AMD Ryzen 5 PRO 6650U vs Intel Core i7-1270P Comparison

Where Each One Wins

The recorded benchmark data splits these two mobile processors into distinct roles. The Intel Core i7-1270P takes 10 of the 15 head-to-head comparisons, while the AMD Ryzen 5 PRO 6650U wins 5. That count alone suggests a general edge for Intel, but the nature of those wins tells a more interesting story.

Intel's victories are concentrated in compute-heavy, sustained workloads. The largest margin comes in Cinebench R23 multi-core, where the i7-1270P scores 13,938 against AMD's 8,854, a 57.4% advantage. That is a massive gap, and it points to the Intel part handling heavily threaded rendering tasks with far more headroom. The same pattern appears in floating-point math, where Intel leads 43,168 to 32,571, a 32.5% margin, and in physics simulation, where Intel's 1,120 score beats AMD's 837 by 33.8%. Prime number finding is also Intel's territory, with a 26.9% lead (66 versus 52).

AMD's wins, by contrast, are narrower and more specialized. The Ryzen 5 PRO 6650U takes Cinebench R15 multi-core (1,459.5 versus 1,404, a 3.8% edge), which is curious given the R23 result, and it wins R15 single-core by a larger 14.8% margin (232.5 versus 198). Beyond Cinebench, AMD's advantages come in data compression (190,180 versus 184,917, 2.8%), data encryption (12,159 versus 11,276, 7.3%), and extended instructions (12,261 versus 10,575, 13.8%). These are workloads that benefit from efficient instruction handling and memory throughput rather than raw core count.

The overall average benchmark scores reflect this split: Intel sits at 22,502 with a 76th percentile ranking across all CPUs, while AMD posts 21,874 at the 75th percentile. The delta is small in aggregate, but the distribution of wins shows two very different design philosophies.

Architecture Differences

The fundamental divergence is in how each chip is built. Intel uses Alder Lake architecture on a 10 nm process, manufactured at Intel's own foundry, with a die size of 217 mm². The part has 12 cores and 16 threads, mixing performance and efficiency cores in a hybrid arrangement. AMD counters with Zen 3+ (Rembrandt) on a 6 nm process from TSMC, with a slightly smaller die at 208 mm², and a more traditional 6-core, 12-thread design.

Cache hierarchies differ notably. Intel allocates 80 KB of L1 per core, 1.25 MB of L2 per core, and 18 MB of shared L3. AMD uses 64 KB L1 per core, 512 KB L2 per core, and 16 MB shared L3. The Intel L2 is more than double per core, which helps in workloads that repeatedly access working sets. The L3 gap is smaller, but Intel still holds a 2 MB advantage.

Clock behavior is also distinct. Intel lists a 2.20 GHz base clock and a 4.80 GHz boost, while AMD starts higher at 2.90 GHz base but boosts to 4.50 GHz. The higher base clock helps AMD in short bursts, but the higher Intel boost ceiling explains the single-thread Cinebench R23 advantage. Power envelopes diverge sharply: Intel is rated at 28 W TDP, AMD at 15 W. That difference likely explains why AMD wins the lower-power R15 tests while Intel dominates sustained R23 rendering.

Memory support separates them further. Intel accepts both DDR4 and DDR5, while AMD is DDR5-only. Both use dual-channel buses, but AMD lists a specific memory bandwidth of 76.8 GB/s, a figure Intel does not provide in the database. Both support PCIe Gen 4 with 20 CPU lanes, and neither supports ECC memory. Integrated graphics differ as well: Intel pairs with Iris Xe 96EU, AMD with Radeon 660M.

The sockets are incompatible: Intel uses BGA 1744, AMD uses FP7. Both are mobile segments, both remain active in production, and both launched in 2022, with Intel arriving February 22 and AMD on April 18. Neither has an unlocked multiplier.

The Verdict

The data points to a clear but conditional recommendation. For multi-core rendering, physics simulation, and math-heavy floating-point tasks, the Intel Core i7-1270P is the stronger choice. The 57.4% lead in Cinebench R23 multi-core is decisive, and the 33.8% physics advantage reinforces that pattern. Anyone running sustained CPU-bound workloads should favor Intel.

The AMD Ryzen 5 PRO 6650U earns its place for a different audience. Its wins in data compression, encryption, and extended instructions, plus the higher Cinebench R15 single-core score, suggest efficiency in lighter, more varied office-style tasks. The 15 W TDP compared to Intel's 28 W implies better power behavior, which matters for battery life in thin laptops. The 14.8% R15 single-core win also hints at snappier responsiveness in short bursts.

The percentile rankings are nearly tied, 76 versus 75, meaning both chips sit in the same performance class overall. The choice comes down to workload shape more than raw capability. If the priority is maximum thread throughput, Intel wins. If the priority is lower power consumption with strong encryption and compression performance, AMD wins.

FAQ

Q: Which processor has more cores and threads?

A: The Intel Core i7-1270P has 12 cores and 16 threads. The AMD Ryzen 5 PRO 6650U has 6 cores and 12 threads.

Q: Why does Intel win Cinebench R23 multi-core by such a large margin?

A: Intel scores 13,938 versus AMD's 8,854, a 57.4% difference. The Intel part's 12-core, hybrid design with 18 MB L3 and a 4.80 GHz boost clock provides more parallel throughput in sustained rendering workloads.

Q: Where does AMD outperform Intel?

A: AMD wins in Cinebench R15 multi-core (1,459.5 versus 1,404, 3.8%), R15 single-core (232.5 versus 198, 14.8%), data compression (190,180 versus 184,917, 2.8%), data encryption (12,159 versus 11,276, 7.3%), and extended instructions (12,261 versus 10,575, 13.8%).

Q: What are the memory support differences?

A: Intel supports both DDR4 and DDR5, while AMD supports only DDR5. Both use dual-channel memory buses. AMD lists a memory bandwidth of 76.8 GB/s; Intel does not provide a bandwidth figure in the database.

Q: How do their power ratings compare?

A: Intel is rated at 28 W TDP, AMD at 15 W TDP. This explains why AMD can win some shorter-duration tests while Intel dominates longer multi-core workloads.

Q: Do both processors have integrated graphics?

A: Yes. Intel includes Iris Xe 96EU, and AMD includes Radeon 660M. Neither supports ECC memory, and both use PCIe Gen 4 with 20 CPU lanes.

Head-to-Head Benchmarks

The biggest Intel win is Cinebench R23 multi-core, where the 13,938 score crushes AMD's 8,854. That 57.4% delta is the largest in the entire comparison and establishes Intel's dominance in long-form rendering. The R23 single-core test also favors Intel, 1,967 versus 1,463, a 34.4% margin, which is surprising given AMD's R15 single-core win. The explanation likely lies in the boost behavior: Intel's 4.80 GHz ceiling versus AMD's 4.50 GHz, combined with the newer Alder Lake architecture.

Floating-point math and physics show similar Intel advantages. The i7-1270P posts 43,168 in floating-point math against 32,571, a 32.5% lead, and 1,120 in physics versus 837, a 33.8% edge. Prime number finding is also Intel's, 66 versus 52, a 26.9% margin. Integer math is closer but still Intel: 63,016 versus 60,045, a 4.9% win. Multi-thread overall goes to Intel by 3.2% (16,957 versus 16,429), and single-thread by 6.5% (3,354 versus 3,149). Random string sorting is nearly tied, with Intel ahead just 1.2% (20,546 versus 20,299).

AMD's best win is Cinebench R15 single-core, where 232.5 beats 198 by 14.8%. That is the largest AMD margin and suggests the higher 2.90 GHz base clock gives it an advantage in short, lightly threaded bursts. R15 multi-core also goes to AMD, 1,459.5 versus 1,404, a 3.8% win, which contrasts sharply with the R23 multi-core result. Extended instructions favor AMD by 13.8% (12,261 versus 10,575), and data encryption by 7.3% (12,159 versus 11,276). Data compression is a narrow AMD win, 190,180 versus 184,917, or 2.8%.

The pattern across all 15 tests shows Intel winning the heavy lifting and AMD taking the efficiency-sensitive tasks. The average benchmark scores, 22,502 for Intel and 21,874 for AMD, differ by only 2.8%, but the distribution of wins matters more than the aggregate.

Specification Differences

The two processors differ across nearly every core specification. Intel offers 12 cores and 16 threads, while AMD provides 6 cores and 12 threads. Base clocks favor AMD at 2.90 GHz versus Intel's 2.20 GHz, but boost clocks favor Intel at 4.80 GHz versus AMD's 4.50 GHz. TDP is a major separation: Intel at 28 W, AMD at 15 W.

Process node and foundry differ completely: Intel uses 10 nm at its own foundry, AMD uses 6 nm at TSMC. Die sizes are close, 217 mm² for Intel and 208 mm² for AMD, but the cache layouts are not. Intel has 80 KB L1 per core, 1.25 MB L2 per core, and 18 MB shared L3. AMD has 64 KB L1 per core, 512 KB L2 per core, and 16 MB shared L3.

Memory support splits: Intel uses DDR4 and DDR5, AMD uses DDR5 only. Both are dual-channel, but AMD lists a memory bandwidth of 76.8 GB/s while Intel has no listed figure. Integrated graphics differ, with Intel using Iris Xe 96EU and AMD using Radeon 660M. Sockets are incompatible, Intel BGA 1744 versus AMD FP7, and the architectures are generationally distinct: Alder Lake for Intel, Zen 3+ Rembrandt for AMD. Release dates are two months apart, with Intel launching February 22, 2022 and AMD on April 18, 2022.