Ryzen 5 5600X vs Core i7-6900K
Ryzen 5 5600X
Core i7-6900K
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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 Ryzen 5 5600X
Performance Per Dollar Core i7-6900K
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 5 5600X | Core i7-6900K |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($135) | ⚠️ Higher cost ($1,089) |
| Longevity | ✨ Modern (Vermeer (Zen 3) (2020−2022) / 7 nm, 12 nm) | 🛑 Legacy (Broadwell-E (2016) / 14 nm) |
💎 Value Proposition
| Insight | Ryzen 5 5600X | Core i7-6900K |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+1100%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($135) | ⚠️ Higher cost ($1,089) |
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 Ryzen 5 5600X and Core i7-6900K
Ryzen 5 5600X
The Ryzen 5 5600X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen 3) (2020−2022) architecture. It features 6 cores and 12 threads. Base frequency is 3.7 GHz, with boost up to 4.6 GHz. L3 cache: 32 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 21,845 points. Launch price was $299.
Core i7-6900K
The Core i7-6900K is manufactured by Intel. It was released in 31 May 2016 (9 years ago). It is based on the Broadwell-E (2016) architecture. It features 8 cores and 16 threads. Base frequency is 3.2 GHz, with boost up to 4 GHz. L3 cache: 20 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA2011. Thermal design power (TDP): 140 Watt. Memory support: DDR4. Passmark benchmark score: 14,682 points. Launch price was $1,020.
Processing Power
The Ryzen 5 5600X packs 6 cores / 12 threads, while the Core i7-6900K offers 8 cores / 16 threads — the Core i7-6900K has 2 more cores. Boost clocks reach 4.6 GHz on the Ryzen 5 5600X versus 4 GHz on the Core i7-6900K — a 14% clock advantage for the Ryzen 5 5600X (base: 3.7 GHz vs 3.2 GHz). The Ryzen 5 5600X uses the Vermeer (Zen 3) (2020−2022) architecture (7 nm, 12 nm), while the Core i7-6900K uses Broadwell-E (2016) (14 nm). In PassMark, the Ryzen 5 5600X scores 21,845 against the Core i7-6900K's 14,682 — a 39.2% lead for the Ryzen 5 5600X. L3 cache: 32 MB on the Ryzen 5 5600X vs 20 MB (total) on the Core i7-6900K.
| Feature | Ryzen 5 5600X | Core i7-6900K |
|---|---|---|
| Cores / Threads | 6 / 12 | 8 / 16+33% |
| Boost Clock | 4.6 GHz+15% | 4 GHz |
| Base Clock | 3.7 GHz+16% | 3.2 GHz |
| L3 Cache | 32 MB+60% | 20 MB (total) |
| L2 Cache | 512K (per core)+100% | 256 kB (per core) |
| Process | 7 nm, 12 nm-50% | 14 nm |
| Architecture | Vermeer (Zen 3) (2020−2022) | Broadwell-E (2016) |
| PassMark | 21,845+49% | 14,682 |
| Geekbench 6 Single | — | 1,273 |
| Geekbench 6 Multi | — | 7,591 |
Memory & Platform
The Ryzen 5 5600X uses the AM4 socket (PCIe 4.0), while the Core i7-6900K uses LGA2011 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR4-3200 memory speed. Both support up to 128 GB of RAM. Memory channels: 2 (Ryzen 5 5600X) vs 4 (Core i7-6900K). PCIe lanes: 24 (Ryzen 5 5600X) vs 40 (Core i7-6900K) — the Core i7-6900K offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD 500 series,AMD 400 series,AMD 300 series (Ryzen 5 5600X) and X99 (Core i7-6900K).
| Feature | Ryzen 5 5600X | Core i7-6900K |
|---|---|---|
| Socket | AM4 | LGA2011 |
| PCIe Generation | PCIe 4.0+33% | PCIe 3.0 |
| Max RAM Speed | DDR4-3200 | DDR4-2400 |
| Max RAM Capacity | 128 GB | 128 GB |
| RAM Channels | 2 | 4+100% |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 24 | 40+67% |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Virtualization support: AMD-V (Ryzen 5 5600X) vs VT-x, VT-d (Core i7-6900K). Primary use case: Ryzen 5 5600X targets Desktop, Core i7-6900K targets High-End Desktop.
| Feature | Ryzen 5 5600X | Core i7-6900K |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | — | None |
| Unlocked | Yes | Yes |
| AVX-512 | No | No |
| Virtualization | AMD-V | VT-x, VT-d |
| Target Use | Desktop | High-End Desktop |
Value Analysis
The Ryzen 5 5600X launched at $299 MSRP, while the Core i7-6900K debuted at $1089. At current prices ($135 vs $1089), the Ryzen 5 5600X is $954 cheaper. In terms of value (PassMark points per dollar), the Ryzen 5 5600X delivers 161.8 pts/$ vs 13.5 pts/$ for the Core i7-6900K — making the Ryzen 5 5600X the 169.2% better value option.
| Feature | Ryzen 5 5600X | Core i7-6900K |
|---|---|---|
| MSRP | $299-73% | $1089 |
| Avg Price (30d) | $135-88% | $1089 |
| Performance per Dollar | 161.8+1099% | 13.5 |
| Release Date | 2020 | 2016 |
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