
Pentium Gold G5420 vs Ryzen 7 5800X

Pentium Gold G5420
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Ryzen 7 5800X
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
Performance Per Dollar Ryzen 7 5800X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium Gold G5420 | Ryzen 7 5800X |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($180) |
| Longevity | ✨ Modern (Coffee Lake (2017−2019) / 14 nm) | ✨ Modern (Vermeer (Zen 3) (2020−2022) / 7 nm, 12 nm) |
💎 Value Proposition
| Insight | Pentium Gold G5420 | Ryzen 7 5800X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($180) |
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 Pentium Gold G5420 and Ryzen 7 5800X

Pentium Gold G5420
The Pentium Gold G5420 is manufactured by Intel. It was released in 23 April 2019 (6 years ago). It is based on the Coffee Lake (2017−2019) architecture. It features 2 cores and 4 threads. Base frequency is 3.8 GHz, with boost up to 3.8 GHz. L3 cache: 4 MB. L2 cache: 512 kB. Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 54 Watt. Memory support: DDR4-2400. Passmark benchmark score: 3,700 points. Launch price was $64.

Ryzen 7 5800X
The Ryzen 7 5800X 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 8 cores and 16 threads. Base frequency is 3.8 GHz, with boost up to 4.7 GHz. L3 cache: 32 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. Passmark benchmark score: 27,712 points. Launch price was $449.
Processing Power
The Pentium Gold G5420 packs 2 cores / 4 threads, while the Ryzen 7 5800X offers 8 cores / 16 threads — the Ryzen 7 5800X has 6 more cores. Boost clocks reach 3.8 GHz on the Pentium Gold G5420 versus 4.7 GHz on the Ryzen 7 5800X — a 21.2% clock advantage for the Ryzen 7 5800X (base: 3.8 GHz vs 3.8 GHz). The Pentium Gold G5420 uses the Coffee Lake (2017−2019) architecture (14 nm), while the Ryzen 7 5800X uses Vermeer (Zen 3) (2020−2022) (7 nm, 12 nm). In PassMark, the Pentium Gold G5420 scores 3,700 against the Ryzen 7 5800X's 27,712 — a 152.9% lead for the Ryzen 7 5800X. L3 cache: 4 MB on the Pentium Gold G5420 vs 32 MB on the Ryzen 7 5800X.
| Feature | Pentium Gold G5420 | Ryzen 7 5800X |
|---|---|---|
| Cores / Threads | 2 / 4 | 8 / 16+300% |
| Boost Clock | 3.8 GHz | 4.7 GHz+24% |
| Base Clock | 3.8 GHz | 3.8 GHz |
| L3 Cache | 4 MB | 32 MB+700% |
| L2 Cache | 512 kB | 512K (per core) |
| Process | 14 nm | 7 nm, 12 nm-50% |
| Architecture | Coffee Lake (2017−2019) | Vermeer (Zen 3) (2020−2022) |
| PassMark | 3,700 | 27,712+649% |
| Geekbench 6 Single | 764 | — |
| Geekbench 6 Multi | 1,515 | — |
Memory & Platform
The Pentium Gold G5420 uses the LGA1151 socket (PCIe 3.0), while the Ryzen 7 5800X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to DDR4-2400 memory speed. The Ryzen 7 5800X supports up to 128 GB of RAM compared to 64 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Pentium Gold G5420) vs 24 (Ryzen 7 5800X) — the Ryzen 7 5800X offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H310,B360,B365,H370,Z370,Z390 (Pentium Gold G5420) and AMD 500 series,AMD 400 series,AMD 300 series (Ryzen 7 5800X).
| Feature | Pentium Gold G5420 | Ryzen 7 5800X |
|---|---|---|
| Socket | LGA1151 | AM4 |
| PCIe Generation | PCIe 3.0 | PCIe 4.0+33% |
| Max RAM Speed | DDR4-2400 | DDR4-3200 |
| Max RAM Capacity | 64 GB | 128 GB+100% |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 16 | 24+50% |
Advanced Features
Only the Ryzen 7 5800X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: VT-x / VT-d / EPT (Pentium Gold G5420) vs AMD-V (Ryzen 7 5800X). The Pentium Gold G5420 includes integrated graphics (Intel UHD Graphics 610), while the Ryzen 7 5800X requires a dedicated GPU. Primary use case: Pentium Gold G5420 targets Office, Ryzen 7 5800X targets Desktop.
| Feature | Pentium Gold G5420 | Ryzen 7 5800X |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Intel UHD Graphics 610 | — |
| Unlocked | No | Yes |
| AVX-512 | No | No |
| Virtualization | VT-x / VT-d / EPT | AMD-V |
| Target Use | Office | Desktop |
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