AMD Ryzen 5 PRO 6650U vs Intel Core i7-10700K Comparison

The Intel Core i7-10700K and AMD Ryzen 5 PRO 6650U represent two distinct philosophies in processor design: a high-power desktop part built for sustained multi-threaded workloads against a low-power mobile chip optimized for efficiency and single-thread responsiveness. Benchmark data shows the Core i7-10700K dominates in sheer compute throughput, winning 13 of 17 head-to-head tests, while the Ryzen 5 PRO 6650U counters with notable victories in encryption and specific single-thread scenarios. Both processors land at the 75th percentile among all CPUs, yet their average benchmark scores diverge slightly, with the Intel part averaging 22230 versus 21874 for the AMD chip.

Head-to-Head Benchmarks

The most decisive victory for the Intel Core i7-10700K comes in Cinebench R23 multi-core, where it scores 15727 against the Ryzen 5 PRO 6650U’s 8854—a massive 77.6% advantage. This gap reflects the Intel part’s 8-core/16-thread configuration versus the AMD’s 6-core/12-thread setup, combined with the desktop chip’s 125W TDP allowing sustained boost clocks. Similarly, in Cinebench R23 single-core, the Intel part leads by 51.7% (2220 vs 1463), a surprising margin given the AMD chip’s newer Zen 3+ architecture. The Intel processor also excels in PassMark random string sorting, posting 36633 versus 20299—an 80.5% lead that points to memory latency advantages in pointer-chasing workloads. Data compression tells a similar story: Intel’s 295418 score beats AMD’s 190180 by 55.3%, and extended instructions favor Intel by 58.1% (19387 vs 12261).

The Ryzen 5 PRO 6650U secures its largest win in PassMark data encryption, scoring 12159 against Intel’s 6468—a 46.8% advantage. This is a notable reversal, suggesting the AMD chip’s integrated security features or newer instruction set implementation handle cryptographic workloads more efficiently. The AMD part also wins both single-thread PassMark variants (3149 vs 3043, a 3.4% edge) and Cinebench R15 single-core (232.5 vs 223, a 4.1% lead). In Geekbench single-core, the Intel chip narrowly prevails at 1701 versus 1652 (3% delta), while in Cinebench R15 multi-core, Intel wins by a modest 8.6% (1585 vs 1459.5). The remaining tests—PassMark floating point math (41306 vs 32571, 26.8%), integer math (66642 vs 60045, 11%), multithread (18609 vs 16429, 13.3%), physics (933 vs 837, 11.5%), and find prime numbers (55 vs 52, 5.8%)—all favor the Intel part, though with varying margins.

Where Each One Wins

The Intel Core i7-10700K is the clear choice for heavily threaded productivity workloads. Its 77.6% Cinebench R23 multi-core lead and 33.5% Geekbench multi-core advantage (9430 vs 7065) indicate superior performance in video rendering, 3D modeling, and code compilation. The 55.3% data compression win and 58.1% extended instructions lead further suggest strong performance in archive management and scientific computing tasks that leverage AVX instructions. The 80.5% random string sorting victory points to advantages in database operations and text processing. For users running parallel workloads that scale beyond 12 threads, the Intel part’s 16 threads provide a meaningful headroom that the AMD chip cannot match.

The AMD Ryzen 5 PRO 6650U wins decisively in data encryption, outperforming Intel by 46.8%—a critical factor for VPNs, full-disk encryption, and secure communications. Its single-thread PassMark wins (3149 vs 3043) and Cinebench R15 single-core victory (232.5 vs 223) indicate snappier responsiveness in lightly threaded applications like web browsing, office productivity, and legacy software. The AMD chip’s 3.4% single-thread PassMark edge, while modest, suggests better per-core efficiency in short bursts, which aligns with its mobile design philosophy. For users prioritizing battery life and portability, the 15W TDP versus Intel’s 125W makes the AMD part dramatically more suitable for thin-and-light laptops, despite its lower raw performance.

Architecture Differences

The two processors come from fundamentally different design eras and nodes. Intel’s Core i7-10700K uses the Comet Lake architecture built on a 14 nm process at Intel’s own foundry, while AMD’s Ryzen 5 PRO 6650U employs Zen 3+ (codenamed Rembrandt) fabricated on TSMC’s 6 nm node. This process gap explains the AMD chip’s vastly lower 15W TDP versus Intel’s 125W, despite the Intel part’s higher clock speeds. The Intel chip features 8 cores and 16 threads, while AMD offers 6 cores and 12 threads. Both share 64 KB of L1 cache per core and 16 MB of shared L3 cache, but differ in L2: Intel provides 256 KB per core, AMD doubles that to 512 KB per core. The AMD chip’s die size is 208 mm², while Intel’s die size is not specified in the data. Both processors lack 3D V-Cache and neither supports ECC memory. The AMD chip integrates Radeon 660M graphics, while Intel includes UHD Graphics 630; both are integrated solutions but the AMD part’s newer architecture likely offers better iGPU performance, though specific benchmarks are not provided.

Specification Differences

The most consequential specification gap is thermal design power: the Intel Core i7-10700K consumes 125W, while the AMD Ryzen 5 PRO 6650U draws just 15W—an 8.3x difference that dictates their respective desktop and mobile market segments. Clock speeds differ substantially: Intel’s base clock of 3.80 GHz and boost of 5.10 GHz exceed AMD’s 2.90 GHz base and 4.50 GHz boost, though the AMD chip’s lower power envelope means those clocks are likely sustained for shorter durations. Memory support diverges completely: Intel uses DDR4 with 46.9 GB/s bandwidth, while AMD uses DDR5 with 76.8 GB/s—a 64% bandwidth advantage for the AMD chip despite its lower core count. PCIe capabilities also differ: Intel offers Gen 3 with 16 lanes (CPU only), whereas AMD provides Gen 4 with 20 lanes (CPU only), giving the latter both newer and more plentiful I/O. Socket compatibility is entirely separate: Intel uses Socket 1200, AMD uses Socket FP7. The Intel chip has an unlocked multiplier for overclocking; the AMD chip is locked. Release dates are about two years apart: Intel launched on April 29, 2020, while AMD arrived on April 18, 2022. The Intel part’s part number is SRH72; AMD’s is 100-000000539100-000000551.

FAQ

Q: Which processor is faster in Cinebench R23 multi-core?

A: The Intel Core i7-10700K is substantially faster, scoring 15727 versus 8854 for the AMD Ryzen 5 PRO 6650U—a 77.6% advantage.

Q: Does the AMD Ryzen 5 PRO 6650U win any benchmarks?

A: Yes, it wins 4 of 17 head-to-head tests: PassMark data encryption (12159 vs 6468, 46.8% ahead), both PassMark single-thread tests (3149 vs 3043, 3.4% ahead), and Cinebench R15 single-core (232.5 vs 223, 4.1% ahead).

Q: What is the memory bandwidth difference between the two?

A: The AMD Ryzen 5 PRO 6650U supports DDR5 with 76.8 GB/s bandwidth, while the Intel Core i7-10700K uses DDR4 with 46.9 GB/s—AMD offers 64% more bandwidth.

Q: How do their average benchmark scores compare?

A: The Intel Core i7-10700K averages 22230 across all benchmarks, while the AMD Ryzen 5 PRO 6650U averages 21874. Both rank at the 75th percentile among all CPUs.

Q: Which processor has more cores and threads?

A: The Intel Core i7-10700K has 8 cores and 16 threads, while the AMD Ryzen 5 PRO 6650U has 6 cores and 12 threads.

Q: What are the TDP ratings for each chip?

A: The Intel Core i7-10700K has a 125W TDP, making it a desktop-oriented part, while the AMD Ryzen 5 PRO 6650U has a 15W TDP, designed for mobile devices.