Ryzen 5 5600X vs Pentium Gold 6405U
Ryzen 5 5600X
Pentium Gold 6405U
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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. 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 Ryzen 5 5600X
Performance Per Dollar Pentium Gold 6405U
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 5 5600X | Pentium Gold 6405U |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($135) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Vermeer (Zen 3) (2020−2022) / 7 nm, 12 nm) | ✨ Modern (Comet Lake-U (2019−2020) / 14 nm) |
💎 Value Proposition
| Insight | Ryzen 5 5600X | Pentium Gold 6405U |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($135) | ✅ More affordable ($0) |
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 Ryzen 5 5600X and Pentium Gold 6405U
Ryzen 5 5600X
The Ryzen 5 5600X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen 3) (2020−2022) architecture. It features 6 cores and 12 threads. Base frequency is 3.7 GHz, with boost up to 4.6 GHz. L3 cache: 32 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 21,845 points. Launch price was $299.
Pentium Gold 6405U
The Pentium Gold 6405U is manufactured by Intel. It was released in 31 October 2019 (6 years ago). It is based on the Comet Lake-U (2019−2020) architecture. It features 2 cores and 4 threads. Base frequency is 2.4 GHz, with boost up to 2.4 GHz. L3 cache: 2 MB. L2 cache: 1 MB. Built on 14 nm process technology. Socket: FCBGA1528. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 1,320 points. Launch price was $161.
Processing Power
The Ryzen 5 5600X packs 6 cores / 12 threads, while the Pentium Gold 6405U offers 2 cores / 4 threads — the Ryzen 5 5600X has 4 more cores. Boost clocks reach 4.6 GHz on the Ryzen 5 5600X versus 2.4 GHz on the Pentium Gold 6405U — a 62.9% clock advantage for the Ryzen 5 5600X (base: 3.7 GHz vs 2.4 GHz). The Ryzen 5 5600X uses the Vermeer (Zen 3) (2020−2022) architecture (7 nm, 12 nm), while the Pentium Gold 6405U uses Comet Lake-U (2019−2020) (14 nm). In PassMark, the Ryzen 5 5600X scores 21,845 against the Pentium Gold 6405U's 1,320 — a 177.2% lead for the Ryzen 5 5600X. L3 cache: 32 MB on the Ryzen 5 5600X vs 2 MB on the Pentium Gold 6405U.
| Feature | Ryzen 5 5600X | Pentium Gold 6405U |
|---|---|---|
| Cores / Threads | 6 / 12+200% | 2 / 4 |
| Boost Clock | 4.6 GHz+92% | 2.4 GHz |
| Base Clock | 3.7 GHz+54% | 2.4 GHz |
| L3 Cache | 32 MB+1500% | 2 MB |
| L2 Cache | 512K (per core) | 1 MB+100% |
| Process | 7 nm, 12 nm-50% | 14 nm |
| Architecture | Vermeer (Zen 3) (2020−2022) | Comet Lake-U (2019−2020) |
| PassMark | 21,845+1555% | 1,320 |
Memory & Platform
The Ryzen 5 5600X uses the AM4 socket (PCIe 4.0), while the Pentium Gold 6405U uses FCBGA1528 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Ryzen 5 5600X | Pentium Gold 6405U |
|---|---|---|
| Socket | AM4 | FCBGA1528 |
| PCIe Generation | PCIe 4.0+33% | PCIe 3.0 |
| Max RAM Speed | DDR4-3200 | — |
| Max RAM Capacity | 128 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ✅ | — |
| PCIe Lanes | 24 | — |
Advanced Features
Virtualization: AMD-V (Ryzen 5 5600X) / not specified (Pentium Gold 6405U). Primary use case: Ryzen 5 5600X targets Desktop.
| Feature | Ryzen 5 5600X | Pentium Gold 6405U |
|---|---|---|
| Integrated GPU | No | — |
| Unlocked | Yes | — |
| AVX-512 | No | — |
| Virtualization | AMD-V | — |
| Target Use | Desktop | — |
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