AMD Opteron 3380 vs AMD Ryzen 5 2500U Comparison

Head-to-Head Benchmarks

The benchmark data delivers a clear verdict: the AMD Ryzen 5 2500U wins both recorded head-to-head comparisons against the AMD Opteron 3380, and the margins are substantial. In the Cinebench R15 multicore test, the Ryzen 5 2500U scores 609 against the Opteron 3380's 373, a difference of 38.8% in favor of the mobile chip. This is a decisive win, especially considering the Opteron has twice the physical cores. The single-core gap is even more pronounced. The Ryzen 5 2500U posts a Cinebench R15 single-core score of 137, while the Opteron 3380 manages only 52, yielding a 62% deficit for the older server part. This indicates a fundamental disparity in per-thread performance between the two architectures.

Looking beyond the head-to-head results, the broader benchmark suite reinforces this pattern. The Opteron 3380's Cinebench R20 multicore score is 1555, and its single-core score is 219. In Cinebench R23, it records 3704 multicore and 522 single-core. The Ryzen 5 2500U does not have R20 or R23 entries in the database, but its Geekbench results are telling. It scores 2635 in Geekbench multicore and 851 in Geekbench single-core. These numbers, when compared against the Opteron's Cinebench scores, show that the Ryzen part's newer architecture delivers far superior single-threaded throughput, which is critical for everyday responsiveness and lightly threaded workloads.

The average benchmark score for the Opteron 3380 is 1071, placing it at the 29th percentile of all CPUs in the database. The Ryzen 5 2500U has an average score of 1058, also at the 29th percentile. Despite the Ryzen part being a lower-power mobile chip with fewer cores, its average score is nearly identical to the Opteron's. This is a remarkable result: a 15-watt mobile processor matches a 65-watt server/workstation processor in overall benchmark averages. The nearest rivals for the Opteron include the AMD Athlon X4 880K with an identical average score of 1071 (0% delta), and the Intel Core i5-5287U and Intel Core i3-4170T, both at 1072 (-0.1% delta). The Ryzen 5 2500U's closest competitors include the Intel Core i3-4350 at 1058 (0% delta), the Intel Core i7-2760QM at 1057 (0.1% delta), and the AMD FX-8320E at 1059 (-0.1% delta). These rival comparisons show both chips sit in a similar performance tier globally, but the head-to-head data reveals the Ryzen is substantially faster in every direct test.

Architecture Differences

The architectural gulf between these two processors explains the benchmark outcomes. The AMD Opteron 3380 uses the K10 architecture, codenamed Delhi, built on a 32 nm process node. It is part of the Opteron 3000 series and features 8 cores with 8 threads, running at a base clock of 2.60 GHz and a boost clock of 3.60 GHz. Its transistor count is 1,200 million on a die size of 315 mm². The cache hierarchy includes 384 KB of L1, 8 MB of L2, and 8 MB of shared L3. This is a design from 2012, released on December 3rd of that year, and is now end-of-life. It supports DDR3 memory in a dual-channel configuration with a memory bandwidth of 29.9 GB/s. Its PCIe interface is Gen 2, and it does not have integrated graphics, relying on a chipset feature on certain motherboards. It targets the server/workstation segment and uses the AMD Socket AM3+.

In contrast, the AMD Ryzen 5 2500U is a dramatically newer design. It belongs to the 2000 series, uses the Zen architecture with the Raven Ridge codename, and is manufactured on a 14 nm process at GlobalFoundries. It has 4 cores and 8 threads, with a base clock of 2.00 GHz and a boost clock of 3.60 GHz. The transistor count is 4,950 million on a smaller die size of 210 mm². The cache configuration is per-core: 96 KB of L1 per core, 512 KB of L2 per core, and 4 MB of shared L3. This chip supports DDR4 memory in dual-channel mode, achieving a memory bandwidth of 38.4 GB/s. It uses PCIe Gen 3 with 8 lanes from the CPU, and it includes integrated Radeon Vega 8 graphics. This is a mobile part, released on October 25th, 2017, and it remains active in production. It uses the AMD Socket FP5.

The process node difference, 32 nm versus 14 nm, is a major factor. The newer 14 nm process allows for significantly higher transistor density, as evidenced by the Ryzen part packing 4,950 million transistors into a 210 mm² die, versus the Opteron's 1,200 million transistors in a 315 mm² die. The newer architecture also explains the single-core performance gap. The Zen architecture's instruction set and execution pipeline are far more efficient than the aging K10 design. The Ryzen 5 2500U's smaller core count is offset by its much higher per-core efficiency, which is why it wins the multicore head-to-head despite having only half the physical cores. The TDP figures further illustrate the divide: the Opteron 3380 draws 65 watts, while the Ryzen 5 2500U is rated at just 15 watts. The Ryzen part delivers more performance while consuming less than a quarter of the power.

FAQ

Q: Which processor is faster in multi-core workloads?

A: The AMD Ryzen 5 2500U wins the Cinebench R15 multicore test with a score of 609 versus the AMD Opteron 3380's 373, a 38.8% advantage.

Q: How large is the single-core performance gap?

A: The Ryzen 5 2500U scores 137 in Cinebench R15 single-core, while the Opteron 3380 scores 52. This represents a 62% deficit for the Opteron, indicating a massive per-thread advantage for the Ryzen part.

Q: Do both processors have the same number of cores?

A: No. The AMD Opteron 3380 has 8 cores and 8 threads, while the AMD Ryzen 5 2500U has 4 cores and 8 threads. The Ryzen chip uses simultaneous multithreading to reach 8 threads from 4 cores.

Q: What is the TDP difference between these two chips?

A: The Opteron 3380 has a TDP of 65 watts, while the Ryzen 5 2500U has a TDP of 15 watts. The Ryzen part is rated for less than a quarter of the power draw of the Opteron.

Q: Which processor has newer memory support?

A: The AMD Ryzen 5 2500U supports DDR4 memory with a bandwidth of 38.4 GB/s. The AMD Opteron 3380 supports DDR3 with a bandwidth of 29.9 GB/s.

Q: Do either of these processors include integrated graphics?

A: The AMD Ryzen 5 2500U includes Radeon Vega 8 integrated graphics. The AMD Opteron 3380 does not have integrated graphics; it relies on a chipset feature on certain motherboards.

Specification Differences

| Specification | AMD Opteron 3380 | AMD Ryzen 5 2500U |

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

| Series | Opteron 3000 series | 2000 series |

| Architecture | K10 | Zen |

| Codename | Delhi | Raven Ridge |

| Process Node | 32 nm | 14 nm |

| Foundry | Not specified | GlobalFoundries |

| Cores | 8 | 4 |

| Threads | 8 | 8 |

| Base Clock | 2.60 GHz | 2.00 GHz |

| Boost Clock | 3.60 GHz | 3.60 GHz |

| TDP | 65 watts | 15 watts |

| Socket | AMD Socket AM3+ | AMD Socket FP5 |

| Transistors | 1,200 million | 4,950 million |

| Die Size | 315 mm² | 210 mm² |

| L1 Cache | 384 KB | 96 KB (per core) |

| L2 Cache | 8 MB | 512 KB (per core) |

| L3 Cache | 8 MB (shared) | 4 MB (shared) |

| Memory Support | DDR3 | DDR4 |

| Memory Bandwidth | 29.9 GB/s | 38.4 GB/s |

| PCIe | Gen 2 | Gen 3, 8 Lanes (CPU only) |

| Integrated Graphics | On certain motherboards (Chipset feature) | Radeon Vega 8 |

| Market Segment | Server/Workstation | Mobile |

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

| Release Date | 2012-12-03 | 2017-10-25 |

| Launch MSRP | $229 | Not specified |

| Part Number | OS3380OLW8KHK | YM2500C4T4MFB |

Where Each One Wins

The AMD Ryzen 5 2500U wins every single recorded benchmark comparison. In Cinebench R15 multicore, it beats the Opteron 3380 by 38.8%. In Cinebench R15 single-core, it wins by a staggering 62%. The Ryzen part also demonstrates superiority in memory bandwidth, offering 38.4 GB/s versus the Opteron's 29.9 GB/s. Its integrated Radeon Vega 8 graphics provide a capability the Opteron completely lacks, making it the only choice for systems requiring graphics output without a discrete GPU. The Ryzen part's 14 nm process and Zen architecture give it a clear efficiency advantage, delivering higher performance at 15 watts versus 65 watts. The Ryzen 5 2500U is also an active, current production part, while the Opteron 3380 is end-of-life.

The AMD Opteron 3380's wins are limited to specifications rather than benchmark results. It has double the physical cores, 8 versus 4, which could theoretically benefit certain highly parallel server workloads if the software scales perfectly with core count. However, the recorded benchmark data shows this advantage does not translate into actual performance wins; the Ryzen part wins the multicore test despite having half the cores. The Opteron also has a larger shared L3 cache at 8 MB versus 4 MB. Its socket, AM3+, is an older platform that may be compatible with certain legacy server motherboards. The Opteron's 65-watt TDP, while higher, might be acceptable in a workstation context where power efficiency is not a primary concern. Its DDR3 memory support could be a compatibility point for existing systems with DDR3 RAM.

The Verdict

The data is unambiguous. The AMD Ryzen 5 2500U is the superior processor in every measured benchmark. It wins both head-to-head tests, achieving a 38.8% higher multicore score and a 62% higher single-core score in Cinebench R15. This means it is faster for both heavily threaded and lightly threaded applications. Its 14 nm process, DDR4 support, and integrated graphics make it a modern, capable mobile chip that also happens to be far more power-efficient, with a 15-watt TDP versus the Opteron's 65 watts. The Ryzen 5 2500U is the clear choice for any user who values performance, efficiency, and modern features.

The AMD Opteron 3380, while having more physical cores and a larger L3 cache, cannot overcome its architectural age. Its K10 design, built on 32 nm, is fundamentally slower per core, and the benchmark results show this. It is an end-of-life part from 2012, and its only advantages are its server/workstation market segment and its higher core count, which does not yield a performance win in the recorded tests. It should only be considered in a legacy server context where the AM3+ platform and DDR3 memory are already in place, and even then, the performance deficit is severe. For any new system, the Ryzen 5 2500U is the only rational choice based on the available data.