AMD Ryzen AI Embedded P185 vs Intel Core Ultra 7 270HX Plus Comparison

The AMD Ryzen AI Embedded P185 and the Intel Core Ultra 7 270HX Plus represent two opposing philosophies for high-performance mobile computing. The AMD part is a 12-core, 24-thread processor built on a 4nm process, while the Intel chip is a 20-core, 20-thread behemoth on a 3nm node. The benchmark data, however, is unambiguous: the Intel Core Ultra 7 270HX Plus dominates the head-to-head comparison, winning all 11 recorded benchmark tests. This analysis will dissect the scale of that victory, explore the architectural reasons behind it, and outline the specific use cases where each processor excels.

Head-to-Head Benchmarks

The data tells a clear story of Intel's overwhelming performance advantage across every measured category. The most staggering result comes in the `passmark_find_prime_numbers` test, where the Intel chip scores 482 against the AMD's 129, a delta of -73.2%. This indicates a massive advantage in raw integer core throughput, likely stemming from the Intel part's higher core count and clock speeds.

The gap narrows considerably but remains substantial in other integer workloads. In `passmark_integer_math`, the Intel processor leads with a score of 122,449 versus 117,832, a 3.8% advantage. This is the closest margin of any test, suggesting that the AMD's SMT implementation helps it stay competitive in more generalized integer operations. For floating-point calculations, the Intel part is again far ahead, scoring 163,567 to the AMD's 70,587, a 56.8% deficit for AMD. This suggests a significant difference in vector processing capabilities.

Memory and data-intensive tasks show a similar pattern. The `passmark_data_compression` test favors Intel with a score of 493,179 versus 374,429, a 24.1% lead. The `passmark_data_encryption` benchmark shows an even larger 48.1% gap, with Intel scoring 37,813 and AMD scoring 19,612. The `passmark_random_string_sorting` test gives Intel a 60,020 to 40,557 win, a 32.4% advantage. These results align with Intel's higher memory bandwidth of 102.4 GB/s compared to AMD's 89.6 GB/s.

Single-threaded performance, critical for everyday responsiveness and lightly-threaded applications, also favors Intel. The `passmark_single_thread` score for the Intel Core Ultra 7 270HX Plus is 4,764, compared to AMD's 3,977, a 16.5% advantage. This is likely a direct result of the Intel's higher boost clock of 5.30 GHz versus the AMD's 5.10 GHz.

In the broader multi-threaded benchmark, `passmark_multithread`, the Intel chip's 48,270 score is 34.1% higher than the AMD's 31,817. The `passmark_extended_instructions` test shows a 32.4% lead for Intel (39,283 vs 26,544), and the `passmark_physics` test shows a massive 53.9% advantage for Intel (3,843 vs 1,772). The overall average benchmark score reflects this dominance, with Intel at 61,834 and AMD at 62,839, a difference of only 1.6% that does not represent the extremes of the head-to-head data. While the AMD's average score is slightly higher, it is clear the Intel part is the performance king in this comparison.

FAQ

Q: Which processor has a higher single-threaded benchmark score?

A: The Intel Core Ultra 7 270HX Plus has a higher single-thread score of 4,764, compared to the AMD Ryzen AI Embedded P185's 3,977, a 16.5% advantage for Intel.

Q: What is the difference in core and thread counts between the two CPUs?

A: The AMD Ryzen AI Embedded P185 has 12 cores and 24 threads, while the Intel Core Ultra 7 270HX Plus has 20 cores and 20 threads.

Q: How do the two processors compare in the data compression benchmark?

A: The Intel Core Ultra 7 270HX Plus scores 493,179 in `passmark_data_compression`, which is 24.1% higher than the AMD Ryzen AI Embedded P185's score of 374,429.

Q: Does the AMD processor support ECC memory?

A: Yes, the AMD Ryzen AI Embedded P185 supports ECC memory. In contrast, the Intel Core Ultra 7 270HX Plus does not support ECC memory.

Q: What is the difference in their process nodes?

A: The AMD processor is built on a 4 nm process, while the Intel processor uses a more advanced 3 nm process. Both are fabricated by TSMC.

Q: In which benchmark does the Intel processor show its smallest advantage?

A: The Intel Core Ultra 7 270HX Plus shows its smallest advantage in the `passmark_integer_math` test, where it leads by only 3.8%.

Architecture Differences

The two processors are built on fundamentally different architectures. The AMD Ryzen AI Embedded P185, codenamed "Gorgon Point," is part of the Ryzen AI Embedded generation, which combines Zen 5 and Zen 5c cores. This heterogeneous core design on a 4nm TSMC process targets power efficiency. In contrast, the Intel Core Ultra 7 270HX Plus is part of the Core Ultra Series 2, with the "Arrow Lake-HX Refresh" codename. It uses a monolithic 3nm TSMC process and a much larger 243 mm² die, compared to AMD's 233 mm².

The core count discrepancy is stark: Intel fields 20 full cores, while AMD offers 12 cores with simultaneous multithreading (SMT) to reach 24 threads. This difference is a defining factor in their performance profiles. Intel's design chooses more physical cores, while AMD's design relies on SMT to handle more software threads. Intel's cache layout also differs significantly, with a larger 192 KB L1 and 3 MB L2 per core, and a shared 30 MB L3 cache. AMD's design has 80 KB of L1 and 1 MB of L2 per core, with a smaller 16 MB L3 cache.

Connectivity options also diverge. The Intel part supports PCIe Gen 5 with 20 CPU lanes, while the AMD part has PCIe Gen 4 with 16 lanes. This provides Intel with a significant advantage in bandwidth for discrete GPUs and high-speed storage. For integrated graphics, Intel uses the Arc Xe-LPG Graphics 64EU, while AMD uses the Radeon 890M. Both support DDR5 memory, but AMD also adds LPDDR5X support. Intel's memory bandwidth is rated higher at 102.4 GB/s, while AMD is rated at 89.6 GB/s. Intel also has a higher TDP of 55W, and an unlocked multiplier, whereas the AMD part has a TDP of 28W and is locked.

Specification Differences

The two CPUs differ across nearly every core specification. The Intel Core Ultra 7 270HX Plus has 20 cores and 20 threads, while the AMD Ryzen AI Embedded P185 has 12 cores and 24 threads. Intel's base clock is 2.40 GHz, and its boost clock is 5.30 GHz. AMD's base clock is 2.00 GHz, with a boost clock of 5.10 GHz.

Process technology is another major differentiator, with Intel on a 3nm node and AMD on a 4nm node. The Intel chip is larger at 243 mm², compared to AMD's 233 mm², and contains 17,800 million transistors, a figure not listed for AMD. Cache structures are distinct: Intel has 192 KB of L1 and 3 MB of L2 per core, with a shared 30 MB L3 cache. AMD has 80 KB of L1 and 1 MB of L2 per core, and a 16 MB L3 cache.

Regarding memory, Intel supports only DDR5, while AMD supports both DDR5 and LPDDR5X. Intel's memory bandwidth is 102.4 GB/s, higher than AMD's 89.6 GB/s. ECC memory support is exclusive to AMD. The PCIe interface also differs: Intel offers Gen 5 with 20 lanes, while AMD offers Gen 4 with 16 lanes. The integrated graphics are different (Intel Arc Xe-LPG 64EU vs AMD Radeon 890M). Finally, the Intel part has an unlocked multiplier, whereas the AMD part is locked, and their sockets differ (Intel BGA 2114 vs AMD Socket FP8). The Intel part also has a significantly higher TDP of 55W, compared to AMD's 28W.

Where Each One Wins

The Intel Core Ultra 7 270HX Plus is the clear winner for performance-intensive tasks. Its 20 physical cores and higher clock speeds result in a dominant performance in multi-threaded workloads like video rendering, 3D modeling, and scientific simulations, as evidenced by its 34.1% lead in `passmark_multithread` and massive 56.8% lead in `passmark_floating_point_math`. Its 16.5% advantage in single-thread performance also makes it the better choice for high-refresh-rate gaming and other latency-sensitive applications. The support for PCIe Gen 5 with 20 lanes also makes it a superior platform for the fastest available discrete GPUs and storage devices.

The AMD Ryzen AI Embedded P185's strengths lie in efficiency and specific professional features. Its 28W TDP is nearly half that of the Intel part's 55W, making it better suited for thinner and lighter mobile workstations where battery life and thermal management are critical. The inclusion of ECC memory support makes it a more reliable choice for error-sensitive workloads like data processing and financial modeling, where data integrity is paramount. Furthermore, its support for LPDDR5X memory allows for more power-efficient memory configurations. Even though it loses every benchmark, its lower power draw and ECC support position it as a specialized tool for a different segment of the mobile market, prioritizing stability and endurance over absolute performance.