Intel Core i5-2500 vs Intel Core i7-3632QM Comparison

The benchmark data is unambiguous: the Intel Core i7-3632QM is the faster processor in almost every measurable workload, taking 6 of 7 head-to-head comparisons. The Intel Core i5-2500 manages only a single victory, in Geekbench single-core, but that win is narrow and does not offset the i7’s consistent multi-threaded dominance. The average benchmark scores are nearly identical — 1220 for the i5-2500 versus 1219 for the i7-3632QM — but that aggregate hides a clear performance distribution: the i7 wins by roughly 13-14% in Cinebench tests and 12% in Geekbench multi-core, while the i5’s single-core edge is just over 9%.

Head-to-Head Benchmarks

The i7-3632QM’s strongest showing comes in Cinebench R23 multi-core, where it scores 4033 against the i5-2500’s 3479, a 13.7% advantage. That pattern repeats across the entire Cinebench suite. In Cinebench R20 multi-core, the i7 leads 1693 to 1461, a 13.7% gap. In Cinebench R15 multi-core, the i7 posts 406 versus the i5’s 350, a 13.8% margin. The consistency of these results across three different Cinebench versions — all within a 0.1 percentage point range — indicates the i7’s advantage is structural rather than test-specific. The i7 also wins Cinebench R20 single-core with 238 points against 206 for the i5, a 13.4% lead, and Cinebench R23 single-core with 569 versus 491, another 13.7% gap.

Geekbench tells a slightly different story. The i7-3632QM wins the multi-core test decisively, scoring 2142 against the i5-2500’s 1883, a 12.1% margin. However, the i5-2500 takes the Geekbench single-core test with 670 points versus the i7’s 613, a 9.3% advantage for the older desktop chip. This single-core win is notable because it is the only benchmark where the i5 comes out ahead, and it suggests that the i5’s higher base clock of 3.30 GHz and boost clock of 3.70 GHz can overcome architectural disadvantages in lightly threaded workloads. The i7-3632QM, by contrast, has a base clock of 2.20 GHz and a boost clock of 3.20 GHz, but compensates with 8 threads versus the i5’s 4.

The overall win count — 6 for the i7, 1 for the i5 — reflects the i7’s superiority in multi-threaded scenarios. The i7’s 8 threads allow it to scale better across all Cinebench multi-core tests, where the difference between 4 and 8 threads becomes critical. The i5’s single Geekbench victory is real but isolated; it does not appear in any of the Cinebench single-core tests, where the i7 wins by similar margins to its multi-core results. This suggests the i5’s clock speed advantage is not sufficient to overcome the i7’s newer Ivy Bridge architecture in Cinebench’s single-threaded workload, but is enough to edge out a win in Geekbench’s single-core test.

The Verdict

The data supports a clear conclusion: the Intel Core i7-3632QM is the better processor for anyone prioritizing overall performance. It wins every Cinebench test — multi-core and single-core alike — by approximately 13-14%, and it wins Geekbench multi-core by 12.1%. The i5-2500’s only claim to superiority is its 9.3% Geekbench single-core win, which is a narrow margin compared to the i7’s consistent double-digit leads elsewhere. For users running multi-threaded applications, video encoding, 3D rendering, or any workload that uses more than 4 threads, the i7-3632QM is the clear choice. The i5-2500 might be preferable for a very specific workload that is heavily dependent on Geekbench single-core performance, but that is a narrow use case. The i7 also comes with a significantly lower TDP of 35 watts versus the i5’s 95 watts, making it more power-efficient despite delivering higher performance. The i5-2500’s only real advantage is its 9.3% Geekbench single-core win, which is a narrow margin compared to the i7’s consistent double-digit leads elsewhere. The i7-3632QM is the processor to pick for nearly all scenarios, with the i5-2500 reserved for edge cases where Geekbench single-core performance is the sole criterion.

FAQ

Q: Which processor has the higher average benchmark score?

A: The Intel Core i5-2500 has an average benchmark score of 1220, while the Intel Core i7-3632QM has an average score of 1219. The difference is 0.1%, making them statistically equivalent in aggregate.

Q: How much faster is the i7-3632QM in Cinebench R23 multi-core?

A: The i7-3632QM scores 4033 in Cinebench R23 multi-core, while the i5-2500 scores 3479. This gives the i7 a 13.7% advantage in that test.

Q: In which benchmark does the i5-2500 outperform the i7-3632QM?

A: The i5-2500 wins only in Geekbench single-core, where it scores 670 versus the i7’s 613, a 9.3% margin for the i5.

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

A: Yes, both have 4 cores. However, the i7-3632QM has 8 threads, while the i5-2500 has 4 threads, giving the i7 a significant multi-threading advantage.

Q: What are the TDP differences between the two chips?

A: The i5-2500 has a TDP of 95 watts, while the i7-3632QM has a TDP of 35 watts. The i7 consumes less power while delivering higher performance across most benchmarks.

Q: How do the two processors compare in Geekbench multi-core?

A: The i7-3632QM scores 2142 in Geekbench multi-core, versus 1883 for the i5-2500, a 12.1% lead for the i7.

Specification Differences

The two processors differ on several key specifications. The i5-2500 has a base clock of 3.30 GHz and a boost clock of 3.70 GHz, while the i7-3632QM has a base clock of 2.20 GHz and a boost clock of 3.20 GHz. The i5-2500 has a TDP of 95 watts, while the i7-3632QM has a TDP of 35 watts. The socket types differ: the i5-2500 uses Intel Socket 1155, while the i7-3632QM uses Intel Socket G2 (988B). The i5-2500 supports DDR3 memory, while the i7-3632QM’s memory support is not specified in the data. Both use dual-channel memory buses. The i5-2500 has PCIe Gen 3 with 16 lanes (CPU only), while the i7-3632QM’s PCIe configuration is not listed. The integrated graphics differ: the i5-2500 has Intel HD 2000, while the i7-3632QM has Intel HD 4000. The i5-2500 is a desktop part, while the i7-3632QM is a mobile part. The i5-2500’s production status is end-of-life, while the i7-3632QM’s is not specified. Neither processor has an unlocked multiplier, and both have a release date: the i5-2500 on 2011-01-08 and the i7-3632QM on 2012-10-18.

Architecture Differences

The architectural divide between these two chips is significant. The i5-2500 is built on Sandy Bridge architecture using a 32 nm process node, while the i7-3632QM uses Ivy Bridge architecture on a 22 nm process node. The transistor counts reflect the process shrink: the i5-2500 packs 1,160 million transistors on a 216 mm² die, while the i7-3632QM fits 1,480 million transistors on a smaller 160 mm² die. Both have the same L1 cache of 64 KB per core and L2 cache of 256 KB per core, and both share 6 MB of L3 cache. The i7-3632QM’s Ivy Bridge architecture supports 8 threads through Hyper-Threading, whereas the i5-2500’s Sandy Bridge design has only 4 threads for its 4 cores. The i7’s integrated graphics are more advanced — Intel HD 4000 versus Intel HD 2000 on the i5. The foundry for both is Intel, but the newer 22 nm node of the i7-3632QM contributes to its lower 35-watt TDP despite carrying more transistors.

Where Each One Wins

The i7-3632QM wins in every multi-threaded workload represented in the benchmark data. It leads by 13.8% in Cinebench R15 multi-core, 13.7% in Cinebench R20 multi-core, and 13.7% in Cinebench R23 multi-core. It also wins in Geekbench multi-core by 12.1%. For users running video encoding, 3D rendering, software compilation, or any other task that can utilize more than 4 threads, the i7-3632QM is the superior choice. The 8 threads versus 4 threads is the decisive factor, allowing the i7 to extract more parallelism from multi-threaded applications. The i7 also wins every single-core Cinebench test — R20 by 13.4% and R23 by 13.7% — which means even in lightly threaded Cinebench workloads, the i7’s newer architecture overcomes its lower clock speeds.

The i5-2500 wins only one benchmark: Geekbench single-core, with a 9.3% advantage over the i7. This makes it the better choice for a very narrow set of applications that are heavily dependent on that specific Geekbench test. The i5’s higher base and boost clocks — 3.30 GHz and 3.70 GHz versus 2.20 GHz and 3.20 GHz — give it an edge in that single test. However, this advantage does not extend to Cinebench single-core tests, where the i7 wins by roughly 13.5%. The i5-2500’s 95-watt TDP also makes it more power-hungry, so it is not the better choice for power-sensitive scenarios. In practical terms, the i5-2500’s only real use case is a system where Geekbench single-core performance is the primary metric and multi-threaded performance is irrelevant — a rare requirement. For everything else, the i7-3632QM is the clear winner in 6 of 7 benchmarks.