AMD Ryzen 5 40 vs AMD Ryzen AI 9 465 Comparison

The AMD Ryzen 5 40 and AMD Ryzen AI 9 465 are both mobile processors from AMD, but they occupy very different positions in the performance spectrum. The Ryzen 5 40 is a 4-core, 8-thread part based on the older Zen 2 architecture, while the Ryzen AI 9 465 is a 10-core, 20-thread processor built on Zen 5. Benchmark data in the database shows a consistent and substantial advantage for the Ryzen AI 9 465 across every recorded test, with the Ryzen 5 40 winning none of the 15 head-to-head comparisons.

FAQ

Q: Which processor has more cores and threads?

A: The AMD Ryzen AI 9 465 has 10 cores and 20 threads, while the AMD Ryzen 5 40 has 4 cores and 8 threads.

Q: What is the boost clock difference between the two?

A: The Ryzen AI 9 465 boosts to 5.00 GHz, while the Ryzen 5 40 boosts to 4.30 GHz. The base clocks are 2.00 GHz for the Ryzen AI 9 465 and 2.80 GHz for the Ryzen 5 40.

Q: How large is the L3 cache difference?

A: The Ryzen AI 9 465 has 16 MB of shared L3 cache, whereas the Ryzen 5 40 has 4 MB of shared L3 cache. The Ryzen AI 9 465 also has 80 KB L1 and 1 MB L2 per core, compared to 64 KB L1 and 512 KB L2 per core on the Ryzen 5 40.

Q: Which processor has a higher average benchmark score?

A: The Ryzen AI 9 465 has an average benchmark score of 43431, placing it in the 88th percentile of all CPUs. The Ryzen 5 40 has an average score of 15882, placing it in the 70th percentile.

Q: What are the process nodes for each chip?

A: The Ryzen AI 9 465 is fabricated on a 4 nm process, while the Ryzen 5 40 uses a 6 nm process. Both are produced by TSMC.

Q: Which processor supports faster memory?

A: The Ryzen AI 9 465 supports DDR5 and LPDDR5X memory, while the Ryzen 5 40 supports LPDDR5 only. The memory bandwidth is also higher on the Ryzen AI 9 465 at 89.6 GB/s versus 88.0 GB/s.

Where Each One Wins

The recorded benchmark results show a clean sweep for the AMD Ryzen AI 9 465, which wins all 15 head-to-head tests. There is no workload category in the database where the AMD Ryzen 5 40 comes out ahead. That said, the two processors are designed for different tiers of mobile computing, and the Ryzen 5 40’s strengths are relative to its own class rather than against this particular rival.

The Ryzen 5 40, with its 15 W TDP and 4 cores, is positioned for power-conscious ultrathin laptops where sustained battery life and low heat matter more than raw throughput. Its Zen 2 architecture and 6 nm node keep power draw modest, and its integrated Radeon 610M graphics are sufficient for basic display output and light media tasks. In this context, the Ryzen 5 40 delivers adequate single-threaded performance for everyday productivity, as shown by its passmark single-thread score of 2477, which is not far off from some older mainstream desktop chips.

The Ryzen AI 9 465, by contrast, targets higher-performance thin-and-light or mainstream notebooks. Its 28 W TDP and 10 cores provide a large multi-threaded advantage, which directly translates to faster video encoding, software compilation, and other parallel workloads. The Ryzen AI 9 465 also leads decisively in single-threaded tests, thanks to its higher boost clock and newer Zen 5 core design. For users running demanding applications such as 3D rendering or scientific simulations, the Ryzen AI 9 465 is the clear choice based on the benchmark data.

Architecture Differences

The two processors come from different architectural generations and use different socket types. The AMD Ryzen 5 40 uses the Zen 2 architecture with the codename Mendocino, and it fits into the AMD Socket FT6. The AMD Ryzen AI 9 465 uses the Zen 5 architecture with the codename Gorgon Point, and it fits into the AMD Socket FP8. The Ryzen AI 9 465’s generation is listed as Ryzen AI 400, which combines Zen 5 and Zen 5c cores, while the Ryzen 5 40 is a pure Zen 2 design.

The process node difference is significant: the Ryzen 5 40 is built on TSMC’s 6 nm node, while the Ryzen AI 9 465 is built on TSMC’s 4 nm node. The die size reflects the complexity gap, with the Ryzen 5 40 measuring 100 mm² and the Ryzen AI 9 465 measuring 233 mm². The newer 4 nm process allows for higher transistor density and better power efficiency per core, which contributes to the Ryzen AI 9 465’s performance lead despite its higher TDP.

Cache hierarchy also differs substantially. The Ryzen 5 40 provides 64 KB of L1 and 512 KB of L2 per core, with a shared 4 MB L3 cache. The Ryzen AI 9 465 provides 80 KB of L1 and 1 MB of L2 per core, with a shared 16 MB L3 cache. The larger L3 cache on the Ryzen AI 9 465 is particularly beneficial for workloads with large working sets, such as database queries or complex simulations, as it reduces the need to access slower main memory.

Memory support differs as well. The Ryzen 5 40 supports LPDDR5 memory in a dual-channel configuration, while the Ryzen AI 9 465 supports both DDR5 and LPDDR5X, also in dual-channel mode. The measured memory bandwidth is close, with 88.0 GB/s for the Ryzen 5 40 and 89.6 GB/s for the Ryzen AI 9 465, but the newer memory types on the Ryzen AI 9 465 offer better latency characteristics in practice.

PCIe connectivity is another differentiator. The Ryzen 5 40 uses PCIe Gen 3 with 4 lanes, while the Ryzen AI 9 465 uses PCIe Gen 4 with 16 lanes. This means the Ryzen AI 9 465 can support faster NVMe storage and more external devices without bandwidth bottlenecks.

Specification Differences

The most obvious specification gap is in core count: the Ryzen 5 40 has 4 cores and 8 threads, while the Ryzen AI 9 465 has 10 cores and 20 threads. This 2.5x core advantage is a primary driver of the multi-threaded benchmark results.

Clock speeds also differ. The Ryzen 5 40 has a base clock of 2.80 GHz and a boost clock of 4.30 GHz. The Ryzen AI 9 465 has a lower base clock of 2.00 GHz but a much higher boost clock of 5.00 GHz. The lower base clock on the Ryzen AI 9 465 is likely due to thermal management across its 10 cores, but the higher boost clock gives it a clear single-threaded edge.

TDP is another key difference: the Ryzen 5 40 is rated at 15 W, while the Ryzen AI 9 465 is rated at 28 W. This higher power envelope allows the Ryzen AI 9 465 to sustain higher clocks under load, which is reflected in its multi-core scores.

The integrated graphics differ as well. The Ryzen 5 40 uses the Radeon 610M, while the Ryzen AI 9 465 uses the Radeon 880M. While the database does not include graphics benchmarks, the newer Radeon 880M is architecturally more advanced and pairs with the faster memory support of the Ryzen AI 9 465.

The two chips also use different sockets, so they are not interchangeable in a motherboard: the Ryzen 5 40 uses AMD Socket FT6, and the Ryzen AI 9 465 uses AMD Socket FP8. Neither processor has an unlocked multiplier, and both are listed as active production parts. The Ryzen AI 9 465 has a part number of 100-000001861, while the Ryzen 5 40’s part number is unknown in the database.

Head-to-Head Benchmarks

The database records 15 head-to-head comparisons, and the AMD Ryzen AI 9 465 wins all of them. The largest margin comes in the passmark find prime numbers test, where the Ryzen AI 9 465 scores 124 against the Ryzen 5 40’s 20, a difference of 83.9 percent. This test is highly sensitive to both core count and clock speed, and the Ryzen AI 9 465’s combination of 10 cores and 5.00 GHz boost clock dominates.

In cinebench r23 multicore, the Ryzen AI 9 465 scores 17462.5 versus 4841 for the Ryzen 5 40, a 72.3 percent advantage. This is a classic heavily threaded workload, and the 2.5x core count difference shows up directly. The cinebench r15 multicore test tells a similar story, with the Ryzen AI 9 465 scoring 2672.5 against 790, a 70.4 percent gap.

Single-threaded performance also favors the Ryzen AI 9 465, though by a smaller margin. In cinebench r23 singlecore, the Ryzen AI 9 465 scores 1996.5 versus 1150 for the Ryzen 5 40, a 42.4 percent lead. The cinebench r15 singlecore test shows 247 versus 165.5, a 33 percent gap. These results reflect the combination of a higher boost clock and the newer Zen 5 architecture’s improved instructions-per-clock.

Passmark tests show consistent leads across different instruction types. In floating point math, the Ryzen AI 9 465 scores 62411 versus 15194, a 75.7 percent advantage. Integer math shows 99156 versus 31598, a 68.1 percent lead. Extended instructions, which test AVX and other SIMD capabilities, have the Ryzen AI 9 465 at 24773 versus 6437, a 74 percent advantage.

Data compression and encryption also go to the Ryzen AI 9 465. The data compression score is 349463 versus 141533, a 59.5 percent difference, and data encryption is 17601 versus 6646, a 62.2 percent difference. These workloads benefit from both core count and cache size, and the Ryzen AI 9 465’s 16 MB L3 cache helps keep more data in fast memory.

The passmark multithread score shows 28986 for the Ryzen AI 9 465 against 9341 for the Ryzen 5 40, a 67.8 percent lead. The physics test, which simulates rigid body dynamics, has the Ryzen AI 9 465 at 1689 versus 432, a 74.4 percent advantage. Random string sorting shows 37379 versus 15124, a 59.5 percent gap.

The passmark single-thread score, recorded twice in the database, shows 3750 for the Ryzen AI 9 465 and 2477 for the Ryzen 5 40, a 33.9 percent difference. This confirms that even in lightly threaded tasks, the Ryzen AI 9 465 is significantly faster.

Across all tests, the Ryzen AI 9 465’s average benchmark score of 43431 places it well above the Ryzen 5 40’s 15882. The nearest rivals for the Ryzen AI 9 465 include the AMD Ryzen AI Max PRO 385, which scores 43326 (0.2 percent behind), and the Intel Core Ultra 9 386H, which scores 43210 (0.5 percent behind). The Ryzen 5 40’s nearest rivals include the AMD EPYC 75F3 at 15859 (0.1 percent behind) and the Intel Core Ultra 5 134U at 15910 (0.2 percent ahead). These rival comparisons show that each processor is competitive within its own performance tier, but the two tiers are far apart.