Opteron 6276 vs Core i3-8300
Opteron 6276
Core i3-8300
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 6276 is positioned at rank #53 in our cost-efficiency ranking, representing a Balanced 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 6276
Performance Per Dollar Core i3-8300
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Opteron 6276 | Core i3-8300 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($397) | ✅ More affordable ($136) |
| Longevity | 🛑 Legacy (Interlagos (2011−2012) / 32 nm) | ✨ Modern (Coffee Lake (2017−2019) / 14 nm) |
💎 Value Proposition
| Insight | Opteron 6276 | Core i3-8300 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+193%) |
| Upfront Cost | ⚠️ Higher cost ($397) | ✅ More affordable ($136) |
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 6276 and Core i3-8300
Opteron 6276
The Opteron 6276 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 2.3 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): 115 Watt. Memory support: DDR3. Passmark benchmark score: 6,348 points. Launch price was $119.
Core i3-8300
The Core i3-8300 is manufactured by Intel. It was released in 14 February 2018 (7 years ago). It is based on the Coffee Lake (2017−2019) architecture. It features 4 cores and 4 threads. Base frequency is 3.7 GHz, with boost up to 3.7 GHz. L3 cache: 8 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 62 Watt. Memory support: DDR4-2400. Passmark benchmark score: 6,370 points. Launch price was $138.
Processing Power
The Opteron 6276 packs 16 cores / 16 threads, while the Core i3-8300 offers 4 cores / 4 threads — the Opteron 6276 has 12 more cores. Boost clocks reach 3.2 GHz on the Opteron 6276 versus 3.7 GHz on the Core i3-8300 — a 14.5% clock advantage for the Core i3-8300 (base: 2.3 GHz vs 3.7 GHz). The Opteron 6276 uses the Interlagos (2011−2012) architecture (32 nm), while the Core i3-8300 uses Coffee Lake (2017−2019) (14 nm). In PassMark, the Opteron 6276 scores 6,348 against the Core i3-8300's 6,370 — a 0.3% lead for the Core i3-8300. Both processors carry 8 MB (total) of L3 cache.
| Feature | Opteron 6276 | Core i3-8300 |
|---|---|---|
| Cores / Threads | 16 / 16+300% | 4 / 4 |
| Boost Clock | 3.2 GHz | 3.7 GHz+16% |
| Base Clock | 2.3 GHz | 3.7 GHz+61% |
| L3 Cache | 8 MB (total) | 8 MB (total) |
| L2 Cache | 2 MB (per module)+700% | 256K (per core) |
| Process | 32 nm | 14 nm-56% |
| Architecture | Interlagos (2011−2012) | Coffee Lake (2017−2019) |
| PassMark | 6,348 | 6,370 |
| Geekbench 6 Single | — | 1,327 |
Memory & Platform
The Opteron 6276 uses the G34 socket (PCIe 2.0), while the Core i3-8300 uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Opteron 6276 | Core i3-8300 |
|---|---|---|
| Socket | G34 | LGA1151 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | — | DDR4-2400 |
| Max RAM Capacity | — | 64 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ✅ |
| PCIe Lanes | — | 16 |
Advanced Features
Virtualization: not specified (Opteron 6276) / VT-x, VT-d, EPT (Core i3-8300). The Core i3-8300 includes integrated graphics (UHD Graphics 630), while the Opteron 6276 requires a dedicated GPU. Primary use case: Core i3-8300 targets Mainstream Desktop. Direct competitor: Core i3-8300 rivals Ryzen 3 2300X.
| Feature | Opteron 6276 | Core i3-8300 |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | UHD Graphics 630 |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x, VT-d, EPT |
| Target Use | — | Mainstream Desktop |
Value Analysis
The Opteron 6276 launched at $788 MSRP, while the Core i3-8300 debuted at $138. At current prices ($397 vs $136), the Core i3-8300 is $261 cheaper. In terms of value (PassMark points per dollar), the Opteron 6276 delivers 16.0 pts/$ vs 46.8 pts/$ for the Core i3-8300 — making the Core i3-8300 the 98.2% better value option.
| Feature | Opteron 6276 | Core i3-8300 |
|---|---|---|
| MSRP | $788 | $138-82% |
| Avg Price (30d) | $397 | $136-66% |
| Performance per Dollar | 16.0 | 46.8+192% |
| Release Date | 2011 | 2018 |
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