AMD Opteron 4332 HE vs AMD Opteron 4334 Comparison

Both AMD Opteron 4334 and AMD Opteron 4332 HE are six-core server processors from the Opteron 4000 series, built on the Piledriver architecture with the Seoul codename. The data reveals a remarkably close contest: the 4334 wins all five head-to-head benchmark comparisons, yet the margins are so thin that the 4332 HE's power efficiency becomes the only meaningful differentiator. The average benchmark scores reinforce this narrative, with the 4334 scoring 1155 against the 4332 HE's 1144, placing them at the 33rd and 32nd percentiles of all CPUs respectively.

Head-to-Head Benchmarks

The benchmark results show a consistent but narrow victory for the AMD Opteron 4334 across every Cinebench test. In the multicore R15 test, the 4334 scores 338 against the 4332 HE's 335, a delta of 0.9%. The R20 multicore test follows the same pattern: 1409 versus 1396, again a 0.9% advantage. Single-core performance tells an identical story, with the 4334 leading by 1% in R20 (198 vs 196) and 0.9% in R23 (473 vs 469). The largest gap anywhere appears in the R23 multicore test, where the 4334 scores 3356 versus 3324 — a 1% margin.

These deltas are statistically negligible. A 1% difference in a synthetic render workload would rarely translate into perceptible real-world gains. The Opteron 4334's base clock of 3.10 GHz compared to 3.00 GHz on the 4332 HE explains the slight edge, but the 4332 HE counters with a higher boost clock of 3.70 GHz versus 3.50 GHz. The data suggests that single-threaded workloads could occasionally favor the 4332 HE when boost clocks engage, yet the benchmarks consistently show the 4334 ahead even in single-core tests. This implies the 4334's higher base clock provides a more stable performance baseline.

The average benchmark score comparison places the 4334 at 1155, sitting just 0.1% above the AMD Ryzen Embedded R2312 and 0.1% below the Intel Core i3-8145UE. The 4332 HE's average of 1144 puts it 0.2% behind the Intel Core i7-2600S and 0.4% behind the Intel Core i5-4430. Both processors occupy a similar performance tier, with the 4334 marginally closer to the midpoint of its rival cluster.

Architecture Differences

Both chips share the identical foundational architecture: the Piledriver design on a 32 nm process node, manufactured with 1,200 million transistors on a 315 mm² die. The cache hierarchy is exactly the same — 288 KB of L1, 6 MB of L2, and 8 MB of shared L3 cache. Both use the AMD Socket C32 and support DDR3 memory, with no ECC support and no integrated graphics. The part numbers differ — OS4334WLU6KHK for the 4334 and OS4332OFU6KHK for the 4332 HE — but the underlying silicon appears indistinguishable.

The critical divergence lies in the clock specifications and thermal design envelope. The 4334 operates at a base clock of 3.10 GHz with a boost up to 3.50 GHz, drawing 95 W of power. The 4332 HE runs at 3.00 GHz base but boosts higher to 3.70 GHz, all within a 65 W TDP. The "HE" suffix indicates a high-efficiency variant, and the 30 W difference in TDP is substantial for server deployments where thermal density and power costs matter. Both processors were released on the same date in December 2012 and belong to the same Opteron (Seoul) generation, so there are no architectural revisions to account for the efficiency gap — it is purely a matter of binning and clock strategy.

Where Each One Wins

The AMD Opteron 4334 wins all five benchmark comparisons in the data, but the margins are so small that the practical advantage is minimal. The 4334 is the better choice for workloads that demand consistent, sustained multi-threaded performance at a fixed clock. Its higher base clock of 3.10 GHz means it will maintain its performance level without relying on boost behavior, which could be beneficial in environments with limited cooling or where boost clocks are disabled for stability reasons. The R23 multicore score of 3356 versus 3324, while only 1% apart, does represent the largest absolute gap in the dataset.

The AMD Opteron 4332 HE wins where the benchmarks do not measure: power efficiency. Its 65 W TDP versus 95 W means it draws roughly one-third less power under load, a factor that becomes decisive in dense server racks where thermal limits and electricity budgets constrain the number of CPUs per chassis. The higher boost clock of 3.70 GHz also gives it a theoretical edge in bursty single-threaded workloads, even though the benchmark data shows the 4334 ahead by 1% in R20 single-core. In a scenario where the 4332 HE can sustain its boost clock longer due to lower thermal output, it could outperform the 4334 despite the lower base frequency.

FAQ

Q: Which processor has a higher clock speed?

A: The AMD Opteron 4334 has a higher base clock at 3.10 GHz compared to 3.00 GHz on the 4332 HE, but the 4332 HE has a higher boost clock at 3.70 GHz versus 3.50 GHz on the 4334.

Q: What is the performance difference in the R20 multicore test?

A: The Opteron 4334 scores 1409 while the Opteron 4332 HE scores 1396, giving the 4334 a 0.9% advantage in that benchmark.

Q: Are these processors identical in architecture?

A: Yes, both use the Piledriver architecture with the Seoul codename, a 32 nm process node, 1,200 million transistors, a 315 mm² die size, 6 cores, 6 threads, and identical cache sizes of 288 KB L1, 6 MB L2, and 8 MB shared L3.

Q: How does the power consumption differ between the two?

A: The Opteron 4334 has a TDP of 95 W, while the Opteron 4332 HE has a significantly lower TDP of 65 W, making the 4332 HE the more power-efficient option.

Q: Which processor has more benchmark wins?

A: The Opteron 4334 wins all five head-to-head benchmark comparisons, with deltas ranging from 0.9% to 1% across Cinebench R15, R20, and R23 tests.

Q: What is the average benchmark score for each?

A: The Opteron 4334 has an average benchmark score of 1155, while the Opteron 4332 HE scores 1144, placing them at the 33rd and 32nd percentiles respectively.

The Verdict

The data presents a clear performance hierarchy: the AMD Opteron 4334 is the faster processor in every measured benchmark, but the margin is so slim that it defies meaningful real-world distinction. A 0.9% to 1% advantage in Cinebench scores would be imperceptible in most server workloads, especially those that are not purely compute-bound. The 4334's higher base clock of 3.10 GHz provides a slight edge in sustained multi-threaded rendering tasks, as evidenced by its 3356 R23 multicore score versus 3324.

The AMD Opteron 4332 HE, however, offers a compelling counterargument. Its 65 W TDP compared to 95 W represents a 30 W reduction in power draw, which translates to lower operating costs and reduced cooling requirements in a server environment. The higher boost clock of 3.70 GHz means that for workloads with idle periods or single-threaded bursts, the 4332 HE could match or exceed the 4334's performance while consuming less energy. For a database server or a web front-end that rarely saturates all cores, the 4332 HE's efficiency profile is arguably the smarter choice.

For workloads that are heavily multi-threaded and run continuously — such as rendering farms or scientific computing — the 4334's consistent base clock and slightly higher benchmark scores make it the safer pick. For general-purpose servers where power density and thermal management are primary concerns, the 4332 HE is the better option, sacrificing at most 1% performance for a 30 W reduction in TDP. The choice hinges on whether the operator prioritizes the marginal performance edge or the substantial efficiency advantage.

Specification Differences

The two processors differ in exactly three specification fields: base clock, boost clock, and TDP. The AMD Opteron 4334 runs at 3.10 GHz base and 3.50 GHz boost with a 95 W TDP. The AMD Opteron 4332 HE runs at 3.00 GHz base and 3.70 GHz boost with a 65 W TDP. All other specifications are identical: 6 cores, 6 threads, Piledriver architecture, Seoul codename, 32 nm process, 1,200 million transistors, 315 mm² die, 288 KB L1 cache, 6 MB L2 cache, 8 MB shared L3 cache, AMD Socket C32, DDR3 memory support, and no ECC or integrated graphics. The part numbers differ, with the 4334 using OS4334WLU6KHK and the 4332 HE using OS4332OFU6KHK, but this reflects the differing clock bins rather than any architectural change. Both were released on the same date in December 2012 and neither has an unlocked multiplier.