Intel Celeron G6900 vs Intel Core i9-9900X Comparison

The database presents an unusual pairing: Intel's entry-level Celeron G6900 and the Core i9-9900X, a ten-core X-Series part. On the surface this looks like a mismatch, and the direct head-to-head results confirm it, yet the overall database percentiles tell a subtler story. The Celeron sits in the 61st percentile against all recorded CPUs with an average benchmark score of 5561, while the i9-9900X sits at the 60th percentile with an average of 5301. How can a two-core budget chip rank alongside a former flagship? The answer lies in which tests each chip has recorded, and that question shapes everything that follows.

The Verdict

The data splits cleanly along workload lines. Anyone whose tasks are multi-threaded, rendering-oriented, or memory-bandwidth-hungry should choose the Core i9-9900X: it wins every single head-to-head benchmark, sweeping all six Cinebench comparisons by a staggering 79.3 percent margin each time. Its 10 cores and 20 threads against the Celeron's 2 cores and 2 threads produce results that are not close.

The Celeron G6900, however, is not without its own argument. Its percentile of 61 versus the i9's 60 is a curiosity worth interrogating. The recorded data shows the Celeron competing in a different neighborhood than raw head-to-head numbers imply: its nearest rivals by average score include the Intel Core i9-10900X (average score 5555, just 0.1 percent apart), the Core i9-11900KB (5587, 0.5 percent apart), the Atom x7433RE (5601), and the Core i7-12700T (5606). The i9-9900X's rivals, meanwhile, include the AMD Ryzen Threadripper 1920X (5306), the AMD EPYC 7281 (5315), and the Intel Core i9-10900KF (5316), all within a fraction of a percent. These rival clusters suggest the two chips were measured across different suites, so cross-suite percentile comparisons deserve caution.

For platform builders, the choice is also about longevity. The Celeron is an active product on Intel Socket 1700 with PCIe Gen 5 support; the i9-9900X is end-of-life, locked to Intel Socket 2066 with PCIe Gen 3. Efficiency matters too: a 46 W TDP against 165 W is a dramatic gap, favoring the Celeron where power draw is a constraint.

Architecture Differences

These two chips come from different eras of Intel silicon. The Celeron G6900 is built on the Alder Lake architecture (codename Alder Lake-S) on a 10 nm process at Intel's own foundry, released in January 2022. The Core i9-9900X dates to October 2018, using the Skylake architecture (codename Skylake-X) on a 14 nm process, also from Intel's foundry.

The core counts diverge sharply: 2 cores and 2 threads for the Celeron versus 10 cores and 20 threads for the i9. Clock behavior differs as well. The Celeron lists a base clock of 3.40 GHz with no boost clock recorded, while the i9-9900X starts at a 3.50 GHz base and boosts to 4.50 GHz. Notably, the i9 has an unlocked multiplier, opening overclocking as an option; the Celeron's multiplier is locked.

Cache design reflects each part's positioning. The Celeron carries 80 KB of L1 per core, 1.25 MB of L2 per core, and 4 MB of shared L3. The i9-9900X has 64 KB of L1 per core, 1 MB of L2 per core, and a much larger 19.25 MB of shared L3, an advantage that grows more meaningful as core count rises.

Memory support is another dividing line. The Celeron accepts both DDR4 and DDR5 on a dual-channel bus. The i9-9900X supports only DDR4, but on a quad-channel bus with a recorded memory bandwidth of 85.3 GB/s. The i9 also brings 44 PCIe lanes directly from the CPU, albeit at Gen 3 speed, versus the Celeron's Gen 5 interface. One feature the Celeron holds alone is integrated graphics: its UHD Graphics 710 contrasts with the i9-9900X, which has no integrated GPU and requires a discrete card. Neither chip supports ECC memory.

Where Each One Wins

The i9-9900X wins every shared benchmark, full stop. In Cinebench R23 multi-core it posts 18365 against the Celeron's 3808; in Cinebench R20 multi-core it records 7713 versus 1599; in R15 multi-core it lands 1851 versus 383. Single-core results follow the same pattern: 2592 versus 537 in R23, 1088 versus 225 in R20, and 261 versus 54 in R15. Each of these six comparisons shows a 79.3 percent gap in the i9's favor. For rendering, encoding-heavy work, or anything that scales with threads, the i9 is the clear pick.

So where does the Celeron win? Not in any recorded head-to-head test, but the database still offers three qualitative arguments. First, thermals and power: at 46 W TDP versus 165 W, it operates in an entirely different envelope, relevant for compact or low-draw builds. Second, platform currency: PCIe Gen 5, DDR5 support, and active production status on Socket 1700 mean a modern upgrade path, while the i9's Socket 2066 platform is end-of-life. Third, its own recorded suite shows competence in its class, with a PassMark single-thread score of 2709 and a data compression score of 44464, plus a 61st percentile placement against the entire database. The percentile near-parity with the i9 (61 versus 60) is the data's most intriguing puzzle: two chips separated by nearly 80 percent in direct testing land within one percentile point of each other overall. Different test coverage is the most plausible explanation the data permits.

FAQ

Q: Is the Core i9-9900X faster than the Celeron G6900?

A: Yes, in every shared benchmark. It wins all six head-to-head Cinebench tests, each by 79.3 percent.

Q: How can their overall percentiles be nearly identical if one wins every comparison?

A: The Celeron ranks in the 61st percentile with an average benchmark score of 5561, while the i9-9900X sits at the 60th percentile with 5301. The recorded test sets differ, and percentile comparisons across different suites can be misleading.

Q: Which chip supports newer memory?

A: The Celeron G6900 supports both DDR4 and DDR5 on a dual-channel bus. The i9-9900X supports only DDR4, though on a quad-channel bus with 85.3 GB/s of recorded bandwidth.

Q: Can either chip be overclocked?

A: The i9-9900X has an unlocked multiplier. The Celeron G6900 does not.

Q: Do these chips have integrated graphics?

A: The Celeron includes UHD Graphics 710. The i9-9900X has no integrated graphics and requires a discrete graphics card.

Q: Are both chips still in production?

A: No. The Celeron G6900 is listed as active. The i9-9900X is end-of-life.

Head-to-Head Benchmarks

Every direct comparison in the database favors the Core i9-9900X, and by an identical margin. Cinebench R23 multi-core is the headline result: 18365 for the i9 against 3808 for the Celeron. That same 79.3 percent gap repeats in R23 single-core, 2592 versus 537, which is the most telling number of the group. Even with just one active workload thread, the i9's per-core capability dwarfs the Celeron's, meaning the gap is not purely a thread-count artifact.

Cinebench R20 mirrors the pattern: 7713 versus 1599 in multi-core, and 1088 versus 225 in single-core. Cinebench R15 closes the set with 1851 versus 383 multi-core and 261 versus 54 single-core. The database records zero wins for the Celeron across all six tests (winsA of 0, winsB of 6).

Worth noting is that the i9's own single-core scores remain competitive against much newer chips: its Geekbench single-core result of 1429 and multi-core result of 9109 anchor its rival cluster alongside the Ryzen Threadripper 1920X (5306 average) and the Core i9-10900KF (5316). The Celeron's PassMark suite, including 2709 single-thread and 4488 multithread scores, places it near the Core i9-10900X (5555) and Core i7-12700T (5606) by average score, a proximity that again reflects suite composition rather than direct equivalence.

Specification Differences

• Cores/Threads: 2 cores, 2 threads (G6900) versus 10 cores, 20 threads (9900X)
• Clocks: 3.40 GHz base with no recorded boost (G6900) versus 3.50 GHz base and 4.50 GHz boost (9900X)
• TDP: 46 W versus 165 W
• Socket: Intel Socket 1700 versus Intel Socket 2066
• Architecture/Codename: Alder Lake, Alder Lake-S versus Skylake, Skylake-X
• Process node: 10 nm versus 14 nm
• Generation: Celeron (Alder Lake-S) versus Core i9 (X-Series 9th Gen)
• Cache: 80 KB L1 per core, 1.25 MB L2 per core, 4 MB shared L3 versus 64 KB L1 per core, 1 MB L2 per core, 19.25 MB shared L3
• Memory: DDR4 and DDR5, dual-channel versus DDR4 only, quad-channel with 85.3 GB/s bandwidth
• PCIe: Gen 5 versus Gen 3 with 44 CPU lanes
• Integrated graphics: UHD Graphics 710 versus none
• Multiplier: locked versus unlocked
• Release date: January 2022 versus October 2018
• Production status: Active versus End-of-life
• Launch MSRP: $52 versus $989
• Part number: SRL67 versus SREZ7

The specification sheet frames the benchmark story precisely: one chip trades raw throughput for efficiency, a modern platform, and integrated graphics, while the other delivers overwhelming multi-core performance from an older, hotter, now-retired design. The data supports either choice, depending entirely on which of those trade-offs a build can absorb.