AMD Opteron 3365 vs Intel Xeon D-1527 Comparison

Where Each One Wins

The recorded benchmark data paints a clear picture: the Intel Xeon D-1527 wins every single head-to-head comparison against the AMD Opteron 3365. Across five Cinebench tests, the Intel part takes all five victories, with no benchmark where the AMD chip comes out ahead. This is not a matter of one workload type favoring one processor; the margin is consistent across both single-core and multi-core tests.

Looking at the multi-core results, the Xeon D-1527 delivers 420 points in Cinebench R15 multi-core versus 349 for the Opteron, a 20.3% advantage. In Cinebench R20 multi-core, the Intel part scores 1753 against 1457, again a 20.3% lead. The R23 multi-core test shows the same pattern: 4176 for the Xeon D-1527 versus 3470 for the Opteron, 20.3% higher. The consistency of this delta across different Cinebench versions suggests a fundamental performance gap rather than a workload-specific quirk.

Single-core results tell a similar story, with the Xeon D-1527 posting 247 points in R20 single-core versus 205 for the Opteron, a 20.5% advantage. In R23 single-core, the Intel chip scores 589 versus 489, a 20.4% lead. The fact that the margin is nearly identical in both single-threaded and multi-threaded tests implies the advantage comes from per-thread efficiency, not just core count.

The Opteron 3365 does have more physical cores, 8 versus 4, but its threads equal the Xeon's at 8. However, raw core count does not translate into a win here. The data shows the Intel architecture extracts more performance from each thread, which is why the Intel part wins even in multi-core workloads where the AMD chip has twice the physical cores.

Average benchmark scores align with this trend. The Xeon D-1527 has an average score of 1207 across its benchmark set, while the Opteron 3365 averages 1194. Both processors sit in the 34th percentile against all CPUs in the database, meaning they occupy a similar overall performance tier, but the Intel part edges ahead within that tier.

Architecture Differences

The two processors come from fundamentally different design eras and philosophies. The Intel Xeon D-1527 uses the Broadwell architecture on a 14 nm process, fabricated by Intel, with a die size of 246 mm² and 3,200 million transistors. The AMD Opteron 3365 uses the K10 architecture, codenamed Delhi, on a 32 nm process from GlobalFoundries, with a larger die at 315 mm² but far fewer transistors at 1,200 million.

The transistor count difference is striking. The Intel chip packs 3,200 million transistors into a smaller die, while the AMD chip uses 1,200 million in a larger physical package. This density difference reflects the process node advantage: 14 nm versus 32 nm allows the Intel part to integrate more logic in less space.

Cache hierarchies differ significantly. The Xeon D-1527 has 64 KB of L1 cache per core, 256 KB of L2 per core, and 1.5 MB of L3 per core. The Opteron 3365 has 384 KB of total L1, 4 MB of total L2, and 8 MB of shared L3. While the AMD chip has a larger shared L3 pool, the Intel design provides dedicated L3 per core, which can reduce contention in multi-threaded workloads.

Memory support separates the two as well. The Xeon D-1527 supports both DDR3 and DDR4 memory in a dual-channel configuration, while the Opteron 3365 only supports DDR3, also dual-channel. The AMD part does list a memory bandwidth figure of 29.9 GB/s, while the Intel part does not have a recorded bandwidth number in the database.

PCIe capabilities differ. The Xeon D-1527 offers PCIe Gen 3 with 24 lanes from the CPU, while the Opteron 3365 provides PCIe Gen 2 without a lane count specified. The newer PCIe standard on the Intel chip provides higher per-lane bandwidth, which can matter for storage and networking workloads.

Integrated graphics are another differentiator. The Xeon D-1527 has no integrated graphics, while the Opteron 3365 lists integrated graphics as a chipset feature on certain motherboards. For server workloads, this is rarely a deciding factor, but it does represent a platform-level difference.

Power consumption is notably different. The Xeon D-1527 has a 35 W TDP, while the Opteron 3365 has a 65 W TDP. The Intel part delivers higher performance while drawing less power, which is a significant efficiency advantage. The socket types also differ: the Intel chip uses BGA 1667, a soldered package, while the AMD chip uses Socket AM3+, a socketed design.

Production status also differs. The Xeon D-1527 is listed as active, while the Opteron 3365 is end-of-life. The Intel part was released on October 31, 2015, with a launch MSRP of $213. The AMD part has no recorded release date or launch price in the database.

The Verdict

Based strictly on the recorded data, the Intel Xeon D-1527 is the superior processor in every measured benchmark. It wins all five head-to-head comparisons, with margins ranging from 20.3% to 20.5%. The consistency of these results, across both single-core and multi-core tests, leaves no ambiguity about which chip performs better.

The Opteron 3365 does offer more physical cores, 8 versus 4, and a higher boost clock of 3.30 GHz versus 2.70 GHz for the Intel part. Yet these advantages do not translate into benchmark victories. The Intel architecture's efficiency per thread overwhelms the AMD chip's raw core count and clock speed advantages.

For workloads that depend on multi-threaded performance, the Xeon D-1527 delivers a 20.3% lead in Cinebench R15, R20, and R23 multi-core tests. For single-threaded tasks, the Intel part leads by 20.4% to 20.5%. There is no workload category in the data where the Opteron 3365 wins.

The power efficiency further favors the Intel chip. At 35 W TDP versus 65 W for the AMD part, the Xeon D-1527 delivers higher performance at nearly half the power draw. In dense server deployments where power and cooling are constrained, this is a substantial operational advantage.

The Xeon D-1527 also benefits from a more modern platform: 14 nm process, DDR4 memory support, PCIe Gen 3, and an active production status. The Opteron 3365 is end-of-life, limited to DDR3 and PCIe Gen 2. For new deployments, the Intel part is the only sensible choice based on this data.

The only scenario where the Opteron 3365 might be considered is if a system already exists on Socket AM3+ with DDR3 memory and the upgrade path is limited by platform constraints. But even then, the benchmark data shows the Intel part outperforms it across the board.

FAQ

Q: Which processor has more cores?

A: The AMD Opteron 3365 has 8 cores, while the Intel Xeon D-1527 has 4 cores. However, both have 8 threads, as the Intel part supports hyper-threading.

Q: What is the performance difference in multi-core workloads?

A: The Intel Xeon D-1527 leads by 20.3% in Cinebench R15, R20, and R23 multi-core tests. The scores are 420 versus 349 in R15, 1753 versus 1457 in R20, and 4176 versus 3470 in R23.

Q: How do the single-core results compare?

A: The Intel Xeon D-1527 wins single-core tests by 20.4% to 20.5%. In Cinebench R20 single-core, it scores 247 versus 205, and in R23 single-core, it scores 589 versus 489.

Q: What are the TDP ratings for each processor?

A: The Intel Xeon D-1527 has a TDP of 35 W, while the AMD Opteron 3365 has a TDP of 65 W. The Intel part delivers higher performance at lower power consumption.

Q: Which processor supports DDR4 memory?

A: The Intel Xeon D-1527 supports both DDR3 and DDR4, while the AMD Opteron 3365 only supports DDR3. Both use a dual-channel memory bus.

Q: What is the production status of each chip?

A: The Intel Xeon D-1527 is listed as active, while the AMD Opteron 3365 is end-of-life. The Intel part has a recorded release date of October 31, 2015, and a launch MSRP of $213.

Head-to-Head Benchmarks

The most decisive result comes from Cinebench R23 multi-core, where the Intel Xeon D-1527 scores 4176 against the Opteron's 3470. This 706-point gap represents a 20.3% advantage and is the largest absolute difference in the benchmark suite. The R23 single-core test shows a 100-point gap, 589 versus 489, a 20.4% lead for the Intel part.

In Cinebench R20, the multi-core test shows the Xeon D-1527 at 1753 versus 1457 for the Opteron, a 296-point difference. The single-core R20 result has the Intel chip at 247 versus 205, a 42-point gap or 20.5% advantage. These results are consistent with the R23 numbers, confirming that the performance gap is stable across Cinebench versions.

The Cinebench R15 multi-core test shows the smallest absolute gap at 71 points, 420 versus 349, but the percentage difference remains the same at 20.3%. This consistency across three generations of Cinebench tests indicates that the performance relationship between these two processors does not change with workload intensity or test methodology.

The Intel part's average benchmark score of 1207 sits slightly above the Opteron's 1194, a 13-point difference. Both chips land in the 34th percentile against all CPUs, placing them in the same overall performance tier. However, within that tier, the Xeon D-1527 consistently outperforms the Opteron in every individual test.

The nearest rivals data provides context for both chips. The Xeon D-1527's closest competitor is the Intel Xeon D-1520 with an average score of 1209, a delta of -0.1%, meaning the D-1527 is essentially tied with that part. The Opteron 3365's nearest rival is the AMD Ryzen Embedded V1605B at 1196, a delta of -0.1%, also essentially tied. Both processors sit at the same performance level as their immediate competitors, but the Intel part has a slight edge over the AMD part.

Specification Differences

The two processors differ in nearly every architectural specification. The Intel Xeon D-1527 has 4 cores and 8 threads, while the AMD Opteron 3365 has 8 cores and 8 threads. The Intel part has a base clock of 2.20 GHz and a boost clock of 2.70 GHz, while the AMD part has a base of 2.30 GHz and a boost of 3.30 GHz.

Process technology separates them clearly: the Intel chip uses 14 nm from Intel, while the AMD chip uses 32 nm from GlobalFoundries. The Intel die is 246 mm² with 3,200 million transistors, while the AMD die is 315 mm² with 1,200 million transistors. The transistor density advantage of the Intel process is evident.

Cache configurations differ in structure. The Intel Xeon D-1527 provides 64 KB L1 per core, 256 KB L2 per core, and 1.5 MB L3 per core. The AMD Opteron 3365 provides 384 KB total L1, 4 MB total L2, and 8 MB shared L3. The Intel design allocates L3 per core, while the AMD design uses a shared pool.

Memory support shows the Intel part supporting both DDR3 and DDR4, while the AMD part supports only DDR3. Both use dual-channel memory buses. The AMD part has a recorded memory bandwidth of 29.9 GB/s, while the Intel part has no bandwidth figure in the database.

PCIe capability differs: the Intel chip offers Gen 3 with 24 lanes from the CPU, while the AMD chip offers Gen 2 without a lane count. Integrated graphics are absent on the Intel part but listed as a chipset feature on certain motherboards for the AMD part.

Power consumption is a major differentiator: 35 W for the Intel part versus 65 W for the AMD part. Socket types also differ: Intel BGA 1667 for the Xeon D-1527 versus AMD Socket AM3+ for the Opteron 3365. The Intel part is active in production with a release date of October 31, 2015, and a launch MSRP of $213, while the AMD part is end-of-life with no release date or launch price recorded.