AMD EPYC 7402 vs AMD EPYC 7452 Comparison

Both AMD EPYC 7402 and AMD EPYC 7452 are 7 nm Zen 2 Rome processors on the AMD Socket SP3 platform, released on the same date. The data shows the EPYC 7402 wins every single benchmark in the head-to-head comparison, though by extremely narrow margins. The EPYC 7402 is the faster part in all six Cinebench tests, while the EPYC 7452 counters with a higher core count and lower power envelope. This is a classic case where raw performance per core and per clock favors one chip, while the other offers more physical resources for scaling workloads.

The Verdict

The AMD EPYC 7402 is the pick for anyone prioritizing peak benchmark performance, as it wins all six head-to-head Cinebench tests. The margins are tiny—the largest delta is just 0.4% in Cinebench R15 single-core—but they are consistent across every test. The EPYC 7402’s average benchmark score of 11312 edges out the EPYC 7452’s 11279, a 0.3% advantage. Both chips sit at the 66th percentile versus all CPUs, placing them in the same performance tier. For single-threaded workloads, the EPYC 7402’s higher 2.80 GHz base clock and identical 3.35 GHz boost clock give it a slight edge, reflected in its single-core wins. The EPYC 7452, however, offers 32 cores versus 24, which means it should be considered when more parallel threads are needed, despite losing in the benchmark suite. Neither chip is dramatically better; the EPYC 7402 is the benchmark champion, while the EPYC 7452 is the core-count play with a 25-watt lower TDP.

Architecture Differences

Both processors share the same fundamental architecture: Zen 2, codename Rome, built on TSMC’s 7 nm process. They are both part of the EPYC 7002 series and use the AMD Socket SP3. The core configurations differ significantly. The EPYC 7402 features 24 cores and 48 threads, while the EPYC 7452 features 32 cores and 64 threads. This 8-core, 16-thread advantage for the EPYC 7452 is its main architectural differentiator. The EPYC 7402 compensates with a higher base clock of 2.80 GHz versus the EPYC 7452’s 2.20 GHz; both boost to 3.35 GHz. The TDP also differs, with the EPYC 7402 at 180 watts and the EPYC 7452 at a lower 155 watts.

The cache layouts are notably different. The EPYC 7402 lists L1 cache as 64 KB per core and L3 as 32 MB per die, with a total of 128 MB. The EPYC 7452 lists L1 as 96 KB per core and L3 as 128 MB shared, with no total L3 figure given. The EPYC 7402’s transistor count is listed as 15,200 million across a die size of 4x 74 mm², whereas the EPYC 7452 lists 3,800 million transistors on a single 74 mm² die. Both support DDR4 memory with an eight-channel bus and 204.8 GB/s bandwidth, and both support ECC memory. PCIe support is Gen 4, with the EPYC 7402 specifying 128 lanes (CPU only); the EPYC 7452 simply states Gen 4. Neither has integrated graphics, and both are locked multipliers. The EPYC 7402 carries a launch MSRP of $1783; the EPYC 7452 has no listed launch MSRP.

Where Each One Wins

The benchmark data is unambiguous: the EPYC 7402 wins every single test. In Cinebench R15 multicore, it scores 3942 versus 3930, a 0.3% lead. In R15 single-core, it scores 556 versus 554, a 0.4% lead. The R20 tests show the same pattern: multicore 16426 versus 16377 (0.3%), single-core 2318 versus 2312 (0.3%). The R23 results continue the trend: multicore 39110 versus 38993 (0.3%), single-core 5521 versus 5505 (0.3%). The EPYC 7402 wins all six head-to-head matchups.

However, the EPYC 7452’s wins are not in the benchmark scores but in its specifications. It offers 32 cores and 64 threads, which is 33% more cores than the EPYC 7402’s 24 cores and 48 threads. For workloads that scale perfectly with core count, the EPYC 7452 has the theoretical advantage, even if the Cinebench results do not reflect it. The EPYC 7452 also runs at a lower 155-watt TDP, which could be a factor in dense server environments where power density matters. The EPYC 7402’s wins are in every measured performance test, plus it has a higher base clock. So, the EPYC 7402 wins on measured performance, while the EPYC 7452 wins on core count and power efficiency.

FAQ

Q: Which processor has a higher average benchmark score?

A: The AMD EPYC 7402 has an average benchmark score of 11312, while the AMD EPYC 7452 has an average score of 11279. This gives the EPYC 7402 a 0.3% advantage.

Q: How many cores and threads does each processor have?

A: The AMD EPYC 7402 has 24 cores and 48 threads. The AMD EPYC 7452 has 32 cores and 64 threads.

Q: Are the single-core performance differences significant?

A: No, they are minimal. The EPYC 7402 leads in Cinebench R15 single-core with 556 versus 554 (0.4% delta), and in R20 single-core with 2318 versus 2312 (0.3% delta). In R23 single-core, the EPYC 7402 scores 5521 versus 5505 (0.3% delta).

Q: What are the base and boost clock speeds?

A: The EPYC 7402 has a base clock of 2.80 GHz and a boost clock of 3.35 GHz. The EPYC 7452 has a base clock of 2.20 GHz and the same 3.35 GHz boost clock.

Q: Which processor has the lower TDP?

A: The AMD EPYC 7452 has a TDP of 155 watts, which is lower than the EPYC 7402’s 180 watts.

Q: Do both processors support the same memory configuration?

A: Yes, both support DDR4 memory with an eight-channel bus and a memory bandwidth of 204.8 GB/s. Both also support ECC memory.

Head-to-Head Benchmarks

The head-to-head results show a pattern of consistent, albeit narrow, victories for the AMD EPYC 7402. The largest margin is in Cinebench R15 single-core, where the EPYC 7402 scores 556 against the EPYC 7452’s 554, a 0.4% delta. This is the only test where the delta exceeds 0.3%. The multicore tests are all 0.3% in favor of the EPYC 7402. In Cinebench R15 multicore, the scores are 3942 versus 3930. The R20 multicore test shows 16426 versus 16377, and the R20 single-core test shows 2318 versus 2312, both 0.3% deltas. The R23 tests wrap up the sweep: multicore 39110 versus 38993 and single-core 5521 versus 5505, each with a 0.3% delta.

The consistency of these results is striking. Across all six tests, the EPYC 7402 maintains a lead, but the gap never widens beyond a fraction of a percent. The average benchmark scores confirm this: the EPYC 7402’s 11312 is only 0.3% higher than the EPYC 7452’s 11279. The nearest rivals list for the EPYC 7402 includes the AMD EPYC 73F3 with an average score of 11334 (a -0.2% delta from the EPYC 7402) and the Intel Core i5-1145G7 with an average score of 11279 (a 0.3% delta). For the EPYC 7452, its nearest rivals include the same Intel Core i5-1145G7 at 11279 (0% delta) and the AMD EPYC 73F3 at 11334 (a -0.5% delta). This places both chips in a tight cluster. The data shows that the EPYC 7402 is the performance leader in this matchup, but the EPYC 7452 is never far behind, making the choice dependent on whether 24 fast cores or 32 slightly slower cores are preferred.