CPU Comparison

The Intel Atom x7433RE and Intel Core i9-10900X occupy opposite ends of Intel’s spectrum, and the benchmark data reflects that chasm. The Core i9-10900X wins every single head-to-head comparison, yet both processors share the same 61st percentile ranking among all CPUs. This is a matchup defined by raw throughput versus extreme efficiency, and the data shows the i9-10900X is the undisputed performance king, while the Atom x7433RE offers a fundamentally different value proposition based on power and physical footprint.

Where Each One Wins

The data is unambiguous: the Intel Core i9-10900X wins all five shared benchmark comparisons. In Cinebench R23 multi-core, the i9-10900X scores 18,957 versus the Atom’s 3,535, an 81.4% advantage. The same 81.4% delta appears across every head-to-head test, including Cinebench R15 multi-core (1,910 vs 356), R20 multi-core (7,961 vs 1,484), R20 single-core (1,123 vs 209), and R23 single-core (2,676 vs 499). This consistency indicates a complete performance sweep across both multi-threaded and single-threaded workloads.

However, the Atom x7433RE wins where the provided benchmarks do not directly measure: power consumption and integration. With a 9-watt TDP, the Atom operates at a fraction of the i9-10900X’s 165-watt TDP. The Atom also integrates UHD Graphics 32EU, whereas the Core i9-10900X has no integrated graphics. The Atom’s market segment is Mobile, and it uses the compact Intel BGA 1264 socket, making it suitable for embedded and low-power systems. The i9-10900X is a Desktop part on the massive Intel Socket 2066 platform. For workloads that prioritize multi-core rendering or heavy computation, the i9-10900X is the clear winner. For fanless or battery-powered designs where every watt counts, the Atom’s 9-watt envelope is its primary advantage.

Architecture Differences

The two processors are built on fundamentally different architectures. The Atom x7433RE uses the Amston Lake architecture with Gracemont cores on a 10 nm process node. It features 4 cores and 4 threads, with a base clock of 1.50 GHz and a boost clock of 3.40 GHz. Its cache hierarchy includes 96 KB of L1 per core, 2 MB of shared L2, and 6 MB of shared L3. The Atom supports both DDR4 and DDR5 memory but only through a single-channel memory bus, with a memory bandwidth of 38.4 GB/s. It provides PCIe Gen 3 with 9 lanes (CPU only) and includes integrated UHD Graphics 32EU. It is not multiplier unlocked.

The Core i9-10900X uses the Cascade Lake architecture (specifically Cascade Lake-X) on a 14 nm process node. It offers 10 cores and 20 threads, with a base clock of 3.70 GHz and a boost clock of 4.70 GHz. Its cache configuration differs significantly: 64 KB of L1 per core, 1 MB of L2 per core, and a much larger 19.25 MB of shared L3. The i9-10900X supports only DDR4 memory but through a quad-channel memory bus, which provides substantially higher memory bandwidth potential (though the exact figure is not listed in the data). It uses PCIe Gen 3 without a specified lane count and has no integrated graphics. It is multiplier unlocked, allowing overclocking.

The core count difference (4 vs 10) and thread count difference (4 vs 20) explain the massive multi-core benchmark gaps. The i9-10900X also has a higher boost clock (4.70 GHz vs 3.40 GHz), which contributes to its single-core advantage. The process node difference (10 nm vs 14 nm) explains how the Atom achieves a 9-watt TDP despite running at competitive clock speeds. The memory channel disparity (single vs quad) is another major architectural divider, impacting memory-intensive workloads.

The Verdict

The verdict is straightforward based on the data: the Intel Core i9-10900X is the superior processor for any performance-oriented task. It wins 100% of the head-to-head benchmarks, with an 81.4% lead in every test. Its 10 cores and 20 threads, combined with a 4.70 GHz boost clock and 19.25 MB of L3 cache, make it the only choice for multi-threaded rendering, video encoding, or heavy computational workloads. The i9-10900X also wins in single-threaded performance, scoring 2,676 in Cinebench R23 single-core versus the Atom’s 499.

The Intel Atom x7433RE is not a competitor in raw performance. Its 4 cores, 4 threads, and single-channel memory limit it to lightweight tasks. However, its 9-watt TDP and integrated graphics make it suitable for embedded systems, industrial PCs, or low-power appliances where the i9-10900X’s 165-watt TDP is infeasible. The Atom’s 61st percentile ranking, identical to the i9-10900X, is an artifact of the average benchmark score calculation, not an indication of comparable performance.

Users should pick the Core i9-10900X if they need maximum compute throughput and have adequate cooling and power delivery. Users should pick the Atom x7433RE only if their primary constraint is power consumption or physical size, and their workload is minimal. There is no middle ground in this comparison.

FAQ

Q: Which processor has a higher multi-core benchmark score?

A: The Intel Core i9-10900X. In Cinebench R23 multi-core, it scores 18,957 versus the Intel Atom x7433RE’s 3,535, an 81.4% difference.

Q: What is the TDP difference between the two processors?

A: The Intel Atom x7433RE has a TDP of 9 watts, while the Intel Core i9-10900X has a TDP of 165 watts.

Q: Does the Atom x7433RE have integrated graphics?

A: Yes, the Atom x7433RE includes UHD Graphics 32EU. The Core i9-10900X has no integrated graphics.

Q: Which processor supports DDR5 memory?

A: Only the Intel Atom x7433RE supports DDR5 (alongside DDR4). The Intel Core i9-10900X supports only DDR4.

Q: How many cores and threads does each processor have?

A: The Intel Atom x7433RE has 4 cores and 4 threads. The Intel Core i9-10900X has 10 cores and 20 threads.

Q: Which processor is unlocked for overclocking?

A: The Intel Core i9-10900X has an unlocked multiplier. The Intel Atom x7433RE is not multiplier unlocked.

Head-to-Head Benchmarks

The head-to-head data reveals a perfect sweep for the Intel Core i9-10900X. In every single test, the i9-10900X wins with an identical 81.4% deltaPct advantage. This uniformity suggests that the performance gap is structural, stemming from core count, thread count, and clock speed differences, rather than workload-specific optimizations.

The largest absolute gap is in Cinebench R23 multi-core, where the i9-10900X scores 18,957 versus the Atom’s 3,535. This 15,422-point difference is explained by the i9-10900X having 10 cores and 20 threads versus the Atom’s 4 cores and 4 threads. The multi-core Cinebench R20 test shows a similar story: 7,961 for the i9-10900X against 1,484 for the Atom.

Single-core results are equally lopsided. In Cinebench R23 single-core, the i9-10900X scores 2,676 versus 499 for the Atom. The i9-10900X’s higher boost clock of 4.70 GHz, compared to the Atom’s 3.40 GHz, is the primary driver. The Cinebench R20 single-core test shows 1,123 versus 209, and the R15 multi-core test shows 1,910 versus 356.

The Atom x7433RE has no benchmark wins in this comparison. Its passmark scores, while not part of the head-to-head set, show its strengths in specific tasks: 43,671 in data compression, 13,054 in integer math, and 8,582 in floating point math. However, these scores do not appear in the shared benchmark suite, and the i9-10900X does not have corresponding passmark data in the fact pack. The data provided only allows for direct comparison in the five Cinebench tests, all of which favor the i9-10900X.

Specification Differences

The specification table highlights the extreme divergence between these two processors. The most significant difference is core count: the Atom x7433RE has 4 cores and 4 threads, while the Core i9-10900X has 10 cores and 20 threads. This 6-core and 16-thread difference is the primary driver of multi-core performance.

Clock speeds also differ substantially. The Atom has a base clock of 1.50 GHz and a boost clock of 3.40 GHz. The i9-10900X has a base clock of 3.70 GHz and a boost clock of 4.70 GHz. The i9-10900X’s base clock is higher than the Atom’s boost clock.

Cache configurations are distinct. The Atom uses 96 KB of L1 per core, 2 MB of shared L2, and 6 MB of shared L3. The i9-10900X uses 64 KB of L1 per core, 1 MB of L2 per core, and 19.25 MB of shared L3. The i9-10900X’s larger L3 cache (19.25 MB vs 6 MB) benefits workloads with large working sets.

Memory support differs. The Atom supports DDR4 and DDR5 with a single-channel memory bus and 38.4 GB/s bandwidth. The i9-10900X supports only DDR4 but with a quad-channel memory bus; its bandwidth figure is not listed. The Atom has 9 PCIe Gen 3 lanes (CPU only), while the i9-10900X has Gen 3 PCIe without a lane count. The Atom has integrated UHD Graphics 32EU; the i9-10900X has none.

Power and platform differences are extreme. The Atom has a 9-watt TDP, uses the Intel BGA 1264 socket, and is a Mobile segment part. The i9-10900X has a 165-watt TDP, uses the Intel Socket 2066, and is a Desktop part. The Atom is not multiplier unlocked; the i9-10900X is. The Atom was released in April 2024; the i9-10900X was released in October 2019. The Atom has a launch MSRP of $63; the i9-10900X has no listed launch MSRP in the data. The Atom uses a 10 nm process; the i9-10900X uses a 14 nm process. The Atom’s architecture is Amston Lake with Gracemont cores; the i9-10900X uses Cascade Lake-X.