Intel Arc G3 EXTREME vs Intel Core Ultra 5 225 Comparison

The Intel Core Ultra 5 225 and the Intel Arc G3 EXTREME present a fascinating study in architectural divergence within the same manufacturer’s lineup. The Core Ultra 5 225 is a desktop-oriented Arrow Lake-S part, while the Arc G3 EXTREME is a mobile-focused Panther Lake processor. Despite the Arc G3 EXTREME having more cores and a higher memory bandwidth, the benchmark data reveals a complex, workload-dependent rivalry. The Core Ultra 5 225 secures 9 benchmark wins against the Arc G3 EXTREME’s 8, yet the Arc G3 EXTREME counters with massive victories in Cinebench R20 and several Passmark tests, making the overall average score remarkably close: 36,938 for the Core Ultra 5 225 versus 36,699 for the Arc G3 EXTREME, a negligible 0.6% difference. This analysis dissects the data to understand where and why each processor excels.

FAQ

Q: Which processor has a higher average benchmark score?

A: The Intel Core Ultra 5 225 has a slightly higher average benchmark score of 36,938, compared to the Intel Arc G3 EXTREME’s 36,699. The Arc G3 EXTREME trails by a marginal 0.6% in this metric.

Q: How do the two processors compare in the Cinebench R23 multi-core test?

A: The Intel Core Ultra 5 225 is the clear winner in Cinebench R23 multi-core, scoring 25,891 against the Arc G3 EXTREME’s 14,655. This represents a substantial 76.7% performance advantage for the desktop part.

Q: In which benchmark does the Intel Arc G3 EXTREME have its largest margin of victory?

A: The Arc G3 EXTREME’s largest win is in the Cinebench R20 multi-core test, where it scores 10,945 versus the Core Ultra 5 225’s 6,317. This is a 42.3% advantage for the Arc G3 EXTREME.

Q: What is the difference in single-threaded performance between the two?

A: The Core Ultra 5 225 leads in single-threaded tests. In the Passmark single-thread test, it scores 4,412 compared to the Arc G3 EXTREME’s 4,293, a 2.8% lead. This advantage is more pronounced in Cinebench R23 single-core, where the Core Ultra 5 225 is 96.3% ahead (3,655 vs 1,862).

Q: Are both processors based on the same manufacturing process?

A: Yes, both the Intel Core Ultra 5 225 and the Intel Arc G3 EXTREME are manufactured on a 3 nm process node. However, the Core Ultra 5 225 is built by TSMC, while the Arc G3 EXTREME is built by Intel.

Q: How do the processors fare in data encryption workloads?

A: The Intel Arc G3 EXTREME outperforms the Core Ultra 5 225 in the Passmark data encryption test, scoring 23,881 versus 22,285. This gives the Arc G3 EXTREME a 6.7% advantage in this specific workload.

Architecture Differences

The architectural chasm between these two processors is stark, beginning with their fundamental design goals. The Intel Core Ultra 5 225 is a desktop component built on the Arrow Lake architecture (codename Arrow Lake-S), designed for high-power, sustained performance within a 65 W TDP envelope. In contrast, the Intel Arc G3 EXTREME is a mobile processor based on the Panther Lake architecture, engineered for efficiency within a much lower 25 W TDP, which explains its BGA 2540 socket versus the Core Ultra 5 225’s LGA 1851.

The core configurations tell a story of different priorities. The Core Ultra 5 225 features 10 cores and 10 threads, while the Arc G3 EXTREME offers 14 cores and 14 threads, giving the mobile part 40% more physical cores. Despite this, the desktop chip operates at significantly higher clock speeds, with a base clock of 3.30 GHz and a boost clock of 4.90 GHz, compared to the Arc G3 EXTREME’s 1.90 GHz base and 4.70 GHz boost. This clock speed advantage is a primary driver of the Core Ultra 5 225’s superior single-thread performance. The cache hierarchy also differs: the Core Ultra 5 225 has 3 MB of L2 cache per core and a 20 MB shared L3 cache, while the Arc G3 EXTREME has 2.5 MB of L2 per core and an 18 MB shared L3 cache.

Memory and I/O configurations further highlight their distinct roles. The Core Ultra 5 225 supports dual-channel DDR5 memory with a bandwidth of 102.4 GB/s and offers 20 PCIe Gen 5 lanes, while the Arc G3 EXTREME uses dual-channel LPDDR5X memory with a higher bandwidth of 136.5 GB/s but only 4 PCIe Gen 5 lanes. This suggests the Arc G3 EXTREME is designed for a unified memory architecture typical of mobile systems, whereas the Core Ultra 5 225 assumes a discrete graphics card with its ample PCIe lanes. Both processors integrate graphics, but the Core Ultra 5 225 features Arc Xe-LPG Graphics with 16 execution units, while the Arc G3 EXTREME includes a more capable Arc B390 integrated GPU. The foundry difference is also notable: the desktop chip is fabricated by TSMC, while the mobile chip is produced in Intel’s own fabs.

Head-to-Head Benchmarks

The benchmark results reveal a processor that wins in two distinct performance domains. The Intel Core Ultra 5 225 dominates legacy and single-thread-heavy workloads, while the Intel Arc G3 EXTREME shows surprising strength in newer multi-threaded tests. The most dramatic divergence is in Cinebench R20, where the Arc G3 EXTREME scores 10,945 in multi-core versus 6,317 for the Core Ultra 5 225, a 42.3% swing in favor of the mobile part. The same 42.3% delta appears in the single-core R20 test, with the Arc G3 EXTREME scoring 1,545 versus 891. This suggests the Arc G3 EXTREME’s architecture is highly optimized for the R20 workload.

However, the Cinebench R23 results invert the narrative completely. The Core Ultra 5 225 scores 25,891 in multi-core, a massive 76.7% improvement over the Arc G3 EXTREME’s 14,655. The single-core R23 test shows an even larger gap, with the Core Ultra 5 225 scoring 3,655 versus 1,862, a 96.3% advantage. This implies the Core Ultra 5 225’s higher clock speeds and architecture are far more effective in the R23 test suite. In the older Cinebench R15, the Core Ultra 5 225 also wins, with 2,609 multi-core versus 2,192 (19% ahead) and 368 single-core versus 267 (37.8% ahead).

The Passmark suite offers a more balanced picture, with the Arc G3 EXTREME winning 5 of the 9 tests. The Arc G3 EXTREME takes the data compression test with a score of 307,094 versus 302,811 (1.4% lead), data encryption at 23,881 versus 22,285 (6.7% lead), integer math at 71,164 versus 65,345 (8.2% lead), multithread at 30,659 versus 30,459 (0.7% lead), and physics at 2,515 versus 2,342 (6.9% lead). The Core Ultra 5 225 counters with wins in extended instructions (27,162 vs 24,017, a 13.1% lead), find prime numbers (358 vs 248, a 44.4% lead), floating point math (92,038 vs 86,929, a 5.9% lead), and the single-thread tests (4,412 vs 4,293, a 2.8% lead). The random string sorting test also goes to the Arc G3 EXTREME, with a score of 37,331 versus 36,590, a 2% lead.

The Verdict

The data does not support a single, universal winner; rather, it indicates two processors serving different masters. The Intel Core Ultra 5 225 is the definitive choice for desktop users who prioritize raw single-thread performance and legacy application compatibility. Its dominance in Cinebench R23 single-core (96.3% ahead) and R15 single-core (37.8% ahead) makes it superior for lightly-threaded tasks like general productivity, web browsing, and older software that relies on high clock speeds. Its 76.7% lead in Cinebench R23 multi-core also makes it a strong candidate for modern rendering workloads that scale well with the Arrow Lake architecture’s efficiency.

The Intel Arc G3 EXTREME, despite being a mobile part with a 25 W TDP, presents a compelling case for specific multi-threaded environments. Its 42.3% victory in Cinebench R20 multi-core, alongside wins in Passmark integer math and data compression, suggests it can handle parallel integer-heavy tasks with remarkable efficiency. The fact that it achieves these wins with a lower boost clock (4.70 GHz vs 4.90 GHz) and more cores (14 vs 10) points to an architecture that scales exceptionally well with core count in certain workloads. For a mobile user running applications that are optimized for the Panther Lake generation, the Arc G3 EXTREME offers competitive performance that rivals a desktop part in specific scenarios. The near-identical average scores (0.6% difference) and the 9-to-8 split in benchmark wins confirm that the choice hinges entirely on the user’s primary workload rather than overall capability.

Specification Differences

The two processors differ in nearly every fundamental specification. The most obvious difference is the core count, with the Arc G3 EXTREME featuring 14 cores and 14 threads versus the Core Ultra 5 225’s 10 cores and 10 threads. Clock speeds also differ significantly, with the Core Ultra 5 225 having a base clock of 3.30 GHz and boost of 4.90 GHz, while the Arc G3 EXTREME has a base of 1.90 GHz and boost of 4.70 GHz. The thermal design power is remarkably different, with the Core Ultra 5 225 rated at 65 W and the Arc G3 EXTREME at just 25 W.

The socket types are incompatible, with the Core Ultra 5 225 using Intel Socket 1851 and the Arc G3 EXTREME using Intel BGA 2540. Their codenames and architectures also differ, with the Core Ultra 5 225 being Arrow Lake-S and the Arc G3 EXTREME being Panther Lake. The manufacturing foundry is another key difference: the Core Ultra 5 225 is built by TSMC, while the Arc G3 EXTREME is built by Intel, despite both using a 3 nm process. The cache configurations are not identical, as the Core Ultra 5 225 has 3 MB of L2 cache per core and 20 MB of L3 cache, whereas the Arc G3 EXTREME has 2.5 MB of L2 per core and 18 MB of L3. Memory support differs, with the Core Ultra 5 225 using DDR5 and the Arc G3 EXTREME using LPDDR5X, and the memory bandwidth is higher on the mobile part at 136.5 GB/s versus 102.4 GB/s. PCIe lane allocation is also distinct, with the Core Ultra 5 225 offering 20 Gen 5 lanes versus the Arc G3 EXTREME’s 4 Gen 5 lanes. The integrated graphics differ as well, with the Core Ultra 5 225 featuring Arc Xe-LPG Graphics with 16 EU and the Arc G3 EXTREME featuring Arc B390. The Core Ultra 5 225 also has a launch MSRP of $246, while the Arc G3 EXTREME has no listed launch MSRP. The release dates are also different, with the Core Ultra 5 225 releasing on 2025-01-06 and the Arc G3 EXTREME on 2026-05-27.

Where Each One Wins

The Intel Core Ultra 5 225 is the clear winner in scenarios that demand high single-thread performance and legacy multi-core scaling. Its victories in Cinebench R15, R23, and the Passmark single-thread tests make it ideal for users running older applications, spreadsheets, web browsers, and software that does not fully utilize many cores. The 44.4% lead in Passmark find prime numbers and the 13.1% lead in extended instructions also suggest it is better suited for scientific computing and instruction-heavy workloads. Its 76.7% advantage in Cinebench R23 multi-core indicates it can handle modern rendering tasks like video encoding and 3D modeling that use the Arrow Lake architecture efficiently.

The Intel Arc G3 EXTREME wins in a specific set of modern, multi-threaded workloads. Its 42.3% lead in Cinebench R20 multi-core and single-core suggests it is highly optimized for the Cinebench R20 instruction set, making it a potential choice for users running that specific benchmark or similar software. Its wins in Passmark integer math (8.2% ahead), data compression (1.4% ahead), and data encryption (6.7% ahead) point to strengths in database operations, file archiving, and security-related tasks. The 6.9% lead in physics and 2% lead in random string sorting further indicate an advantage in simulation and sorting algorithms. For a mobile user whose workflow centers on these parallel integer tasks, the Arc G3 EXTREME offers a compelling, low-power alternative that can match or beat a desktop chip in these niches.