Intel Core i7-2635QM vs Intel Core i7-960 Comparison

The Intel Core i7-2635QM and Intel Core i7-960 are both 4-core, 8-thread processors from Intel, but they represent two very different design philosophies and eras. The data shows a consistent, though narrow, victory for the mobile Sandy Bridge chip across every benchmark where they are directly compared. Despite the i7-960’s massive clock speed advantage on paper, the newer architecture of the i7-2635QM delivers superior performance in all recorded Cinebench tests, making it the definitive winner in these head-to-head results.

Where Each One Wins

The benchmark results are unambiguous: the Intel Core i7-2635QM wins every single workload recorded in the dataset. Out of five head-to-head comparisons, the i7-2635QM takes all five, leaving the i7-960 with zero wins. This is not a case of one chip dominating specific tasks while the other reclaims ground elsewhere; the data shows a clean sweep for the mobile processor.

The i7-2635QM’s victories are most pronounced in single-core performance, where its newer architecture appears to provide a significant per-clock advantage. In the Cinebench R20 single-core test, the i7-2635QM scores 177 against the i7-960’s 170, a 4.1% lead. This is the largest margin of victory in any of the head-to-head benchmarks, suggesting that the Sandy Bridge core design is substantially more efficient at executing instructions per clock cycle than the older Nehalem design.

The multi-core results tell a similar, though slightly less dramatic, story. Across the Cinebench R15, R20, and R23 multi-core tests, the i7-2635QM consistently leads by a margin of 3.8%. This consistency across different versions of the same benchmark suite suggests a fundamental performance advantage rather than a workload-specific quirk. Since both processors have the same core and thread counts, this multi-core lead is entirely attributable to architectural efficiency and the higher effective throughput of the i7-2635QM’s design. The i7-960’s higher base and boost clocks (3.20 GHz and 3.47 GHz) are not enough to overcome this deficit.

Architecture Differences

The two processors are built on fundamentally different architectures and process nodes. The i7-2635QM is based on the Sandy Bridge architecture, manufactured on a 32 nm process node, while the i7-960 uses the older Nehalem architecture (codename Bloomfield) on a 45 nm node. This process shrink is significant: the Sandy Bridge chip packs 1,160 million transistors into a 216 mm² die, whereas the Nehalem chip has 731 million transistors on a larger 263 mm² die.

The cache configurations also differ notably. Both chips feature 64 KB of L1 cache and 256 KB of L2 cache per core. The difference lies in the L3 cache: the i7-2635QM has 6 MB of shared L3 cache, while the i7-960 offers a larger 8 MB of shared L3 cache. Despite this 2 MB deficit in cache capacity, the i7-2635QM still outperforms its rival, indicating that the Sandy Bridge memory hierarchy and prefetching algorithms are more effective despite having less total cache to work with.

The platform differences are stark. The i7-2635QM is a mobile processor with a 45 W TDP, designed for the Intel BGA 1224 socket and featuring integrated Intel HD 3000 graphics. The i7-960 is a desktop part with a 130 W TDP, using the Intel Socket 1366 and having no integrated graphics at all. The i7-960 supports triple-channel DDR3 memory, while the i7-2635QM uses dual-channel memory. The i7-960 also lists PCIe Gen 2 support, while the i7-2635QM does not list a PCIe specification in the data. These differences highlight that the i7-2635QM is a power-efficient, all-in-one solution for laptops, while the i7-960 is a high-power desktop component relying on discrete graphics and memory controllers on the motherboard.

Head-to-Head Benchmarks

The largest single victory for the i7-2635QM comes in the Cinebench R20 single-core test. Here, the i7-2635QM scores 177 points, which is 4.1% higher than the i7-960’s score of 170. This is a decisive result that highlights the architectural efficiency of Sandy Bridge. Even though the i7-960 runs at a significantly higher clock speed (3.20 GHz base, 3.47 GHz boost) compared to the i7-2635QM (2.00 GHz base, 2.90 GHz boost), the newer chip delivers more work per clock cycle, resulting in a win.

The multi-core benchmarks show a uniform 3.8% advantage for the i7-2635QM across three different versions of Cinebench. In Cinebench R15 multi-core, the i7-2635QM scores 301 against the i7-960’s 290. In Cinebench R20 multi-core, the scores are 1257 versus 1211. In Cinebench R23 multi-core, the scores are 2995 versus 2885. The consistency of this 3.8% delta across all three tests is remarkable and indicates a stable, repeatable performance edge. The i7-2635QM also has a single Geekbench multicore score of 1371 and a single-core score of 442, though no direct comparison data exists for the i7-960 on Geekbench.

The data does not include any benchmark where the i7-960 comes out ahead. The i7-960’s higher clock speeds and larger L3 cache do not translate into any recorded performance win. It is notably the i7-960’s average benchmark score is 993, while the i7-2635QM’s average is 995. This near-identical average score is slightly misleading, as the head-to-head data shows the i7-2635QM winning every direct comparison, and the average scores are pulled by different benchmark sets that are not directly comparable.

The Verdict

Based strictly on the benchmark data, the Intel Core i7-2635QM is the superior processor. It wins every head-to-head comparison, with a lead ranging from 3.7% in Cinebench R23 single-core to 4.1% in Cinebench R20 single-core. The multi-core performance is consistently 3.8% better across all three Cinebench versions. For any user whose workload is represented by the Cinebench suite—which is a proxy for 3D rendering and general multi-threaded compute—the i7-2635QM is the clear choice.

The i7-960’s only theoretical advantages are its higher clock speeds and larger 8 MB L3 cache, but these do not produce any performance wins in the recorded data. The i7-960 also has a much higher 130 W TDP, making it far less power-efficient than the i7-2635QM’s 45 W TDP. For a desktop user with a Socket 1366 motherboard, the i7-960 is a functional processor, but the data shows it is outclassed by the newer mobile chip in every measurable way.

The i7-2635QM should be chosen by anyone prioritizing performance per watt and a compact, integrated platform. Its 45 W TDP and integrated Intel HD 3000 graphics make it suitable for mobile systems where power draw and space are at a premium. The i7-960, with its triple-channel memory support and PCIe Gen 2, might appeal to someone building a legacy desktop workstation with existing Socket 1366 components, but the benchmark data offers no performance justification for choosing it over the i7-2635QM.

FAQ

Q: Which processor has a higher average benchmark score?

A: The Intel Core i7-2635QM has an average benchmark score of 995, while the Intel Core i7-960 has an average score of 993. The difference is 2 points, or approximately 0.2%.

Q: How much faster is the Intel Core i7-2635QM in multi-core Cinebench R23?

A: The i7-2635QM scores 2995 in Cinebench R23 multi-core, which is 3.8% higher than the i7-960’s score of 2885.

Q: Do both processors have the same number of cores and threads?

A: Yes, both the Intel Core i7-2635QM and the Intel Core i7-960 have 4 cores and 8 threads.

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

A: The Intel Core i7-2635QM has a TDP of 45 W, while the Intel Core i7-960 has a TDP of 130 W. The i7-2635QM draws significantly less power.

Q: Which processor has a larger L3 cache?

A: The Intel Core i7-960 has a larger L3 cache at 8 MB shared, while the Intel Core i7-2635QM has 6 MB shared. The i7-960 has 2 MB more L3 cache.

Q: Does the Intel Core i7-960 have integrated graphics?

A: No, the Intel Core i7-960 does not have integrated graphics. The Intel Core i7-2635QM includes Intel HD 3000 integrated graphics.

Specification Differences

| Specification | Intel Core i7-2635QM | Intel Core i7-960 |

|---|---|---|

| Base Clock | 2.00 GHz | 3.20 GHz |

| Boost Clock | 2.90 GHz | 3.47 GHz |

| TDP | 45 W | 130 W |

| Socket | Intel BGA 1224 | Intel Socket 1366 |

| Architecture | Sandy Bridge | Nehalem |

| Codename | Sandy Bridge | Bloomfield |

| Process Node | 32 nm | 45 nm |

| Transistors | 1,160 million | 731 million |

| Die Size | 216 mm² | 263 mm² |

| L3 Cache | 6 MB (shared) | 8 MB (shared) |

| Memory Bus | Dual-channel | Triple-channel |

| Memory Support | None listed | DDR3 |

| PCIe | None listed | Gen 2 |

| Integrated Graphics | Intel HD 3000 | None |

| Market Segment | Mobile | Desktop |

| Part Number | SR030 | SLBEU |

| Release Date | 2011-01-02 | 2009-10-19 |