AMD EPYC 7313P vs AMD EPYC 8124P Comparison

AMD EPYC 8124P vs AMD EPYC 7313P is a matchup between two 16-core server processors that produce a surprisingly one-sided outcome. The data is unambiguous: the older Zen 3-based EPYC 7313P dominates the Zen 4c-based EPYC 8124P in nearly every measurable workload, winning 16 of 17 head-to-head benchmarks. The 8124P manages only a single victory, and even that is narrow. For most server and workstation tasks, the 7313P is the clear performance leader, while the 8124P’s sole claim to relevance lies in a very specific memory-access pattern.

Where Each One Wins

The AMD EPYC 7313P is the default choice for virtually any compute-heavy workload. Its wins span the entire Cinebench suite—R15, R20, and R23—in both single-core and multi-core tests, with margins consistently around 12.4-12.5%. The 7313P also sweeps all Passmark CPU tests except one, including integer math (145558 vs 123513), floating-point math (82260 vs 72395), data encryption (35727 vs 30743), and physics (4229 vs 3356). The largest gap appears in prime number finding, where the 7313P scores 346 versus the 8124P’s 222, a 35.8% advantage that indicates a substantial single-thread efficiency edge.

The AMD EPYC 8124P wins exactly one benchmark: Passmark random string sorting, scoring 64067 against the 7313P’s 62596. That 2.3% margin is small and isolated. It suggests the 8124P’s memory subsystem or cache hierarchy handles random access patterns slightly better, but this is a narrow, niche advantage. In every other category—from multithreaded rendering to data compression—the 7313P leads by double-digit percentages. The average benchmark scores confirm this: the 7313P averages 53206 versus the 8124P’s 52121, a 2.1% overall difference that understates the per-test gaps because the 8124P’s one win and several close calls pull its average up.

The 8124P’s only realistic use case is a workload dominated by random string sorting, where its modest edge could tip the scales. For everything else—rendering, encryption, compression, physics, general integer and floating-point math—the 7313P is the superior processor. The 8124P’s higher percentile ranking (94th vs 94th) is identical, but that masks the fact that the 7313P sits 2.1% higher in average score and beats its rival in 16 of 17 tests.

FAQ

Q: Which processor has a higher average benchmark score?

A: The AMD EPYC 7313P, with an average benchmark score of 53206, compared to the EPYC 8124P’s 52121. This represents a 2.1% advantage for the 7313P, and it sits 0.5% ahead of the Intel Xeon Phi 7290 in its nearest rival list.

Q: Is the EPYC 8124P better at any single benchmark?

A: Yes, the 8124P wins the Passmark random string sorting test with a score of 64067, beating the 7313P’s 62596 by 2.3%. This is the only head-to-head benchmark the 8124P wins out of 17 total tests.

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

A: The 7313P leads by 12.4% in Cinebench R23 multi-core (34952 vs 30611) and by the same margin in Cinebench R15 multi-core (3522 vs 3085). The Passmark multithread test shows a 12.4% gap as well (41121 vs 36014).

Q: Which processor has the better single-core performance?

A: The 7313P wins all single-core tests. In Cinebench R23 single-core, it scores 4934 versus 4321, a 12.4% lead. Passmark single-thread shows 2634 versus 2271, a 13.8% advantage.

Q: Do both processors use the same socket?

A: No. The EPYC 8124P uses AMD Socket SP6, while the EPYC 7313P uses AMD Socket SP3. They are not interchangeable.

Q: What is the difference in memory bandwidth?

A: The 8124P has a higher theoretical memory bandwidth of 230.4 GB/s with six-channel DDR5, while the 7313P offers 204.8 GB/s with eight-channel DDR4. Despite the 8124P’s higher bandwidth number, it loses all memory-sensitive benchmarks except random string sorting.

Head-to-Head Benchmarks

The most striking pattern is the uniform 12.4% delta across all three Cinebench multi-core versions. From R15 (3085 vs 3522) through R20 (12856 vs 14679) to R23 (30611 vs 34952), the 7313P maintains an identical advantage, indicating that the performance difference scales consistently regardless of render complexity. Single-core Cinebench results follow the same script: R15 shows 435 vs 497 (-12.5%), R20 shows 1814 vs 2072 (-12.5%), and R23 shows 4321 vs 4934 (-12.4%). These consistent margins suggest a fixed clock and IPC advantage for the 7313P, not a workload-specific quirk.

Passmark results amplify the gap in specific areas. The prime number test is the 7313P’s biggest win: 346 versus 222, a 35.8% margin that dwarfs every other delta. This extreme gap likely reflects the 7313P’s higher boost clock (3.70 GHz vs 3.00 GHz) and more efficient Zen 3 core design. Physics simulation shows a 20.6% gap (4229 vs 3356), while integer math trails by 15.1% (145558 vs 123513). Data encryption is 14% worse for the 8124P (30743 vs 35727), and floating-point math is 12% behind (72395 vs 82260). Even data compression, which often favors newer architectures, goes to the 7313P by 11.3% (528167 vs 468411).

The 8124P’s lone win in random string sorting (64067 vs 62596) is a 2.3% margin, the smallest delta in the entire head-to-head set. This outlier is not enough to suggest any broader trend. The 7313P wins the Passmark multithread test (41121 vs 36014) by 12.4%, and single-thread (2634 vs 2271) by 13.8%. Across all 17 benchmarks, the 8124P only avoids a double-digit loss in that single sorting test; every other result shows at least a 9.5% deficit.

Specification Differences

The two processors share the same core and thread counts—16 cores and 32 threads—but diverge on nearly every other specification. The EPYC 7313P has a base clock of 3.00 GHz and a boost clock of 3.70 GHz, while the EPYC 8124P runs at 2.45 GHz base and 3.00 GHz boost. This 0.70 GHz boost clock gap is the most obvious driver of the performance difference. Thermal design power also differs: the 7313P draws 155W versus the 8124P’s 125W, meaning the 7313P uses more power to deliver its superior performance.

The sockets are incompatible: the 8124P uses AMD Socket SP6, while the 7313P uses AMD Socket SP3. Memory support differs fundamentally—the 8124P uses DDR5 with a six-channel memory bus, while the 7313P uses DDR4 with an eight-channel bus. Despite having fewer channels, the 8124P claims a higher memory bandwidth of 230.4 GB/s versus the 7313P’s 204.8 GB/s. However, this theoretical advantage does not translate into benchmark wins.

PCIe connectivity also differs: the 8124P offers Gen 5 with 96 lanes, while the 7313P provides Gen 4 with 128 lanes. The 8124P has more modern PCIe generations but fewer lanes. Launch MSRP differs as well: the 8124P launched at $639, while the 7313P launched at $913. The 7313P also has a different part number (100-000000339100-100000339WOF) versus the 8124P’s 100-000001135.

Architecture Differences

The architectural gap is generational but counterintuitive. The EPYC 8124P uses Zen 4c architecture on a 5 nm process (TSMC), with a codename of Siena and a die size of 2x 73 mm². It packs 17,750 million transistors. The EPYC 7313P uses the older Zen 3 architecture on a 7 nm process (also TSMC), with a codename of Milan and a die size of 4x 81 mm², containing 16,600 million transistors. Despite being on a smaller process node, the 8124P does not deliver better performance.

Cache configurations differ significantly. Both have 64 KB of L1 cache per core and 1 MB of L2 cache per core on the 8124P, but the 7313P has only 512 KB of L2 per core. The L3 cache tells the opposite story: the 7313P has 128 MB shared, while the 8124P has 64 MB shared. This doubling of L3 cache in the 7313P likely contributes to its wins in data-heavy workloads like encryption and compression.

The 8124P’s Zen 4c cores are designed for density and efficiency, which explains its lower clocks and TDP. The 7313P’s full-size Zen 3 cores prioritize raw performance, with higher clocks and more cache. Both support ECC memory, and neither has integrated graphics or an unlocked multiplier. The 8124P’s release date is September 2023, while the 7313P’s is March 2021—the newer part loses to the older one in almost every test.

The Verdict

The AMD EPYC 7313P is the definitive choice for anyone prioritizing compute performance. It wins 16 of 17 benchmarks, with double-digit margins in rendering, math, encryption, and simulation workloads. Its 3.70 GHz boost clock and 128 MB of L3 cache give it a decisive edge over the 8124P’s 3.00 GHz boost and 64 MB cache. The only scenario where the 8124P makes sense is a workload exclusively built around random string sorting, where its 2.3% win could matter—but that is an extraordinarily narrow use case.

The 8124P’s modern features—5 nm process, DDR5, PCIe Gen 5—do not compensate for its performance deficit. Its higher memory bandwidth (230.4 GB/s vs 204.8 GB/s) fails to produce wins in memory-sensitive tests. The 7313P’s 12.4% lead in Cinebench R23 multi-core and 35.8% lead in prime number finding are the kind of gaps that define server purchasing decisions. For general-purpose server workloads, database operations, virtualization, or content rendering, the 7313P is the superior processor. The 8124P’s lower launch MSRP ($639 vs $913) does not change the performance reality: the 7313P is faster, has more cache, and dominates the benchmark data. Choose the 8124P only if the random string sorting workload is your entire application; otherwise, the 7313P is the clear winner.