Core i7-6700 vs Ryzen 9 5900X
Core i7-6700
Ryzen 9 5900X
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. The Core i7-6700 is positioned at rank #650 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. 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 i7-6700
Performance Per Dollar Ryzen 9 5900X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-6700 | Ryzen 9 5900X |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($143) | ⚠️ Higher cost ($350) |
| Longevity | 🛑 Legacy (Skylake (2015−2016) / 14 nm) | ✨ Modern (Vermeer (Zen3) (2020−2022) / 7 nm, 12 nm) |
💎 Value Proposition
| Insight | Core i7-6700 | Ryzen 9 5900X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+98%) |
| Upfront Cost | ✅ More affordable ($143) | ⚠️ Higher cost ($350) |
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 i7-6700 and Ryzen 9 5900X
Core i7-6700
The Core i7-6700 is manufactured by Intel. It was released in 1 July 2015 (10 years ago). It is based on the Skylake (2015−2016) architecture. It features 4 cores and 8 threads. Base frequency is 3.4 GHz, with boost up to 4 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 65 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 8,048 points. Launch price was $303.
Ryzen 9 5900X
The Ryzen 9 5900X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen3) (2020−2022) architecture. It features 12 cores and 24 threads. Base frequency is 3.7 GHz, with boost up to 4.8 GHz. L3 cache: 64 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4-3200. Passmark benchmark score: 38,955 points. Launch price was $549.
Processing Power
The Core i7-6700 packs 4 cores / 8 threads, while the Ryzen 9 5900X offers 12 cores / 24 threads — the Ryzen 9 5900X has 8 more cores. Boost clocks reach 4 GHz on the Core i7-6700 versus 4.8 GHz on the Ryzen 9 5900X — a 18.2% clock advantage for the Ryzen 9 5900X (base: 3.4 GHz vs 3.7 GHz). The Core i7-6700 uses the Skylake (2015−2016) architecture (14 nm), while the Ryzen 9 5900X uses Vermeer (Zen3) (2020−2022) (7 nm, 12 nm). In PassMark, the Core i7-6700 scores 8,048 against the Ryzen 9 5900X's 38,955 — a 131.5% lead for the Ryzen 9 5900X. L3 cache: 8 MB (total) on the Core i7-6700 vs 64 MB on the Ryzen 9 5900X.
| Feature | Core i7-6700 | Ryzen 9 5900X |
|---|---|---|
| Cores / Threads | 4 / 8 | 12 / 24+200% |
| Boost Clock | 4 GHz | 4.8 GHz+20% |
| Base Clock | 3.4 GHz | 3.7 GHz+9% |
| L3 Cache | 8 MB (total) | 64 MB+700% |
| L2 Cache | 256 kB (per core) | 512K (per core)+100% |
| Process | 14 nm | 7 nm, 12 nm-50% |
| Architecture | Skylake (2015−2016) | Vermeer (Zen3) (2020−2022) |
| PassMark | 8,048 | 38,955+384% |
| Cinebench R23 Multi | — | 21,000 |
| Geekbench 6 Single | — | 2,174 |
| Geekbench 6 Multi | — | 11,888 |
Memory & Platform
The Core i7-6700 uses the LGA1151 socket (PCIe 3.0), while the Ryzen 9 5900X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard.
| Feature | Core i7-6700 | Ryzen 9 5900X |
|---|---|---|
| Socket | LGA1151 | AM4 |
| PCIe Generation | PCIe 3.0 | PCIe 4.0+33% |
| Max RAM Speed | — | DDR4-3200 |
| Max RAM Capacity | — | 128 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ✅ |
| PCIe Lanes | — | 24 |
Advanced Features
Virtualization: not specified (Core i7-6700) / AMD-V (Ryzen 9 5900X). Primary use case: Ryzen 9 5900X targets Workstation. Direct competitor: Ryzen 9 5900X rivals Core i9-12900K.
| Feature | Core i7-6700 | Ryzen 9 5900X |
|---|---|---|
| Integrated GPU | — | No |
| Unlocked | — | Yes |
| AVX-512 | — | No |
| Virtualization | — | AMD-V |
| Target Use | — | Workstation |
Value Analysis
The Core i7-6700 launched at $303 MSRP, while the Ryzen 9 5900X debuted at $549. At current prices ($143 vs $350), the Core i7-6700 is $207 cheaper. In terms of value (PassMark points per dollar), the Core i7-6700 delivers 56.3 pts/$ vs 111.3 pts/$ for the Ryzen 9 5900X — making the Ryzen 9 5900X the 65.7% better value option.
| Feature | Core i7-6700 | Ryzen 9 5900X |
|---|---|---|
| MSRP | $303-45% | $549 |
| Avg Price (30d) | $143-59% | $350 |
| Performance per Dollar | 56.3 | 111.3+98% |
| Release Date | 2015 | 2020 |
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