Core i5-2500K vs Opteron 3365
Core i5-2500K
Opteron 3365
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 Core i5-2500K is positioned at rank 828 and the Opteron 3365 is on rank 83, so the Opteron 3365 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i5-2500K
Performance Per Dollar Opteron 3365
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i5-2500K | Opteron 3365 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($35) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) | 🛑 Legacy (Delhi (2012−2013) / 32 nm) |
💎 Value Proposition
| Insight | Core i5-2500K | Opteron 3365 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($35) | ✅ 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 Core i5-2500K and Opteron 3365
Core i5-2500K
The Core i5-2500K is manufactured by Intel. It was released in 9 January 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 4 cores and 4 threads. Base frequency is 3.3 GHz, with boost up to 3.7 GHz. L3 cache: 6 MB (total). L2 cache: 256K (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 4,141 points. Launch price was $216.
Opteron 3365
The Opteron 3365 is manufactured by AMD. It was released in 2015-01-01. It is based on the Delhi (2012−2013) architecture. It features 8 cores and 8 threads. Base frequency is 2.3 GHz, with boost up to 3.3 GHz. L3 cache: 8 MB (total). L2 cache: 4 MB. Built on 32 nm process technology. Socket: AM3+. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 4,125 points. Launch price was $800.
Processing Power
The Core i5-2500K packs 4 cores / 4 threads, while the Opteron 3365 offers 8 cores / 8 threads — the Opteron 3365 has 4 more cores. Boost clocks reach 3.7 GHz on the Core i5-2500K versus 3.3 GHz on the Opteron 3365 — a 11.4% clock advantage for the Core i5-2500K (base: 3.3 GHz vs 2.3 GHz). The Core i5-2500K uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Opteron 3365 uses Delhi (2012−2013) (32 nm). In PassMark, the Core i5-2500K scores 4,141 against the Opteron 3365's 4,125 — a 0.4% lead for the Core i5-2500K. L3 cache: 6 MB (total) on the Core i5-2500K vs 8 MB (total) on the Opteron 3365.
| Feature | Core i5-2500K | Opteron 3365 |
|---|---|---|
| Cores / Threads | 4 / 4 | 8 / 8+100% |
| Boost Clock | 3.7 GHz+12% | 3.3 GHz |
| Base Clock | 3.3 GHz+43% | 2.3 GHz |
| L3 Cache | 6 MB (total) | 8 MB (total)+33% |
| L2 Cache | 256K (per core) | 4 MB+1500% |
| Process | 32 nm | 32 nm |
| Architecture | Sandy Bridge (2011−2013) | Delhi (2012−2013) |
| PassMark | 4,141 | 4,125 |
| Cinebench R23 Multi | 3,200 | — |
| Geekbench 6 Single | 684 | — |
| Geekbench 6 Multi | 2,032 | — |
Memory & Platform
The Core i5-2500K uses the LGA1155 socket (PCIe 2.0), while the Opteron 3365 uses AM3+ (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Core i5-2500K | Opteron 3365 |
|---|---|---|
| Socket | LGA1155 | AM3+ |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | DDR3-1333 | — |
| Max RAM Capacity | 32 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 16 | — |
Advanced Features
Virtualization: VT-x (Core i5-2500K) / not specified (Opteron 3365). The Core i5-2500K includes integrated graphics (HD Graphics 3000), while the Opteron 3365 requires a dedicated GPU. Primary use case: Core i5-2500K targets Gaming. Direct competitor: Core i5-2500K rivals FX-6300.
| Feature | Core i5-2500K | Opteron 3365 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | HD Graphics 3000 | — |
| Unlocked | Yes | — |
| AVX-512 | No | — |
| Virtualization | VT-x | — |
| Target Use | Gaming | — |
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