AMD EPYC 7352 vs Intel Core i7-14700K Comparison

The Intel Core i7-14700K and AMD EPYC 7352 occupy opposite ends of the computing spectrum, yet their benchmark data reveals a surprisingly competitive head-to-head. The Core i7, a desktop part with a 94th percentile ranking, trades blows with the server-class EPYC, which also sits at the 94th percentile. While the Intel chip wins 12 of the 17 benchmark comparisons, the AMD processor takes the overall average score crown in some key workloads. This analysis breaks down exactly where each processor dominates and what that means for prospective builders.

Head-to-Head Benchmarks

The most striking victory for the Intel Core i7-14700K comes in single-threaded performance. In the Passmark single-thread test, the Intel chip scores 4472 against the EPYC’s 1979, a staggering 126% lead. This is not a marginal advantage; it is a generational gap in raw per-core capability. The Cinebench R20 single-core test reinforces this, with the i7-14700K scoring 2617 versus the EPYC 7352’s 2034, a 28.7% advantage. The data suggests that for any workload that cannot scale across many cores, the Intel part is the clear choice.

However, the EPYC 7352 fights back in the Cinebench R23 single-core test, where it posts a score of 4844 against the Intel chip’s 2160, a 55.4% reversal. This is a peculiar outlier, given the R15 and R20 results, but it highlights how different rendering engines can yield wildly different results. The EPYC also wins Cinebench R23 multi-core with 34314 versus 33440.5, a slim 2.5% margin that shows the 24-core AMD part edging out the 20-core Intel part in a modern, heavily-threaded render.

In multi-core throughput, the Intel chip generally holds the upper hand. The Cinebench R15 multi-core test shows the i7-14700K at 5035 versus 3458 for the EPYC, a dominant 45.6% lead. The R20 multi-core test also favors Intel, with 18544 versus 14411, another 28.7% win. The Passmark multithread score confirms this trend, with Intel at 52392 and AMD at 40370, a 29.8% difference. The story is clear: in most Cinebench versions and Passmark’s general multithread test, the i7-14700K’s high clock speeds and hybrid architecture deliver more aggregate performance than the EPYC’s higher core count.

The floating-point math test is another major Intel win. The i7-14700K scores 134222 compared to the EPYC’s 87969, a 52.6% advantage. Similarly, integer math favors Intel by 23.1% (182876 vs 148605). Even in data compression, the Intel chip leads with 695234 versus 660712, a 5.2% edge. The EPYC does manage wins in data encryption (44426 vs 40091, a 9.8% lead) and prime number finding (301 vs 212, a 29.6% lead), but these are narrow victories compared to the scale of Intel’s wins in other areas.

Architecture Differences

The two processors are built on fundamentally different philosophies. The Intel Core i7-14700K uses the Raptor Lake architecture, built on Intel’s 10 nm process with a die size of 257 mm². It packs 20 cores and 28 threads, with a base clock of 3.40 GHz and a boost clock of 5.60 GHz. The EPYC 7352, by contrast, is a Zen 2 part codenamed Rome, fabricated by TSMC on a 7 nm process. It uses a chiplet design with four dies, each measuring 74 mm², totaling 15,200 million transistors. It offers 24 cores and 48 threads, but clocks are much lower at 2.30 GHz base and 3.20 GHz boost.

Cache hierarchies also diverge significantly. The Intel chip has 80 KB of L1 per core, 2 MB of L2 per core, and 33 MB of shared L3. The AMD part has more L1 per core at 96 KB, but less L2 at 512 KB per core. The critical difference is L3: the EPYC has 32 MB per die, adding up to a massive 128 MB total, compared to Intel’s 33 MB. This larger pool of L3 cache helps the EPYC in server workloads that repeatedly access large datasets.

Memory support is another major differentiator. The i7-14700K supports both DDR4 and DDR5 in a dual-channel configuration, while the EPYC 7352 is limited to DDR4 but uses an eight-channel memory bus. This gives the EPYC a theoretical memory bandwidth of 204.8 GB/s, a figure the Intel part cannot match due to its narrower bus. The EPYC also offers 128 PCIe Gen 4 lanes, while the Intel part provides 16 PCIe Gen 5 lanes. The Intel chip includes integrated UHD Graphics 770, whereas the EPYC has no integrated graphics at all. Both support ECC memory, but the EPYC is locked, while the Intel part has an unlocked multiplier.

Where Each One Wins

The Intel Core i7-14700K is the winner for any task that relies on high clock speeds and strong single-thread performance. In addition to its massive 126% lead in Passmark single-thread, it wins in Cinebench R15 and R20 single-core tests. It also dominates in floating-point math, integer math, and data compression, making it suitable for general desktop work, gaming, and content creation where per-core speed matters more than raw core count. The Passmark physics test also goes to Intel (2964 vs 2688, a 10.3% lead), indicating an advantage in simulated physics calculations.

The AMD EPYC 7352 is the specialist for highly parallel, memory-hungry server tasks. Its Cinebench R23 wins, both single and multi-core, suggest it is better optimized for the latest Cinebench renderer. The 29.6% lead in prime number finding indicates strength in cryptographic or mathematical workloads that benefit from many cores. The 9.8% win in data encryption is also notable, suggesting the EPYC’s architecture handles security-related tasks more efficiently. The eight-channel memory bus and 128 MB of L3 cache make it the better choice for virtualization, large database operations, and other enterprise workloads where memory bandwidth and cache capacity are critical.

FAQ

Q: Which processor has a higher single-thread score in Passmark?

A: The Intel Core i7-14700K scores 4472, which is 126% higher than the AMD EPYC 7352’s score of 1979.

Q: Does the AMD EPYC 7352 ever beat the Intel chip in multi-core tests?

A: Yes, the EPYC wins Cinebench R23 multi-core with a score of 34314, slightly ahead of the Intel chip’s 33440.5, a 2.5% margin.

Q: What is the memory bandwidth advantage for the EPYC 7352?

A: The EPYC 7352 has a memory bandwidth of 204.8 GB/s, supported by its eight-channel DDR4 memory bus, which the Intel part cannot match with its dual-channel configuration.

Q: How do their core and thread counts differ?

A: The Intel chip has 20 cores and 28 threads, while the AMD EPYC has 24 cores and 48 threads, giving the AMD part more raw thread count.

Q: Which processor wins in data encryption and by how much?

A: The AMD EPYC 7352 wins in data encryption, scoring 44426 compared to the Intel’s 40091, a 9.8% advantage.

Q: Do both processors support ECC memory?

A: Yes, both the Intel Core i7-14700K and the AMD EPYC 7352 have ECC memory support listed in their specifications.

The Verdict

The benchmark data presents a clear split. The Intel Core i7-14700K is the superior processor for single-threaded and lightly-threaded workloads, with a 126% lead in Passmark single-thread and a 52.6% lead in floating-point math. It wins 12 of the 17 head-to-head comparisons, making it the more versatile performer for most consumer and prosumer applications. Its high boost clock of 5.60 GHz and unlocked multiplier give it an edge in responsiveness and overclocking potential.

The AMD EPYC 7352 is the better choice for specific server-side tasks. Its wins in Cinebench R23, prime number finding, and data encryption point to strengths in rendering, cryptography, and data security. The massive 128 MB L3 cache and 204.8 GB/s memory bandwidth are unmatched by the Intel part, making the EPYC ideal for large-scale virtualization and database workloads where memory capacity and throughput are paramount. The data shows that while the Intel chip is the general-purpose winner, the EPYC is the specialist that wins where its architectural features are most relevant.