Ryzen 7 5800X vs FX-4350
Ryzen 7 5800X
FX-4350
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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 7 5800X
Performance Per Dollar FX-4350
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 7 5800X | FX-4350 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($180) | ✅ More affordable ($140) |
| Longevity | ✨ Modern (Vermeer (Zen 3) (2020−2022) / 7 nm, 12 nm) | 🛑 Legacy (Vishera (2012−2015) / 32 nm) |
💎 Value Proposition
| Insight | Ryzen 7 5800X | FX-4350 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+577%) | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($180) | ✅ More affordable ($140) |
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 7 5800X and FX-4350
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.
FX-4350
The FX-4350 is manufactured by AMD. It was released in 29 April 2013 (12 years ago). It is based on the Vishera (2012−2015) architecture. It features 4 cores and 4 threads. Base frequency is 4.2 GHz, with boost up to 4.3 GHz. L2 cache: 4096 kB. Built on 32 nm process technology. Socket: AM3+. Thermal design power (TDP): 125 Watt. Memory support: DDR3. Passmark benchmark score: 3,184 points. Launch price was $69.
Processing Power
The Ryzen 7 5800X packs 8 cores / 16 threads, while the FX-4350 offers 4 cores / 4 threads — the Ryzen 7 5800X has 4 more cores. Boost clocks reach 4.7 GHz on the Ryzen 7 5800X versus 4.3 GHz on the FX-4350 — a 8.9% clock advantage for the Ryzen 7 5800X (base: 3.8 GHz vs 4.2 GHz). The Ryzen 7 5800X uses the Vermeer (Zen 3) (2020−2022) architecture (7 nm, 12 nm), while the FX-4350 uses Vishera (2012−2015) (32 nm). In PassMark, the Ryzen 7 5800X scores 27,712 against the FX-4350's 3,184 — a 158.8% lead for the Ryzen 7 5800X.
| Feature | Ryzen 7 5800X | FX-4350 |
|---|---|---|
| Cores / Threads | 8 / 16+100% | 4 / 4 |
| Boost Clock | 4.7 GHz+9% | 4.3 GHz |
| Base Clock | 3.8 GHz | 4.2 GHz+11% |
| L3 Cache | 32 MB | — |
| L2 Cache | 512K (per core) | 4096 kB+700% |
| Process | 7 nm, 12 nm-78% | 32 nm |
| Architecture | Vermeer (Zen 3) (2020−2022) | Vishera (2012−2015) |
| PassMark | 27,712+770% | 3,184 |
| Geekbench 6 Single | — | 504 |
| Geekbench 6 Multi | — | 1,289 |
Memory & Platform
The Ryzen 7 5800X uses the AM4 socket (PCIe 4.0), while the FX-4350 uses AM3+ (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen 7 5800X versus DDR3-1866 on the FX-4350 — the Ryzen 7 5800X supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 7 5800X supports up to 128 GB of RAM compared to 32 GB — 120% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 24 (Ryzen 7 5800X) vs 16 (FX-4350) — the Ryzen 7 5800X offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD 500 series,AMD 400 series,AMD 300 series (Ryzen 7 5800X) and AMD 970,990X,990FX (FX-4350).
| Feature | Ryzen 7 5800X | FX-4350 |
|---|---|---|
| Socket | AM4 | AM3+ |
| PCIe Generation | PCIe 4.0+100% | PCIe 2.0 |
| Max RAM Speed | DDR4-3200+33% | DDR3-1866 |
| Max RAM Capacity | 128 GB+300% | 32 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 24+50% | 16 |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Both support AMD-V virtualization. Primary use case: Ryzen 7 5800X targets Desktop, FX-4350 targets Gaming.
| Feature | Ryzen 7 5800X | FX-4350 |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | Yes | Yes |
| AVX-512 | No | No |
| Virtualization | AMD-V | AMD-V |
| Target Use | Desktop | Gaming |
Value Analysis
The Ryzen 7 5800X launched at $449 MSRP, while the FX-4350 debuted at $122. At current prices ($180 vs $140), the FX-4350 is $40 cheaper. In terms of value (PassMark points per dollar), the Ryzen 7 5800X delivers 154.0 pts/$ vs 22.7 pts/$ for the FX-4350 — making the Ryzen 7 5800X the 148.5% better value option.
| Feature | Ryzen 7 5800X | FX-4350 |
|---|---|---|
| MSRP | $449 | $122-73% |
| Avg Price (30d) | $180 | $140-22% |
| Performance per Dollar | 154.0+578% | 22.7 |
| Release Date | 2020 | 2013 |
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