
Opteron 6281

Ryzen 3 4300U
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. The Opteron 6281 is positioned at rank 44 and the Ryzen 3 4300U is on rank 457, so the Opteron 6281 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Opteron 6281
Performance Per Dollar Ryzen 3 4300U
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Opteron 6281 | Ryzen 3 4300U |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($419) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Interlagos (2011−2012) / 32 nm) | ✨ Modern (Renoir-U (Zen 2) (2020−2021) / 7 nm) |
💎 Value Proposition
| Insight | Opteron 6281 | Ryzen 3 4300U |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($419) | ✅ 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 Opteron 6281 and Ryzen 3 4300U

Opteron 6281
The Opteron 6281 is manufactured by AMD. It was released in 1 May 2012 (13 years ago). It is based on the Interlagos (2011−2012) architecture. It features 16 cores and 16 threads. Base frequency is 2.5 GHz, with boost up to 3.2 GHz. L3 cache: 8 MB (total). L2 cache: 2 MB (per module). Built on 32 nm process technology. Socket: G34. Thermal design power (TDP): 130 Watt. Memory support: DDR3. Passmark benchmark score: 7,279 points. Launch price was $988.

Ryzen 3 4300U
The Ryzen 3 4300U is manufactured by AMD. It was released in 6 January 2020 (5 years ago). It is based on the Renoir-U (Zen 2) (2020−2021) architecture. It features 4 cores and 4 threads. Base frequency is 2.7 GHz, with boost up to 3.7 GHz. L3 cache: 4 MB (total). L2 cache: 512 kB (per core). Built on 7 nm process technology. Socket: FP6. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 7,359 points. Launch price was $149.
Processing Power
The Opteron 6281 packs 16 cores / 16 threads, while the Ryzen 3 4300U offers 4 cores / 4 threads — the Opteron 6281 has 12 more cores. Boost clocks reach 3.2 GHz on the Opteron 6281 versus 3.7 GHz on the Ryzen 3 4300U — a 14.5% clock advantage for the Ryzen 3 4300U (base: 2.5 GHz vs 2.7 GHz). The Opteron 6281 uses the Interlagos (2011−2012) architecture (32 nm), while the Ryzen 3 4300U uses Renoir-U (Zen 2) (2020−2021) (7 nm). In PassMark, the Opteron 6281 scores 7,279 against the Ryzen 3 4300U's 7,359 — a 1.1% lead for the Ryzen 3 4300U. L3 cache: 8 MB (total) on the Opteron 6281 vs 4 MB (total) on the Ryzen 3 4300U.
| Feature | Opteron 6281 | Ryzen 3 4300U |
|---|---|---|
| Cores / Threads | 16 / 16+300% | 4 / 4 |
| Boost Clock | 3.2 GHz | 3.7 GHz+16% |
| Base Clock | 2.5 GHz | 2.7 GHz+8% |
| L3 Cache | 8 MB (total)+100% | 4 MB (total) |
| L2 Cache | 2 MB (per module)+300% | 512 kB (per core) |
| Process | 32 nm | 7 nm-78% |
| Architecture | Interlagos (2011−2012) | Renoir-U (Zen 2) (2020−2021) |
| PassMark | 7,279 | 7,359+1% |
Memory & Platform
The Opteron 6281 uses the G34 socket (PCIe 2.0), while the Ryzen 3 4300U uses FP6 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Opteron 6281 | Ryzen 3 4300U |
|---|---|---|
| Socket | G34 | FP6 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
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