Intel Arc G3 EXTREME vs Intel Core Ultra 7 265 Comparison

The Intel Arc G3 EXTREME and the Intel Core Ultra 7 265 represent two distinct Intel platforms for different market segments. The Arc G3 EXTREME is a mobile processor built on the Panther Lake architecture, while the Core Ultra 7 265 is a desktop processor based on Arrow Lake. The database records show a significant performance gap between the two, with the Core Ultra 7 265 winning 15 of the 17 head-to-head benchmark comparisons. However, the Arc G3 EXTREME delivers a notable victory in two Cinebench R20 tests, which suggests a more complex relationship than a simple overall winner.

FAQ

Q: Which processor has more cores and threads?

A: The Intel Core Ultra 7 265 has 20 cores and 20 threads. The Intel Arc G3 EXTREME has 14 cores and 14 threads. Neither processor supports simultaneous multithreading, as the thread count matches the core count for both.

Q: What is the difference in boost clock speeds?

A: The Intel Core Ultra 7 265 boosts up to 5.30 GHz, while the Intel Arc G3 EXTREME boosts up to 4.70 GHz. The Core Ultra 7 265 also has a higher base clock of 2.40 GHz compared to 1.90 GHz for the Arc G3 EXTREME.

Q: Which processor has the larger L3 cache?

A: The Intel Core Ultra 7 265 has 30 MB of shared L3 cache. The Intel Arc G3 EXTREME has 18 MB of shared L3 cache. The Core Ultra 7 265 also has a larger L2 cache of 3 MB per core, compared to 2.5 MB per core for the Arc G3 EXTREME.

Q: How do the processors compare in memory bandwidth?

A: The Intel Arc G3 EXTREME supports LPDDR5X memory with a bandwidth of 136.5 GB/s. The Intel Core Ultra 7 265 supports DDR5 memory with a bandwidth of 102.4 GB/s. The Arc G3 EXTREME has a bandwidth advantage of 34.1 GB/s.

Q: Which processor has a higher average benchmark score?

A: The Intel Core Ultra 7 265 has an average benchmark score of 64640, compared to 36699 for the Intel Arc G3 EXTREME. The Core Ultra 7 265 also ranks in the 93rd percentile of all CPUs, while the Arc G3 EXTREME ranks in the 85th percentile.

Q: In which benchmark does the Intel Arc G3 EXTREME outperform the Core Ultra 7 265?

A: The Intel Arc G3 EXTREME wins in Cinebench R20 multi-core and single-core tests. It scores 10945 in R20 multi-core versus 6268 for the Core Ultra 7 265, a lead of 74.6 percent, and 1545 in R20 single-core versus 884, a lead of 74.8 percent.

Architecture Differences

The two processors are built on different architectural foundations. The Intel Arc G3 EXTREME uses the Panther Lake codename and belongs to the Arc G3 generation. The Intel Core Ultra 7 265 uses the Arrow Lake codename, specifically Arrow Lake-S, and belongs to the Core Ultra Series 2. Both processors are fabricated on a 3 nm process node, but the foundry differs: Intel fabricates the Arc G3 EXTREME, while TSMC fabricates the Core Ultra 7 265. The Core Ultra 7 265 has a documented transistor count of 17,800 million and a die size of 243 mm², while the database does not list transistor or die size data for the Arc G3 EXTREME.

The core configurations differ substantially. The Arc G3 EXTREME has 14 cores and 14 threads, while the Core Ultra 7 265 has 20 cores and 20 threads. Neither processor has a multiplier unlocked for overclocking. The cache hierarchy shows similarities at the L1 level, with both processors using 192 KB of L1 cache per core. The L2 cache differs, with the Arc G3 EXTREME using 2.5 MB per core and the Core Ultra 7 265 using 3 MB per core. The shared L3 cache also differs, with 18 MB on the Arc G3 EXTREME and 30 MB on the Core Ultra 7 265.

Memory support separates the two platforms. The Arc G3 EXTREME supports LPDDR5X memory with dual-channel configuration and a bandwidth of 136.5 GB/s. The Core Ultra 7 265 supports DDR5 memory with dual-channel configuration and a bandwidth of 102.4 GB/s. Neither processor supports ECC memory. The PCIe configurations differ as well: the Arc G3 EXTREME provides Gen 5 with 4 lanes for the CPU, while the Core Ultra 7 265 provides Gen 5 with 20 lanes for the CPU.

The integrated graphics differ between the two. The Arc G3 EXTREME includes Arc B390 graphics, while the Core Ultra 7 265 includes Arc Xe-LPG Graphics with 32 execution units. The market segments reflect the platform intent: the Arc G3 EXTREME is a mobile processor with a thermal design power of 25 watts, while the Core Ultra 7 265 is a desktop processor with a thermal design power of 65 watts. The sockets also differ, with the Arc G3 EXTREME using Intel BGA 2540 and the Core Ultra 7 265 using Intel Socket 1851. The release dates place the Core Ultra 7 265 earlier, with a release date of January 6, 2025, while the Arc G3 EXTREME has a release date of May 27, 2026.

The Verdict

The benchmark data points to the Intel Core Ultra 7 265 as the stronger processor for compute-heavy workloads. It holds a 93rd percentile ranking among all CPUs, compared to the 85th percentile for the Intel Arc G3 EXTREME. The average benchmark score of 64640 for the Core Ultra 7 265 is 76.1 percent higher than the 36699 average for the Arc G3 EXTREME. The Core Ultra 7 265 wins in 15 of the 17 recorded head-to-head tests, including all PassMark tests and most Cinebench tests.

The Intel Arc G3 EXTREME is the appropriate choice for systems that require the mobile form factor. It has a thermal design power of 25 watts, uses the Intel BGA 2540 socket, and supports LPDDR5X memory. The Core Ultra 7 265 has a thermal design power of 65 watts, uses the Intel Socket 1851, and supports DDR5 memory. The data does not show the Arc G3 EXTREME as a competitive alternative to the Core Ultra 7 265 in raw performance, but it does occupy a distinct position as a lower-power mobile part with its own architectural identity.

The two Cinebench R20 wins for the Arc G3 EXTREME are outliers in an otherwise one-sided comparison. The database shows a 74.6 percent lead for the Arc G3 EXTREME in Cinebench R20 multi-core and a 74.8 percent lead in Cinebench R20 single-core. These results contradict the broader pattern and suggest that the R20 workload does not align with the relative strengths of the two processors as seen in other tests. The Core Ultra 7 265 remains the recommended processor for desktop workloads based on the preponderance of benchmark evidence.

Specification Differences

The Intel Arc G3 EXTREME and Intel Core Ultra 7 265 differ across most specification fields.

• Cores: 14 for the Arc G3 EXTREME, 20 for the Core Ultra 7 265.
• Threads: 14 for the Arc G3 EXTREME, 20 for the Core Ultra 7 265.
• Base clock: 1.90 GHz for the Arc G3 EXTREME, 2.40 GHz for the Core Ultra 7 265.
• Boost clock: 4.70 GHz for the Arc G3 EXTREME, 5.30 GHz for the Core Ultra 7 265.
• Thermal design power: 25 watts for the Arc G3 EXTREME, 65 watts for the Core Ultra 7 265.
• Socket: Intel BGA 2540 for the Arc G3 EXTREME, Intel Socket 1851 for the Core Ultra 7 265.
• Codename: Panther Lake for the Arc G3 EXTREME, Arrow Lake-S for the Core Ultra 7 265.
• Generation: Arc G3 for the Arc G3 EXTREME, Ultra 7 for the Core Ultra 7 265.
• Foundry: Intel for the Arc G3 EXTREME, TSMC for the Core Ultra 7 265.
• Transistors: Not listed for the Arc G3 EXTREME, 17,800 million for the Core Ultra 7 265.
• Die size: Not listed for the Arc G3 EXTREME, 243 mm² for the Core Ultra 7 265.
• L2 cache: 2.5 MB per core for the Arc G3 EXTREME, 3 MB per core for the Core Ultra 7 265.
• L3 cache: 18 MB shared for the Arc G3 EXTREME, 30 MB shared for the Core Ultra 7 265.
• Memory support: LPDDR5X for the Arc G3 EXTREME, DDR5 for the Core Ultra 7 265.
• Memory bandwidth: 136.5 GB/s for the Arc G3 EXTREME, 102.4 GB/s for the Core Ultra 7 265.
• PCIe lanes: Gen 5, 4 lanes for the Arc G3 EXTREME, Gen 5, 20 lanes for the Core Ultra 7 265.
• Integrated graphics: Arc B390 for the Arc G3 EXTREME, Arc Xe-LPG Graphics 32EU for the Core Ultra 7 265.
• Market segment: Mobile for the Arc G3 EXTREME, Desktop for the Core Ultra 7 265.
• Release date: May 27, 2026 for the Arc G3 EXTREME, January 6, 2025 for the Core Ultra 7 265.
• Launch MSRP: None listed for the Arc G3 EXTREME, $394 for the Core Ultra 7 265.
• Part number: SA4R3 for the Arc G3 EXTREME, SRQCX for the Core Ultra 7 265.

Both processors share a 3 nm process node, 192 KB of L1 cache per core, dual-channel memory bus, no ECC support, and a locked multiplier.

Head-to-Head Benchmarks

The head-to-head data shows a dominant performance profile for the Intel Core Ultra 7 265. In Cinebench R15 multi-core, the Core Ultra 7 265 scores 4255 against 2192 for the Arc G3 EXTREME, a lead of 48.5 percent. In Cinebench R15 single-core, the Core Ultra 7 265 scores 600 against 267, a lead of 55.5 percent. The Cinebench R23 tests continue this pattern: the Core Ultra 7 265 scores 42216 in multi-core versus 14655, a lead of 65.3 percent, and 5960 in single-core versus 1862, a lead of 68.8 percent.

The PassMark suite is uniformly favorable to the Core Ultra 7 265. In data compression, the Core Ultra 7 265 scores 522983 versus 307094, a lead of 41.3 percent. Data encryption shows 40456 versus 23881, a lead of 41 percent. Extended instructions show 41478 versus 24017, a lead of 42.1 percent. Find prime numbers shows 418 versus 248, a lead of 40.7 percent. Floating point math shows 172776 versus 86929, a lead of 49.7 percent. Integer math shows 134773 versus 71164, a lead of 47.2 percent. Multithread shows 49682 versus 30659, a lead of 38.3 percent. Physics shows 2923 versus 2515, a lead of 14 percent. Random string sorting shows 63833 versus 37331, a lead of 41.5 percent. Single-thread shows 4689 versus 4293, a lead of 8.4 percent.

The two exceptions appear in Cinebench R20. The Arc G3 EXTREME wins R20 multi-core with a score of 10945 against 6268, a lead of 74.6 percent. It also wins R20 single-core with 1545 against 884, a lead of 74.8 percent. These are the only two wins for the Arc G3 EXTREME in the entire comparison, and they are the largest margins recorded in either direction. The R20 results stand apart from the R15 and R23 results, which both favor the Core Ultra 7 265 by wide margins. The database does not provide an explanation for this divergence, but the recorded scores show that the R20 workload produces a different ranking than the other Cinebench versions.

Where Each One Wins

The Intel Core Ultra 7 265 wins in the majority of benchmark categories. It leads in all PassMark tests, including data compression, data encryption, extended instructions, prime number calculation, floating point math, integer math, multithread, physics, random string sorting, and single-thread. It also leads in Cinebench R15 and R23 tests, both multi-core and single-core. The margins range from 8.4 percent in PassMark single-thread to 68.8 percent in Cinebench R23 single-core. The processor also holds the higher average benchmark score and a higher percentile ranking across all CPUs.

The Intel Arc G3 EXTREME wins only in Cinebench R20 multi-core and single-core. The margins in these tests are the largest of any comparison: 74.6 percent in multi-core and 74.8 percent in single-core. Outside of these two tests, the Arc G3 EXTREME trails the Core Ultra 7 265 by margins between 14 and 68.8 percent. The Arc G3 EXTREME also has advantages in memory bandwidth, with 136.5 GB/s versus 102.4 GB/s, and a lower thermal design power of 25 watts versus 65 watts, which positions it as the lower-power mobile option.

The use-case split follows the benchmark results. The Core Ultra 7 265 is the processor for desktop workloads that rely on integer math, floating point math, data compression, encryption, and multi-threaded rendering. The Arc G3 EXTREME is the processor for the mobile segment, where its LPDDR5X memory support and 25 watt thermal design power fit a different hardware profile. The Cinebench R20 wins for the Arc G3 EXTREME indicate that it can outperform the Core Ultra 7 265 in specific rendering subtests, but the broader dataset shows that the Core Ultra 7 265 holds the performance advantage across nearly every measured workload.