Intel Arc G3 vs Intel Core Ultra 7 366H Comparison

Head-to-Head Benchmarks

The database contains no direct head-to-head benchmark comparisons between the Intel Arc G3 and the Intel Core Ultra 7 366H. The Arc G3 has no recorded benchmark scores, no average score, and no percentile ranking data. The Core Ultra 7 366H, by contrast, has a full suite of 17 benchmark results across Cinebench and Passmark testing.

The Core Ultra 7 366H scores 28,477 in Cinebench R23 multi-core, 11,960 in Cinebench R20 multi-core, and 2,870 in Cinebench R15 multi-core. Single-core results are 4,020 in R23, 1,688 in R20, and 405 in R15. Passmark results include 33,429 in multi-thread, 4,043 in single-thread, 103,615 in floating-point math, and 83,695 in integer math.

Because the Arc G3 lacks any recorded measurements, the comparison is one-sided. The data shows no wins for the Arc G3 in any benchmark category. The Core Ultra 7 366H holds every recorded score in the database.

The Core Ultra 7 366H sits at the 87th percentile among all CPUs tested. Its average benchmark score is 41,263. Its nearest rivals are the Intel Core Ultra 7 356H at 41,215 (0.1% behind), the AMD Ryzen AI 5 PRO 440 at 41,208 (0.1% behind), the AMD Ryzen 9 5900X at 41,376 (0.3% ahead), and the Intel Core Ultra X7 358H at 40,967 (0.7% behind). These narrow margins confirm that the 366H sits in a tightly contested performance band.

FAQ

Q: Does the Intel Arc G3 have any benchmark results?

A: No. The database records no benchmark scores for the Intel Arc G3. Its average benchmark score is 0, and it has no percentile ranking among all CPUs.

Q: How does the Core Ultra 7 366H compare to its closest rival in the database?

A: The Core Ultra 7 366H scores 41,263 on average, which is 0.1% ahead of the Intel Core Ultra 7 356H (41,215) and 0.1% ahead of the AMD Ryzen AI 5 PRO 440 (41,208). It trails the AMD Ryzen 9 5900X by 0.3% (41,376) and leads the Intel Core Ultra X7 358H by 0.7% (40,967).

Q: What is the Core Ultra 7 366H's strongest benchmark result?

A: Its highest recorded score is 327,455 in Passmark data compression. The second-highest is 103,615 in Passmark floating-point math.

Q: Is the Core Ultra 7 366H a high-performing mobile processor?

A: Yes. The 87th percentile placement among all CPUs and the average score of 41,263 indicate it performs well above the median. Cinebench R23 multi-core at 28,477 shows strong sustained multi-threaded capability.

Q: Are both processors unlocked for overclocking?

A: No. Both the Intel Arc G3 and the Intel Core Ultra 7 366H have locked multipliers.

Q: Do the two processors share the same socket?

A: Yes. Both use Intel BGA 2540, making them socket-compatible in the physical sense, though the Arc G3 is a different product line.

Architecture Differences

Both processors are built on the Panther Lake architecture and use a 3 nm process node from Intel. The codename is Panther Lake for both. The Arc G3 is designated as generation "Arc G3 (Panther Lake)", while the Core Ultra 7 366H is generation "Ultra 7 (Panther Lake-H)". The "H" suffix indicates a different mobile variant within the same architecture family.

The core counts differ. The Arc G3 has 14 cores and 14 threads, meaning no hyper-threading. The Core Ultra 7 366H has 16 cores and 16 threads, also thread-for-core without hyper-threading. Both use the same cache hierarchy: 192 KB L1 per core, 2.5 MB L2 per core, and 18 MB shared L3.

The integrated graphics solutions are distinct. The Arc G3 uses Intel Arc B370 graphics, while the Core Ultra 7 366H uses Intel Xe3 Graphics. This indicates the Arc G3 carries a higher-tier GPU block despite being the lower-core-count processor.

Memory support differs. The Arc G3 supports LPDDR5X only, while the Core Ultra 7 366H supports both DDR5 and LPDDR5X. Both use dual-channel memory buses. The PCIe configurations are notably different: the Arc G3 provides Gen 5 with 4 lanes (CPU only), while the Core Ultra 7 366H provides Gen 5 with 12 lanes (CPU only). This gives the 366H three times the CPU PCIe lane count.

Specification Differences

| Specification | Intel Arc G3 | Intel Core Ultra 7 366H |

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

| Series | None listed | Core Ultra Series 3 |

| Cores | 14 | 16 |

| Threads | 14 | 16 |

| Base clock | 1.90 GHz | 2.00 GHz |

| Boost clock | 4.60 GHz | 4.80 GHz |

| TDP | 25 W | 25 W |

| Socket | Intel BGA 2540 | Intel BGA 2540 |

| Process node | 3 nm | 3 nm |

| L1 cache | 192 KB per core | 192 KB per core |

| L2 cache | 2.5 MB per core | 2.5 MB per core |

| L3 cache | 18 MB shared | 18 MB shared |

| Memory support | LPDDR5X | DDR5, LPDDR5X |

| Memory bus | Dual-channel | Dual-channel |

| Memory bandwidth | 136.5 GB/s | 115.2 GB/s |

| ECC memory | No | No |

| PCIe | Gen 5, 4 lanes (CPU) | Gen 5, 12 lanes (CPU) |

| Integrated graphics | Arc B370 | Intel Xe3 Graphics |

| Market segment | Mobile | Mobile |

| Production status | Active | Active |

| Release date | 2026-05-27 | 2026-01-04 |

| Multiplier unlocked | No | No |

| Part number | SA4QZ | SA4R9Q9EL |

The Core Ultra 7 366H has higher base and boost clocks: 2.00 GHz versus 1.90 GHz base, and 4.80 GHz versus 4.60 GHz boost. The 366H has two additional cores and two additional threads. It was released earlier, on 2026-01-04, versus the Arc G3's 2026-05-27.

The Arc G3 counters with higher memory bandwidth at 136.5 GB/s versus 115.2 GB/s for the 366H. This is notable because the Arc G3 supports only LPDDR5X, which provides the higher bandwidth figure. The 366H's broader memory support (DDR5 plus LPDDR5X) comes with a lower peak bandwidth in this configuration.

Where Each One Wins

The Core Ultra 7 366H wins on processor compute performance. All recorded benchmark scores belong to it. The higher core count (16 versus 14), higher base clock (2.00 GHz versus 1.90 GHz), and higher boost clock (4.80 GHz versus 4.60 GHz) support its performance position. Its 87th percentile ranking and average score of 41,263 place it among capable mobile processors.

The Arc G3 wins on memory bandwidth. Its 136.5 GB/s exceeds the 366H's 115.2 GB/s by a meaningful margin. This could benefit workloads that are memory-bandwidth-sensitive, such as certain integrated-graphics tasks or data movement. The Arc G3 also carries the Arc B370 integrated graphics, which is a higher-tier GPU block than the Intel Xe3 Graphics in the 366H, though no benchmark data quantifies that advantage.

The 366H wins on PCIe connectivity. Its 12 Gen 5 lanes (CPU only) versus the Arc G3's 4 Gen 5 lanes allow more attached devices at full bandwidth, which matters for laptops with multiple high-speed peripherals.

The Arc G3 wins on memory support flexibility in one sense: it is optimized for LPDDR5X only, which may simplify board design. The 366H wins on flexibility by supporting both DDR5 and LPDDR5X, giving system designers more options.

The Verdict

The data is clear: the Intel Core Ultra 7 366H is the measured performer, and the Intel Arc G3 has no recorded performance data. For any workload that depends on CPU compute, the 366H delivers the only available numbers. Its 16 cores at up to 4.80 GHz, combined with an 87th percentile placement, make it a strong mobile option.

The Arc G3 presents an interesting alternative on paper. Its higher memory bandwidth (136.5 GB/s versus 115.2 GB/s) and higher-tier Arc B370 integrated graphics suggest it targets scenarios where memory throughput and GPU capability matter more than raw CPU core count. But without benchmark results, the database cannot confirm how those advantages translate into real workload performance.

The release dates matter. The Core Ultra 7 366H came first, on 2026-01-04. The Arc G3 followed on 2026-05-27. The Arc G3's lower core count (14 versus 16) and lower clocks (1.90 GHz base, 4.60 GHz boost) suggest it occupies a different positioning, likely emphasizing its integrated graphics and memory bandwidth rather than CPU throughput.

For a mobile workstation or content-creation laptop where multi-threaded CPU performance is the priority, the Core Ultra 7 366H is the choice supported by measurements. For a system where memory bandwidth and integrated graphics capability matter more, the Arc G3 has theoretical advantages, but the lack of recorded benchmarks means those advantages remain unverified.

The nearest-rival data reinforces that the 366H competes closely with other high-end mobile and desktop processors. Its 0.1% lead over the Ultra 7 356H and the Ryzen AI 5 PRO 440, and its 0.3% deficit to the desktop Ryzen 9 5900X, place it in a consistent performance tier. The Arc G3 has no such comparative data, so any assessment of its competitive position must remain speculative.

The practical guidance from the recorded data is straightforward. Choose the Core Ultra 7 366H for proven multi-threaded and single-threaded performance. Choose the Arc G3 only if its specific attributes, higher memory bandwidth and Arc B370 graphics, align with a workload that cannot be served by the 366H, and accept that its performance is unquantified in the database.