AMD Opteron 4334 vs Intel Core i7-2600S Comparison

# AMD Opteron 4334 vs Intel Core i7-2600S

The AMD Opteron 4334 and Intel Core i7-2600S represent two distinct approaches to computing from the same era, yet benchmark data reveals a consistent performance gap. The Opteron 4334, a six-core server processor from AMD's Opteron 4000 series, and the Core i7-2600S, a four-core desktop chip from Intel's Sandy Bridge generation, both target different market segments. However, the head-to-head benchmark results show the Intel part winning all five comparison tests, with margins ranging from 14.6% to 15% in the Intel's favor. Both processors sit near the 32nd-33rd percentile of all CPUs, indicating they occupy similar overall performance tiers despite their architectural differences.

FAQ

Q: Which processor wins the majority of head-to-head benchmarks?

A: The Intel Core i7-2600S wins all five head-to-head benchmark comparisons, covering Cinebench R15, R20, and R23 in both single-core and multi-core tests. The AMD Opteron 4334 does not win a single benchmark in the comparison.

Q: How large is the performance gap between the two processors?

A: The Intel Core i7-2600S leads by 14.6% to 15% across all tested workloads. The smallest margin is 14.6% in Cinebench R15 multi-core, while the largest is 15% in Cinebench R20 single-core.

Q: What are the core and thread configurations of each processor?

A: The AMD Opteron 4334 has 6 cores and 6 threads, while the Intel Core i7-2600S has 4 cores and 8 threads. The Intel chip uses hyper-threading to achieve 8 threads from 4 physical cores.

Q: How do their average benchmark scores compare?

A: The AMD Opteron 4334 has an average benchmark score of 1155, while the Intel Core i7-2600S scores 1146. Despite the Intel chip winning every head-to-head test, the AMD part has a marginally higher average score.

Q: What are the closest rivals for each processor?

A: The Opteron 4334's nearest rival is the AMD Ryzen Embedded R2312 with a delta of -0.1%, while the Core i7-2600S's closest competitor is the AMD Opteron 4284 with a delta of 0%. Both processors also share the Intel Core i5-4430 as a common rival.

Q: Which processor has the higher boost clock speed?

A: The Intel Core i7-2600S boosts to 3.80 GHz, while the AMD Opteron 4334 boosts to 3.50 GHz. The Intel chip also has a lower base clock at 2.80 GHz compared to the AMD's 3.10 GHz.

Architecture Differences

The architectural divide between these two processors is substantial. The AMD Opteron 4334 uses the Piledriver architecture, codenamed Seoul, built on a 32 nm process node. It features 1,200 million transistors on a 315 mm² die. The Intel Core i7-2600S uses the Sandy Bridge architecture, also built on 32 nm, but with 1,160 million transistors on a significantly smaller 216 mm² die.

Cache configurations reveal different design philosophies. The Opteron 4334 has 288 KB of L1 cache, 6 MB of L2 cache, and 8 MB of shared L3 cache. The Core i7-2600S specifies its cache per core: 64 KB L1 per core, 256 KB L2 per core, and 8 MB shared L3. This means the Intel chip's total L2 cache is 1 MB (4 cores × 256 KB), considerably less than the AMD's 6 MB, yet the Intel chip still outperforms in benchmarks.

The socket and platform targets diverge completely. AMD uses Socket C32, designed for server/workstation deployments, while Intel uses Socket 1155, a mainstream desktop socket. The Opteron 4334 lacks integrated graphics, whereas the Core i7-2600S includes Intel HD 2000 graphics. The Intel chip also supports PCIe Gen 3 with 16 lanes from the CPU, while the Opteron's PCIe configuration is not specified in the data.

Threading methodology differs fundamentally. The Opteron 4334 has 6 cores and 6 threads, meaning one thread per core with no SMT support. The Core i7-2600S has 4 cores but 8 threads, utilizing Intel's hyper-threading technology to process two threads per core. This explains how the Intel chip can maintain competitive or superior multi-threaded performance despite having fewer physical cores.

Where Each One Wins

The benchmark data is unambiguous: the Intel Core i7-2600S wins every single comparison in the head-to-head table. This includes all three generations of Cinebench tests (R15, R20, R23) in both single-core and multi-core configurations. The AMD Opteron 4334 records zero wins across the five benchmark comparisons.

However, the Opteron 4334 does have one statistical advantage: its average benchmark score of 1155 edges out the Intel's 1146. This suggests that across a broader benchmark suite beyond the Cinebench tests, the AMD part may perform competitively or better in certain workloads. The Opteron's nearest rival is the AMD Ryzen Embedded R2312 at -0.1%, while the Core i7-2600S's nearest rival is the AMD Opteron 4284 at 0%, indicating both processors are tightly clustered with their peers.

The Opteron 4334's six physical cores could theoretically benefit workloads that scale poorly with hyper-threading, though the head-to-head data does not support this hypothesis in Cinebench. The Intel chip's higher boost clock of 3.80 GHz versus 3.50 GHz likely drives its single-core advantage, which compounds into multi-core wins despite fewer physical cores.

Specification Differences

The two processors differ in nearly every specification category. The AMD Opteron 4334 has 6 cores and 6 threads, while the Intel Core i7-2600S has 4 cores and 8 threads. Base clocks are 3.10 GHz for AMD and 2.80 GHz for Intel, but boost clocks reverse the order: 3.50 GHz for AMD and 3.80 GHz for Intel.

Thermal design power differs significantly: the Opteron 4334 has a 95 W TDP, while the Core i7-2600S is rated at 65 W. This means the Intel chip delivers better benchmark performance while consuming substantially less thermal headroom. The Opteron uses AMD Socket C32, while the Intel chip uses Socket 1155.

Cache hierarchies are structured differently. The Opteron has 288 KB L1, 6 MB L2, and 8 MB shared L3. The Core i7-2600S has 64 KB L1 per core and 256 KB L2 per core, with 8 MB shared L3. The AMD chip uses 1,200 million transistors on a 315 mm² die, while Intel uses 1,160 million on 216 mm².

Memory support is DDR3 for both, but the Intel chip specifies dual-channel memory bus while the AMD's bus is not listed. ECC memory support is false for both processors. The Opteron targets the Server/Workstation market segment, while the Core i7-2600S targets Desktop. The Intel chip has integrated graphics (Intel HD 2000), PCIe Gen 3 with 16 lanes, and is marked end-of-life, while the Opteron lacks integrated graphics and its production status is not specified.

Head-to-Head Benchmarks

The Cinebench R15 multi-core test shows the Intel Core i7-2600S scoring 396 against the AMD Opteron 4334's 338, a delta of -14.6%. This establishes the performance gap early: despite having two fewer physical cores, the Intel chip's hyper-threading and higher boost clock produce a substantial lead.

Cinebench R20 multi-core widens the gap slightly to -14.7%, with Intel scoring 1651 versus AMD's 1409. The R20 single-core test shows the largest margin at -15%, with Intel at 233 and AMD at 198. This single-core deficit of 35 points is particularly telling given the AMD chip's higher base clock of 3.10 GHz versus 2.80 GHz.

Cinebench R23 results maintain the trend. Multi-core shows Intel at 3933 versus AMD's 3356, again -14.7%. Single-core shows Intel at 555 versus AMD's 473, a -14.8% delta. The consistency of these margins—all within 0.4 percentage points of each other—suggests the performance difference is systematic rather than workload-specific.

The data implies the Intel chip's architectural efficiency, not raw core count, drives its success. The Core i7-2600S achieves these wins with a 65 W TDP versus the Opteron's 95 W, making its performance-per-watt advantage even more pronounced. Interestingly, the Opteron's average benchmark score of 1155 slightly exceeds the Intel's 1146, hinting that outside the Cinebench family, the AMD part may find workloads where its six cores provide an edge.

The Verdict

The Intel Core i7-2600S is the clear performance winner based on the head-to-head data. It wins all five Cinebench comparisons with consistent margins of 14.6% to 15%, achieves this with a lower TDP of 65 W versus 95 W, and includes integrated graphics and PCIe Gen 3 support. The data suggests that for users prioritizing raw compute performance in Cinebench-type workloads, the Core i7-2600S is the superior choice.

The AMD Opteron 4334, however, targets a different market segment—Server/Workstation—where its six physical cores and larger L2 cache may benefit workloads not represented in the Cinebench suite. Its average benchmark score of 1155, slightly higher than the Intel's 1146, indicates that in a broader benchmark context, the AMD part remains competitive with its peer group. The Opteron's nearest rivals include other AMD server processors, while the Core i7-2600S sits alongside mobile and desktop chips.

For desktop users seeking the best Cinebench performance, the Intel Core i7-2600S is the data-backed choice. For server deployments where the Opteron 4000 series platform, Socket C32, and six-core configuration align with infrastructure requirements, the Opteron 4334 remains a viable option. The benchmark data cannot fully capture platform-level considerations, but for pure computational throughput, the Intel chip's 14.6-15% advantage across all tested scenarios is decisive.