
Atom C3538 vs Ryzen 9 5900X

Atom C3538

Ryzen 9 5900X
Performance Spectrum - CPU
About PassMark
PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. The Atom C3538 is positioned at rank #389 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Atom C3538
Performance Per Dollar Ryzen 9 5900X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Atom C3538 | Ryzen 9 5900X |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($350) |
| Longevity | ✨ Modern (Goldmont (2016−2017) / 14 nm) | ✨ Modern (Vermeer (Zen3) (2020−2022) / 7 nm, 12 nm) |
💎 Value Proposition
| Insight | Atom C3538 | Ryzen 9 5900X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($350) |
Performance Check
To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.
Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.
Technical Specifications
Side-by-side comparison of Atom C3538 and Ryzen 9 5900X

Atom C3538
The Atom C3538 is manufactured by Intel. It was released in 15 August 2017 (8 years ago). It is based on the Goldmont (2016−2017) architecture. It features 4 cores and 4 threads. Base frequency is 2.1 GHz, with boost up to 2.1 GHz. L3 cache: 8 MB. L2 cache: 8 MB. Built on 14 nm process technology. Socket: FCBGA1310. Thermal design power (TDP): 15 Watt. Memory support: DDR4: 2133. Passmark benchmark score: 1,910 points. Launch price was $75.

Ryzen 9 5900X
The Ryzen 9 5900X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen3) (2020−2022) architecture. It features 12 cores and 24 threads. Base frequency is 3.7 GHz, with boost up to 4.8 GHz. L3 cache: 64 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4-3200. Passmark benchmark score: 38,955 points. Launch price was $549.
Processing Power
The Atom C3538 packs 4 cores / 4 threads, while the Ryzen 9 5900X offers 12 cores / 24 threads — the Ryzen 9 5900X has 8 more cores. Boost clocks reach 2.1 GHz on the Atom C3538 versus 4.8 GHz on the Ryzen 9 5900X — a 78.3% clock advantage for the Ryzen 9 5900X (base: 2.1 GHz vs 3.7 GHz). The Atom C3538 uses the Goldmont (2016−2017) architecture (14 nm), while the Ryzen 9 5900X uses Vermeer (Zen3) (2020−2022) (7 nm, 12 nm). In PassMark, the Atom C3538 scores 1,910 against the Ryzen 9 5900X's 38,955 — a 181.3% lead for the Ryzen 9 5900X. L3 cache: 8 MB on the Atom C3538 vs 64 MB on the Ryzen 9 5900X.
| Feature | Atom C3538 | Ryzen 9 5900X |
|---|---|---|
| Cores / Threads | 4 / 4 | 12 / 24+200% |
| Boost Clock | 2.1 GHz | 4.8 GHz+129% |
| Base Clock | 2.1 GHz | 3.7 GHz+76% |
| L3 Cache | 8 MB | 64 MB+700% |
| L2 Cache | 8 MB+1500% | 512K (per core) |
| Process | 14 nm | 7 nm, 12 nm-50% |
| Architecture | Goldmont (2016−2017) | Vermeer (Zen3) (2020−2022) |
| PassMark | 1,910 | 38,955+1940% |
| Cinebench R23 Multi | — | 21,000 |
| Geekbench 6 Single | — | 2,174 |
| Geekbench 6 Multi | — | 11,888 |
Memory & Platform
The Atom C3538 uses the FCBGA1310 socket (PCIe 3.0), while the Ryzen 9 5900X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to DDR4-2133 memory speed. The Atom C3538 supports up to 256 GB of RAM compared to 128 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 12 (Atom C3538) vs 24 (Ryzen 9 5900X) — the Ryzen 9 5900X offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel FCBGA1310 (Atom C3538) and A320,B350,X370,B450,X470,B550,X570 (Ryzen 9 5900X).
| Feature | Atom C3538 | Ryzen 9 5900X |
|---|---|---|
| Socket | FCBGA1310 | AM4 |
| PCIe Generation | PCIe 3.0 | PCIe 4.0+33% |
| Max RAM Speed | DDR4-2133 | DDR4-3200 |
| Max RAM Capacity | 256 GB+100% | 128 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 12 | 24+100% |
Advanced Features
Virtualization: not specified (Atom C3538) / AMD-V (Ryzen 9 5900X). Primary use case: Ryzen 9 5900X targets Workstation. Direct competitor: Ryzen 9 5900X rivals Core i9-12900K.
| Feature | Atom C3538 | Ryzen 9 5900X |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | — | Yes |
| AVX-512 | — | No |
| Virtualization | — | AMD-V |
| Target Use | — | Workstation |
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