Intel Atom x7425E vs Intel Pentium Gold G6600 Comparison

FAQ

Q: Which processor has the higher multi-core Cinebench R23 score?

A: The Intel Atom x7425E scores 4403 in Cinebench R23 multi-core, which is 22.7% higher than the Intel Pentium Gold G6600's 3589. This is the largest multi-core margin recorded between the two.

Q: Does the Atom x7425E also win in single-core tests?

A: Yes. In Cinebench R23 single-core, the Atom x7425E scores 621 versus 506 for the Pentium Gold G6600, a 22.7% advantage. The same pattern appears in Cinebench R20 single-core (260 vs 212, a 22.6% lead).

Q: How do these processors compare in overall benchmark percentile?

A: The Atom x7425E sits at the 35th percentile of all CPUs, while the Pentium Gold G6600 is at the 34th percentile. Their average benchmark scores are 1273 and 1235 respectively, placing them nearly equal in the database's overall ranking.

Q: What is the TDP difference between the two?

A: The Atom x7425E has a TDP of 12 watts, while the Pentium Gold G6600 has a TDP of 58 watts. This is a substantial difference, with the Atom drawing far less power.

Q: Which processor has more cores?

A: The Atom x7425E has 4 cores and 4 threads, while the Pentium Gold G6600 has 2 cores and 4 threads. Both support 4 threads total, but the Atom has twice the physical core count.

Q: What memory types does each support?

A: The Atom x7425E supports both DDR4 and DDR5 with a single-channel memory bus, while the Pentium Gold G6600 supports only DDR4 with a dual-channel memory bus. The Pentium Gold has higher memory bandwidth at 42.7 GB/s versus 38.4 GB/s.

Where Each One Wins

The benchmark data shows a clean sweep for the Intel Atom x7425E across all five recorded Cinebench tests. The Atom wins every multi-core and single-core comparison, with deltas ranging from 22.6% to 22.7%. There is no recorded test where the Pentium Gold G6600 takes a victory.

This makes the use-case split straightforward. For workloads that rely on Cinebench-style rendering performance, which stresses both multi-threaded and single-threaded execution, the Atom x7425E is the stronger choice. The data suggests the Atom's four physical cores provide a meaningful advantage over the Pentium Gold's two cores, even though both processors handle four threads.

However, the Pentium Gold G6600 is not without its own strengths in the broader context. It operates at a base clock of 4.20 GHz, which is far higher than the Atom's 1.50 GHz base clock. It also supports dual-channel memory with higher bandwidth (42.7 GB/s) and offers more PCIe lanes (16 versus 9). For memory-intensive tasks or systems requiring more expansion options, the Pentium Gold's platform advantages could be relevant, even if the raw Cinebench scores favor the Atom.

The market segments differ as well. The Atom x7425E is a mobile processor, while the Pentium Gold G6600 is a desktop part. This suggests different intended environments, with the Atom suited for low-power mobile or embedded scenarios and the Pentium Gold for traditional desktop builds.

Head-to-Head Benchmarks

The head-to-head data is remarkably consistent. In Cinebench R15 multi-core, the Atom x7425E scores 443 against 361 for the Pentium Gold G6600, a 22.7% advantage. The same delta appears in Cinebench R20 multi-core, where the Atom scores 1849 versus 1507, again a 22.7% lead.

Single-core tests tell a similar story. In Cinebench R20 single-core, the Atom scores 260 versus 212, a 22.6% margin. In Cinebench R23 single-core, the Atom scores 621 versus 506, a 22.7% margin. The near-identical deltas across all tests suggest a consistent architectural efficiency advantage for the Atom, rather than a workload-specific quirk.

The biggest absolute difference is in Cinebench R23 multi-core, where the Atom leads by 814 points (4403 vs 3589). The smallest absolute difference is in Cinebench R15 multi-core, where the Atom leads by 82 points (443 vs 361). Proportionally, though, every test shows roughly the same 22.7% gap.

The database records 5 wins for the Atom x7425E and 0 wins for the Pentium Gold G6600. No test in the head-to-head set favors the Pentium Gold. This uniformity is notable: it indicates that the Atom's performance advantage is not limited to multi-threaded scaling but extends equally to single-threaded responsiveness.

Specification Differences

The core and thread counts differ significantly. The Atom x7425E has 4 cores and 4 threads, while the Pentium Gold G6600 has 2 cores and 4 threads. This means the Atom has double the physical cores, though both handle four threads total.

Clock speeds also diverge sharply. The Atom has a base clock of 1.50 GHz with a boost clock of 3.40 GHz. The Pentium Gold has a base clock of 4.20 GHz and no boost clock listed. The Pentium Gold's base clock is nearly three times higher than the Atom's, yet the Atom still wins all benchmarks, suggesting the Atom's newer architecture more than compensates for the clock deficit.

TDP is another major differentiator. The Atom is rated at 12 watts, while the Pentium Gold is rated at 58 watts. This nearly fivefold difference has implications for cooling and power delivery.

Sockets differ: the Atom uses Intel BGA 1264, while the Pentium Gold uses Intel Socket 1200. This means they are not interchangeable in the same motherboard.

Memory support differs: the Atom supports DDR4 and DDR5 with a single-channel bus and 38.4 GB/s bandwidth. The Pentium Gold supports only DDR4 with a dual-channel bus and 42.7 GB/s bandwidth. The Pentium Gold has the higher memory bandwidth, despite the Atom having more memory type flexibility.

PCIe lanes differ: the Atom offers Gen 3 with 9 lanes, while the Pentium Gold offers Gen 3 with 16 lanes. The Pentium Gold provides more expansion capability.

Integrated graphics differ: the Atom has UHD Graphics 24EU, while the Pentium Gold has UHD Graphics 630.

The process nodes differ: the Atom is built on 10 nm, while the Pentium Gold uses 14 nm. This explains part of the Atom's efficiency advantage.

Architecture Differences

The Atom x7425E is based on Alder Lake architecture with the Alder Lake-N codename, belonging to the Atom (Gracemont) generation. The Pentium Gold G6600 uses Comet Lake architecture with the same codename, belonging to the Pentium Gold (Comet Lake) generation.

The process nodes reflect the generational gap. The Atom uses a 10 nm Intel process, while the Pentium Gold uses a 14 nm Intel process. This smaller node likely contributes to the Atom's dramatically lower TDP (12 watts versus 58 watts) while still delivering higher benchmark scores.

Cache structures differ notably. The Atom has 96 KB of L1 cache per core, 2 MB of shared L2 cache, and 6 MB of shared L3 cache. The Pentium Gold has 64 KB of L1 per core, 256 KB of L2 per core, and 4 MB of shared L3 cache. The Atom has more total L2 and L3 cache despite having more cores to share it across.

The memory architecture differs as well. The Atom supports both DDR4 and DDR5, while the Pentium Gold only supports DDR4. The Atom uses a single-channel memory bus, while the Pentium Gold uses dual-channel. Despite this, the Atom records higher benchmark scores, indicating that its memory bandwidth is sufficient for its workload profile.

The release dates are far apart. The Atom x7425E was released in January 2023, while the Pentium Gold G6600 was released in April 2020. The three-year gap explains the architectural advancements, including the smaller process node and newer core design.

The Atom's integrated graphics are listed as UHD Graphics 24EU, while the Pentium Gold has UHD Graphics 630. Neither is a discrete-class solution, but they are different graphics units.

The Verdict

The data points decisively to the Intel Atom x7425E as the superior performer in every recorded benchmark. Across all five Cinebench tests, the Atom leads by approximately 22.7%, a consistent and substantial margin. This is noteworthy given that the Pentium Gold G6600 has a much higher base clock (4.20 GHz versus 1.50 GHz) and higher memory bandwidth (42.7 GB/s versus 38.4 GB/s). The Atom's 10 nm process, four physical cores, and larger cache configuration appear to overcome these disadvantages.

The Atom x7425E is also far more power-efficient, with a TDP of 12 watts versus 58 watts for the Pentium Gold. This makes the Atom well-suited for mobile or low-power applications, while the Pentium Gold's higher TDP and desktop socket suggest a traditional desktop role.

For users prioritizing Cinebench-style rendering performance, the Atom x7425E is the clear choice. Its 35th percentile ranking versus the Pentium Gold's 34th percentile confirms its slight overall edge in the database's broader comparisons. The nearest rivals for the Atom include the Intel Core i5-4430S and Core i5-4670T, while the Pentium Gold's nearest rivals include the Core i3-8109U and Xeon E3-1235L v5. Both processors sit in a similar performance tier, but the Atom sits slightly higher.

The Pentium Gold G6600 might still appeal to users who need dual-channel memory, more PCIe lanes (16 versus 9), or a desktop platform with a conventional socket. Its higher base clock could be relevant in workloads not captured by the Cinebench suite, though the recorded data shows no such advantage. For anyone choosing based on the available benchmark results, the Atom x7425E wins every comparison, and the only question is whether platform features like socket type and memory channel count outweigh the measured performance gap. Based on the data alone, the Atom x7425E is the stronger processor.