AMD Ryzen 7 2700U vs Intel Core i7-2600K Comparison

Head-to-Head Benchmarks

The benchmark data presents a clear split between these two processors, with the AMD Ryzen 7 2700U winning four of the six recorded head-to-head tests, while the Intel Core i7-2600K takes the remaining two. The most dramatic result comes from the Cinebench R15 single-core test, where the Ryzen 7 2700U scores 143.5 points against the Core i7-2600K's 66 points, a 54% advantage. This is not a marginal difference; it reflects a fundamental gap in per-thread performance between the two architectures.

The Cinebench R23 single-core test reinforces this pattern, with the Ryzen 7 2700U scoring 886 to the Intel chip's 657, a 25.8% lead. Even in Geekbench single-core, the AMD part wins by 4.5%, scoring 804 versus 768. The consistency of these single-core results across different benchmark suites indicates that the Ryzen 7 2700U has a decisive advantage in lightly threaded workloads.

However, the Intel Core i7-2600K scores a significant win in the Cinebench R23 multi-core test. Its result of 4657 points surpasses the Ryzen 7 2700U's 3603 points by 29.3%. This is the largest margin of victory for either processor in any test, and it shows that the older Intel design can still deliver substantial throughput in heavily threaded workloads. The Geekbench multi-core test also favors Intel, with the Core i7-2600K scoring 2613 against the Ryzen's 2411, an 8.4% advantage.

The Cinebench R15 multi-core test bucks the multi-core trend, with the Ryzen 7 2700U scoring 644 against Intel's 469, a 27.2% lead. This is notable because it contradicts the Cinebench R23 multi-core result. The discrepancy likely stems from differences in how the two benchmark versions scale with memory bandwidth, cache size, or other architectural factors. The data does not explain the cause, but it shows that benchmark selection matters heavily when evaluating these two CPUs.

When looking at the aggregate benchmark scores, the two processors are nearly even. The Intel Core i7-2600K has an average benchmark score of 1433, while the AMD Ryzen 7 2700U averages 1415. Both sit at the 37th percentile among all CPUs in the database. The Intel chip's nearest rivals include the Intel Core i7-4712HQ with a delta of -0.2% and the AMD Ryzen 5 2400G with a delta of -0.4%. The Ryzen 7 2700U's nearest rivals include the AMD Ryzen Embedded R2314 and the Intel Core i5-4460, both with a delta of 0%. This proximity to their respective rivals reinforces the conclusion that, on average, these two processors occupy the same performance tier, even though their individual test results diverge sharply.

Architecture Differences

The architectural gap between these two processors is wide, spanning nearly a decade of design philosophy. The Intel Core i7-2600K is built on the Sandy Bridge architecture using a 32 nm process node, manufactured by Intel. It contains 1,160 million transistors on a 216 mm² die. In contrast, the AMD Ryzen 7 2700U uses the Zen architecture with a 14 nm process node from GlobalFoundries, packing 4,950 million transistors on a 210 mm² die. The transistor density difference is enormous, and it directly enables the Ryzen's superior single-core performance.

The cache configurations tell a similar story. The Intel chip has 64 KB of L1 cache per core and 256 KB of L2 cache per core, with 8 MB of shared L3 cache. The AMD part has 96 KB of L1 cache per core and 512 KB of L2 cache per core, but only 4 MB of shared L3 cache. The Ryzen's larger per-core L1 and L2 caches contribute to its single-core wins, while the Intel chip's larger L3 cache helps in certain multi-core scenarios.

Memory support also differs significantly. The Intel Core i7-2600K supports DDR3 memory with a dual-channel bus and a peak bandwidth of 25.6 GB/s. The AMD Ryzen 7 2700U supports DDR4 with a dual-channel bus and 38.4 GB/s of bandwidth. The Ryzen's higher memory bandwidth is a 50% improvement over Intel, which likely explains some of its wins in memory-sensitive workloads.

The integrated graphics are another major differentiator. The Intel chip pairs with Intel HD 3000, an early integrated graphics solution, while the AMD part features Radeon RX Vega 10. The database does not provide graphics benchmark scores, but the architectural differences are clear: the Vega 10 GPU is a far more capable integrated solution.

The two processors also target different physical platforms. The Intel Core i7-2600K uses the Intel Socket 1155, while the Ryzen 7 2700U uses the AMD Socket FP5. The Intel chip supports PCIe Gen 2 with 16 lanes from the CPU, while the AMD part uses PCIe Gen 3 with 8 lanes. The Intel chip has an unlocked multiplier, enabling overclocking, while the Ryzen 7 2700U does not. The TDP figures are starkly different: 95 watts for the Intel desktop chip versus 15 watts for the AMD mobile chip. This 80-watt gap reflects the Intel part's desktop design versus the Ryzen's mobile focus.

Where Each One Wins

The AMD Ryzen 7 2700U wins decisively in single-threaded performance. Across Cinebench R15, Cinebench R23, and Geekbench, the Ryzen's single-core scores are consistently higher by margins ranging from 4.5% to 54%. This makes it the better choice for everyday responsive tasks that rely heavily on a single thread, such as web browsing, office applications, and legacy software that does not scale well across cores. The Ryzen's 143.5 point Cinebench R15 single-core score more than doubles the Intel's 66 points, and its 886 point R23 single-core result is 25.8% ahead. For users whose workloads are dominated by single-threaded performance, the Ryzen 7 2700U is the clear pick.

The Intel Core i7-2600K wins in certain multi-threaded scenarios. Its Cinebench R23 multi-core score of 4657 is 29.3% ahead of the Ryzen's 3603, and its Geekbench multi-core score of 2613 is 8.4% ahead. This suggests that for heavily threaded workloads that fit within the Intel chip's larger 8 MB L3 cache, the older design can still outperform the newer mobile chip. However, the Ryzen 7 2700U wins the Cinebench R15 multi-core test by 27.2%, so the Intel advantage is not universal across all multi-core benchmarks.

The Ryzen 7 2700U also wins in power efficiency, though the database does not provide direct efficiency metrics. Its 15 watt TDP versus the Intel's 95 watt TDP means it generates far less heat and requires less cooling, which is essential for mobile use. The Intel chip's 95 watt TDP and desktop socket reflect its design for stationary systems with robust cooling solutions.

The Verdict

The data supports a clear verdict: the AMD Ryzen 7 2700U is the better processor for most modern workloads, while the Intel Core i7-2600K retains a niche for specific multi-threaded tasks. The Ryzen wins four of the six head-to-head tests, including all three single-core benchmarks and one multi-core test. Its single-core dominance is overwhelming, with a 54% lead in Cinebench R15 and a 25.8% lead in Cinebench R23. These are not marginal differences; they represent a generational leap in per-thread efficiency.

However, the Intel Core i7-2600K is not obsolete. Its 29.3% win in Cinebench R23 multi-core and 8.4% win in Geekbench multi-core show that it can still deliver strong throughput in the right conditions. The Intel chip also has an unlocked multiplier, allowing overclocking that could close the single-core gap, though the database does not include overclocked results.

The Ryzen 7 2700U is the recommended choice for users who prioritize single-threaded performance and mobile usability. Its 15 watt TDP makes it suitable for laptops, and its superior single-core scores translate to snappier everyday performance. The Intel Core i7-2600K is the pick for users with heavily threaded workloads that match its Cinebench R23 profile and who can accommodate its 95 watt TDP in a desktop system.

FAQ

Q: Which processor has a higher single-core score in Cinebench R23?

A: The AMD Ryzen 7 2700U scores 886, which is 25.8% higher than the Intel Core i7-2600K's 657.

Q: What is the largest benchmark margin between the two CPUs?

A: The largest margin is in Cinebench R15 single-core, where the AMD Ryzen 7 2700U leads by 54%, scoring 143.5 versus 66.

Q: Does the Intel Core i7-2600K win any multi-core benchmark?

A: Yes, the Intel chip wins Cinebench R23 multi-core with 4657 points versus 3603 for the AMD, a 29.3% lead, and Geekbench multi-core with 2613 versus 2411, an 8.4% lead.

Q: What is the average benchmark score for each processor?

A: The Intel Core i7-2600K has an average benchmark score of 1433, while the AMD Ryzen 7 2700U averages 1415.

Q: Which processor has a lower TDP?

A: The AMD Ryzen 7 2700U has a TDP of 15 watts, while the Intel Core i7-2600K has a TDP of 95 watts.

Q: Which processor has an unlocked multiplier?

A: The Intel Core i7-2600K has an unlocked multiplier, while the AMD Ryzen 7 2700U does not.

Specification Differences

| Specification | Intel Core i7-2600K | AMD Ryzen 7 2700U |

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

| Series | None | 2000 series |

| Manufacturer | Intel | AMD |

| Base Clock | 3.40 GHz | 2.20 GHz |

| Boost Clock | 3.80 GHz | 3.80 GHz |

| TDP | 95 W | 15 W |

| Socket | Intel Socket 1155 | AMD Socket FP5 |

| Architecture | Sandy Bridge | Zen |

| Codename | Sandy Bridge | Raven Ridge |

| Generation | Core i7 (Sandy Bridge) | Ryzen 7 (Zen (Raven Ridge)) |

| Process Node | 32 nm | 14 nm |

| Foundry | Intel | GlobalFoundries |

| Transistors | 1,160 million | 4,950 million |

| Die Size | 216 mm² | 210 mm² |

| L1 Cache | 64 KB (per core) | 96 KB (per core) |

| L2 Cache | 256 KB (per core) | 512 KB (per core) |

| L3 Cache | 8 MB (shared) | 4 MB (shared) |

| Memory Support | DDR3 | DDR4 |

| Memory Bandwidth | 25.6 GB/s | 38.4 GB/s |

| PCIe | Gen 2, 16 Lanes (CPU only) | Gen 3, 8 Lanes (CPU only) |

| Integrated Graphics | Intel HD 3000 | Radeon RX Vega 10 |

| Market Segment | Desktop | Mobile |

| Production Status | End-of-life | Active |

| Launch Date | 2011-01-08 | 2017-10-25 |

| Launch MSRP | $317 | None |

| Multiplier Unlocked | True | False |

| Part Number | SR00C | YM2700C4T4MFB |