.9% lead in integer math and a 13% lead in data compression. These are tasks that scale well with more physical cores.

Q: Which chip is faster in Cinebench multi-core?

A: The AMD Ryzen AI 5 PRO 340, despite having only 6 cores versus 8 cores. It scores 11534 in Cinebench R23 multi-core compared with 10085 for the 7735U, a 12.6% advantage. In Cinebench R15 multi-core, it leads 1743 to 1698, a 2.6% margin.

Q: What are the architecture differences between these two?

A: The Ryzen 7 7735U uses Zen 3+ architecture on a 6 nm process with a codename of Rembrandt-R. The Ryzen AI 5 PRO 340 uses Zen 5 architecture on a 4 nm process with a codename of Krackan Point. The AI 5 PRO 340 also has a larger L1 cache of 80 KB per core versus 64 KB, and 1 MB L2 per core versus 512 KB, but only 8 MB of shared L3 against 16 MB.

Q: Which processor has higher memory bandwidth?

A: The AMD Ryzen AI 5 PRO 340 supports DDR5 and LPDDR5X memory with 89.6 GB/s bandwidth. The Ryzen 7 7735U supports only DDR5 with 76.8 GB/s bandwidth. Both use a dual-channel memory bus.

Q: How do their average benchmark scores compare?

A: The Ryzen 7 7735U has an average benchmark score of 28350, while the Ryzen AI 5 PRO 340 averages 27932. Both are at the 80th percentile among all CPUs. The 7735U’s nearest rival is the Intel Xeon 6337P with a 0.1% delta, while the AI 5 PRO 340’s nearest rival is the AMD Ryzen 7 5800X3D with a 0.1% delta.

Where Each One Wins

The AMD Ryzen AI 5 PRO 340 is the clear choice for single-threaded and rendering workloads. Its Cinebench scores are consistently higher, with a 17.3% lead in R23 single-core and a 12.6% lead in R23 multi-core. This makes it suitable for applications that rely on per-core speed, such as web browsing, office productivity, and lightly threaded creative tools. The PassMark physics score of 1084 versus 996 (an 8.1% lead) also suggests better performance in physics simulations, which often rely on a mix of single-thread and multi-thread efficiency. The 23% lead in find prime numbers reinforces its arithmetic efficiency.

The AMD Ryzen 7 7735U wins in data-centric and parallel integer workloads. Its 41.1% lead in data encryption and 25.9% lead in integer math show that its eight cores provide a substantial advantage in tasks like file encryption, compression, and certain database operations. The 13% lead in data compression and 8.3% lead in floating point math further support its strengths in batch processing and number crunching. The 7.8% lead in PassMark multi-thread is notable as a general measure of parallel throughput, despite the AI 5 PRO 340 winning Cinebench multi-core. This suggests that the 7735U’s advantage is workload-specific, favoring integer-heavy PassMark tests over the floating-point-heavy Cinebench tests.

For users who run a mix of workloads, the choice depends on the dominant task type. The AI 5 PRO 340 offers a more modern architecture with better single-core performance, which is often the limiting factor in everyday responsiveness. The 7735U, on the other hand, provides higher raw throughput in encryption and integer math, which can be critical for specialized professional tools.

Specification Differences

The two processors differ in several core specifications. The Ryzen 7 7735U has 8 cores and 16 threads, while the Ryzen AI 5 PRO 340 has 6 cores and 12 threads. Base clocks differ significantly: the 7735U runs at 2.70 GHz, while the AI 5 PRO 340 runs at 2.00 GHz. Boost clocks are close, with the AI 5 PRO 340 reaching 4.80 GHz versus 4.75 GHz for the 7735U. Both have a 28-watt TDP.

The memory support differs. The 7735U supports DDR5 only, with a dual-channel bus and 76.8 GB/s bandwidth. The AI 5 PRO 340 supports both DDR5 and LPDDR5X, also dual-channel, but with a higher 89.6 GB/s bandwidth. Both support ECC memory.

The PCIe configuration is different. The 7735U offers Gen 4 with 20 lanes (CPU only), while the AI 5 PRO 340 offers Gen 4 with 16 lanes (CPU only). The integrated graphics also differ: the 7735U features Radeon 680M, while the AI 5 PRO 340 features Radeon 840M.

The sockets are not interchangeable. The 7735U uses AMD Socket FP7, while the AI 5 PRO 340 uses AMD Socket FP8. The release dates differ as well, with the 7735U released in January 2023 and the AI 5 PRO 340 in January 2025. Neither chip has an unlocked multiplier, and both are active in production.

Architecture Differences

The architectural gap is significant. The Ryzen 7 7735U is built on Zen 3+ architecture, codenamed Rembrandt-R, fabricated on a 6 nm process by TSMC with a die size of 208 mm². The Ryzen AI 5 PRO 340 uses the newer Zen 5 architecture, codenamed Krackan Point, on a 4 nm process also by TSMC, with a slightly smaller die at 195 mm². The generation names reflect this: the 7735U is part of the 7000 series, while the AI 5 PRO 340 belongs to the Ryzen AI PRO 300 series with a hybrid Zen 5 / Zen 5c design.

Cache structures differ substantially. The 7735U has 64 KB of L1 cache per core, 512 KB of L2 per core, and 16 MB of shared L3. The AI 5 PRO 340 has a larger 80 KB L1 per core and 1 MB L2 per core, but only 8 MB of shared L3. This means the AI 5 PRO 340 has more per-core cache for faster access, but half the total L3 capacity for the whole chip. The smaller L3 may impact certain workloads that rely on large shared caches, though the benchmark data shows the AI 5 PRO 340 still wins in most tested scenarios.

The integrated graphics also reflect the generational change. The 7735U’s Radeon 680M is paired with Zen 3+ cores, while the AI 5 PRO 340’s Radeon 840M is paired with Zen 5 cores. The memory controller on the AI 5 PRO 340 supports LPDDR5X in addition to DDR5, and the higher memory bandwidth of 89.6 GB/s versus 76.8 GB/s indicates a more capable memory subsystem. The process node shrink from 6 nm to 4 nm likely contributes to the AI 5 PRO 340’s higher boost clock and better single-core efficiency, even with a lower base clock.

The Verdict

The data presents a nuanced picture. The AMD Ryzen AI 5 PRO 340 is the superior processor for single-threaded performance and rendering workloads. Its 17.3% lead in Cinebench R23 single-core and 12.6% lead in Cinebench R23 multi-core are decisive. For users running modern applications that favor high IPC and clock speed, the AI 5 PRO 340 is the better choice. Its higher memory bandwidth and support for LPDDR5X also make it more suitable for thin-and-light laptops where memory speed matters.

The AMD Ryzen 7 7735U is the better option for specific parallel workloads, particularly those involving encryption and integer math. Its 41.1% lead in data encryption and 25.9% lead in integer math are substantial. For users who frequently compress files, handle encrypted data, or run integer-heavy simulations, the 7735U’s eight cores provide a tangible benefit. The 7.8% lead in PassMark multi-thread also gives it a general throughput advantage in some multi-threaded scenarios, even if Cinebench favors the AI 5 PRO 340.

Both chips sit at the 80th percentile among all CPUs, and their average benchmark scores are within 1.5% of each other (28350 versus 27932). The AI 5 PRO 340 wins 8 of 15 head-to-head tests, while the 7735U wins 7. The choice ultimately comes down to workload. The AI 5 PRO 340 is the modern, well-rounded choice for everyday performance and creative work. The 7735U is a specialized tool for encryption and integer-heavy tasks. Buyers should match the chip to their primary applications, as neither is a universal winner.