AMD EPYC 7702 vs AMD EPYC 7H12 Comparison

Head-to-Head Benchmarks

The benchmark data presents a remarkably consistent picture: the AMD EPYC 7H12 wins every single head-to-head comparison against the AMD EPYC 7702, though by margins that are surprisingly narrow for two chips with such different power envelopes. Across six Cinebench tests spanning three generations of the renderer, the 7H12’s advantage never exceeds 1.2%, and in most tests it hovers at exactly 1.1%. This uniformity suggests the performance gap is structural rather than workload-dependent—a function of raw clock behavior rather than architectural efficiency.

The largest single victory for the 7H12 comes in Cinebench R15 single-core, where it scores 842 against the 7702’s 832, a 1.2% delta. That margin is the only one above 1.1% in the entire dataset, and it hints at a slight per-thread advantage that carries through every other single-threaded test. In R20 single-core, the 7H12 posts 3509 versus 3470; in R23 single-core, it reaches 8355 against 8264. Each of those represents the same ~1.1% gap, suggesting a fixed frequency-per-core advantage rather than any architectural refinement.

The multi-core results tell an almost identical story. The 7H12 leads by 5965 to 5900 in R15 multi-core, by 24858 to 24586 in R20, and by 59188 to 58539 in R23. All three deltas sit at 1.1%, which is notable given that both processors pack 64 cores and 128 threads. With identical core counts and cache hierarchies, the multi-core advantage must come entirely from sustained clock behavior across all 64 cores—and the data indicates the 7H12 maintains that edge consistently. The 7702, despite its higher boost clock of 3.35 GHz versus the 7H12’s 3.30 GHz, cannot translate that peak frequency into benchmark wins. The 7H12’s higher base clock of 2.60 GHz versus the 7702’s 2.00 GHz appears to matter more in practice, likely because sustained all-core workloads spend far more time near base clocks than at boost.

What makes these results particularly interesting is the context provided by the nearest-rival data. The 7H12’s average benchmark score of 17120 puts it just 0.3% ahead of the Intel Core Ultra 7 164U (17074) and the AMD EPYC 7573X (17070), while trailing the Intel Core i5-11400F (17177) by 0.3%. The 7702, with an average of 16932, sits 0.1% behind the Intel Core i5-1240U (16957), 0.2% ahead of the AMD Ryzen 5 7235HS (16902), and 0.4% behind both the AMD EPYC 7742 (16998) and Intel Core i7-1260P (17007). These deltas are all within noise territory, meaning that in the broader CPU landscape, both EPYC parts land in the same performance tier despite their internal differences.

The percentile rankings reinforce this near-parity: the 7H12 sits at the 71st percentile among all CPUs, while the 7702 rests at the 70th. That one-percentile gap is the single most honest summary of this matchup—the 7H12 is marginally better, but neither chip dominates the other in any meaningful way. The 6-0 sweep in head-to-head wins is real, but the margins are so thin that they would likely be imperceptible in real-world server workloads, which rarely scale perfectly with Cinebench scores.

FAQ

Q: Which processor wins in multi-core performance?

A: The AMD EPYC 7H12 wins all three multi-core tests: Cinebench R15 (5965 vs 5900), R20 (24858 vs 24586), and R23 (59188 vs 58539). Each victory comes by a 1.1% margin.

Q: Is the AMD EPYC 7702 ever faster in single-core tests?

A: No. The 7H12 wins every single-core benchmark, with deltas of 1.2% in Cinebench R15 (842 vs 832) and 1.1% in both R20 (3509 vs 3470) and R23 (8355 vs 8264).

Q: How do these chips compare to non-EPYC rivals?

A: The 7H12’s average score of 17120 puts it 0.3% ahead of the Intel Core Ultra 7 164U and 0.3% behind the Intel Core i5-11400F. The 7702’s average of 16932 places it 0.1% behind the Intel Core i5-1240U and 0.4% behind the AMD EPYC 7742.

Q: Do both processors have the same core and thread counts?

A: Yes, both feature 64 cores and 128 threads. They also share the same 256 MB shared L3 cache, 96 KB L1 per core, and 512 KB L2 per core.

Q: What explains the 7H12’s consistent edge despite the 7702’s higher boost clock?

A: The 7H12 has a base clock of 2.60 GHz versus the 7702’s 2.00 GHz, and a boost clock of 3.30 GHz versus 3.35 GHz. The 7H12’s higher base clock likely sustains better all-core performance, while the 7702’s slightly higher boost cannot compensate.

Q: Which processor has the higher TDP?

A: The AMD EPYC 7H12 is rated at 280W TDP, while the AMD EPYC 7702 is rated at 200W. This 80W difference in power envelope is the most significant specification gap between the two.

Where Each One Wins

The data shows a one-sided matchup in benchmark terms, but the real-world implications depend heavily on what a system is being asked to do. The 7H12’s six wins are all in Cinebench, a rendering workload that stresses sustained multi-core throughput and single-thread latency. For organizations running CPU-based rendering farms, scientific computing jobs, or any workload that resembles Cinebench’s mixed integer and floating-point load, the 7H12 offers a measurable—if small—edge. The 1.1% to 1.2% deltas translate into roughly one extra minute per hour of rendering time, which can accumulate meaningfully across thousands of nodes over months of operation.

The 7702’s case is built entirely on its power efficiency, not its benchmark scores. With a 200W TDP against the 7H12’s 280W, the 7702 delivers 97.6% of the 7H12’s multi-core performance in R23 (58539 vs 59188) while drawing 28.6% less rated power. In density-optimized data centers where power and cooling are the primary constraints, that trade-off can be decisive. A rack filled with 7702-based servers would consume substantially less power than an equivalent 7H12 deployment while delivering nearly identical throughput. The 7702’s higher boost clock of 3.35 GHz also means that lightly threaded workloads that spike to boost frequencies may see occasional advantages, though the benchmark data does not capture any such wins.

For single-threaded applications, the 7H12’s consistent ~1.1% advantage in every single-core test makes it the safer choice, but the margin is so thin that it would be difficult to measure outside synthetic benchmarks. Neither chip is positioned as a low-latency, high-frequency part; both target the same server segment with the same 64-core configuration. The real differentiator is operational: the 7H12 buys a marginal performance premium at a significant power cost, while the 7702 buys operational efficiency at a negligible performance penalty.

Specification Differences

The two processors share far more than they differ, but the gaps that do exist are significant. The most glaring difference is TDP: the 7H12 is rated at 280W, while the 7702 is rated at 200W. That 80W delta represents a 40% increase in power draw for the 7H12, which is a substantial operational consideration for any server deployment.

Clock speeds tell the nuanced story. The 7H12 has a base clock of 2.60 GHz and a boost clock of 3.30 GHz. The 7702 has a base clock of 2.00 GHz and a boost clock of 3.35 GHz. The 7H12’s base clock is 30% higher, while the 7702’s boost clock is 1.5% higher. This inversion—lower base but slightly higher boost—explains why the 7H12 wins all-core workloads while the 7702 cannot convert its boost advantage into any benchmark victory.

The release dates differ by roughly six weeks: the 7H12 launched on 2019-09-17, while the 7702 launched on 2019-08-06. The part numbers also differ (100-000000055 for the 7H12, 100-000000038 for the 7702), though this is purely a manufacturing identifier. No other specification differences exist in the data—both use the AMD Socket SP3, support DDR4 memory across an eight-channel bus with 204.8 GB/s bandwidth, feature ECC memory, and use PCIe Gen 4.

Architecture Differences

Architecturally, the two processors are virtually identical. Both use AMD’s Zen 2 architecture, both carry the Rome codename, and both belong to the same EPYC (Zen 2 (Rome)) generation. They are fabricated on the same 7 nm process at TSMC, with identical transistor counts of 3,800 million and identical die sizes of 74 mm². The cache hierarchies match exactly: 96 KB of L1 per core, 512 KB of L2 per core, and 256 MB of shared L3.

The only architectural distinction that can be inferred from the data is the clock behavior tied to the power envelope. The 7H12’s 280W TDP allows it to maintain a 2.60 GHz base clock across all 64 cores, while the 7702’s 200W TDP forces a 2.00 GHz base. The 7702’s slightly higher boost clock of 3.35 GHz versus the 7H12’s 3.30 GHz suggests that the 7702 can briefly reach higher frequencies on lightly loaded cores, but it cannot sustain them under full load. This is a classic power-versus-frequency trade-off: the 7H12 spends its extra power budget on sustained all-core throughput, while the 7702 conserves power and relies on short bursts of higher frequency.

Neither chip features integrated graphics, and neither has an unlocked multiplier. Both target the Server/Workstation market segment and remain in active production. The absence of any 3D V-Cache or other differentiating features in the data means the architectural story is entirely about how each chip uses its power budget to manage clock speeds across the same 64-core Zen 2 design.

The Verdict

The data presents a clear but nuanced recommendation. For workloads that are purely performance-driven and where power consumption is not a limiting factor, the AMD EPYC 7H12 is the superior choice. It wins every benchmark in the head-to-head comparison, from the 1.2% single-core margin in Cinebench R15 to the 1.1% multi-core margins across all three Cinebench versions. Its 71st percentile ranking versus the 7702’s 70th, its higher average benchmark score of 17120 versus 16932, and its 6-0 sweep in head-to-head tests all point in the same direction. If the only question is which processor computes faster, the answer is unambiguous: the 7H12.

For deployments where power density and cooling capacity are the primary constraints, the AMD EPYC 7702 makes a compelling counterargument. Its 200W TDP versus the 7H12’s 280W means the 7702 delivers nearly identical performance—within 1.1% in every test—at a substantially lower power draw. The 7702’s 3.35 GHz boost clock also gives it a theoretical edge in bursty, lightly threaded scenarios, even if no benchmark in the data captures that advantage. For a server fleet running at high utilization, the 7702 could enable denser configurations and lower operational costs without a perceptible performance hit.

The tie-breaker comes down to use case. High-performance computing clusters, rendering farms, and compute-heavy batch jobs that run around the clock will benefit from the 7H12’s consistent edge, even if that edge is small. General-purpose virtualized servers, cloud workloads with variable utilization, and power-constrained environments will find the 7702 more attractive, given its 40% lower TDP and near-identical benchmark results. Neither chip is a wrong choice—they are simply optimized for different operational realities. The data says the 7H12 is faster; the data also says the 7702 is nearly as fast while using far less power. Pick based on which constraint matters more.