AMD EPYC 7742 vs AMD Ryzen 5 3600 Comparison

Head-to-Head Benchmarks

The head-to-head data is one-sided, but the margins tell a nuanced story. Across all six shared benchmark tests, the AMD EPYC 7742 takes the win, with a consistent deltaPct of -74.4% relative to the Ryzen 5 3600 in every case. That uniformity means the EPYC's advantage is not workload-specific; it is a structural lead in both multi-threaded and single-threaded rendering.

In Cinebench R23 multi-core, the EPYC 7742 posts 58,769 points against the Ryzen 5 3600's 15,045. That is a 3.9x raw score difference, and the deltaPct of -74.4% confirms the Ryzen trails by roughly three-quarters of the EPYC's output. The same ratio appears in Cinebench R20 multi-core, with the EPYC at 24,682 and the Ryzen at 6,318. For context, the Ryzen's average benchmark score of 17,035 places it at the 71st percentile of all CPUs, while the EPYC's 16,998 sits at the 70th percentile — the two are statistically inseparable in aggregate, yet the Cinebench suite shows a chasm.

Single-core results are equally lopsided. Cinebench R23 single-core gives the EPYC 7742 a score of 8,296 versus the Ryzen 5 3600's 2,124. The -74.4% deltaPct reappears, meaning the EPYC is not just winning on core count; it also delivers superior per-thread performance in this test. Cinebench R15 single-core mirrors this: 836 for the EPYC versus 214 for the Ryzen. These are not marginal gaps — they are decisive margins in both directions of threading.

The data also shows where the Ryzen 5 3600 holds its ground in the broader benchmark landscape. Its nearest rivals include the AMD EPYC 7742 itself, with a deltaPct of 0.2% between their average scores. That means the Ryzen's overall average (17,035) is essentially tied with the EPYC's (16,998), despite the EPYC winning every head-to-head test. The explanation lies in the Ryzen's additional benchmark coverage: the 3600 has 25 recorded tests spanning 3DMark, Geekbench, and Passmark suites, while the EPYC only has six Cinebench entries. The Ryzen's Passmark multi-thread score of 17,700 and Geekbench multi-core of 7,372 contribute to its aggregate, but those tests do not appear in the shared head-to-head list.

Every shared test tells the same story: the EPYC 7742 wins by the same percentage, suggesting a fixed scaling factor rather than a workload-dependent advantage. The Ryzen 5 3600's best head-to-head result is its Cinebench R23 multi-core score of 15,045, which would be a strong desktop showing, but it is dwarfed by the EPYC's 58,769. The EPYC's Cinebench R15 single-core score of 836 is nearly four times the Ryzen's 214, and the ratio holds across every generation of Cinebench tested.

The Verdict

The data is unambiguous: the AMD EPYC 7742 wins all six head-to-head tests, and the Ryzen 5 3600 wins none. For users prioritizing raw rendering throughput, the EPYC is the only choice. Its Cinebench R23 multi-core score of 58,769 versus the Ryzen's 15,045 means the EPYC completes multi-threaded workloads in roughly a quarter of the time, assuming linear scaling. The single-core results reinforce this: the EPYC's 8,296 in R23 single-core versus 2,124 for the Ryzen means even lightly threaded tasks favor the server chip.

However, the verdict is not a blanket recommendation for every scenario. The Ryzen 5 3600's average benchmark score of 17,035 is actually 0.2% higher than the EPYC's 16,998, per the nearestRivals data. That aggregate parity, combined with the Ryzen's lower TDP of 65 watts versus the EPYC's 225 watts, makes the desktop chip a more sensible pick for consumer workloads that do not need 64 cores. The Ryzen's 3DMark scores — 4,605 at 16 threads and 696 single-thread — are not in the head-to-head set, but they indicate gaming and desktop responsiveness that the EPYC's server-oriented design does not target.

Who should pick the EPYC 7742? Anyone running Cinebench-class workloads — rendering, simulation, or batch processing — where the 64-core, 128-thread configuration directly translates to throughput. The EPYC's eight-channel memory bus and 204.8 GB/s bandwidth further support memory-heavy server tasks. Who should pick the Ryzen 5 3600? Users on a desktop socket (AM4) with a 65-watt TDP budget, who need a capable single-thread performer for everyday applications and games. The Ryzen's 71st percentile ranking and its nearest rival list — which includes the Intel Core i7-1260P at a 0.2% delta — show it competes with modern mid-range parts despite being a 2019 release.

The production status for both is "Active," so neither is a legacy product. The EPYC's launch MSRP is not listed in the data, while the Ryzen's is $199. That price point, stated once here, is the only cost figure available. The verdict from the benchmarks: the EPYC 7742 is the performance king in every shared test, but the Ryzen 5 3600 offers a competitive aggregate score at a fraction of the power envelope.

Architecture Differences

Both processors are built on AMD's Zen 2 architecture and manufactured by TSMC on a 7 nm process node. The transistor count is identical at 3,800 million, and the die size matches at 74 mm². This means the fundamental building blocks are the same; the differences come from how those blocks are configured and deployed.

The Ryzen 5 3600 uses the Matisse codename and is part of the 3000 series, targeting the desktop segment. The EPYC 7742 uses the Rome codename within the EPYC 7002 series, aimed at the server and workstation market. Both use the Zen 2 microarchitecture, but the EPYC scales it to 64 cores and 128 threads, while the Ryzen is limited to 6 cores and 12 threads. The core count is the single largest architectural differentiator.

Cache hierarchies diverge significantly. The Ryzen has 64 KB of L1 per core and 512 KB of L2 per core, with a shared 32 MB L3. The EPYC has 96 KB of L1 per core and 512 KB of L2 per core, but its L3 expands to 256 MB shared. That 8x L3 difference is a direct consequence of the EPYC's multi-die server design, which aggregates cache across more chiplets. Neither processor supports 3D V-Cache, so the L3 is the only large cache tier.

Memory architecture also differs. Both support DDR4, but the Ryzen runs dual-channel with a 51.2 GB/s bandwidth, while the EPYC runs eight-channel with a 204.8 GB/s bandwidth. The EPYC also supports ECC memory, whereas the Ryzen does not. The PCIe implementation varies: the Ryzen offers Gen 4 with 16 lanes from the CPU, while the EPYC lists Gen 4 without a lane count in the data.

The memory bandwidth gap is worth emphasizing. The EPYC's 204.8 GB/s is exactly four times the Ryzen's 51.2 GB/s, which matches the channel count difference (eight versus two). For server workloads that stream data, this bandwidth advantage compounds the core-count lead.

Specification Differences

The two CPUs differ in every major specification category. Core count: 6 for the Ryzen versus 64 for the EPYC. Thread count: 12 versus 128. Base clock: 3.60 GHz for the Ryzen versus 2.25 GHz for the EPYC. Boost clock: 4.20 GHz versus 3.40 GHz. TDP: 65 watts versus 225 watts. Socket: AMD Socket AM4 versus AMD Socket SP3.

Cache differs in L1 and L3. The Ryzen's L1 is 64 KB per core, while the EPYC's is 96 KB per core. L2 is identical at 512 KB per core. L3 is 32 MB shared for the Ryzen versus 256 MB shared for the EPYC. Memory bus: dual-channel versus eight-channel. Memory bandwidth: 51.2 GB/s versus 204.8 GB/s. ECC support: false for the Ryzen, true for the EPYC. PCIe: Gen 4 with 16 lanes (CPU only) for the Ryzen, Gen 4 without a lane count for the EPYC.

Market segment: Desktop for the Ryzen, Server/Workstation for the EPYC. Release dates differ by one month: the Ryzen launched on 2019-07-06, the EPYC on 2019-08-06. The multiplier is unlocked on the Ryzen but locked on the EPYC. The Ryzen has a launch MSRP of $199; the EPYC's launch MSRP is not listed. Part numbers are 100-000000031 for the Ryzen and 100-000000053 for the EPYC. The Ryzen's generation string is "Ryzen 5 (Zen 2 (Matisse))", while the EPYC's is "EPYC (Zen 2 (Rome))". Both have no integrated graphics.

FAQ

Q: Which CPU has more cores and threads?

A: The AMD EPYC 7742 has 64 cores and 128 threads, while the AMD Ryzen 5 3600 has 6 cores and 12 threads.

Q: What is the single-core performance difference in Cinebench R23?

A: The EPYC 7742 scores 8,296, and the Ryzen 5 3600 scores 2,124, giving the EPYC a deltaPct of -74.4% over the Ryzen.

Q: Does the Ryzen 5 3600 support ECC memory?

A: No. The Ryzen 5 3600 has ECC memory support set to false, while the EPYC 7742 supports ECC memory.

Q: How do their average benchmark scores compare?

A: The Ryzen 5 3600 has an average benchmark score of 17,035, which is 0.2% higher than the EPYC 7742's 16,998, according to nearestRivals data.

Q: What is the memory bandwidth difference?

A: The Ryzen 5 3600 has a memory bandwidth of 51.2 GB/s on a dual-channel bus, while the EPYC 7742 has 204.8 GB/s on an eight-channel bus.

Q: Are both CPUs still in production?

A: Yes, both the Ryzen 5 3600 and the EPYC 7742 have a production status of "Active."

Where Each One Wins

The EPYC 7742 wins every head-to-head benchmark in the data, so its victory conditions are straightforward. Cinebench R15, R20, and R23 — both single-core and multi-core — all fall to the EPYC with the same -74.4% deltaPct. The EPYC's 58,769 in R23 multi-core versus the Ryzen's 15,045 makes it the clear pick for any rendering, simulation, or batch-processing workload that scales with core count. Its 256 MB L3 cache and 204.8 GB/s memory bandwidth support large datasets that would thrash the Ryzen's 32 MB L3 and 51.2 GB/s bus. The EPYC's ECC memory support also gives it a reliability edge for long-running server tasks.

The Ryzen 5 3600 wins where the head-to-head data does not apply. Its average benchmark score of 17,035 edges out the EPYC's 16,998 by 0.2%, and its percentile ranking of 71st versus the EPYC's 70th places it slightly higher in the overall CPU distribution. The Ryzen's 3DMark scores — 4,605 at 16 threads, 2,579 at 4 threads, and 696 single-thread — indicate desktop and gaming workloads where the EPYC has no comparable data. The Ryzen's 65-watt TDP versus the EPYC's 225 watts makes it the only viable choice for standard desktop systems, and its unlocked multiplier allows overclocking, while the EPYC's multiplier is locked.

The Ryzen also wins on clock speed. Its 4.20 GHz boost and 3.60 GHz base exceed the EPYC's 3.40 GHz boost and 2.25 GHz base. For lightly threaded applications that do not use all cores, the Ryzen's higher clocks can offset the EPYC's per-core cache advantage. The Ryzen's dual-channel memory is sufficient for desktop tasks, and its 16 PCIe Gen 4 lanes support a single high-bandwidth GPU, whereas the EPYC's PCIe lane count is not listed in the data.

In summary: the EPYC 7742 wins all six shared tests and is the choice for multi-threaded server workloads with large memory demands. The Ryzen 5 3600 wins on aggregate average score, power efficiency, clock speed, and desktop-specific benchmarks, making it the pick for consumer systems where the EPYC's massive core count is unnecessary. The data does not support a single "best" CPU; it supports two different use cases with a clear performance split.