AMD Ryzen 5 7500X3D vs Intel Core 3 305 Comparison

FAQ

Q: Which processor has the higher average benchmark score?

A: The AMD Ryzen 5 7500X3D records an average benchmark score of 44573, while the Intel Core 3 305 records 18302. The AMD part sits in the 89th percentile of all CPUs, compared to the Intel part's 72nd percentile.

Q: Does the Intel Core 3 305 win any head-to-head benchmark comparisons?

A: Yes, it wins the PassMark single-thread test with a score of 3977 versus 3494 for the AMD Ryzen 5 7500X3D, a delta of 12.1% in Intel's favor. This result appears twice in the comparison set.

Q: How large is the performance gap in multi-threaded workloads?

A: The AMD Ryzen 5 7500X3D scores 25047 in PassMark multi-thread versus 15439 for the Intel Core 3 305, a 62.2% advantage. The gap is even wider in integer math, where AMD leads by 119.1%.

Q: What are the core and thread counts for each processor?

A: Both have 6 physical cores. The AMD Ryzen 5 7500X3D supports 12 threads, while the Intel Core 3 305 supports 6 threads, meaning the Intel part has no hyper-threading capability.

Q: Which processor has the larger L3 cache?

A: The AMD Ryzen 5 7500X3D has 96 MB of shared L3 cache. The Intel Core 3 305 has 6 MB of shared L3 cache, a 16x difference in favor of AMD.

Q: What process nodes do the two processors use?

A: The AMD Ryzen 5 7500X3D is built on a 5 nm process at TSMC. The Intel Core 3 305 uses Intel's 3 nm process.

Architecture Differences

The AMD Ryzen 5 7500X3D belongs to the 7000 series, codenamed Raphael, and is built on the Zen 4 architecture. It uses a 5 nm process from TSMC with a die size of 71 mm² and 11,270 million transistors. The Intel Core 3 305 carries the Wildcat Lake codename and uses Intel's 3 nm process, though the database records no transistor count or die size for it.

The two processors occupy different market segments. The AMD part is a desktop chip on AMD Socket AM5, while the Intel part is a mobile chip on Intel BGA 1516. This aligns with their power envelopes: the AMD Ryzen 5 7500X3D has a 65 W TDP, and the Intel Core 3 305 has a 15 W TDP.

Cache organization differs substantially. The AMD processor allocates 64 KB of L1 cache per core and 1 MB of L2 cache per core, culminating in 96 MB of shared L3 cache. The Intel processor reports 192 KB of L1 cache total, 2.5 MB of L2 cache, and 6 MB of shared L3 cache. The L3 disparity alone, 96 MB versus 6 MB, represents the largest architectural gap between the two.

Memory support also diverges. The AMD Ryzen 5 7500X3D supports DDR5 memory on a dual-channel bus with 83.2 GB/s bandwidth and ECC memory support. The Intel Core 3 305 supports both DDR5 and LPDDR5X on a single-channel bus with 59.7 GB/s bandwidth and no ECC support.

PCIe connectivity differs as well. The AMD part provides Gen 5 with 24 lanes (CPU only), whereas the Intel part provides Gen 4 with 6 lanes (CPU only). Integrated graphics also differ: AMD uses Radeon Graphics, while Intel uses Xe3 Graphics with 1 Xe core.

The AMD Ryzen 5 7500X3D has a base clock of 4.00 GHz and a boost clock of 4.50 GHz. The Intel Core 3 305 has a base clock of 1.50 GHz and a boost clock of 4.30 GHz. The Intel part's lower base clock reflects its mobile, low-power design, though its boost clock comes within 0.20 GHz of the AMD part.

Neither processor has an unlocked multiplier. The AMD part was released on 2025-11-11, and the Intel part on 2026-04-15.

Head-to-Head Benchmarks

The AMD Ryzen 5 7500X3D dominates the head-to-head comparison, winning 9 of 11 recorded tests. The Intel Core 3 305 wins the remaining 2, both of which are the same single-thread test.

The single-thread result is the Intel part's only meaningful victory. It scores 3977 in PassMark single-thread against 3494 for the AMD processor, a 12.1% margin. This suggests that the Intel Core 3 305's architecture, despite its lower boost clock of 4.30 GHz versus 4.50 GHz, delivers stronger per-core performance in lightly threaded work. The 3 nm process and Wildcat Lake design appear to compensate for the clock deficit.

Every other benchmark falls to the AMD Ryzen 5 7500X3D, often by wide margins. The largest gap appears in PassMark physics, where AMD scores 2779 against Intel's 1233, a 125.4% difference. Integer math follows closely: AMD scores 70774 versus 32295, a 119.1% advantage. Prime number generation shows a 92.2% gap, with AMD at 221 and Intel at 115.

Data compression favors AMD heavily. The AMD Ryzen 5 7500X3D scores 271649 versus 146857 for the Intel Core 3 305, an 85% difference. Random string sorting shows a similar pattern: AMD at 32999 versus Intel at 17623, a 87.2% gap. Extended instruction performance gives AMD 20455 against Intel's 13543, a 51% margin.

Data encryption is closer but still clearly in AMD's favor: 15797 versus 11019, a 43.4% advantage. Floating point math is the tightest multi-threaded test, with AMD scoring 43594 and Intel scoring 42284, a modest 3.1% lead for AMD.

The multi-thread benchmark itself, which aggregates overall parallel performance, shows AMD at 25047 versus Intel at 15439, a 62.2% advantage. This aligns with the thread count difference: AMD has 12 threads versus Intel's 6. The AMD processor's larger L3 cache and dual-channel memory bandwidth likely contribute to the pronounced scaling in parallel workloads.

The average benchmark scores mirror these results. AMD's average of 44573 places it among rivals like the Intel Core Ultra X9 388H at 44466 (0.2% behind AMD) and the Intel Core i9-13950HX at 44342 (0.5% behind AMD). The Intel Core 3 305, at 18302, sits near the Intel Core i3-14100 at 18318 (0.1% ahead of Intel) and the Intel Core 5 330 at 18345 (0.2% ahead of Intel). The delta between the two processors' average scores is roughly 143%, a substantial gulf.

The Verdict

The data indicates a clear performance hierarchy between these two processors. The AMD Ryzen 5 7500X3D wins 9 of 11 head-to-head tests and holds an average benchmark score more than double that of the Intel Core 3 305. The AMD part's 62.2% lead in multi-thread, 119.1% lead in integer math, and 125.4% lead in physics point to a processor that scales far better across parallel workloads.

The Intel Core 3 305 has one distinct advantage: single-thread performance. Its 12.1% lead in PassMark single-thread suggests that applications relying on one or two cores would run more responsively on the Intel part. The Intel processor also uses less power, with a 15 W TDP versus 65 W for AMD, and supports both DDR5 and LPDDR5X memory, though on a single-channel bus.

The market segments reinforce the intended use cases. The AMD Ryzen 5 7500X3D is a desktop part on Socket AM5 with 24 PCIe Gen 5 lanes, 96 MB of L3 cache, and dual-channel DDR5 with ECC. The Intel Core 3 305 is a mobile part on BGA 1516 with 6 PCIe Gen 4 lanes, 6 MB of L3 cache, and single-channel memory. The AMD part targets desktop builders who need sustained multi-threaded throughput, while the Intel part targets mobile systems where the 15 W TDP and compact BGA socket matter more.

For users prioritizing raw compute, the AMD Ryzen 5 7500X3D is the obvious choice. Its 92.2% lead in prime number generation and 87.2% lead in random string sorting indicate strong integer and sorting throughput, while the 3.1% margin in floating point shows it also handles FP-heavy tasks at least as well. The Intel Core 3 305, conversely, suits workloads where single-thread latency dominates and where the mobile form factor with 15 W power draw is a requirement.

The percentile rankings confirm the split: AMD at 89th percentile versus Intel at 72nd percentile. The nearest rivals for AMD, such as the Intel Core i9-13950HX at 44342, all sit within 0.7% of its average score, suggesting tight competition at the top. The Intel Core 3 305's rivals, including the Intel Core i3-14100 at 18318, are similarly clustered. Neither processor stands far above its immediate competition, but the gap between the two products themselves is decisive.

Specification Differences

| Specification | AMD Ryzen 5 7500X3D | Intel Core 3 305 |

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

| Cores | 6 | 6 |

| Threads | 12 | 6 |

| Base clock | 4.00 GHz | 1.50 GHz |

| Boost clock | 4.50 GHz | 4.30 GHz |

| TDP | 65 W | 15 W |

| Socket | AMD Socket AM5 | Intel BGA 1516 |

| Codename | Raphael | Wildcat Lake |

| Process node | 5 nm (TSMC) | 3 nm (Intel) |

| L1 cache | 64 KB per core | 192 KB total |

| L2 cache | 1 MB per core | 2.5 MB total |

| L3 cache | 96 MB shared | 6 MB shared |

| Memory support | DDR5 | DDR5, LPDDR5X |

| Memory bus | Dual-channel | Single-channel |

| Memory bandwidth | 83.2 GB/s | 59.7 GB/s |

| ECC memory | Yes | No |

| PCIe | Gen 5, 24 lanes | Gen 4, 6 lanes |

| Integrated graphics | Radeon Graphics | Intel Xe3 Graphics (1 Xe) |

| Market segment | Desktop | Mobile |

| Release date | 2025-11-11 | 2026-04-15 |

| Launch MSRP | $269 | $309 |

| Multiplier unlocked | No | No |