Core i7-6700K vs Ryzen 5 1500X
Core i7-6700K
Ryzen 5 1500X
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 i7-6700K is positioned at rank 677 and the Ryzen 5 1500X is on rank 436, so the Ryzen 5 1500X offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i7-6700K
Performance Per Dollar Ryzen 5 1500X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-6700K | Ryzen 5 1500X |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($142) | ✅ More affordable ($67) |
| Longevity | 🛑 Legacy (Skylake (2015−2016) / 14 nm) | ✨ Modern (Zen (2017−2020) / 14 nm) |
💎 Value Proposition
| Insight | Core i7-6700K | Ryzen 5 1500X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+115%) |
| Upfront Cost | ⚠️ Higher cost ($142) | ✅ More affordable ($67) |
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 i7-6700K and Ryzen 5 1500X
Core i7-6700K
The Core i7-6700K is manufactured by Intel. It was released in 5 August 2015 (10 years ago). It is based on the Skylake (2015−2016) architecture. It features 4 cores and 8 threads. Base frequency is 4 GHz, with boost up to 4.2 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 91 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 8,933 points. Launch price was $339.
Ryzen 5 1500X
The Ryzen 5 1500X is manufactured by AMD. It was released in 11 April 2017 (8 years ago). It is based on the Zen (2017−2020) architecture. It features 4 cores and 8 threads. Base frequency is 3.5 GHz, with boost up to 3.7 GHz. L3 cache: 16 MB (total). L2 cache: 512K (per core). Built on 14 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 9,074 points. Launch price was $189.
Processing Power
Both the Core i7-6700K and Ryzen 5 1500X share an identical 4-core/8-thread configuration. Boost clocks reach 4.2 GHz on the Core i7-6700K versus 3.7 GHz on the Ryzen 5 1500X — a 12.7% clock advantage for the Core i7-6700K (base: 4 GHz vs 3.5 GHz). The Core i7-6700K uses the Skylake (2015−2016) architecture (14 nm), while the Ryzen 5 1500X uses Zen (2017−2020) (14 nm). In PassMark, the Core i7-6700K scores 8,933 against the Ryzen 5 1500X's 9,074 — a 1.6% lead for the Ryzen 5 1500X. L3 cache: 8 MB (total) on the Core i7-6700K vs 16 MB (total) on the Ryzen 5 1500X.
| Feature | Core i7-6700K | Ryzen 5 1500X |
|---|---|---|
| Cores / Threads | 4 / 8 | 4 / 8 |
| Boost Clock | 4.2 GHz+14% | 3.7 GHz |
| Base Clock | 4 GHz+14% | 3.5 GHz |
| L3 Cache | 8 MB (total) | 16 MB (total)+100% |
| L2 Cache | 256 kB (per core) | 512K (per core)+100% |
| Process | 14 nm | 14 nm |
| Architecture | Skylake (2015−2016) | Zen (2017−2020) |
| PassMark | 8,933 | 9,074+2% |
| Cinebench R23 Multi | — | 4,641 |
| Geekbench 6 Single | — | 1,120 |
| Geekbench 6 Multi | — | 3,700 |
Memory & Platform
The Core i7-6700K uses the LGA1151 socket (PCIe 3.0), while the Ryzen 5 1500X uses AM4 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR4-2133 memory speed. Both support up to 64 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core i7-6700K) vs 20 (Ryzen 5 1500X) — the Ryzen 5 1500X offers 4 more lanes for additional GPUs or NVMe drives.
| Feature | Core i7-6700K | Ryzen 5 1500X |
|---|---|---|
| Socket | LGA1151 | AM4 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | DDR4-2133 | DDR4-2666 |
| Max RAM Capacity | 64 GB | 64 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 16 | 20+25% |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Virtualization support: VT-x, VT-d (Core i7-6700K) vs AMD-V (Ryzen 5 1500X). The Core i7-6700K includes integrated graphics (HD Graphics 530), while the Ryzen 5 1500X requires a dedicated GPU. Primary use case: Core i7-6700K targets Desktop, Ryzen 5 1500X targets Gaming. Direct competitor: Ryzen 5 1500X rivals Core i5-7500.
| Feature | Core i7-6700K | Ryzen 5 1500X |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | HD Graphics 530 | — |
| Unlocked | Yes | Yes |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d | AMD-V |
| Target Use | Desktop | Gaming |
Value Analysis
The Core i7-6700K launched at $350 MSRP, while the Ryzen 5 1500X debuted at $189. At current prices ($142 vs $67), the Ryzen 5 1500X is $75 cheaper. In terms of value (PassMark points per dollar), the Core i7-6700K delivers 62.9 pts/$ vs 135.4 pts/$ for the Ryzen 5 1500X — making the Ryzen 5 1500X the 73.1% better value option.
| Feature | Core i7-6700K | Ryzen 5 1500X |
|---|---|---|
| MSRP | $350 | $189-46% |
| Avg Price (30d) | $142 | $67-53% |
| Performance per Dollar | 62.9 | 135.4+115% |
| Release Date | 2015 | 2017 |
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