Ryzen 7 5800X vs Pentium III 1400
Ryzen 7 5800X
Pentium III 1400
Popular choices:
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 Pentium III 1400
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 7 5800X | Pentium III 1400 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($180) | ✅ More affordable ($20) |
| Longevity | ✨ Modern (Vermeer (Zen 3) (2020−2022) / 7 nm, 12 nm) | 🛑 Legacy (Tualatin (2000−2002) / 130 nm) |
💎 Value Proposition
| Insight | Ryzen 7 5800X | Pentium III 1400 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+1250%) | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($180) | ✅ More affordable ($20) |
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 Pentium III 1400
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.
Pentium III 1400
The Pentium III 1400 is manufactured by Intel. It was released in 2007-01-01. It is based on the Tualatin (2000−2002) architecture. It features 1 cores and 1 threads. Max frequency: 1.4 GHz. L3 cache: 0 kB. L2 cache: 256 kB. Built on 130 nm process technology. Socket: PGA370. Thermal design power (TDP): 31 Watt. Passmark benchmark score: 228 points. Launch price was $69.
Processing Power
The Ryzen 7 5800X packs 8 cores / 16 threads, while the Pentium III 1400 offers 1 cores / 1 threads — the Ryzen 7 5800X has 7 more cores. Boost clocks reach 4.7 GHz on the Ryzen 7 5800X versus 1.4 GHz on the Pentium III 1400 — a 108.2% clock advantage for the Ryzen 7 5800X. The Ryzen 7 5800X uses the Vermeer (Zen 3) (2020−2022) architecture (7 nm, 12 nm), while the Pentium III 1400 uses Tualatin (2000−2002) (130 nm). In PassMark, the Ryzen 7 5800X scores 27,712 against the Pentium III 1400's 228 — a 196.7% lead for the Ryzen 7 5800X. L3 cache: 32 MB on the Ryzen 7 5800X vs 0 kB on the Pentium III 1400.
| Feature | Ryzen 7 5800X | Pentium III 1400 |
|---|---|---|
| Cores / Threads | 8 / 16+700% | 1 / 1 |
| Boost Clock | 4.7 GHz+236% | 1.4 GHz |
| Base Clock | 3.8 GHz | — |
| L3 Cache | 32 MB | 0 kB |
| L2 Cache | 512K (per core)+100% | 256 kB |
| Process | 7 nm, 12 nm-95% | 130 nm |
| Architecture | Vermeer (Zen 3) (2020−2022) | Tualatin (2000−2002) |
| PassMark | 27,712+12054% | 228 |
Memory & Platform
The Ryzen 7 5800X uses the AM4 socket (PCIe 4.0), while the Pentium III 1400 uses PGA370 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Ryzen 7 5800X | Pentium III 1400 |
|---|---|---|
| Socket | AM4 | PGA370 |
| PCIe Generation | PCIe 4.0+264% | PCIe 1.1 |
| Max RAM Speed | DDR4-3200 | — |
| Max RAM Capacity | 128 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ✅ | — |
| PCIe Lanes | 24 | — |
Advanced Features
Virtualization: AMD-V (Ryzen 7 5800X) / not specified (Pentium III 1400). Primary use case: Ryzen 7 5800X targets Desktop.
| Feature | Ryzen 7 5800X | Pentium III 1400 |
|---|---|---|
| Integrated GPU | No | — |
| Unlocked | Yes | — |
| AVX-512 | No | — |
| Virtualization | AMD-V | — |
| Target Use | Desktop | — |
Value Analysis
The Ryzen 7 5800X launched at $449 MSRP, while the Pentium III 1400 debuted at $250. At current prices ($180 vs $20), the Pentium III 1400 is $160 cheaper. In terms of value (PassMark points per dollar), the Ryzen 7 5800X delivers 154.0 pts/$ vs 11.4 pts/$ for the Pentium III 1400 — making the Ryzen 7 5800X the 172.4% better value option.
| Feature | Ryzen 7 5800X | Pentium III 1400 |
|---|---|---|
| MSRP | $449 | $250-44% |
| Avg Price (30d) | $180 | $20-89% |
| Performance per Dollar | 154.0+1251% | 11.4 |
| Release Date | 2020 | 2001 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on Ryzen 7 5800X and Pentium III 1400
