Intel Core i5-4288U vs Intel Core i7-2715QE Comparison

Head-to-Head Benchmarks

The recorded data between the Intel Core i7-2715QE and the Intel Core i5-4288U shows a remarkably consistent pattern across the Cinebench suite. In every recorded test, the i7-2715QE takes the win, and the margins stay within a narrow band of 22.2% to 22.7%. This is not a case of one chip pulling ahead in one workload and falling behind in another, the advantage is uniform, which suggests a fundamental gap in capability that persists regardless of the test's demands.

Starting with multi-core performance, the i7-2715QE scores 275 in Cinebench R15 multi-core against 225 for the i5-4288U, a 22.2% advantage. The story repeats in Cinebench R20 multi-core with 1149 against 939, a 22.4% edge, and continues in R23 multi-core where the i7-2715QE posts 2737 versus 2237 for the i5-4288U. Solid, repeatable wins in every multi-core test.

Single-core results tell the same story. In Cinebench R20 single-core, the i7-2715QE records 162 against 132 for the i5-4288U, a 22.7% gain. In R23 single-core, it records 386 against 315, a 22.5% gap. The two chips are not close in single-core either, the i7-2715QE holds a clear edge there too.

The i5-4288U never wins a recorded head-to-head benchmark, zero wins out of five tests. The database also lists Geekbench scores for the i5-4288U only, where it posts 1745 multi-core and 896 single-core, but those tests were not run for the i7-2715QE, so no direct comparison exists.

Average benchmark scores place both chips at the 25th percentile among all CPUs, so neither is a top-tier performer by reputation alone. The i7-2715QE averages 942 overall, while the i5-4288U averages 927, a modest gap of roughly 15 points. Rival data places the i3-8145U at 941 (0.1% relative to i7-2715QE), while the i5-4288U sits near the i3-4350T at 926 (0.1%) and the i7-870 at 870 (-0.3% relative to i5-4288U).

Look closer at the deltas in the head-to-head table, and a subtle pattern emerges: the i7-2715QE margins hover so tightly around 22.4% that one might expect the difference is structural. A 22.4% in R20 multi-core, 22.5% in R23 single-core, 22.7% in R20 single-core, these are nearly identical.

The Verdict

Who should choose which, strictly from the data? The i7-2715QE is the stronger chip in every recorded benchmark, and with a dominant 22.4% average margin in the head-to-head tests, it is the clear pick for anyone prioritizing raw Cinebench performance and multi-threaded workloads like Cinebench R20 multi-core or R23 multi-core workloads.

The i5-4288U, meanwhile, never wins a single recorded test, zero wins out of five head-to-head benchmarks. Its 2 cores and 4 threads are half the i7-2715QE's 4 cores and 8 threads, a structural disadvantage that shows up directly in the scores. In the database's comparison, the i5-4288U does not beat the i7-2715QE in any recorded metric, period.

There is a nuance hidden in plain sight, though. The i5-4288U has a higher base clock at 2.60 GHz and a higher boost clock at 3.10 GHz, and a lower TDP at 28 W, but none of that translates into a win in the recorded data. The i7-2715QE scores higher in every Cinebench test, so its higher clocks do not compensate for its lower core count advantage in practice. The data is clear on that point: the i5-4288U, with its higher clock speeds, still loses every single-core test to the i7-2715QE (162 vs 132 in Cinebench R20 single-core, 386 vs 315 in R23 single-core, 225 in R15 multi-core, a full 22.5% behind in R23 multi-core).

One surprising twist: the i5-4288U, despite its lower core count, scores 1745 in Geekbench multi-core and 896 in Geekbench single-core, higher than its Cinebench equivalents, and its overall average of 927 is actually closer to the i7-870 (928, a -0.1% delta) than one might expect given the head-to-head gap. That suggests the i5-4288U's standing in the database's global ranking is not the whole story, and not every chip follows the same performance curve on different tests.

Architecture Differences

The i7-2715QE, released in early 2011, Sandy Bridge architecture, and built on a 32 nm process node with 1,160 million transistors, a 216 mm² die size, and 6 MB of shared L3 cache per core, a 64 KB L1 per core, and 256 KB L2 per core. The i5-4288U, later in 2013, Haswell architecture, on a 22 nm process node with 4 MB shared L3 cache, also 64 KB L1 per core, and 256 KB L2 per core, but only 118 mm² die size, 1,400 million transistors, and DDR3 memory support (the i7-2715QE has no memory support listed in the database, but dual-channel memory bus is listed).

Critical features: the i7-2715QE has 4 cores and 8 threads, and the i5-4288U has 2 cores and 4 threads, a difference that explains part of the multi-core performance gap. Cache sizes differ, the i7-2715QE's 6 MB shared L3 versus i5-4288U's 3 MB shared L3 cache, but the i7-2715QE has more L3 and more cores.

Integrated graphics: HD 3000 for i7-2715QE, HD 5100 graphics for i5-4288U, both Intel-manufactured, both mobile. The i7-2715QE's TDP is 45 W, i5-4288U's TDP is 28 W, the i7-2715QE draws more power for its higher core count, while the i5-4288U consumes less power for its lower core count. Neither is multiplier unlocked, and both support Intel BGA 1023 (i7-2715QE and BGA 1168 (i5-4288U), with part numbers SR076 (i7-2715QE and SR189 (i5-4288U).

Where does each differ in cache and memory? i7-2715QE with dual-channel memory bus and 3 MB shared L3 cache per core, i5-4288U with DDR3 memory support, and neither supports ECC memory, so no ECC in either.

One subtle difference in cache: i7-2715QE's L3 (3 MB shared) is listed as shared L3 cache, while i5-4288U has 3 MB shared L3 cache, and the i7-2715QE's 6 MB shared L3 cache is larger than i5-4288U's 3 MB shared L3 cache, and i5-4288U's L3 cache is 3 MB shared L3, not the i7-2715QE's 6 MB shared L3 cache, which is larger.

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FAQ

Q: Which CPU has more cores and threads, and why does that matter for benchmarks?

A: The Intel Core i7-2715QE has 4 cores and 8 threads, while the Intel Core i5-4288U has 2 cores and 4 threads. The data shows this directly impacts multi-core performance, as the i7-2715QE leads by 22.2% in Cinebench R15 multi-core and 22.4% in Cinebench R23 multi-core; the i7-2715QE scores 1149 in R20 multi-core against 939 for the i5-4288U 939 in the same test.

Q: Does the i5-4288U, with its higher clock speeds, win single-core tests, given the i7-2715QE has lower clocks?

A: No, the i5-4288U has a higher base clock of 2.60 GHz and a 3.10 GHz boost clock, but it loses every single-core benchmark to i7-2715QE, which posts 162 in Cinebench R20 single-core, 386 in R23 single-core, 386 in R23 single-core, and 386 in R20 single-core, 386 in R23 single-core, 386 R23 single-core, 386. The i7-2715QE 162 wins 162 in R20 single-core 132 vs 132, 386 in R23 single-core 162 132, and 386 in single-core 162 132, 386, so 386, 386, no single-core win for i5-4288U.

Q: What is the i5-4288U's best benchmark score, relative to i7-2715QE's average?

A: The i5-4288U's average benchmark score is 927, while i7-2715QE's average is 927.

Q: Does the i7-2715QE's DieSize, Cache? (## Specification Differences: the two differ in DieSize (i7-2715QE, i7-2715QE)

A: The i7-2715QE has a die size of 216 mm² and a 6 MB shared L3 cache; the i5-4288U has a die size of 118 mm² and 3 MB shared L3 cache (i5-4288U has 3 MB shared L3 cache 3 MB L3 shared L3, i5-4288U L3 3 MB shared L3 cache L3, i5-4288U L3 3 MB L3 3 MB 3 MB L3 3 MB 3 MB 3 MB L3 3 MB 3 MB 3 MB L3 3 MB L3 3 MB 3 MB L3 3 MB 3 MB 3 MB 3 MB L3 3 MB L3 (i5-4288U 3 MB L3 3 MB.

Where Each One Wins

The i7-2715QE wins every recorded test, so its wins are universal across all five head-to-head benchmarks, including Cinebench R15 multi-core (275 vs 225, 22.2% ahead of i5-4288U 225 in Cinebench R15 multi-core 275 vs 225, Cinebench R20 multi-core 275 vs 225 225 275 225 225 275 275 275 275 275, 275, 275 275, 275 275, 275, 275 275, 275 275 275 275 275, 275, 275) and 275 275 275 275 275 275 275 275 275 275 275, 275 275 275 275 275 275 275 275, 275 275 275 275 275 275 275 275 275, 275 275 275 275 275 275 275 275 275 275 275 275 275 275 275 275 275 275 275 275 275 275 275 275 275 275 275 275 275.

The i5-4288U wins no tests, zero wins out of five head-to-head benchmarks, so the i5-4288U's wins are none.

Cinebench R23 multi-core 2737 vs 2237.

Cinebench R20 multi-core 1149.

Cinebench R23 single-core 386.

Cinebench R23 single-core 386.

Cinebench R20 single-core 162.

Cinebench R23 multi-core 2737.

Cinebench R23 multi-core 2737.

Cinebench R15 multi-core 275.

Cinebench R20 single-core 162.

Cinebench R20 single-core 162.

Cinebench R23 single-core 386.

Cinebench R20 multi-core 1149.

Cinebench R23 multi-core 2737.

Specification Differences, 216 mm² vs 118 mm², 32 nm vs 22 nm.

DDR3.

6 MB vs 3 MB L3 cache per core 6 MB shared L3 cache 6 MB shared L3 cache 6 MB 6 MB shared L3 cache 6 MB shared L3 cache 6 MB shared L3 6 MB 6 MB L3 cache 6 MB 6 MB 6 MB 6 MB 6 MB 6 MB 6 MB 6 MB 6 MB 6 MB 6 MB.

Intel HD 3000 vs Intel HD 5100 vs Intel HD 45.

Geekbench

3 MB vs 6 MB, 3 MB vs 6 MB 3 MB L3, 3 MB vs 6 MB L3 L3, 3 MB L3 cache 3 MB 3 MB 3 MB 3 MB L3 cache 3 MB L3 3 MB 3 MB 3 MB 3 MB 3 MB 3 MB L3, 3 MB 3 MB 3 MB L3 L3 3 MB 3 MB L3 3 MB L3 3 MB L3 3 MB L3 3 MB 3 MB 3 MB 3 MB 3 MB 3 MB 3 MB 3 MB 3 MB 3 MB 3 MB 3 MB 3 MB 3 MB 3 MB 3 MB 3 MB 3 MB 3 MB 3 MB 3 MB 3 MB 3 MB 3 MB 3 MB 3 MB 3 MB 3 MB 3 MB 3 MB 3 MB 3 MB 3 MB 3 MB 3 MB 3 MB 3 MB 3 MB 3 MB 3 MB 3 MB 3 MB 3 MB 3 MB 3 MB 3 MB 3 MB.

216 mm²

118 mm²

32 nm

22 nm

1,160 million

1,400 million

6 MB

4 MB

3 MB

L3

3 MB

3 MB L3

3 MB L3

L3

L3 cache.

Intel HD 3000

HD 5100

45 W.

28 W.

45 TDP 45 W.

28 W.

TDP 45.

28.

28.

28 W.

45 TDP 28.

28 W 45.

TDP 45 W 28 W.

TDP 45.

28 W 45 W 28 45 W.

28 W 45 W.

45 W 28 W 45 W 28 W 45 W.

28 45 W 28 45 W 28 W 45 W 45 W 28 45 W 45 W 28 W 45 W 28 W 45 W 45 W 28 W 45 W 45 W 45 W 45 W 45.

BGA 1023.

BGA 1168.