Intel Arc G3 EXTREME vs Intel Core 7 251E Comparison

# Intel Arc G3 EXTREME vs Intel Core 7 251E

The Intel Arc G3 EXTREME is the stronger performer in this comparison, despite its smaller core count and lower power envelope. The recorded data shows the Arc G3 EXTREME holds a decisive advantage across every benchmark category, with its average benchmark score of 36,699 placing it in the 85th percentile of all CPUs, while the Core 7 251E has no recorded benchmark scores and sits in the 50th percentile. The Core 7 251E counters with a higher boost clock, more cores, more threads, larger L3 cache, and broader memory support, but without benchmark results in the database, its real-world performance cannot be quantified against the Arc G3 EXTREME.

Where Each One Wins

The Intel Arc G3 EXTREME wins in every measurable performance category in the database. It delivers a Cinebench R23 multicore score of 14,655 and a single-core score of 1,862. In PassMark tests, it records strong results across the board: 86,929 in floating point math, 71,164 in integer math, 30,659 in multithreaded tests, and 4,293 in single-thread performance. The data confirms this processor is competitive with the Intel Core Ultra 5 225, trailing that chip by only 0.6% in average score, and sits within 1.1% of the AMD Ryzen AI 7 PRO 450. These margins place the Arc G3 EXTREME in a tight cluster of high-performing mid-range processors.

The Intel Core 7 251E has no benchmark scores recorded in the database. Its average benchmark score is listed as zero, and it has no nearest rival comparisons. This means the database contains no measurement data to confirm its performance in any workload. The processor does win on specifications that suggest potential capability: it offers 24 cores and 32 threads versus 14 cores and 14 threads for the Arc G3 EXTREME, a higher boost clock of 5.60 GHz versus 4.70 GHz, and a larger 36 MB shared L3 cache versus 18 MB. These specifications indicate the Core 7 251E could be well suited for heavily threaded workloads, but no benchmark data exists to verify that outcome.

The Arc G3 EXTREME also wins on efficiency indicators. Its TDP of 25 watts is substantially lower than the 65 watts of the Core 7 251E, and it delivers higher memory bandwidth at 136.5 GB/s versus 89.6 GB/s. The combination of measured performance and lower power draw makes the Arc G3 EXTREME the clear choice based on available data.

FAQ

Q: Which processor has the higher average benchmark score?

A: The Intel Arc G3 EXTREME has an average benchmark score of 36,699, placing it in the 85th percentile of all CPUs. The Intel Core 7 251E has an average benchmark score of zero with no recorded benchmarks.

Q: How do the core and thread counts compare?

A: The Intel Core 7 251E has 24 cores and 32 threads, while the Intel Arc G3 EXTREME has 14 cores and 14 threads. The Core 7 251E offers 10 additional cores and 18 additional threads.

Q: What is the difference in boost clock speeds?

A: The Intel Core 7 251E boosts to 5.60 GHz, while the Intel Arc G3 EXTREME boosts to 4.70 GHz. The Core 7 251E has a 0.90 GHz higher boost clock.

Q: How does memory bandwidth compare between the two?

A: The Intel Arc G3 EXTREME supports LPDDR5X memory with a bandwidth of 136.5 GB/s. The Intel Core 7 251E supports DDR4 and DDR5 memory with a bandwidth of 89.6 GB/s. The Arc G3 EXTREME delivers 46.9 GB/s more memory bandwidth.

Q: Which processor has a higher TDP?

A: The Intel Core 7 251E has a TDP of 65 watts, while the Intel Arc G3 EXTREME has a TDP of 25 watts. The Core 7 251E draws 40 watts more.

Q: Do both processors support ECC memory?

A: No. The Intel Core 7 251E supports ECC memory, while the Intel Arc G3 EXTREME does not.

Head-to-Head Benchmarks

The database contains no direct head-to-head benchmark results between the Intel Arc G3 EXTREME and the Intel Core 7 251E. However, the Arc G3 EXTREME has a full set of recorded measurements, while the Core 7 251E has none. The Arc G3 EXTREME achieves a Cinebench R15 multicore score of 2,192 and a single-core score of 267. In Cinebench R20, it scores 10,945 multicore and 1,545 single-core. The Cinebench R23 results show 14,655 multicore and 1,862 single-core.

The PassMark suite provides additional detail on the Arc G3 EXTREME. Data compression scores 307,094, data encryption scores 23,881, and extended instructions score 24,017. Prime number finding scores 248, floating point math scores 86,929, and integer math scores 71,164. Multithreaded performance scores 30,659, physics scores 2,515, and random string sorting scores 37,331. Single-thread performance is recorded at 4,293.

Without any recorded scores for the Core 7 251E, the comparison is one-sided. The Arc G3 EXTREME outperforms the Core 7 251E in every category simply because the database contains measurements for one and none for the other. The nearest rivals to the Arc G3 EXTREME provide context: the Intel Core Ultra 5 225 scores 36,938 on average, a 0.6% difference, and the AMD Ryzen 5 5600F scores 36,945, a 0.7% difference. The Arc G3 EXTREME sits at 36,699, slightly below both but within a narrow margin.

Specification Differences

The two processors differ across nearly every specification field. The Intel Arc G3 EXTREME uses an Intel BGA 2540 socket, while the Intel Core 7 251E uses Intel Socket 1700. The Arc G3 EXTREME has 14 cores and 14 threads, while the Core 7 251E has 24 cores and 32 threads. Base clocks differ slightly: 1.90 GHz for the Arc G3 EXTREME versus 2.10 GHz for the Core 7 251E. Boost clocks differ more significantly, with the Core 7 251E reaching 5.60 GHz compared to 4.70 GHz for the Arc G3 EXTREME.

TDP differs by 40 watts, with the Arc G3 EXTREME at 25 watts and the Core 7 251E at 65 watts. The Arc G3 EXTREME supports LPDDR5X memory, while the Core 7 251E supports DDR4 and DDR5. Memory bandwidth favors the Arc G3 EXTREME at 136.5 GB/s versus 89.6 GB/s. ECC memory support exists only on the Core 7 251E. PCIe lane counts differ, with the Arc G3 EXTREME providing 4 lanes and the Core 7 251E providing 16 lanes, both Gen 5. Integrated graphics differ: the Arc G3 EXTREME uses Arc B390, while the Core 7 251E uses UHD Graphics 770. The market segments differ as well, with the Arc G3 EXTREME targeting mobile and the Core 7 251E targeting desktop.

Architecture Differences

The Intel Arc G3 EXTREME is built on the Panther Lake architecture using a 3 nm process node at Intel foundry. The Intel Core 7 251E uses the Bartlett Lake architecture on a 10 nm process node, also at Intel foundry. The process node difference is substantial, with the Arc G3 EXTREME using a 3 nm node compared to 10 nm for the Core 7 251E.

Cache configurations differ notably. The Arc G3 EXTREME has 192 KB L1 cache per core, 2.5 MB L2 cache per core, and 18 MB shared L3 cache. The Core 7 251E has 80 KB L1 cache per core, 2 MB L2 cache per core, and 36 MB shared L3 cache. The Core 7 251E offers double the L3 cache capacity, while the Arc G3 EXTREME offers larger per-core L1 and L2 caches. The Core 7 251E has a die size of 257 mm², a figure not recorded for the Arc G3 EXTREME.

Release dates differ by over a year. The Core 7 251E was released on January 12, 2025, while the Arc G3 EXTREME was released on May 27, 2026. The Arc G3 EXTREME carries the part number SA4R3, and the Core 7 251E carries the part number SRQDUQ657. Neither processor has an unlocked multiplier.

The Verdict

The data supports the Intel Arc G3 EXTREME as the better-performing processor in this comparison. It has measured benchmark results in every category, an average score of 36,699, and an 85th percentile ranking. The Core 7 251E has no recorded benchmarks and a 50th percentile ranking, which by comparison places it below the Arc G3 EXTREME in the database. The Arc G3 EXTREME also delivers higher memory bandwidth, a smaller process node, and a much lower TDP.

The Core 7 251E claims advantages in core count, thread count, boost clock, L3 cache size, and PCIe lane count. It also supports ECC memory and a broader memory type range. These specifications suggest the Core 7 251E could be useful for workloads that scale with core count and threads, but without benchmark measurements, that potential remains unverified in the database. The processor carries a launch MSRP of $384, a figure recorded only for the Core 7 251E.

For users requiring verified performance, the Arc G3 EXTREME is the only option with recorded data. Its benchmark scores are consistent across Cinebench and PassMark suites, and its nearest rivals confirm it competes within 1% of several established processors. The Core 7 251E may offer more cores and a higher clock ceiling, but the database contains no evidence of its execution in real workloads. The verdict based on available measurements is clear: the Arc G3 EXTREME delivers, and the Core 7 251E remains unmeasured.