AMD Ryzen 5 7500X3D vs AMD Ryzen AI 5 340 Comparison

Where Each One Wins

The benchmark data splits this comparison cleanly by workload type. The AMD Ryzen 5 7500X3D wins 9 of the 11 recorded head-to-head tests, while the AMD Ryzen AI 5 340 takes only 2. The desktop part dominates in every multi-threaded and compute-heavy category. The mobile chip claims victory exclusively in single-thread performance.

For productivity and content creation, the Ryzen 5 7500X3D is the clear choice. Its PassMark multithread score of 25047 beats the Ryzen AI 5 340's 19506 by 28.4%. The gap widens further in physics simulation, where the 7500X3D scores 2779 against 1095, a 153.8% advantage. Prime number finding shows the largest single delta at 206.9%, with scores of 221 versus 72. These results indicate that CPU-bound rendering, scientific computing, and simulation workloads favor the desktop processor by a substantial margin.

The Ryzen AI 5 340 wins the single-thread race. Its PassMark single-thread score of 3683 outpaces the 7500X3D's 3494 by 5.1%. This matters for lightly threaded workloads, legacy applications, and tasks that depend on maximum clock speed rather than core scaling. The mobile chip also carries a 4.80 GHz boost clock versus 4.50 GHz on the desktop part, which aligns with this result.

The 7500X3D also leads in memory bandwidth. Its 83.2 GB/s specification trails the AI 5 340's 89.6 GB/s, yet the desktop chip still wins data compression by 18.2% (271649 versus 229796) and random string sorting by 32.2% (32999 versus 24970). The larger L3 cache appears to compensate for lower theoretical bandwidth in these tests.

The Ryzen 5 7500X3D's average benchmark score of 44573 places it at the 89th percentile of all CPUs in the database. Its nearest rival, the Intel Core i5-14600, scores 44889 (0.7% higher). The Ryzen AI 5 340 averages 25981, sitting at the 78th percentile, with the Intel Core i7-11700K at 25812 (0.7% lower) as its closest competitor.

Architecture Differences

The two processors come from different generations and serve different platforms. The Ryzen 5 7500X3D belongs to the 7000 series, using the Raphael codename with Zen 4 cores. It is built on a 5 nm process at TSMC with 11,270 million transistors on a 71 mm² die. The Ryzen AI 5 340 uses the Krackan Point codename with Zen 5 architecture, manufactured on a 4 nm process at the same foundry, with a larger 195 mm² die. Transistor count for the mobile part is not recorded in the database.

Cache configurations differ sharply. The desktop chip provides 64 KB of L1 per core and 1 MB of L2 per core, with 96 MB of shared L3 cache. The mobile part offers 80 KB of L1 per core and 1 MB of L2 per core, but only 8 MB of L3. This 12x difference in L3 capacity is the defining architectural split and explains much of the desktop part's advantage in cache-sensitive tests.

Both processors use six cores and twelve threads. The Ryzen AI 5 340 includes both Zen 5 and Zen 5c cores in its Ryzen AI 300 generation, while the 7500X3D uses uniform Zen 4 cores. The desktop part supports DDR5 memory only, in dual-channel configuration. The mobile chip supports both DDR5 and LPDDR5X, also dual-channel. ECC memory is supported on the 7500X3D but not on the AI 5 340.

PCIe connectivity differs as well. The desktop part offers Gen 5 with 24 lanes from the CPU. The mobile part provides Gen 4 with 16 lanes. Integrated graphics also differ: the 7500X3D includes Radeon Graphics, while the AI 5 340 carries the Radeon 840M. The AI 5 340 uses a 28 W TDP and the AMD Socket FP8, reflecting its mobile design. The 7500X3D has a 65 W TDP on AMD Socket AM5.

Head-to-Head Benchmarks

The largest victory for the Ryzen 5 7500X3D comes in prime number finding, where it scores 221 versus 72, a 206.9% lead. This test stresses integer throughput and cache bandwidth, both areas where the desktop chip's 96 MB L3 cache excels. Physics simulation shows the second-largest gap at 153.8%, with scores of 2779 and 1095. This workload scales heavily with multi-core efficiency and memory latency.

Data encryption favors the 7500X3D by 37.7%, scoring 15797 against 11470. Extended instruction performance, which includes AES and other specialized operations, goes to the desktop part by 24.4% (20455 versus 16440). Random string sorting, a memory-latency-sensitive test, shows a 32.2% advantage for the 7500X3D at 32999 versus 24970. Multithread performance overall lands at 25047 versus 19506, a 28.4% gap.

Integer math shows a 12.2% lead for the desktop chip (70774 versus 63078). Floating point math is closer, with the 7500X3D ahead by 9.1% (43594 versus 39967). Data compression gives the desktop part an 18.2% edge (271649 versus 229796).

The Ryzen AI 5 340's only wins are the two identical single-thread entries, both scoring 3683 against 3494, a 5.1% margin. This is consistent with its higher boost clock of 4.80 GHz compared to 4.50 GHz. The mobile chip also posts higher Cinebench scores per its recorded data: 1915.5 in Cinebench R23 single-core versus 1915 in R15 multicore for the desktop part, though these tests were not run on both chips in the shared head-to-head set.

Specification Differences

| Specification | AMD Ryzen 5 7500X3D | AMD Ryzen AI 5 340 |

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

| Cores | 6 | 6 |

| Threads | 12 | 12 |

| Base clock | 4.00 GHz | 2.00 GHz |

| Boost clock | 4.50 GHz | 4.80 GHz |

| TDP | 65 W | 28 W |

| Socket | AMD Socket AM5 | AMD Socket FP8 |

| Process node | 5 nm | 4 nm |

| Die size | 71 mm² | 195 mm² |

| L1 cache | 64 KB per core | 80 KB per core |

| L2 cache | 1 MB per core | 1 MB per core |

| L3 cache | 96 MB shared | 8 MB |

| Memory support | DDR5 | DDR5, LPDDR5X |

| Memory bandwidth | 83.2 GB/s | 89.6 GB/s |

| ECC memory | Yes | No |

| PCIe | Gen 5, 24 lanes | Gen 4, 16 lanes |

| Integrated graphics | Radeon Graphics | Radeon 840M |

| Market segment | Desktop | Mobile |

| Release date | 2025-11-11 | 2025-01-05 |

| Launch MSRP | $269 | Not recorded |

The base clock gap is substantial. The 7500X3D runs at 4.00 GHz, double the AI 5 340's 2.00 GHz. The mobile chip compensates with a higher boost clock of 4.80 GHz. Both processors are multiplier-unlocked, meaning neither allows user overclocking per the database.

The desktop part uses more L1 cache per core (64 KB versus 80 KB goes the other way: the AI 5 340 has 80 KB per core, which is larger). The L3 cache difference is the largest specification gap: 96 MB shared versus 8 MB. Transistor count is only recorded for the 7500X3D at 11,270 million. The AI 5 340's transistor figure is not listed.

FAQ

Q: Which processor has better single-thread performance?

A: The AMD Ryzen AI 5 340. Its PassMark single-thread score is 3683, which is 5.1% higher than the Ryzen 5 7500X3D's 3494.

Q: How much larger is the Ryzen 5 7500X3D's L3 cache?

A: The desktop chip has 96 MB of shared L3 cache, while the Ryzen AI 5 340 has 8 MB. That is a 12x difference.

Q: What is the TDP difference between the two processors?

A: The Ryzen 5 7500X3D has a 65 W TDP, and the Ryzen AI 5 340 has a 28 W TDP. The mobile chip consumes significantly less power.

Q: Which chip supports ECC memory?

A: The AMD Ryzen 5 7500X3D supports ECC memory. The AMD Ryzen AI 5 340 does not.

Q: Does the Ryzen AI 5 340 support LPDDR5X memory?

A: Yes. The Ryzen AI 5 340 supports both DDR5 and LPDDR5X, while the Ryzen 5 7500X3D supports DDR5 only.

Q: What is the average benchmark score for each processor?

A: The Ryzen 5 7500X3D averages 44573 and ranks at the 89th percentile of all CPUs. The Ryzen AI 5 340 averages 25981 and ranks at the 78th percentile.