AMD Opteron 4376 HE vs Intel Pentium G4600 Comparison

The AMD Opteron 4376 HE and the Intel Pentium G4600 occupy the same performance percentile tier, both landing at the 29th percentile among all CPUs, with average benchmark scores of 1061 and 1056 respectively. Despite this near-identical aggregate standing, the two processors are fundamentally different designs from different eras: the Opteron is an eight-core server chip built on 32nm Piledriver architecture, while the Pentium is a dual-core desktop part on 14nm Kaby Lake. The head-to-head benchmark data shows a consistent pattern across every Cinebench test, with the AMD part winning all five comparisons by margins between 19.4% and 19.9%.

FAQ

Q: Which processor has more cores and threads?

A: The AMD Opteron 4376 HE has 8 cores and 8 threads, while the Intel Pentium G4600 has 2 cores and 4 threads.

Q: How does the single-core performance compare?

A: The Opteron wins the single-core tests by roughly 19.6-19.9%. In Cinebench R20 single-core, the Opteron scores 217 versus the Pentium's 181, a 19.9% advantage. In Cinebench R23 single-core, the Opteron scores 518 versus 433, a 19.6% lead.

Q: What are the maximum clock speeds for each processor?

A: The AMD Opteron 4376 HE has a base clock of 2.60 GHz and a boost clock of 3.60 GHz. The Intel Pentium G4600 has a base clock of 3.60 GHz with no boost clock listed.

Q: Which processor supports DDR4 memory?

A: The Intel Pentium G4600 supports DDR4 memory with dual-channel configuration and 38.4 GB/s bandwidth. The AMD Opteron 4376 HE supports DDR3 memory.

Q: Do either of these processors have integrated graphics?

A: The Intel Pentium G4600 includes Intel HD 630 integrated graphics. The AMD Opteron 4376 HE has no integrated graphics listed.

Q: What is the TDP difference between the two?

A: The AMD Opteron 4376 HE has a TDP of 65 watts, while the Intel Pentium G4600 has a TDP of 51 watts.

Architecture Differences

The AMD Opteron 4376 HE is built on the Piledriver architecture with the codename "Seoul," representing the Opteron 4000 series. It uses a 32nm process node with 1,200 million transistors on a 315 mm² die. The processor is designed for the server/workstation market segment and fits into the AMD Socket C32. Its cache hierarchy consists of 384 KB of L1 cache, 8 MB of L2 cache, and 8 MB of shared L3 cache. The memory support is DDR3, and ECC memory is not supported according to the specification data.

The Intel Pentium G4600 uses the Kaby Lake architecture, also codenamed Kaby Lake, on a 14nm process node manufactured by Intel. It fits into the Intel Socket 1151 and targets the desktop market segment. The cache layout differs significantly: 64 KB of L1 cache per core, 256 KB of L2 cache per core, and 3 MB of shared L3 cache. The Pentium supports DDR4 memory through a dual-channel memory bus with 38.4 GB/s bandwidth. It also includes PCIe Gen 3 with 16 lanes (CPU only) and integrated Intel HD 630 graphics.

The transistor count and die size are not listed for the Pentium, which reflects the different data available for the two parts. The Opteron's larger 8-core design with 8 MB of L2 and 8 MB of L3 cache contrasts sharply with the Pentium's smaller per-core cache structure and 3 MB total L3. The production status shows the Pentium as "Active," while no status is listed for the Opteron. The release dates differ by over four years, with the Opteron launching on 2012-12-03 and the Pentium on 2017-01-02.

Head-to-Head Benchmarks

The head-to-head data shows a clean sweep for the AMD Opteron 4376 HE across all five Cinebench tests. The largest single margin comes in Cinebench R20 single-core, where the Opteron scores 217 against the Pentium's 181, a 19.9% difference. This is notable because single-core performance typically favors newer architectures with higher clocks per core, yet the Opteron's 3.60 GHz boost clock matches the Pentium's base clock exactly, and the older Piledriver design still manages to win decisively.

In multi-core workloads, the Opteron's 8-core advantage becomes more apparent. Cinebench R15 multi-core shows the Opteron at 369 versus the Pentium at 309, a 19.4% lead. Cinebench R20 multi-core shows a similar pattern: 1541 versus 1289, a 19.6% advantage. The Cinebench R23 multi-core test records the largest absolute gap, with the Opteron scoring 3670 against the Pentium's 3070, representing a 19.5% difference.

The consistency of the margins is striking. Every single test falls within a narrow range of 19.4% to 19.9%, regardless of whether the workload is single-threaded or multi-threaded. This suggests that the performance delta is driven by architectural efficiency differences rather than core-count scaling, since the single-core tests show essentially the same percentage gap as the multi-core tests. The Pentium's 2-core/4-thread configuration with Hyper-Threading appears to help it stay competitive, but the Opteron's higher core count and 8 MB of L3 cache provide a consistent edge.

The Cinebench R23 single-core test shows the Opteron at 518 and the Pentium at 433, a 19.6% difference. This is particularly telling because the Pentium's 3.60 GHz base clock should give it a clock-for-clock advantage in lightly threaded workloads, yet the Opteron still wins by nearly a fifth. The benchmark data also shows winsA at 5 and winsB at 0, confirming the complete dominance of the AMD part in these tests.

Specification Differences

The two processors differ across nearly every specification category. The core and thread counts show the most dramatic divergence: 8 cores and 8 threads for the Opteron versus 2 cores and 4 threads for the Pentium. The base clocks are 2.60 GHz for the Opteron and 3.60 GHz for the Pentium, while the Opteron adds a 3.60 GHz boost clock that the Pentium lacks entirely.

The process nodes represent different generations of manufacturing technology: 32nm for the Opteron versus 14nm for the Pentium. The Opteron's die size is listed at 315 mm² with 1,200 million transistors, while neither figure is provided for the Pentium. The cache configurations are structurally different: the Opteron has 384 KB L1, 8 MB L2, and 8 MB shared L3, while the Pentium has 64 KB L1 per core, 256 KB L2 per core, and 3 MB shared L3.

Memory support differs by generation: the Opteron uses DDR3, while the Pentium uses DDR4 with a dual-channel bus and 38.4 GB/s bandwidth. The Opteron has no memory bus or bandwidth figures listed. The Pentium includes PCIe Gen 3 with 16 lanes (CPU only) and integrated Intel HD 630 graphics; the Opteron lists no PCIe or integrated graphics data.

The sockets are incompatible: AMD Socket C32 for the Opteron versus Intel Socket 1151 for the Pentium. The market segments also differ, with the Opteron targeting server/workstation use and the Pentium targeting desktop. The TDP values are 65 watts for the Opteron and 51 watts for the Pentium. The release dates are 2012-12-03 for the Opteron and 2017-01-02 for the Pentium. The part numbers are OS4376OFU8KHK for the Opteron and SR35F for the Pentium. Neither processor has an unlocked multiplier, and neither lists a launch MSRP.

The Verdict

The benchmark data supports a clear recommendation for the AMD Opteron 4376 HE in raw performance terms. It wins every single head-to-head test with margins around 19.5%, and it does so consistently across both single-core and multi-core workloads. The 8-core configuration with 8 MB of L3 cache provides a structural advantage for multi-threaded applications, while the 3.60 GHz boost clock helps it stay competitive in single-threaded scenarios despite the older 32nm process.

For workloads that can utilize multiple cores, the Opteron's advantage is straightforward: it delivers roughly 19.5% higher scores in Cinebench R15, R20, and R23 multi-core tests. For single-threaded tasks, the data shows the Opteron still leads by the same margin, which is unexpected given the Pentium's higher base clock and newer architecture. Users with existing AMD Socket C32 server platforms who want to upgrade performance would find the Opteron 4376 HE a capable choice based on these benchmarks.

The Intel Pentium G4600 offers different advantages that are not captured in the Cinebench scores. It supports DDR4 memory with 38.4 GB/s bandwidth, includes integrated Intel HD 630 graphics, has a lower 51-watt TDP, and is built on a more efficient 14nm process. The production status is listed as "Active," whereas no status is given for the Opteron. For desktop users building a new system on Intel Socket 1151, the Pentium provides modern platform features and lower power consumption, even though it trails in the benchmark results.

The choice depends on platform priorities. The data shows the Opteron is the performance winner in every measured test, while the Pentium offers platform modernity, integrated graphics, and lower power draw. Both processors sit at the 29th percentile overall, and their average benchmark scores are nearly identical at 1061 and 1056. The Opteron's nearest rivals include the Intel Core i3-4360 at exactly 1061, while the Pentium's nearest rivals include the Intel Core i7-2760QM at 1057. These figures confirm that both parts occupy the same performance tier despite their architectural differences.