AMD Opteron 6376 vs Intel Core i5-760 Comparison

Head-to-Head Benchmarks

The recorded data shows a remarkably consistent pattern across all six Cinebench tests: the AMD Opteron 6376 wins every single head-to-head matchup, but by a narrow margin. In the Cinebench R15 multicore test, the Opteron scores 477 against the Core i5-760's 466, a 2.3% advantage. The single-core R15 result follows the same shape: 67 for the Opteron versus 65 for the Intel part, a 3% edge.

Moving to Cinebench R20, the multicore scores are 1989 for the AMD chip and 1942 for the Intel chip, a 2.4% difference. The R20 single-core test shows 280 versus 273, which translates to a 2.5% lead for the Opteron. The most recent benchmark in the set, Cinebench R23, repeats the theme: the Opteron scores 4736 in multicore against 4624 for the Core i5, and 668 in single-core against 652. Both R23 deltas sit at 2.4%.

The data indicates that the Opteron 6376 does not dominate the Core i5-760 in any dramatic fashion. Instead, the AMD processor maintains a small but consistent advantage across every workload measured. The largest single margin is 3% in R15 single-core, while the smallest is 2.3% in R15 multicore. This uniformity suggests that the performance gap is structural rather than workload-dependent.

In terms of overall standing, the Core i5-760 holds a 35th percentile ranking among all CPUs in the database, while the Opteron 6376 sits one point higher at the 36th percentile. The average benchmark score for the Intel part is 1337, and for the AMD part it is 1370. That 33-point difference in average score aligns with the roughly 2.4% margins seen in the individual tests.

The nearest rivals for each processor further contextualize these numbers. The Core i5-760's closest competitor is the Intel Core i5-4590T, with an average score of 1340 and a delta of -0.2%, meaning the i5-760 trails that chip by a negligible margin. The i5-4460S (1330, +0.5%) and i5-2500K (1329, +0.6%) are slightly behind the i5-760, while the i5-4670 (1347, -0.8%) sits slightly ahead. For the Opteron 6376, the nearest rival is the Intel Core i7-2600, which matches its average score of 1370 exactly (0% delta). The Xeon E5-1410 v2 (1368, +0.1%), Xeon D-1521 (1367, +0.2%), and Core i7-3820QM (1366, +0.3%) all trail by less than one percent.

Where Each One Wins

The Opteron 6376 wins in every benchmark category recorded in the database. This includes both multicore and single-core tests across all three Cinebench versions. For multicore workloads, the AMD chip benefits from its higher core count, though the advantage is modest in absolute terms. The R23 multicore score of 4736 versus 4624 represents a 112-point gap, which is larger than the 11-point gap in R15 multicore (477 versus 466).

Single-core tests also favor the Opteron, which is notable because the Core i5-760 has a higher base clock (2.80 GHz versus 2.30 GHz) and a higher boost clock (3.33 GHz versus 3.20 GHz). Despite those clock advantages, the AMD part still manages a 3% lead in R15 single-core and a 2.5% lead in R20 single-core. This suggests that the Piledriver architecture's instruction efficiency compensates for the lower clocks in these specific workloads.

For users prioritizing threaded performance, the Opteron 6376 offers 16 threads versus the Core i5-760's 4 threads, and the benchmark results confirm that the extra threads translate into a measurable, if not overwhelming, win. The server-class processor also brings quad-channel memory support and ECC memory, which are absent from the desktop Intel chip. Those features do not directly appear in Cinebench scores but matter for system-level stability in memory-intensive scenarios.

The Core i5-760, despite losing every head-to-head, remains competitive in its own right. Its average benchmark score of 1337 places it within 0.6% of the i5-2500K and within 0.8% of the i5-4670, both of which are newer desktop parts. The i5-760's 4-core, 4-thread configuration is sufficient for many single-threaded and lightly threaded applications, and its 8 MB shared L3 cache is identical in size to the Opteron's per-die L3.

Architecture Differences

The two processors come from fundamentally different design philosophies. The Intel Core i5-760 is built on the Nehalem architecture with the Lynnfield codename, fabricated on a 45 nm process by Intel. It integrates 774 million transistors on a 296 mm² die. The AMD Opteron 6376 uses the Piledriver architecture with the Abu Dhabi codename, manufactured on a 32 nm process by GlobalFoundries. It packs 2,400 million transistors across two dies, each measuring 315 mm², for a combined die area of 630 mm².

Core and thread counts diverge sharply. The i5-760 has 4 cores and 4 threads, meaning no Hyper-Threading support. The Opteron 6376 has 16 cores and 16 threads, also without SMT. However, the AMD design uses a modular approach where pairs of cores share a 2 MB L2 cache per module. The Intel part provides 256 KB of L2 per core. L1 cache differs as well: the i5-760 has 64 KB per core, while the Opteron has a total of 768 KB across all cores.

L3 cache is organized differently. The Intel chip has a single 8 MB shared L3 pool. The Opteron has 8 MB per die, which means 16 MB total across its two dies, though the database records it as "8 MB (per die)" without a total figure. Memory support is another separator: both use DDR3, but the i5-760 runs dual-channel while the Opteron runs quad-channel with a recorded memory bandwidth of 59.7 GB/s. The Opteron also supports ECC memory, while the i5-760 does not.

PCIe connectivity differs in lane count and generation. The i5-760 provides Gen 2 with 16 lanes from the CPU. The Opteron also uses Gen 2 but the database does not specify a lane count. The Intel part has an integrated graphics field marked as null, meaning no on-die GPU, and the AMD part likewise has no integrated graphics.

Clock speeds favor Intel in both base and boost: 2.80 GHz base and 3.33 GHz boost versus 2.30 GHz base and 3.20 GHz boost for the Opteron. However, the AMD chip compensates with more cores and a newer process node. The i5-760 was released in July 2010, while the Opteron 6376 arrived in November 2012. Both are now end-of-life products.

The market segments also differ. The i5-760 is a desktop part, while the Opteron 6376 is a server or workstation processor. This explains the Opteron's ECC support, quad-channel memory, and higher TDP of 115 watts compared to the i5-760's 95 watts. The Opteron's launch MSRP was $703, though no price information is recorded for the i5-760.

FAQ

Q: Which processor has a higher single-core score in Cinebench R23?

A: The AMD Opteron 6376 scores 668 in the R23 single-core test, while the Intel Core i5-760 scores 652. The AMD part leads by 2.4% in that test.

Q: How do the two compare in multicore performance?

A: The Opteron 6376 wins all three multicore tests. In R15 it scores 477 versus 466, in R20 it scores 1989 versus 1942, and in R23 it scores 4736 versus 4624. The margins are consistent at around 2.3% to 2.4%.

Q: Does the Core i5-760 have ECC memory support?

A: No. The database records ECC memory support as false for the Intel Core i5-760. The AMD Opteron 6376 supports ECC memory.

Q: What is the memory channel configuration for each processor?

A: The Intel Core i5-760 uses dual-channel DDR3 memory. The AMD Opteron 6376 uses quad-channel DDR3 memory with a recorded bandwidth of 59.7 GB/s.

Q: Which chip has more cores and threads?

A: The AMD Opteron 6376 has 16 cores and 16 threads. The Intel Core i5-760 has 4 cores and 4 threads.

Q: How close are the two in average benchmark score?

A: The Opteron 6376 has an average score of 1370, while the Core i5-760 has an average score of 1337. The difference is 33 points, or roughly 2.4%.

Specification Differences

The two processors differ across nearly every specification field in the database. The Intel Core i5-760 has 4 cores and 4 threads, while the AMD Opteron 6376 has 16 cores and 16 threads. Base clocks are 2.80 GHz for Intel and 2.30 GHz for AMD. Boost clocks are 3.33 GHz and 3.20 GHz, respectively. TDP is 95 watts for the i5-760 and 115 watts for the Opteron.

Sockets are incompatible: Intel Socket 1156 for the i5-760, AMD Socket G34 for the Opteron. The architectures differ entirely, Nehalem versus Piledriver, with codenames Lynnfield and Abu Dhabi. Process nodes are 45 nm for Intel and 32 nm for AMD. Transistor counts are 774 million versus 2,400 million. Die size is 296 mm² for the Intel part, while the AMD part uses two dies of 315 mm² each.

Cache configurations are distinct. The i5-760 has 64 KB of L1 per core, 256 KB of L2 per core, and 8 MB of shared L3. The Opteron has 768 KB of total L1, 2 MB of L2 per module, and 8 MB of L3 per die. Memory support is DDR3 for both, but the Intel chip uses dual-channel while the AMD chip uses quad-channel with 59.7 GB/s bandwidth. ECC memory is not supported on the Intel part but is supported on the AMD part.

PCIe is Gen 2 for both, but the Intel chip has 16 lanes from the CPU, while the AMD chip's lane count is not recorded. Neither has integrated graphics. The i5-760 is a desktop part, and the Opteron is a server or workstation part. Release dates are July 2010 for Intel and November 2012 for AMD. The Opteron's launch MSRP was $703; no launch MSRP is recorded for the i5-760. Both are end-of-life products. Neither has an unlocked multiplier. Part numbers are SLBRP for the Intel chip and OS6376WKTGGHK for the AMD chip.