Opteron 6272 vs Atom x7405C
Opteron 6272
Atom x7405C
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 6272 is positioned at rank 65 and the Atom x7405C is on rank 180, so the Opteron 6272 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Opteron 6272
Performance Per Dollar Atom x7405C
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Opteron 6272 | Atom x7405C |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($50) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Interlagos (2011−2012) / 32 nm) | ✨ Modern (Amston Lake (2024−2025) / 10 nm) |
💎 Value Proposition
| Insight | Opteron 6272 | Atom x7405C |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($50) | ✅ 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 6272 and Atom x7405C
Opteron 6272
The Opteron 6272 is manufactured by AMD. It was released in 14 November 2011 (14 years ago). It is based on the Interlagos (2011−2012) architecture. It features 16 cores and 16 threads. Base frequency is 2.1 GHz, with boost up to 3 GHz. L3 cache: 8 MB (total). L2 cache: 8.00391 MB (per core). Built on 32 nm process technology. Socket: G34. Thermal design power (TDP): 115 Watt. Memory support: DDR3. Passmark benchmark score: 5,240 points. Launch price was $325.
Atom x7405C
The Atom x7405C is manufactured by Intel. It was released in 8 April 2024 (1 year ago). It is based on the Amston Lake (2024−2025) architecture. It features 4 cores and 4 threads. Base frequency is 1.7 GHz, with boost up to 3.4 GHz. L3 cache: 6 MB (total). L2 cache: 2 MB (total). Built on 10 nm process technology. Socket: FCBGA1264. Thermal design power (TDP): 12 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 5,218 points. Launch price was $57.
Processing Power
The Opteron 6272 packs 16 cores / 16 threads, while the Atom x7405C offers 4 cores / 4 threads — the Opteron 6272 has 12 more cores. Boost clocks reach 3 GHz on the Opteron 6272 versus 3.4 GHz on the Atom x7405C — a 12.5% clock advantage for the Atom x7405C (base: 2.1 GHz vs 1.7 GHz). The Opteron 6272 uses the Interlagos (2011−2012) architecture (32 nm), while the Atom x7405C uses Amston Lake (2024−2025) (10 nm). In PassMark, the Opteron 6272 scores 5,240 against the Atom x7405C's 5,218 — a 0.4% lead for the Opteron 6272. L3 cache: 8 MB (total) on the Opteron 6272 vs 6 MB (total) on the Atom x7405C.
| Feature | Opteron 6272 | Atom x7405C |
|---|---|---|
| Cores / Threads | 16 / 16+300% | 4 / 4 |
| Boost Clock | 3 GHz | 3.4 GHz+13% |
| Base Clock | 2.1 GHz+24% | 1.7 GHz |
| L3 Cache | 8 MB (total)+33% | 6 MB (total) |
| L2 Cache | 8.00391 MB (per core)+300% | 2 MB (total) |
| Process | 32 nm | 10 nm-69% |
| Architecture | Interlagos (2011−2012) | Amston Lake (2024−2025) |
| PassMark | 5,240 | 5,218 |
Memory & Platform
The Opteron 6272 uses the G34 socket (PCIe 2.0), while the Atom x7405C uses FCBGA1264 (PCIe 4.0) — making them incompatible on the same motherboard.
| Feature | Opteron 6272 | Atom x7405C |
|---|---|---|
| Socket | G34 | FCBGA1264 |
| PCIe Generation | PCIe 2.0 | PCIe 4.0+100% |
| Max RAM Speed | — | DDR5-4800 |
| Max RAM Capacity | — | 16 GB |
| RAM Channels | — | 1 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 9 |
Advanced Features
The Atom x7405C includes integrated graphics (Intel UHD Graphics), while the Opteron 6272 requires a dedicated GPU.
| Feature | Opteron 6272 | Atom x7405C |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | Intel UHD Graphics |
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