
Core i7-12700K vs Opteron 6276

Core i7-12700K

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 i7-12700K
Performance Per Dollar Opteron 6276
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-12700K | Opteron 6276 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($285) | ⚠️ Higher cost ($397) |
| Longevity | ✨ Modern (Alder Lake, Golden Cove, Gracemont (2021) / 10 nm) | 🛑 Legacy (Interlagos (2011−2012) / 32 nm) |
💎 Value Proposition
| Insight | Core i7-12700K | Opteron 6276 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+654%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($285) | ⚠️ 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 i7-12700K and Opteron 6276

Core i7-12700K
The Core i7-12700K is manufactured by Intel. It was released in 4 November 2021 (4 years ago). It is based on the Alder Lake, Golden Cove, Gracemont (2021) architecture. It features 12 cores and 20 threads. Base frequency is 3.6 GHz, with boost up to 5 GHz. L3 cache: 25 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm process technology. Socket: LGA1700. Thermal design power (TDP): 125 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 34,347 points. Launch price was $409.

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 i7-12700K packs 12 cores / 20 threads, while the Opteron 6276 offers 16 cores / 16 threads — the Opteron 6276 has 4 more cores. Boost clocks reach 5 GHz on the Core i7-12700K versus 3.2 GHz on the Opteron 6276 — a 43.9% clock advantage for the Core i7-12700K (base: 3.6 GHz vs 2.3 GHz). The Core i7-12700K uses the Alder Lake, Golden Cove, Gracemont (2021) architecture (10 nm), while the Opteron 6276 uses Interlagos (2011−2012) (32 nm). In PassMark, the Core i7-12700K scores 34,347 against the Opteron 6276's 6,348 — a 137.6% lead for the Core i7-12700K. L3 cache: 25 MB (total) on the Core i7-12700K vs 8 MB (total) on the Opteron 6276.
| Feature | Core i7-12700K | Opteron 6276 |
|---|---|---|
| Cores / Threads | 12 / 20 | 16 / 16+33% |
| Boost Clock | 5 GHz+56% | 3.2 GHz |
| Base Clock | 3.6 GHz+57% | 2.3 GHz |
| L3 Cache | 25 MB (total)+213% | 8 MB (total) |
| L2 Cache | 1.25 MB (per core) | 2 MB (per module)+60% |
| Process | 10 nm-69% | 32 nm |
| Architecture | Alder Lake, Golden Cove, Gracemont (2021) | Interlagos (2011−2012) |
| PassMark | 34,347+441% | 6,348 |
Memory & Platform
The Core i7-12700K uses the LGA1700 socket (PCIe 5.0), while the Opteron 6276 uses G34 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Core i7-12700K | Opteron 6276 |
|---|---|---|
| Socket | LGA1700 | G34 |
| PCIe Generation | PCIe 5.0+150% | PCIe 2.0 |
| Max RAM Speed | 4800 | — |
| Max RAM Capacity | 128 | — |
| RAM Channels | 2 | — |
| ECC Support | ✅ | — |
| PCIe Lanes | 20 | — |
Advanced Features
Virtualization: VT-x, VT-d (Core i7-12700K) / not specified (Opteron 6276). The Core i7-12700K includes integrated graphics (Intel UHD Graphics 770), while the Opteron 6276 requires a dedicated GPU. Direct competitor: Core i7-12700K rivals Ryzen 7 5800X.
| Feature | Core i7-12700K | Opteron 6276 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Intel UHD Graphics 770 | — |
| Unlocked | Yes | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d | — |
Value Analysis
The Core i7-12700K launched at $409 MSRP, while the Opteron 6276 debuted at $788. At current prices ($285 vs $397), the Core i7-12700K is $112 cheaper. In terms of value (PassMark points per dollar), the Core i7-12700K delivers 120.5 pts/$ vs 16.0 pts/$ for the Opteron 6276 — making the Core i7-12700K the 153.1% better value option.
| Feature | Core i7-12700K | Opteron 6276 |
|---|---|---|
| MSRP | $409-48% | $788 |
| Avg Price (30d) | $285-28% | $397 |
| Performance per Dollar | 120.5+653% | 16.0 |
| Release Date | 2021 | 2011 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
















