CPU Comparison

Head-to-Head Benchmarks

The data presents a remarkably consistent picture: the AMD Ryzen Threadripper 1920 wins every single benchmark in the head-to-head comparison, yet the margins are surprisingly narrow. Across all six Cinebench tests, the Threadripper 1920 leads by between 1.9% and 2.1%. This consistency is itself noteworthy, the deltaPct clusters tightly around 2%, suggesting a systematic advantage rather than workload-specific strengths.

Looking at the multicore results first, the Threadripper 1920 scores 1890 in Cinebench R15 multicore versus 1852 for the EPYC 7281, a 2.1% edge. The pattern repeats in Cinebench R20 multicore (7877 vs 7718, also 2.1%) and Cinebench R23 multicore (18756 vs 18377, again 2.1%). The fact that the margin stays identical across three generations of the Cinebench test is striking, it implies the performance gap scales proportionally with workload duration and complexity, not just raw core count.

Single-core results tell a similar story with slightly smaller margins. The Threadripper 1920 posts 266 in Cinebench R15 single-core versus 261 for the EPYC 7281 (1.9% delta). In R20 single-core, the scores are 1111 vs 1089 (2% delta), and in R23 single-core, 2647 vs 2594 (2% delta). The single-core advantage is consistently about a tenth of a percent smaller than the multicore gap, which suggests the difference is rooted in clock speed behavior rather than architecture.

What makes these results counterintuitive is the core count disparity. The EPYC 7281 has 16 cores and 32 threads, while the Threadripper 1920 has only 12 cores and 24 threads. Yet the Threadripper still wins multicore tests by 2.1%. This implies that the Threadripper's higher clock speeds (base 3.20 GHz, boost 3.80 GHz) more than compensate for having 25% fewer cores, at least within the scaling limits of these Cinebench workloads. The EPYC's 2.10 GHz base and 2.70 GHz boost clocks simply cannot overcome the core deficit in efficiency.

The average benchmark scores reinforce this: the Threadripper 1920 averages 5425 across its benchmark suite, while the EPYC 7281 averages 5315. That 110-point gap (roughly 2%) places both processors in the same performance tier, both sit at the 60th percentile against all CPUs. The nearest rivals list for the Threadripper includes the Intel Xeon W-1290P at 5443 (-0.3% delta) and the AMD EPYC 7351P at 5469 (-0.8% delta), while the EPYC 7281's closest competitor is the Intel Core i9-10900KF at 5316 (0% delta). The data suggests these two chips are not competing in different leagues; they are trading blows in the same weight class.

Where Each One Wins

Given that the Threadripper 1920 wins all six head-to-head benchmarks, the use-case split is heavily skewed. The Threadripper is the clear choice for any workload that prioritizes raw Cinebench performance, which typically correlates with general-purpose compute, rendering, and content creation tasks. Its higher boost clock of 3.80 GHz versus 2.70 GHz means single-threaded responsiveness and lightly-threaded applications will favor the Threadripper, as evidenced by its 2% single-core advantage across R15, R20, and R23.

The EPYC 7281, despite losing every benchmark, is not without its own domain of strength. The data shows it has 16 cores and 32 threads, four more cores and eight more threads than the Threadripper. In workloads that scale linearly with core count and are not bottlenecked by clock speed, such as heavily parallel server workloads, virtualization, or database processing, the EPYC's additional cores could theoretically close the gap or even reverse it. However, the Cinebench results do not support this; even in multicore tests, the Threadripper maintains its 2.1% lead. This suggests that either Cinebench's scaling efficiency tops out before 16 cores, or the clock speed penalty of the EPYC is too severe to overcome.

Memory bandwidth is another differentiator. The EPYC 7281 supports eight-channel memory with 170.6 GB/s bandwidth, exactly double the Threadripper's quad-channel 85.3 GB/s. For memory-bandwidth-bound workloads, think large in-memory databases, scientific computing with massive datasets, or virtualized environments running many concurrent instances, the EPYC's bandwidth advantage could be decisive. The Threadripper's 60 PCIe Gen 3 lanes (CPU only) versus the EPYC's Gen 3 support (without lane count specified in the data) also hints at different expansion philosophies, though the exact lane count for the EPYC is not provided.

The EPYC also supports ECC memory, while the Threadripper does not. For server environments where data integrity is non-negotiable, this is a critical feature that no benchmark score can capture. The Threadripper's unlocked multiplier, on the other hand, offers overclocking headroom that the EPYC's server-oriented design likely does not prioritize, though the data confirms both have unlocked multipliers.

Architecture Differences

Both processors share the same fundamental Zen architecture and are built on the same 14 nm process node at GlobalFoundries. The codenames differ, Whitehaven for the Threadripper, Naples for the EPYC, but the underlying silicon is genealogically related. The Threadripper uses a dual-die design with 2x 213 mm² dies, totaling 9,600 million transistors. The EPYC uses a single 213 mm² die with 4,800 million transistors. This means the Threadripper essentially packages two EPYC-class dies, which explains its higher core count per die efficiency despite fewer total cores.

Cache configurations are nearly identical per core. Both have 96 KB L1 per core and 512 KB L2 per core. The L3 cache is 32 MB in both cases, though the Threadripper's is described as "32 MB" while the EPYC's is "32 MB (shared)". This subtle distinction suggests the Threadripper's L3 may be split across its two dies, whereas the EPYC's is shared across the single die, though both total 32 MB, the access latency and bandwidth characteristics could differ.

The sockets are different but related: the Threadripper uses AMD Socket SP3r2, while the EPYC uses AMD Socket SP3. This is a critical compatibility difference, they are not interchangeable. The Threadripper's memory bus is quad-channel with 85.3 GB/s bandwidth; the EPYC's is eight-channel with 170.6 GB/s. The EPYC's ECC memory support is a hard architectural advantage for reliability-focused deployments. The Threadripper's PCIe implementation is specified as "Gen 3, 60 Lanes (CPU only)", while the EPYC's is simply "Gen 3" without lane count in the data pack.

The production status reflects different lifecycles: the Threadripper is end-of-life, while the EPYC is active. The EPYC has a release date of 2017-06-28, while the Threadripper's release date is not provided. This suggests the EPYC is a more current platform for ongoing deployments, even if the Threadripper holds the benchmark edge.

FAQ

Q: Which processor has higher single-core performance?

A: The AMD Ryzen Threadripper 1920 wins all three single-core Cinebench tests. It scores 266 vs 261 in R15 (1.9% delta), 1111 vs 1089 in R20 (2% delta), and 2647 vs 2594 in R23 (2% delta) against the EPYC 7281.

Q: How does the core count difference affect multicore results?

A: Despite having 16 cores and 32 threads versus the Threadripper's 12 cores and 24 threads, the EPYC 7281 loses all three multicore tests by 2.1%. The Threadripper's higher clocks (3.80 GHz boost vs 2.70 GHz) offset the EPYC's 33% core advantage in these workloads.

Q: Is the EPYC 7281 better for memory-intensive workloads?

A: The data shows the EPYC 7281 has eight-channel memory with 170.6 GB/s bandwidth, exactly double the Threadripper's quad-channel 85.3 GB/s. This suggests a potential advantage for memory-bandwidth-bound tasks, though no benchmark in the data pack directly measures this.

Q: Do these processors use the same socket?

A: No. The Threadripper 1920 uses AMD Socket SP3r2, while the EPYC 7281 uses AMD Socket SP3. They are not interchangeable between these platforms.

Q: Can the EPYC 7281 use ECC memory?

A: Yes. The EPYC 7281 supports ECC memory. The Threadripper 1920 does not support ECC memory.

Q: How do these processors compare to their nearest rivals?

A: The Threadripper 1920's average score of 5425 is 0.3% behind the Intel Xeon W-1290P (5443) and 0.8% behind the AMD EPYC 7351P (5469), but 1.5% ahead of the Intel Core i9-13900TE (5342). The EPYC 7281's average score of 5315 exactly matches the Intel Core i9-10900KF (5316) and is 0.5% behind the Intel Core i9-13900TE (5342).

Specification Differences

| Specification | AMD Ryzen Threadripper 1920 | AMD EPYC 7281 |

|---|---|---|

| Cores | 12 | 16 |

| Threads | 24 | 32 |

| Base Clock | 3.20 GHz | 2.10 GHz |

| Boost Clock | 3.80 GHz | 2.70 GHz |

| TDP | 140 W | 170 W |

| Socket | AMD Socket SP3r2 | AMD Socket SP3 |

| Codename | Zen (Whitehaven) | Zen (Naples) |

| Transistors | 9,600 million | 4,800 million |

| Die Size | 2x 213 mm² | 213 mm² |

| L3 Cache | 32 MB | 32 MB (shared) |

| Memory Bus | Quad-channel | Eight-channel |

| Memory Bandwidth | 85.3 GB/s | 170.6 GB/s |

| ECC Memory | No | Yes |

| PCIe | Gen 3, 60 Lanes (CPU only) | Gen 3 |

| Market Segment | Desktop | Server/Workstation |

| Production Status | End-of-life | Active |

| Release Date | Not provided | 2017-06-28 |

| Part Number | YD1920A9UC9AE | Not provided |

The Verdict

The benchmark data is unambiguous: the AMD Ryzen Threadripper 1920 outperforms the AMD EPYC 7281 in every measured Cinebench test, with margins between 1.9% and 2.1%. For anyone whose primary metric is single-threaded or multithreaded rendering performance as captured by Cinebench, the Threadripper 1920 is the superior choice. Its higher base and boost clocks deliver consistent wins despite having 4 fewer cores and 8 fewer threads.

However, the verdict is not simply "Threadripper wins." The EPYC 7281's eight-channel memory bus with 170.6 GB/s bandwidth, exactly double the Threadripper's, positions it for workloads that Cinebench does not measure. ECC memory support is a hard requirement for many server deployments, and the EPYC offers it while the Threadripper does not. The EPYC's active production status versus the Threadripper's end-of-life status also matters for long-term platform viability.

The data suggests two different philosophies: the Threadripper 1920 is a desktop part optimized for clock speed and responsiveness, while the EPYC 7281 is a server part optimized for memory bandwidth, reliability, and core density. The Threadripper wins the benchmarks in this pack, but the EPYC wins on memory bandwidth by 100%, offers ECC support, and provides 33% more cores. For rendering and general compute, choose the Threadripper 1920. For memory-bandwidth-bound server workloads with ECC requirements, the EPYC 7281's architectural advantages, even if invisible in Cinebench, make it the data-backed choice.