Intel Core i7-2600S vs Intel Core i7-3612QE Comparison

The data places the Intel Core i7-3612QE and the Intel Core i7-2600S in a statistical dead heat, separated by a mere 0.1% in average benchmark score (1147 vs 1146). Both are 4-core, 8-thread parts, yet they represent two very different design philosophies: one is a low-power mobile chip, the other a higher-clocked desktop part. The benchmark results show a consistent, though narrow, advantage for the mobile i7-3612QE across every rendering test, while the desktop i7-2600S counters with a win in the only available Geekbench test.

Head-to-Head Benchmarks

The most striking pattern in the head-to-head data is the sheer consistency of the i7-3612QE’s victories. It wins all six Cinebench comparisons, though never by a margin larger than 1.8%. In the multi-core Cinebench R15 test, the i7-3612QE scores 399 against the i7-2600S’s 396, a 0.8% lead. That edge expands slightly in the single-core variant of the same test, where scores of 56 and 55 yield a 1.8% delta, the largest of the entire comparison. This suggests the mobile chip’s architectural efficiency can overcome its lower clock speeds in short, lightly threaded bursts.

Moving to the more demanding Cinebench R20 workload, the margin narrows to 0.9% in both multi-core and single-core tests. The i7-3612QE posts 1666 and 235, respectively, against the i7-2600S’s 1651 and 233. The trend holds in the latest Cinebench R23 suite: the i7-3612QE leads 3967 to 3933 in multi-core (0.9%) and 560 to 555 in single-core (0.9%). These are near-identical results, but the direction of the delta is uniform—the i7-3612QE wins every rendering benchmark included in the data.

The single counter-example comes from Geekbench, a test that only the i7-2600S has data for. It scores 1765 in multi-core and 578 in single-core. Without a corresponding score for the i7-3612QE, this result cannot be directly compared, but it does provide an absolute reference point for the desktop chip’s performance in a different benchmark suite. The i7-2600S’s overall percentile rank of 32 versus the i7-3612QE’s 33 confirms that both chips sit in the same performance tier, with the mobile part holding a razor-thin overall edge.

Architecture Differences

The two processors come from neighboring Intel generations but different market segments. The i7-3612QE is built on the 22 nm Ivy Bridge architecture, while the i7-2600S uses the older 32 nm Sandy Bridge design. This process shrink is reflected in the transistor counts: the i7-3612QE packs 1,400 million transistors into a 160 mm² die, whereas the i7-2600S fits 1,160 million transistors into a larger 216 mm² die. The newer process node gives the mobile chip a density advantage, but the desktop chip uses its larger die to house more cache.

Cache configurations differ meaningfully. Both chips share the same per-core L1 (64 KB) and L2 (256 KB) caches, but the i7-2600S has a larger 8 MB shared L3 cache, compared to the i7-3612QE’s 6 MB. This 2 MB difference in last-level cache could theoretically benefit the desktop part in workloads with larger working sets, though the benchmark data does not show a corresponding performance advantage. The i7-3612QE compensates with a lower 35 W TDP, exactly half the 65 W TDP of the i7-2600S.

Clock speeds tell the other side of the story. The i7-2600S has a 2.80 GHz base clock and a 3.80 GHz boost clock, significantly higher than the i7-3612QE’s 2.10 GHz base and 3.10 GHz boost. Despite these higher frequencies, the i7-2600S cannot translate its clock advantage into benchmark wins. The i7-3612QE also features the newer Intel HD 4000 integrated graphics, compared to the i7-2600S’s Intel HD 2000. Memory support is dual-channel for both, with the i7-2600S explicitly supporting DDR3. The desktop part offers PCIe Gen 3 with 16 lanes (CPU only), while the mobile chip’s PCIe details are not listed. Neither processor supports ECC memory, and both have locked multipliers.

Where Each One Wins

The i7-3612QE wins every benchmark where a direct comparison exists, making it the clear choice for multi-threaded rendering workloads. In Cinebench R15, R20, and R23 multi-core tests, it leads by margins ranging from 0.8% to 0.9%. These are small but consistent advantages, suggesting that Ivy Bridge’s architectural improvements—likely better instruction handling and memory efficiency—offset the 700 MHz deficit in base clock and 700 MHz deficit in boost clock. For users running CPU-bound rendering tasks, the data points squarely to the i7-3612QE.

The same holds for single-threaded performance, where the i7-3612QE wins all three Cinebench single-core tests. The largest delta, 1.8% in R15 single-core, is notable because single-threaded workloads typically favor higher clock speeds. The i7-3612QE’s 3.10 GHz boost clock trails the i7-2600S’s 3.80 GHz, yet the newer architecture still comes out ahead. This indicates that Ivy Bridge’s per-clock efficiency is substantial enough to overcome a 700 MHz frequency disadvantage.

The i7-2600S has no direct benchmark wins in the head-to-head data, but its Geekbench scores (1765 multi-core, 578 single-core) provide a reference for its capabilities outside the Cinebench suite. Its higher base and boost clocks could prove beneficial in workloads that are not represented in the data, particularly those that are sensitive to raw frequency rather than architectural efficiency. The larger 8 MB L3 cache is another potential advantage for the desktop chip, though no benchmark in the provided data demonstrates a scenario where this matters. Additionally, the i7-2600S is a desktop Socket 1155 part, which may offer more flexible cooling and power delivery options in a full-size system, while the i7-3612QE is a mobile BGA 1023 part designed for laptops.

FAQ

Q: Which processor has a higher average benchmark score?

A: The Intel Core i7-3612QE has an average benchmark score of 1147, which is 0.1% higher than the Intel Core i7-2600S’s score of 1146.

Q: How much larger is the L3 cache on the i7-2600S?

A: The i7-2600S has 8 MB of shared L3 cache, while the i7-3612QE has 6 MB, a difference of 2 MB.

Q: What is the TDP difference between the two chips?

A: The i7-3612QE has a 35 W TDP, while the i7-2600S has a 65 W TDP, making the mobile chip 30 W lower.

Q: In the Cinebench R23 multi-core test, what are the exact scores?

A: The i7-3612QE scores 3967, and the i7-2600S scores 3933, a 0.9% delta in favor of the i7-3612QE.

Q: Do both processors support ECC memory?

A: No, neither the i7-3612QE nor the i7-2600S supports ECC memory.

Q: Which processor has a higher boost clock?

A: The i7-2600S has a boost clock of 3.80 GHz, compared to the i7-3612QE’s 3.10 GHz boost clock.

The Verdict

The data presents a clear, if narrow, victory for the Intel Core i7-3612QE. Across six Cinebench benchmarks, it wins every single test, with margins between 0.8% and 1.8%. Its wins in both single-core and multi-core workloads are particularly telling because the i7-2600S holds significant clock advantages (2.80 GHz base vs 2.10 GHz, 3.80 GHz boost vs 3.10 GHz) and a larger 8 MB L3 cache. The i7-3612QE’s 22 nm Ivy Bridge architecture appears to deliver enough per-clock efficiency to overcome these disadvantages, while also consuming 30 W less power.

For users prioritizing rendering performance, the i7-3612QE is the better choice based on the benchmark evidence. Its 0.9% lead in Cinebench R23 multi-core (3967 vs 3933) and 1.8% lead in R15 single-core (56 vs 55) are small but consistent. The mobile chip also benefits from being in the 33rd percentile versus the i7-2600S’s 32nd, and its nearest rival list includes the i7-2600S itself with a 0.1% delta. The desktop i7-2600S is not without merit—its higher clocks and larger cache could serve workloads not captured in the provided data, and its Geekbench scores (1765 multi-core, 578 single-core) show it is a capable part—but it cannot claim a single head-to-head win. The verdict is straightforward: if the choice is between these two, the i7-3612QE’s benchmark record makes it the stronger performer, despite its mobile pedigree.