Core i3-8300 vs Opteron 6276
Core i3-8300
Opteron 6276
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 Core i3-8300
Performance Per Dollar Opteron 6276
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i3-8300 | Opteron 6276 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($136) | ⚠️ Higher cost ($397) |
| Longevity | ✨ Modern (Coffee Lake (2017−2019) / 14 nm) | 🛑 Legacy (Interlagos (2011−2012) / 32 nm) |
💎 Value Proposition
| Insight | Core i3-8300 | Opteron 6276 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+193%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($136) | ⚠️ Higher cost ($397) |
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 Core i3-8300 and Opteron 6276
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.
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.
Processing Power
The Core i3-8300 packs 4 cores / 4 threads, while the Opteron 6276 offers 16 cores / 16 threads — the Opteron 6276 has 12 more cores. Boost clocks reach 3.7 GHz on the Core i3-8300 versus 3.2 GHz on the Opteron 6276 — a 14.5% clock advantage for the Core i3-8300 (base: 3.7 GHz vs 2.3 GHz). The Core i3-8300 uses the Coffee Lake (2017−2019) architecture (14 nm), while the Opteron 6276 uses Interlagos (2011−2012) (32 nm). In PassMark, the Core i3-8300 scores 6,370 against the Opteron 6276's 6,348 — a 0.3% lead for the Core i3-8300. Both processors carry 8 MB (total) of L3 cache.
| Feature | Core i3-8300 | Opteron 6276 |
|---|---|---|
| Cores / Threads | 4 / 4 | 16 / 16+300% |
| Boost Clock | 3.7 GHz+16% | 3.2 GHz |
| Base Clock | 3.7 GHz+61% | 2.3 GHz |
| L3 Cache | 8 MB (total) | 8 MB (total) |
| L2 Cache | 256K (per core) | 2 MB (per module)+700% |
| Process | 14 nm-56% | 32 nm |
| Architecture | Coffee Lake (2017−2019) | Interlagos (2011−2012) |
| PassMark | 6,370 | 6,348 |
| Geekbench 6 Single | 1,327 | — |
Memory & Platform
The Core i3-8300 uses the LGA1151 socket (PCIe 3.0), while the Opteron 6276 uses G34 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Core i3-8300 | Opteron 6276 |
|---|---|---|
| Socket | LGA1151 | G34 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | DDR4-2400 | — |
| Max RAM Capacity | 64 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ✅ | — |
| PCIe Lanes | 16 | — |
Advanced Features
Virtualization: VT-x, VT-d, EPT (Core i3-8300) / not specified (Opteron 6276). 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 | Core i3-8300 | Opteron 6276 |
|---|---|---|
| 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 Core i3-8300 launched at $138 MSRP, while the Opteron 6276 debuted at $788. At current prices ($136 vs $397), the Core i3-8300 is $261 cheaper. In terms of value (PassMark points per dollar), the Core i3-8300 delivers 46.8 pts/$ vs 16.0 pts/$ for the Opteron 6276 — making the Core i3-8300 the 98.2% better value option.
| Feature | Core i3-8300 | Opteron 6276 |
|---|---|---|
| MSRP | $138-82% | $788 |
| Avg Price (30d) | $136-66% | $397 |
| Performance per Dollar | 46.8+192% | 16.0 |
| Release Date | 2018 | 2011 |
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