Intel Core i7-10870H vs Intel Core i7-5960X Comparison

The Intel Core i7-10870H and Intel Core i7-5960X present a fascinating generational clash, pitting a modern 14nm mobile processor against a 22nm desktop extreme-edition part from six years prior. Both chips share an 8-core, 16-thread configuration, but the benchmark data reveals a clear and consistent victor across every single test. The i7-10870H dominates the head-to-head comparisons, securing all 8 wins with margins ranging from a narrow 2.4% to a commanding 42.9%. The data indicates that architectural advancements and clock speed advantages have allowed a mobile chip to decisively outperform a once-flagship desktop processor.

Head-to-Head Benchmarks

The most striking result in the comparison is the Geekbench single-core test, where the Intel Core i7-10870H scores 1443 against the i7-5960X's 1010. This represents a massive 42.9% delta, underscoring the immense generational leap in per-core performance. The i7-10870H's 5.00 GHz boost clock, compared to the i7-5960X's 3.50 GHz, is a primary driver of this advantage, allowing it to finish single-threaded tasks substantially faster.

The multi-core Geekbench result, while less extreme, still shows a significant gap. The i7-10870H posts a score of 7357, which is 13.9% higher than the i7-5960X's 6461. This indicates that even when all cores are engaged, the newer architecture's efficiency and higher sustained clocks provide a tangible benefit. While both processors have the same core and thread count, the i7-10870H is able to extract more aggregate throughput, likely due to superior instruction handling and a more efficient memory subsystem.

In the Cinebench suite, the pattern is consistent, though the margins are much tighter. Across all three versions (R15, R20, and R23), the i7-10870H wins both the single-core and multi-core tests by a nearly uniform 2.5%. For instance, in Cinebench R23 multi-core, the i7-10870H scores 11852 versus 11565 for the i7-5960X. The single-core R23 test shows a score of 1673 against 1632. These results confirm that the i7-10870H holds a steady, if modest, performance lead in heavily threaded rendering workloads, a contrast to the larger advantage seen in the Geekbench single-core test.

The absolute benchmark scores place both processors in the 54th percentile of all CPUs, suggesting they are closely matched in overall performance when averaged across all tests. The average benchmark score for the i7-10870H is 3446, while the i7-5960X trails slightly at 3442. This near-tie in the aggregate is reflected in the nearestRivals data, where the two chips are listed as rivals with a deltaPct of 0.1% in favor of the i7-10870H. The individual benchmark wins, however, tell a story of a clear, if not overwhelming, superiority for the newer mobile chip.

Where Each One Wins

The Intel Core i7-10870H wins in every category represented in the benchmark data. Its most decisive victories come in single-threaded tasks, as evidenced by the 42.9% lead in Geekbench single-core. This translates to a clear advantage in everyday responsiveness, application launches, and lightly-threaded workloads like web browsing or office productivity. The 2.5% lead in Cinebench single-core tests across all versions reinforces this strength, suggesting the i7-10870H is the better choice for tasks that rely on high clock speeds and modern IPC.

For multi-threaded workloads, the i7-10870H also emerges as the winner, though the margin is smaller. The 13.9% lead in Geekbench multi-core suggests a more efficient implementation of the 8-core/16-thread design. In Cinebench multi-core tests, the i7-10870H's 2.5% lead indicates it is marginally better for 3D rendering and video encoding. The i7-5960X, despite its higher base clock of 3.00 GHz, cannot overcome the i7-10870H's turbo advantage and architectural improvements.

The data shows no scenario where the i7-5960X comes out ahead. Its higher 140W TDP and desktop-oriented design do not translate into a performance win in any of the tested benchmarks. The i7-10870H, despite being a mobile part with a 45W TDP, is the superior performer across the board. Its wins in both single and multi-threaded tests make it the more versatile and capable processor for nearly all use cases, from gaming and general use to content creation and rendering.

Architecture Differences

The two processors represent fundamentally different eras of Intel design. The i7-10870H is built on the 14 nm Comet Lake architecture (codename Comet Lake-H), while the i7-5960X uses the 22 nm Haswell architecture (codename Haswell-E). This process node difference is a key factor, allowing the newer chip to achieve higher clock speeds while consuming significantly less power. The i7-10870H has a base clock of 2.20 GHz and a boost clock of 5.00 GHz, whereas the i7-5960X operates at a base of 3.00 GHz and a boost of 3.50 GHz.

Cache configurations also differ, with the i7-5960X featuring a larger shared L3 cache of 20 MB compared to the i7-10870H's 16 MB. Both chips have the same 64 KB L1 and 256 KB L2 cache per core. The larger L3 cache on the older chip does not compensate for its architectural disadvantages, as the benchmark results show. The i7-5960X is a much larger die, measuring 356 mm² with 2,600 million transistors, while the i7-10870H's die size and transistor count are not specified in the data.

Memory support is another area of divergence. The i7-5960X supports quad-channel DDR4 memory with a bandwidth of 68.3 GB/s, a feature of its high-end desktop platform. The i7-10870H supports DDR4 but its memory bus width and bandwidth are not listed. The i7-5960X also offers 40 PCIe Gen 3 lanes (CPU only), compared to 16 on the i7-10870H, reflecting its positioning as an extreme-edition desktop platform for multi-GPU setups. The i7-10870H includes integrated UHD Graphics, whereas the i7-5960X has no integrated graphics. Additionally, the i7-5960X has an unlocked multiplier, while the i7-10870H is locked.

FAQ

Q: Which processor is faster in single-core performance?

A: The Intel Core i7-10870H is significantly faster in single-core tasks. In the Geekbench single-core test, it scores 1443 compared to the i7-5960X's 1010, a 42.9% advantage. It also leads in Cinebench R23 single-core with a score of 1673 versus 1632.

Q: How do the two chips compare in multi-threaded rendering workloads?

A: The i7-10870H holds a consistent, albeit modest, lead. In Cinebench R23 multi-core, it scores 11852 against the i7-5960X's 11565, a 2.5% margin. The same 2.5% delta is seen in Cinebench R15 and R20 multi-core tests.

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

A: Yes, both the Intel Core i7-10870H and the Intel Core i7-5960X feature 8 cores and 16 threads. This equal core count makes the performance differences purely attributable to architecture, clock speed, and cache.

Q: What is the biggest performance gap between the two in any test?

A: The largest gap is in the Geekbench single-core test, where the i7-10870H is 42.9% faster than the i7-5960X. This is a stark illustration of the generational improvement in per-core performance.

Q: Which processor has a higher boost clock?

A: The Intel Core i7-10870H has a significantly higher boost clock of 5.00 GHz, compared to the 3.50 GHz boost clock of the Intel Core i7-5960X. This contributes heavily to its single-core performance advantage.

Q: Is the i7-5960X able to win any benchmark?

A: No. Based on the benchmark data, the i7-10870H wins all 8 head-to-head comparisons. The i7-5960X does not secure a single victory in the tested workloads.

Specification Differences

The following specifications differ between the two processors:

• Series: The i7-10870H is from the "Core 10th Gen" series, while the i7-5960X has no listed series.
• Base Clock: The i7-10870H has a base clock of 2.20 GHz, while the i7-5960X has a base clock of 3.00 GHz.
• Boost Clock: The i7-10870H boosts to 5.00 GHz, while the i7-5960X boosts to 3.50 GHz.
• TDP: The i7-10870H has a TDP of 45W, while the i7-5960X has a TDP of 140W.
• Socket: The i7-10870H uses Intel BGA 1440, while the i7-5960X uses Intel Socket 2011-3.
• Architecture: The i7-10870H uses Comet Lake (Comet Lake-H), while the i7-5960X uses Haswell (Haswell-E).
• Process Node: The i7-10870H is on a 14 nm node, while the i7-5960X is on a 22 nm node.
• Transistors: The i7-5960X has 2,600 million transistors; this data is not available for the i7-10870H.
• Die Size: The i7-5960X has a die size of 356 mm²; this data is not available for the i7-10870H.
• L3 Cache: The i7-10870H has 16 MB shared L3 cache, while the i7-5960X has 20 MB shared L3 cache.
• Memory Bus: The i7-5960X supports quad-channel memory; the i7-10870H's memory bus is not specified.
• Memory Bandwidth: The i7-5960X has a memory bandwidth of 68.3 GB/s; this is not specified for the i7-10870H.
• PCIe: The i7-10870H supports Gen 3 with 16 lanes, while the i7-5960X supports Gen 3 with 40 lanes.
• Integrated Graphics: The i7-10870H includes UHD Graphics, while the i7-5960X has none.
• Market Segment: The i7-10870H is a mobile part, while the i7-5960X is a desktop part.
• Production Status: The i7-10870H is active, while the i7-5960X is end-of-life.
• Release Date: The i7-10870H was released in 2020-09-16, while the i7-5960X was released in 2014-08-31.
• Multiplier Unlocked: The i7-5960X has an unlocked multiplier, while the i7-10870H does not.
• Part Number: The i7-10870H is SRK3Y, and the i7-5960X is SR20Q.