
Opteron 142 vs Ryzen 9 5900X

Opteron 142

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 Opteron 142 is positioned at rank #1025 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 Opteron 142
Performance Per Dollar Ryzen 9 5900X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Opteron 142 | Ryzen 9 5900X |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($20) | ⚠️ Higher cost ($350) |
| Longevity | 🛑 Legacy (SledgeHammer (2003−2005) / 130 nm) | ✨ Modern (Vermeer (Zen3) (2020−2022) / 7 nm, 12 nm) |
💎 Value Proposition
| Insight | Opteron 142 | Ryzen 9 5900X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+400%) |
| Upfront Cost | ✅ More affordable ($20) | ⚠️ 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 Opteron 142 and Ryzen 9 5900X

Opteron 142
The Opteron 142 is manufactured by AMD. It was released in 2015-01-01. It is based on the SledgeHammer (2003−2005) architecture. It features 1 cores and 1 threads. Max frequency: 1.6 GHz. L3 cache: 0 kB. L2 cache: 1 MB. Built on 130 nm process technology. Socket: 940. Thermal design power (TDP): 85 Watt. Passmark benchmark score: 445 points. Launch price was $800.

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 Opteron 142 packs 1 cores / 1 threads, while the Ryzen 9 5900X offers 12 cores / 24 threads — the Ryzen 9 5900X has 11 more cores. Boost clocks reach 1.6 GHz on the Opteron 142 versus 4.8 GHz on the Ryzen 9 5900X — a 100% clock advantage for the Ryzen 9 5900X. The Opteron 142 uses the SledgeHammer (2003−2005) architecture (130 nm), while the Ryzen 9 5900X uses Vermeer (Zen3) (2020−2022) (7 nm, 12 nm). In PassMark, the Opteron 142 scores 445 against the Ryzen 9 5900X's 38,955 — a 195.5% lead for the Ryzen 9 5900X. L3 cache: 0 kB on the Opteron 142 vs 64 MB on the Ryzen 9 5900X.
| Feature | Opteron 142 | Ryzen 9 5900X |
|---|---|---|
| Cores / Threads | 1 / 1 | 12 / 24+1100% |
| Boost Clock | 1.6 GHz | 4.8 GHz+200% |
| Base Clock | — | 3.7 GHz |
| L3 Cache | 0 kB | 64 MB |
| L2 Cache | 1 MB+100% | 512K (per core) |
| Process | 130 nm | 7 nm, 12 nm-95% |
| Architecture | SledgeHammer (2003−2005) | Vermeer (Zen3) (2020−2022) |
| PassMark | 445 | 38,955+8654% |
| Cinebench R23 Multi | — | 21,000 |
| Geekbench 6 Single | — | 2,174 |
| Geekbench 6 Multi | — | 11,888 |
Memory & Platform
The Opteron 142 uses the 940 socket (PCIe 2.0), while the Ryzen 9 5900X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR-333 on the Opteron 142 versus DDR4-3200 on the Ryzen 9 5900X — the Ryzen 9 5900X supports -204.9% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 9 5900X supports up to 128 GB of RAM compared to 8 GB — 176.5% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Opteron 142) vs 24 (Ryzen 9 5900X) — the Ryzen 9 5900X offers 24 more lanes for additional GPUs or NVMe drives.
| Feature | Opteron 142 | Ryzen 9 5900X |
|---|---|---|
| Socket | 940 | AM4 |
| PCIe Generation | PCIe 2.0 | PCIe 4.0+100% |
| Max RAM Speed | DDR-333 | DDR4-3200 |
| Max RAM Capacity | 8 GB | 128 GB+1500% |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 0 | 24 |
Advanced Features
Only the Ryzen 9 5900X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support AMD-V virtualization. Primary use case: Opteron 142 targets Server, Ryzen 9 5900X targets Workstation. Direct competitor: Ryzen 9 5900X rivals Core i9-12900K.
| Feature | Opteron 142 | Ryzen 9 5900X |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | No | Yes |
| AVX-512 | No | No |
| Virtualization | AMD-V | AMD-V |
| Target Use | Server | Workstation |
Value Analysis
The Opteron 142 launched at $292 MSRP, while the Ryzen 9 5900X debuted at $549. At current prices ($20 vs $350), the Opteron 142 is $330 cheaper. In terms of value (PassMark points per dollar), the Opteron 142 delivers 22.3 pts/$ vs 111.3 pts/$ for the Ryzen 9 5900X — making the Ryzen 9 5900X the 133.4% better value option.
| Feature | Opteron 142 | Ryzen 9 5900X |
|---|---|---|
| MSRP | $292-47% | $549 |
| Avg Price (30d) | $20-94% | $350 |
| Performance per Dollar | 22.3 | 111.3+399% |
| Release Date | 2003 | 2020 |
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