AMD Opteron 6378 vs AMD Ryzen Embedded R2314 Comparison

Head-to-Head Benchmarks

The recorded data shows a clean sweep for the AMD Opteron 6378 across all six Cinebench comparisons. In the Cinebench R15 multicore test, the Opteron scores 504 against 493 for the Ryzen Embedded R2314, a 2.2% advantage. The single-core R15 result is closer in percentage terms: 71 to 69, a 2.9% gap in favor of the Opteron. Moving to Cinebench R20, the multicore score is 2102 for the Opteron versus 2055 for the R2314, a 2.3% lead, while the single-core result shows 296 against 289, a 2.4% difference.

The pattern persists in the newest workload. Cinebench R23 multicore gives the Opteron 6378 a score of 5005, with the Ryzen Embedded R2314 at 4893, a 2.3% margin. The single-core R23 test records 706 for the Opteron and 690 for the R2314, again a 2.3% delta. The head-to-head table confirms all six wins belong to the Opteron, with zero wins for the R2314. What is notable is how consistent the margins are: every test lands between 2.2% and 2.9%, suggesting the two processors are extremely close in raw Cinebench throughput despite their very different designs.

The average benchmark scores place the Opteron at 1447 and the R2314 at 1415. The Opteron's nearest rival in the database is the Intel Core i5-7300HQ with an average score of 1448, a delta of -0.1%, meaning the Opteron trails that chip by a hair. The R2314 sits exactly level with the AMD Ryzen 7 2700U and Intel Core i5-4460, both at 1415 with a 0% delta. The percentile rankings are also close: the Opteron sits at the 38th percentile of all CPUs, while the R2314 sits at the 37th. In practical terms, these two chips are nearly interchangeable in Cinebench, with the Opteron holding a narrow but consistent edge.

Architecture Differences

The architectural gap between these two AMD processors is substantial. The Opteron 6378 uses the Piledriver architecture under the codename Abu Dhabi, built on a 32 nm process at GlobalFoundries. The Ryzen Embedded R2314 uses Zen+ with the codename Picasso, on a 12 nm process, also at GlobalFoundries. The Opteron is part of the Opteron 6000 series, while the R2314 belongs to the Ryzen Embedded 2000 series.

Core counts differ sharply. The Opteron packs 16 cores with 16 threads, while the R2314 has 4 cores and 4 threads. The Opteron's transistor count is listed as 2,400 million across a die size of 2x 315 mm², meaning two dies. The R2314 has 4,940 million transistors on a single 210 mm² die. Cache hierarchies are organized differently as well. The Opteron has 768 KB of L1, 2 MB of L2 per module, and 8 MB of L3 per die. The R2314 has 96 KB of L1 per core, 512 KB of L2 per core, and 4 MB of shared L3.

Memory support diverges completely. The Opteron uses DDR3 with a quad-channel memory bus and a bandwidth of 59.7 GB/s. The R2314 uses DDR4 with a dual-channel bus and 42.7 GB/s of bandwidth. Both support ECC memory, which keeps them relevant for reliability-focused workloads. PCIe generations differ: the Opteron has Gen 2, while the R2314 has Gen 3 with 16 lanes for the CPU. The R2314 also includes integrated Radeon Vega 6 graphics, whereas the Opteron has no integrated graphics at all.

Sockets and physical platforms are unrelated. The Opteron uses AMD Socket G34, a server-class socket, while the R2314 uses AMD Socket FP5, a mobile/embedded package. The Opteron's TDP is 115 watts, the R2314's is 15 watts. Release dates are nearly a decade apart: the Opteron launched in November 2012, the R2314 in June 2022. The Opteron is end-of-life, the R2314 is still active. The Opteron's launch MSRP was $867; no launch MSRP is recorded for the R2314. Neither processor has an unlocked multiplier.

Where Each One Wins

The Opteron 6378 wins every benchmark in the head-to-head set, but the margins are small. In multicore workloads, the Opteron's 16 cores should theoretically dominate the R2314's 4 cores, yet the R2314's much newer Zen+ architecture and higher boost clock of 3.50 GHz versus 3.30 GHz close the gap. The Opteron's multicore leads range from 2.2% to 2.3% across R15, R20, and R23. Single-core results are similar, with the Opteron ahead by 2.3% to 2.9% despite the R2314's higher boost clock.

The R2314's wins are not in the benchmark scores but in platform characteristics. Its 15 watt TDP makes it suitable for fanless or passively cooled embedded systems, while the Opteron's 115 watt TDP demands substantial cooling. The R2314's integrated Radeon Vega 6 graphics eliminate the need for a discrete GPU in basic display workloads. The R2314's DDR4 support and Gen 3 PCIe provide modern connectivity that the Opteron cannot offer. For workloads that are not Cinebench-oriented, such as memory-latency-sensitive tasks or those leveraging newer instruction sets, the R2314's architecture likely holds advantages, though no such benchmarks are recorded in the database.

The Opteron's wins are narrow but consistent. In server or workstation contexts where 16 threads are needed and power is not the primary constraint, the Opteron edges out the R2314 in every recorded test. The R2314's 4 threads limit its multicore ceiling, but its modern core design nearly compensates. The database records no wins for the R2314, so any advantage it holds must be inferred from its platform features rather than measured Cinebench performance.

Specification Differences

The two processors differ in nearly every specification category. The Opteron has 16 cores and 16 threads; the R2314 has 4 cores and 4 threads. Base clocks are 2.40 GHz for the Opteron and 2.10 GHz for the R2314. Boost clocks are 3.30 GHz and 3.50 GHz respectively, favoring the R2314. TDP is 115 watts versus 15 watts. Sockets are G34 and FP5. Architecture is Piledriver versus Zen+, codenames Abu Dhabi versus Picasso. Process nodes are 32 nm and 12 nm. Transistor counts are 2,400 million and 4,940 million. Die sizes are 2x 315 mm² and 210 mm².

Cache layouts are fundamentally different. The Opteron has 768 KB L1, 2 MB L2 per module, and 8 MB L3 per die. The R2314 has 96 KB L1 per core, 512 KB L2 per core, and 4 MB shared L3. Memory support is DDR3 versus DDR4, with quad-channel versus dual-channel buses. Memory bandwidth is 59.7 GB/s for the Opteron and 42.7 GB/s for the R2314. PCIe is Gen 2 for the Opteron and Gen 3 with 16 lanes for the R2314. Integrated graphics are absent on the Opteron and present as Radeon Vega 6 on the R2314.

Market segments differ: the Opteron is server/workstation, the R2314 is desktop. Production status is end-of-life versus active. Release dates are 2012 and 2022. The Opteron has a recorded launch MSRP of $867; the R2314 has none. Part numbers are OS6378WKTGGHK and YE2314C4T4MFH. Both have locked multipliers. Both support ECC memory. Both are manufactured by AMD at GlobalFoundries.

FAQ

Q: Which processor has more cores?

A: The AMD Opteron 6378 has 16 cores and 16 threads. The AMD Ryzen Embedded R2314 has 4 cores and 4 threads.

Q: What are the Cinebench R23 multicore scores for each?

A: The Opteron 6378 scores 5005 in Cinebench R23 multicore, while the Ryzen Embedded R2314 scores 4893. The Opteron wins by 2.3%.

Q: Do both processors support ECC memory?

A: Yes, both the Opteron 6378 and the Ryzen Embedded R2314 have ECC memory support.

Q: What is the TDP difference?

A: The Opteron 6378 has a TDP of 115 watts. The Ryzen Embedded R2314 has a TDP of 15 watts.

Q: Which processor has integrated graphics?

A: Only the Ryzen Embedded R2314 has integrated graphics, specifically Radeon Vega 6. The Opteron 6378 has no integrated graphics.

Q: How do their average benchmark scores compare?

A: The Opteron 6378 has an average benchmark score of 1447, placing it at the 38th percentile. The Ryzen Embedded R2314 has an average score of 1415, at the 37th percentile.

The Verdict

The data points to a narrow but unambiguous winner: the AMD Opteron 6378 takes all six head-to-head benchmark wins, with margins between 2.2% and 2.9%. If raw Cinebench performance is the sole criterion, the Opteron is the pick. Its 16 cores provide the thread count for heavily parallel workloads, and the recorded scores confirm it outperforms the R2314 in every test. The Opteron's average benchmark score of 1447 also edges out the R2314's 1415.

However, the R2314 is not without merit. Its 15 watt TDP makes it viable for embedded and low-power systems where the Opteron's 115 watt TDP would be impractical. The R2314's integrated Radeon Vega 6 graphics and Gen 3 PCIe support modern platform requirements that the Opteron, with its Gen 2 PCIe and no iGPU, cannot meet. The R2314 is also an active product, while the Opteron is end-of-life.

For a server or workstation application where power is available and 16 threads are useful, the Opteron 6378 is the better choice based on benchmark data. For an embedded or desktop system with strict power limits, the Ryzen Embedded R2314 is the only sensible option, even though it loses every recorded Cinebench comparison. The Opteron's launch MSRP was $867, but the R2314 has no recorded launch price, so cost comparisons are not possible from the data. The verdict is clear: the Opteron wins on performance, the R2314 wins on efficiency and platform modernity.