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

The Intel Core i7-2700K and AMD Ryzen 7 2700U represent two radically different design philosophies separated by six years of silicon evolution. One is a legendary unlocked desktop part from the Sandy Bridge era, while the other is a power-sipping mobile processor built on the Zen architecture. Their average benchmark scores are nearly identical — 1419 for the Intel and 1415 for the AMD — placing both at the 37th percentile among all CPUs, yet their underlying characteristics and per-test results tell a more complex story of generational trade-offs.

FAQ

Q: Which processor has the higher average benchmark score?

A: The Intel Core i7-2700K edges out the AMD Ryzen 7 2700U with an average benchmark score of 1419 versus 1415, a difference of just 4 points. This places the Intel part in a dead heat with its nearest rivals, including the AMD Opteron 4274 HE (1420, 0% delta) and Intel Core i7-3720QM (1421, -0.1% delta).

Q: How significant is the single-core performance gap between the two?

A: The AMD Ryzen 7 2700U dominates single-core workloads with decisive margins. In Cinebench R23 single-core, the AMD scores 886 against the Intel's 682, a 23% advantage. The gap widens further in Cinebench R15 single-core, where AMD's 143.5 score represents a 52.6% lead over Intel's 68.

Q: Does the older Intel processor win any benchmark categories?

A: Yes, the Intel Core i7-2700K wins the Cinebench R23 multicore test with a score of 4833 against AMD's 3603, a 34.1% advantage. This is the only head-to-head test where Intel emerges victorious out of six total comparisons.

Q: What do the Geekbench results indicate about overall system performance?

A: The AMD Ryzen 7 2700U holds a modest but consistent lead in Geekbench testing. In multicore, AMD scores 2411 versus Intel's 2294, a 4.9% difference, while in single-core, AMD's 804 beats Intel's 672 by 16.4%. These results suggest a general performance advantage for AMD outside of the specific Cinebench R23 workload.

Q: How do the power envelopes compare between these two processors?

A: The AMD Ryzen 7 2700U is rated at a 15 W TDP, while the Intel Core i7-2700K carries a 95 W TDP. This represents a substantial difference in thermal and power requirements, with the mobile AMD part designed for efficiency while the desktop Intel chip prioritizes raw throughput.

Q: Are there any architectural similarities between the two chips?

A: Both processors feature 4 cores and 8 threads, and both have their L3 cache divided in a shared configuration. However, the AMD uses a 4 MB shared L3 cache while the Intel has 8 MB shared, and their underlying architectures are entirely different — Sandy Bridge for Intel and Zen (Raven Ridge) for AMD.

Architecture Differences

The architectural gulf between these two processors is vast, reflecting their different origins and purposes. The Intel Core i7-2700K is built on the Sandy Bridge architecture using a 32 nm process at Intel's own foundry, packing 1,160 million transistors into a 216 mm² die. The AMD Ryzen 7 2700U, by contrast, employs the Zen architecture on a 14 nm process fabricated by GlobalFoundries, with 4,950 million transistors on a 210 mm² die. This means AMD crams over four times as many transistors into a slightly smaller physical space.

Cache hierarchies diverge significantly. The Intel processor allocates 64 KB of L1 cache per core and 256 KB of L2 per core, while the AMD chip provides 96 KB of L1 and 512 KB of L2 per core. The L3 cache tells a different story: Intel offers 8 MB shared, while AMD provides only 4 MB shared. This could influence how well each chip handles working sets that exceed the faster cache levels.

Memory support also reflects their respective eras. The Intel part uses DDR3 memory with dual-channel support and a theoretical bandwidth of 21.3 GB/s, while the AMD processor supports DDR4 with dual-channel configuration and 38.4 GB/s bandwidth. The newer memory standard nearly doubles available bandwidth, which can matter for memory-intensive applications.

PCIe capabilities differ as well. Intel provides Gen 2 with 16 CPU lanes, while AMD delivers Gen 3 with 8 CPU lanes. The newer PCIe generation offers higher per-lane bandwidth, but the Intel part has twice as many lanes available. Integrated graphics also separate them: Intel ships the HD 3000, while AMD includes the Radeon RX Vega 10, reflecting AMD's stronger focus on iGPU performance in this mobile part.

Head-to-Head Benchmarks

The six head-to-head benchmark comparisons reveal a split personality between these two CPUs. The AMD Ryzen 7 2700U wins five of the six tests, but the Intel Core i7-2700K claims the single most dramatic victory. In Cinebench R23 multicore, Intel scores 4833 against AMD's 3603, a 34.1% advantage that represents the largest performance gap in either direction. This result suggests that the older Intel chip can still marshal its resources effectively in specific rendering workloads.

The AMD part's wins are spread across both older and newer benchmarks. In Cinebench R15 multicore, AMD scores 644 versus Intel's 486, a 24.5% lead. The single-core R15 test shows AMD's dominance most starkly: 143.5 versus 68, a 52.6% margin that nearly doubles Intel's output. This massive single-core advantage carries into Cinebench R23 single-core, where AMD's 886 beats Intel's 682 by 23%.

Geekbench results follow a similar pattern but with smaller margins. AMD wins multicore with 2411 against Intel's 2294, a 4.9% difference, and single-core with 804 versus 672, a 16.4% advantage. The consistent single-core superiority across all test versions indicates a fundamental architectural advantage for the Zen design in latency-sensitive workloads.

Specification Differences

The two processors differ across nearly every specification category. The Intel Core i7-2700K uses the LGA 1155 socket and targets the desktop market, while the AMD Ryzen 7 2700U uses the FP5 socket for mobile applications. Intel's base clock runs at 3.50 GHz with a boost of 3.90 GHz, while AMD operates at a lower 2.20 GHz base and 3.80 GHz boost. The TDP difference is dramatic: 95 W for Intel versus 15 W for AMD.

Production status separates them as well. Intel's part is end-of-life with a release date of October 2011, while AMD's chip remains active with an October 2017 release. The Intel processor has an unlocked multiplier and a launch MSRP of $332, whereas the AMD chip's multiplier is locked and no launch MSRP is listed. Process nodes differ at 32 nm versus 14 nm, and the transistor counts and die sizes reflect these manufacturing differences.

Memory specifications diverge by generation: DDR3 versus DDR4 support, with bandwidth of 21.3 GB/s versus 38.4 GB/s. PCIe capabilities differ in both generation (Gen 2 versus Gen 3) and lane count (16 versus 8). Neither processor supports ECC memory. The integrated graphics differ completely, from Intel HD 3000 to Radeon RX Vega 10, and the part numbers are distinct as well.

The Verdict

The benchmark data presents a nuanced picture that defies simple categorization. The AMD Ryzen 7 2700U wins five of six head-to-head comparisons, including every single-core test and both Geekbench tests, while consuming just 15 W of power. Its single-core performance is particularly impressive, with a 52.6% lead in Cinebench R15 and a 23% lead in R23. If the decision hinges on efficiency and broad workload coverage, the AMD part is the clear choice.

However, the Intel Core i7-2700K's victory in Cinebench R23 multicore cannot be overlooked. A 34.1% advantage in that specific rendering workload shows that the older architecture retains significant multicore muscle in certain scenarios. For users whose primary application resembles the R23 workload, the Intel chip might still deliver superior throughput despite its age and higher power draw.

The near-identical average benchmark scores — 1419 versus 1415 — reinforce that these chips perform at the same tier overall, but their strengths are distributed differently. The AMD wins on efficiency, single-core speed, and memory bandwidth, while the Intel wins on specific multicore rendering and offers an unlocked multiplier for enthusiasts. The data suggests the AMD processor is the better all-rounder, but the Intel chip has a narrower, specialized appeal.

Where Each One Wins

The AMD Ryzen 7 2700U is the winner for any workload that prioritizes single-thread performance. Its single-core scores are substantially higher across all three benchmark versions, with advantages ranging from 16.4% in Geekbench to 52.6% in Cinebench R15. The 38.4 GB/s memory bandwidth also gives it an edge in memory-sensitive tasks, and its 15 W TDP makes it suitable for thermally constrained environments. Its Geekbench multicore lead of 4.9% suggests general productivity apps may also favor the AMD chip.

The Intel Core i7-2700K's single win in Cinebench R23 multicore points to specific rendering workloads where its 8 MB shared L3 cache and higher base clock of 3.50 GHz provide an advantage. The 34.1% margin is substantial enough to matter for users running consistent multicore rendering jobs. The unlocked multiplier also means enthusiasts could potentially push performance further, though the data does not include overclocked results. For desktop users with adequate cooling and access to DDR3 memory, the Intel chip remains viable for specific rendering tasks, but the overall benchmark picture favors the AMD Ryzen 7 2700U for most computing scenarios.