AMD Ryzen 5 2500X vs Intel Core i5-8600 Comparison

The AMD Ryzen 5 2500X and the Intel Core i5-8600 are both 65W desktop processors from the same era, but the benchmark database shows a clear, consistent winner. The Intel Core i5-8600 outperforms the AMD Ryzen 5 2500X in every single recorded benchmark, with a lead of roughly 5% across the board. The data shows the i5-8600 is the faster CPU in both single-threaded and multi-threaded workloads, although the Ryzen part offers simultaneous multithreading and a lower launch price point, making the choice dependent on whether raw performance or platform flexibility is prioritized.

FAQ

Q: Which processor has more cores?

A: The Intel Core i5-8600 has 6 cores, while the AMD Ryzen 5 2500X has 4 cores. The Ryzen part compensates with 8 threads, but the Intel chip has 6 threads.

Q: What is the performance difference in the most recent Cinebench test?

A: In Cinebench R23, the Intel Core i5-8600 scores 8486 in multi-core and 1198 in single-core, while the AMD Ryzen 5 2500X scores 8036 and 1134 respectively. This gives Intel a 5.3% lead in both tests.

Q: Which processor has a higher boost clock?

A: The Intel Core i5-8600 has a higher boost clock of 4.30 GHz, compared to the AMD Ryzen 5 2500X's 4.00 GHz boost clock.

Q: Does the AMD processor have integrated graphics?

A: No, the AMD Ryzen 5 2500X does not have integrated graphics. The Intel Core i5-8600 includes UHD Graphics 630.

Q: Which CPU has a larger L3 cache?

A: The Intel Core i5-8600 has a larger L3 cache of 9 MB shared, while the AMD Ryzen 5 2500X has 8 MB shared.

Q: Are both processors unlocked for overclocking?

A: No, only the AMD Ryzen 5 2500X has an unlocked multiplier. The Intel Core i5-8600 has a locked multiplier.

Architecture Differences

The AMD Ryzen 5 2500X is built on the Zen architecture, specifically the Zen+ (Pinnacle Ridge) generation, using a 12 nm process manufactured by GlobalFoundries. The Intel Core i5-8600 uses the Coffee Lake architecture on a 14 nm process from Intel. This process difference is significant, with AMD's chip being smaller at 213 mm² despite having more transistors (4,800 million), while Intel's die is 154 mm².

The core configurations differ fundamentally. The Ryzen 5 2500X features 4 cores and 8 threads, enabling simultaneous multithreading, a feature absent in the i5-8600 which has 6 cores and 6 threads. The Intel chip relies on its higher core count and superior clock speeds to achieve better performance. The Ryzen part has a base clock of 3.60 GHz and a boost of 4.00 GHz, while the i5-8600 has a lower base of 3.10 GHz but a higher boost of 4.30 GHz.

Cache hierarchies also vary. The Ryzen 5 2500X has 96 KB of L1 cache per core, 512 KB of L2 per core, and 8 MB of shared L3. The i5-8600 has smaller per-core caches (64 KB L1, 256 KB L2) but a larger shared L3 pool at 9 MB. Memory bandwidth figures favor AMD slightly, with 46.9 GB/s versus Intel's 42.7 GB/s, though both support dual-channel DDR4 memory. Neither processor supports ECC memory.

The AMD part is on the AM4 socket and has an unlocked multiplier, making it a candidate for overclocking. The Intel chip uses Socket 1151 and has a locked multiplier. A notable difference is the presence of integrated graphics on the Intel chip (UHD Graphics 630), which the AMD processor lacks entirely. The i5-8600 also has a launch MSRP of $213, while the Ryzen part has no recorded price in the database.

Head-to-Head Benchmarks

The database records six head-to-head benchmarks, and the Intel Core i5-8600 wins all six. The margins are remarkably consistent, ranging from 5.0% to 5.4% in Intel's favor.

In Cinebench R15, the i5-8600 scores 855 in multi-core against the Ryzen 5 2500X's 810, a 5.3% lead. In single-core, the Intel part scores 120 versus 114, a 5% advantage. The pattern continues in Cinebench R20, where the multi-core scores are 3564 for Intel and 3375 for AMD (5.3% delta), and single-core scores are 503 versus 476 (5.4% delta).

The latest Cinebench R23 results repeat the same story: Intel's 8486 multi-core score beats AMD's 8036 by 5.3%, and its 1198 single-core score beats AMD's 1134 by 5.3%. The Geekbench tests are not included in the head-to-head comparison, but the AMD part records a multi-core score of 3813 and a single-core score of 1126 there.

These consistent deltas indicate that the Intel i5-8600 has a uniform performance advantage across different rendering workloads, likely stemming from its stronger single-thread performance and higher core count. The Ryzen 5 2500X's extra threads do not translate into a multi-core win, as the i5-8600's two additional physical cores prove more effective in these benchmarks.

Specification Differences

The two processors differ in several key specification fields. The AMD Ryzen 5 2500X uses the AMD Socket AM4, while the Intel Core i5-8600 uses Intel Socket 1151. The manufacturing process differs: AMD uses 12 nm from GlobalFoundries, while Intel uses 14 nm. The AMD chip's die size is 213 mm², whereas the Intel chip is smaller at 154 mm². The AMD part integrates 4,800 million transistors, a figure not recorded for the Intel part.

Core and thread counts are a major differentiator: 4 cores and 8 threads for AMD versus 6 cores and 6 threads for Intel. Base clocks are 3.60 GHz for the Ryzen and 3.10 GHz for the i5, but boost clocks flip the order: 4.00 GHz for AMD and 4.30 GHz for Intel. The cache layout is different, with the Ryzen offering larger per-core L1 and L2 caches but a smaller L3 pool (8 MB vs 9 MB).

The Ryzen 5 2500X has a higher memory bandwidth rating at 46.9 GB/s compared to 42.7 GB/s for the i5-8600. The Intel chip includes integrated graphics (UHD Graphics 630), while the AMD chip has none. The Ryzen part has an unlocked multiplier, the Intel part does not. The AMD processor is marked as Active in production, while the Intel processor is End-of-life. The release dates also differ, with the i5-8600 launching earlier in 2018-02-13 and the Ryzen 5 2500X later in 2018-09-09.

The Verdict

The benchmark data delivers a clear verdict: the Intel Core i5-8600 is the superior performer in every measured workload. It wins all six head-to-head benchmarks with a consistent margin of around 5.3%. The i5-8600's higher boost clock (4.30 GHz vs 4.00 GHz) and two additional physical cores give it an edge that the Ryzen 5 2500X's simultaneous multithreading cannot overcome.

For users prioritizing raw compute performance in Cinebench workloads, the Intel Core i5-8600 is the definitive choice. Its average benchmark score of 2454 versus the Ryzen's 2361 further supports this, as does its placement among nearest rivals like the Intel Core i5-9600, which it trails by only 0.3%.

The AMD Ryzen 5 2500X is not without merit. Its unlocked multiplier, newer 12 nm process, and higher memory bandwidth are notable features. However, the recorded data shows no scenario where the Ryzen part wins a benchmark. The Intel chip's production status is end-of-life, which may affect long-term availability, but its performance credentials are fully established by the measurements.

Where Each One Wins

The Intel Core i5-8600 wins in all single-threaded and multi-threaded Cinebench R15, R20, and R23 tests. Its margin is tight but consistent, making it the pick for any workload that resembles these rendering tasks. The i5-8600 is also the only option with integrated graphics, meaning it can operate without a discrete GPU, a practical advantage for basic systems.

The AMD Ryzen 5 2500X wins in the specification arena rather than in benchmarks. It offers an unlocked multiplier for overclocking, a feature the locked Intel chip lacks. It also has a smaller process node (12 nm vs 14 nm) and a higher memory bandwidth rating (46.9 GB/s vs 42.7 GB/s). For a user with a compatible AM4 motherboard, the Ryzen part provides flexibility for tuning, but the data shows no performance win to reward that effort.

In summary, the database shows the i5-8600 as the faster processor in all recorded tests, while the Ryzen 5 2500X offers platform features that do not translate into benchmark victories. The choice hinges on whether a user values the Intel chip's proven performance edge or the AMD chip's overclocking and process advantages.