Core i7-2600K vs FX-8320
Core i7-2600K
FX-8320
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 i7-2600K is positioned at rank 860 and the FX-8320 is on rank 566, so the FX-8320 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i7-2600K
Performance Per Dollar FX-8320
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-2600K | FX-8320 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($109) | ✅ More affordable ($50) |
| Longevity | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) | 🛑 Legacy (Vishera (2012−2015) / 32 nm) |
💎 Value Proposition
| Insight | Core i7-2600K | FX-8320 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+118%) |
| Upfront Cost | ⚠️ Higher cost ($109) | ✅ More affordable ($50) |
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 i7-2600K and FX-8320
Core i7-2600K
The Core i7-2600K 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 8 threads. Base frequency is 3.4 GHz, with boost up to 3.8 GHz. L3 cache: 8 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: 5,484 points. Launch price was $317.
FX-8320
The FX-8320 is manufactured by AMD. It was released in 23 October 2012 (13 years ago). It is based on the Vishera (2012−2015) architecture. It features 8 cores and 8 threads. Base frequency is 3.5 GHz, with boost up to 4 GHz. L2 cache: 8192 kB. Built on 32 nm process technology. Socket: AM3+. Thermal design power (TDP): 125 Watt. Memory support: DDR3. Passmark benchmark score: 5,472 points. Launch price was $149.
Processing Power
The Core i7-2600K packs 4 cores / 8 threads, while the FX-8320 offers 8 cores / 8 threads — the FX-8320 has 4 more cores. Boost clocks reach 3.8 GHz on the Core i7-2600K versus 4 GHz on the FX-8320 — a 5.1% clock advantage for the FX-8320 (base: 3.4 GHz vs 3.5 GHz). The Core i7-2600K uses the Sandy Bridge (2011−2013) architecture (32 nm), while the FX-8320 uses Vishera (2012−2015) (32 nm). In PassMark, the Core i7-2600K scores 5,484 against the FX-8320's 5,472 — a 0.2% lead for the Core i7-2600K. Geekbench 6 single-core — the metric most relevant to gaming — records 707 vs 458, a 42.7% lead for the Core i7-2600K that directly translates to higher frame rates.
| Feature | Core i7-2600K | FX-8320 |
|---|---|---|
| Cores / Threads | 4 / 8 | 8 / 8+100% |
| Boost Clock | 3.8 GHz | 4 GHz+5% |
| Base Clock | 3.4 GHz | 3.5 GHz+3% |
| L3 Cache | 8 MB (total) | — |
| L2 Cache | 256K (per core) | 8192 kB+3100% |
| Process | 32 nm | 32 nm |
| Architecture | Sandy Bridge (2011−2013) | Vishera (2012−2015) |
| PassMark | 5,484 | 5,472 |
| Cinebench R23 Multi | — | 4,500 |
| Geekbench 6 Single | 707+54% | 458 |
| Geekbench 6 Multi | — | 1,791 |
Memory & Platform
The Core i7-2600K uses the LGA1155 socket (PCIe 2.0), while the FX-8320 uses AM3+ (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR3-1333 memory speed. Both support up to 32 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: P67,Z68,Z77,H67,H61,B75 (Core i7-2600K) and 970,990X,990FX (FX-8320).
| Feature | Core i7-2600K | FX-8320 |
|---|---|---|
| Socket | LGA1155 | AM3+ |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR3-1333 | DDR3-1866 |
| Max RAM Capacity | 32 GB | 32 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Virtualization support: VT-x (Core i7-2600K) vs AMD-V (FX-8320). The Core i7-2600K includes integrated graphics (HD Graphics 3000), while the FX-8320 requires a dedicated GPU. Primary use case: Core i7-2600K targets Gaming Desktop, FX-8320 targets Productivity. Direct competitor: Core i7-2600K rivals FX-8150; FX-8320 rivals Core i5-3570.
| Feature | Core i7-2600K | FX-8320 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | HD Graphics 3000 | — |
| Unlocked | Yes | Yes |
| AVX-512 | No | No |
| Virtualization | VT-x | AMD-V |
| Target Use | Gaming Desktop | Productivity |
Value Analysis
The Core i7-2600K launched at $317 MSRP, while the FX-8320 debuted at $169. At current prices ($109 vs $50), the FX-8320 is $59 cheaper. In terms of value (PassMark points per dollar), the Core i7-2600K delivers 50.3 pts/$ vs 109.4 pts/$ for the FX-8320 — making the FX-8320 the 74% better value option.
| Feature | Core i7-2600K | FX-8320 |
|---|---|---|
| MSRP | $317 | $169-47% |
| Avg Price (30d) | $109 | $50-54% |
| Performance per Dollar | 50.3 | 109.4+117% |
| Release Date | 2011 | 2012 |
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