CPU
GPU
Pentium Gold G6405
Opteron 3280
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 Opteron 3280
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium Gold G6405 | Opteron 3280 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | ✨ Modern (Comet Lake-R (2021) / 14 nm) | 🛑 Legacy (Zurich (2012) / 32 nm) |
💎 Value Proposition
| Insight | Pentium Gold G6405 | Opteron 3280 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 G6405 and Opteron 3280
Pentium Gold G6405
The Pentium Gold G6405 is manufactured by Intel. It was released in 16 March 2021 (4 years ago). It is based on the Comet Lake-R (2021) architecture. It features 2 cores and 4 threads. Base frequency is 4.1 GHz, with boost up to 4.1 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 15 Watt. Memory support: DDR4-2666. Passmark benchmark score: 3,817 points. Launch price was $64.
Opteron 3280
The Opteron 3280 is manufactured by AMD. It was released in 20 March 2012 (13 years ago). It is based on the Zurich (2012) architecture. It features 8 cores and 8 threads. Base frequency is 2.5 GHz, with boost up to 3.5 GHz. L3 cache: 8 MB (total). L2 cache: 8 MB. Built on 32 nm process technology. Socket: AM3+. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 3,783 points. Launch price was $229.
Processing Power
The Pentium Gold G6405 packs 2 cores / 4 threads, while the Opteron 3280 offers 8 cores / 8 threads — the Opteron 3280 has 6 more cores. Boost clocks reach 4.1 GHz on the Pentium Gold G6405 versus 3.5 GHz on the Opteron 3280 — a 15.8% clock advantage for the Pentium Gold G6405 (base: 4.1 GHz vs 2.5 GHz). The Pentium Gold G6405 uses the Comet Lake-R (2021) architecture (14 nm), while the Opteron 3280 uses Zurich (2012) (32 nm). In PassMark, the Pentium Gold G6405 scores 3,817 against the Opteron 3280's 3,783 — a 0.9% lead for the Pentium Gold G6405. L3 cache: 4 MB (total) on the Pentium Gold G6405 vs 8 MB (total) on the Opteron 3280.
| Feature | Pentium Gold G6405 | Opteron 3280 |
|---|---|---|
| Cores / Threads | 2 / 4 | 8 / 8+300% |
| Boost Clock | 4.1 GHz+17% | 3.5 GHz |
| Base Clock | 4.1 GHz+64% | 2.5 GHz |
| L3 Cache | 4 MB (total) | 8 MB (total)+100% |
| L2 Cache | 256 kB (per core) | 8 MB+3100% |
| Process | 14 nm-56% | 32 nm |
| Architecture | Comet Lake-R (2021) | Zurich (2012) |
| PassMark | 3,817 | 3,783 |
Memory & Platform
The Pentium Gold G6405 uses the LGA1200 socket (PCIe 3.0), while the Opteron 3280 uses AM3+ (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Pentium Gold G6405 | Opteron 3280 |
|---|---|---|
| Socket | LGA1200 | AM3+ |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
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The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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