AMD Opteron 6376 vs AMD Ryzen 3 PRO 1200 Comparison

The AMD Ryzen 3 PRO 1200 and the AMD Opteron 6376 represent two distinct eras of AMD silicon, separated by nearly five years of architectural evolution. The Ryzen 3 PRO 1200 is a modern 14 nm Zen desktop part with 4 cores and 4 threads, while the Opteron 6376 is a 32 nm Piledriver server processor with 16 cores and 16 threads. Despite the Opteron’s 4x core-count advantage, benchmark data shows the Ryzen 3 PRO 1200 winning every head-to-head test, albeit by narrow margins of 0.6% to 0.7%. This outcome reflects the massive per-core efficiency gains of Zen over Piledriver, though the Opteron’s raw core count keeps it competitive in multi-threaded workloads.

FAQ

Q: Which processor has more cores?

A: The AMD Opteron 6376 has 16 cores and 16 threads, while the AMD Ryzen 3 PRO 1200 has 4 cores and 4 threads. Despite this 4x core-count difference, the Ryzen 3 PRO 1200 wins all multi-core benchmarks in the data.

Q: How do their average benchmark scores compare?

A: The Ryzen 3 PRO 1200 has an average benchmark score of 1379, while the Opteron 6376 scores 1370. This places the Ryzen 3 PRO 1200 0.7% ahead in overall average performance, with both CPUs sitting at the 36th percentile among all CPUs.

Q: What is the single-core performance difference?

A: In Cinebench R15 single-core, both CPUs score 67 points, a 0% delta. In Cinebench R20 and R23 single-core, the Ryzen 3 PRO 1200 leads by 0.7%, scoring 282 vs 280 and 673 vs 668 respectively.

Q: Which processor has a higher boost clock?

A: The Ryzen 3 PRO 1200 has a boost clock of 3.40 GHz, compared to the Opteron 6376’s 3.20 GHz. The Ryzen part also has a higher base clock at 3.10 GHz versus 2.30 GHz.

Q: Do both processors support ECC memory?

A: Yes, both the Ryzen 3 PRO 1200 and the Opteron 6376 have ECC memory support enabled. However, they use different memory types: the Ryzen supports DDR4 dual-channel, while the Opteron supports DDR3 quad-channel.

Q: What is the production status of each processor?

A: The Ryzen 3 PRO 1200 is listed as Active in production, while the Opteron 6376 is End-of-life. The Opteron was released on 2012-11-04, while the Ryzen launched on 2017-06-28.

Architecture Differences

The Ryzen 3 PRO 1200 is built on the Zen architecture (codename Summit Ridge) using a 14 nm process node from GlobalFoundries. It packs 4,800 million transistors on a 213 mm² die. The Opteron 6376 uses the Piledriver architecture (codename Abu Dhabi) on a 32 nm process, with 2,400 million transistors across a dual-die design of 2x 315 mm². This process shrink gives the Ryzen part a significant density and efficiency advantage, which explains how a 4-core chip can trade blows with a 16-core server part.

Cache configurations highlight the architectural divergence. The Ryzen 3 PRO 1200 has 96 KB of L1 per core and 512 KB of L2 per core, with 8 MB of shared L3. The Opteron 6376 uses a module-based layout: 768 KB total L1, 2 MB of L2 per module, and 8 MB of L3 per die. The Ryzen’s per-core cache allocation is more generous for individual threads, while the Opteron’s cache is spread across its many modules, which historically limited single-thread throughput.

Memory support further separates the two. The Ryzen 3 PRO 1200 uses dual-channel DDR4 with a listed memory bandwidth of 4256 MB/s, while the Opteron 6376 uses quad-channel DDR3 with a much higher 59.7 GB/s bandwidth figure. The Opteron’s memory subsystem is designed for server throughput, but the Ryzen’s newer DDR4 interface offers lower latency per access. The Ryzen also supports PCIe Gen 3 with 16 lanes (CPU only), while the Opteron only supports PCIe Gen 2.

The Ryzen 3 PRO 1200 has an unlocked multiplier, making it overclockable, whereas the Opteron 6376 is locked. The Ryzen uses the AMD Socket AM4, while the Opteron uses the larger AMD Socket G34, reflecting their different market segments: Desktop versus Server/Workstation.

Where Each One Wins

The Ryzen 3 PRO 1200 wins in every benchmark category recorded, but the margins are telling. In single-core tests, it edges out the Opteron by 0% to 0.7%. This is a decisive win for the Ryzen given the Opteron has 12 more cores. The Ryzen’s higher base clock (3.10 GHz vs 2.30 GHz) and boost clock (3.40 GHz vs 3.20 GHz) contribute to its per-thread advantage, making it the better choice for lightly-threaded applications like legacy software, general desktop use, and tasks that rely on single-thread responsiveness.

For multi-core workloads, the Ryzen 3 PRO 1200 also wins, but only by 0.6% to 0.7%. The Opteron’s 16 cores nearly compensate for its older, slower architecture. In heavily parallel workloads that scale perfectly with core count, the Opteron’s raw core count makes it a viable alternative, especially in server environments where the quad-channel DDR3 memory bandwidth (59.7 GB/s) can feed many threads simultaneously. However, the data shows the Ryzen still comes out ahead in Cinebench R15, R20, and R23 multi-core tests, meaning modern Zen’s efficiency overcomes the Opteron’s core advantage in these specific benchmarks.

The Opteron 6376 holds a theoretical edge in memory bandwidth and core count for niche server workloads, but it is end-of-life and locked to older PCIe Gen 2. The Ryzen 3 PRO 1200 is active and supports modern DDR4 and PCIe Gen 3, making it the more future-proof option for new builds.

Specification Differences

The two processors differ across nearly every major specification. The Ryzen 3 PRO 1200 has 4 cores and 4 threads, while the Opteron 6376 has 16 cores and 16 threads. Clock speeds favor the Ryzen: base clock 3.10 GHz vs 2.30 GHz, and boost clock 3.40 GHz vs 3.20 GHz. Thermal design power (TDP) is 65 W for the Ryzen versus 115 W for the Opteron, showing the Ryzen’s superior power efficiency per core.

Process technology differs significantly: 14 nm for the Ryzen versus 32 nm for the Opteron. The Ryzen integrates 4,800 million transistors on a 213 mm² die, while the Opteron has 2,400 million transistors across 2x 315 mm² dies. Cache layouts are different, with the Ryzen using per-core L1 (96 KB) and L2 (512 KB) and a shared 8 MB L3, while the Opteron uses 768 KB L1 total, 2 MB L2 per module, and 8 MB L3 per die.

Memory support splits by generation: DDR4 dual-channel for the Ryzen (bandwidth 4256 MB/s) versus DDR3 quad-channel for the Opteron (bandwidth 59.7 GB/s). PCIe support is Gen 3 with 16 lanes for the Ryzen versus Gen 2 for the Opteron. The Ryzen has an unlocked multiplier, while the Opteron is locked. Sockets differ (AM4 vs G34), as do market segments (Desktop vs Server/Workstation). The Opteron has a launch MSRP of $703, while no launch MSRP is listed for the Ryzen. Production status is Active for the Ryzen and End-of-life for the Opteron.

Head-to-Head Benchmarks

The head-to-head data shows a clean sweep for the Ryzen 3 PRO 1200, with 6 wins out of 6 tests. In Cinebench R15 multi-core, the Ryzen scores 480 against the Opteron’s 477, a 0.6% delta. The single-core R15 test is a tie at 67 points each, where the Ryzen is credited with the win due to a 0% delta.

Moving to Cinebench R20, the Ryzen expands its lead slightly. Multi-core shows 2002 vs 1989, a 0.7% delta, while single-core shows 282 vs 280, also a 0.7% delta. The pattern repeats in Cinebench R23: multi-core 4767 vs 4736 (0.7% delta) and single-core 673 vs 668 (0.7% delta).

The consistent 0.7% margin across R20 and R23 multi-core tests is significant. It shows that as the workload scales in intensity, the Ryzen’s per-core efficiency maintains a small but reliable lead. The Opteron’s 16 cores cannot overcome the Ryzen’s architectural superiority in these tests. In single-core tests, the Ryzen’s higher clocks (3.40 GHz vs 3.20 GHz boost) translate directly to a 0.7% score advantage, which matches the clock speed delta proportionally.

The average benchmark scores reinforce this: 1379 for the Ryzen versus 1370 for the Opteron, a 0.7% overall difference. Both CPUs sit at the 36th percentile of all CPUs, meaning they are statistically equivalent in overall performance tier. The nearest rivals for the Ryzen include the AMD Ryzen 3 PRO 2300U and Intel Core i7-3740QM, both within 0.1% of its score. The Opteron’s nearest rivals include the Intel Core i7-2600 and Xeon E5-1410 v2, also within 0.3% of its score.

The Verdict

The data presents a clear verdict: the AMD Ryzen 3 PRO 1200 is the superior processor in every measured benchmark. It wins all 6 head-to-head tests, has a higher average benchmark score (1379 vs 1370), and does so with a 65 W TDP compared to the Opteron’s 115 W. For desktop users, the Ryzen 3 PRO 1200 is the obvious choice, offering better single-thread performance, modern DDR4 memory support, PCIe Gen 3, and an unlocked multiplier for overclocking.

For server or workstation applications, the Opteron 6376 still has a theoretical argument: 16 cores, quad-channel DDR3 with 59.7 GB/s bandwidth, and a large L3 cache (8 MB per die). However, the benchmark results show that even in multi-core tests, the Opteron cannot beat the Ryzen, losing by 0.6% to 0.7% in R15, R20, and R23. The Opteron’s core-count advantage is nearly enough to offset its architectural deficit, but not quite.

Buyers should also consider production status. The Ryzen 3 PRO 1200 is Active, while the Opteron 6376 is End-of-life. The Opteron also carries a launch MSRP of $703, whereas the Ryzen has no listed launch MSRP. From a pure performance-per-watt perspective, the Ryzen’s 65 W TDP versus the Opteron’s 115 W TDP makes it dramatically more efficient. Ultimately, the Ryzen 3 PRO 1200 is the recommended pick for any workload represented in these benchmarks, with the Opteron 6376 only being relevant for legacy server deployments that require its specific socket and memory configuration.