Core i7-6800K vs Ryzen 7 5800X
Core i7-6800K
Popular choices:
Ryzen 7 5800X
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 i7-6800K is positioned at rank #691 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 i7-6800K
Performance Per Dollar Ryzen 7 5800X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-6800K | Ryzen 7 5800X |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($120) | ⚠️ Higher cost ($180) |
| Longevity | 🛑 Legacy (Broadwell-E (2016) / 14 nm) | ✨ Modern (Vermeer (Zen 3) (2020−2022) / 7 nm, 12 nm) |
💎 Value Proposition
| Insight | Core i7-6800K | Ryzen 7 5800X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+72%) |
| Upfront Cost | ✅ More affordable ($120) | ⚠️ Higher cost ($180) |
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 i7-6800K and Ryzen 7 5800X
Core i7-6800K
The Core i7-6800K 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 6 cores and 12 threads. Base frequency is 3.4 GHz, with boost up to 3.8 GHz. L3 cache: 15 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: 10,715 points. Launch price was $345.
Ryzen 7 5800X
The Ryzen 7 5800X 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 8 cores and 16 threads. Base frequency is 3.8 GHz, with boost up to 4.7 GHz. L3 cache: 32 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. Passmark benchmark score: 27,712 points. Launch price was $449.
Processing Power
The Core i7-6800K packs 6 cores / 12 threads, while the Ryzen 7 5800X offers 8 cores / 16 threads — the Ryzen 7 5800X has 2 more cores. Boost clocks reach 3.8 GHz on the Core i7-6800K versus 4.7 GHz on the Ryzen 7 5800X — a 21.2% clock advantage for the Ryzen 7 5800X (base: 3.4 GHz vs 3.8 GHz). The Core i7-6800K uses the Broadwell-E (2016) architecture (14 nm), while the Ryzen 7 5800X uses Vermeer (Zen 3) (2020−2022) (7 nm, 12 nm). In PassMark, the Core i7-6800K scores 10,715 against the Ryzen 7 5800X's 27,712 — a 88.5% lead for the Ryzen 7 5800X. L3 cache: 15 MB (total) on the Core i7-6800K vs 32 MB on the Ryzen 7 5800X.
| Feature | Core i7-6800K | Ryzen 7 5800X |
|---|---|---|
| Cores / Threads | 6 / 12 | 8 / 16+33% |
| Boost Clock | 3.8 GHz | 4.7 GHz+24% |
| Base Clock | 3.4 GHz | 3.8 GHz+12% |
| L3 Cache | 15 MB (total) | 32 MB+113% |
| L2 Cache | 256 kB (per core) | 512K (per core)+100% |
| Process | 14 nm | 7 nm, 12 nm-50% |
| Architecture | Broadwell-E (2016) | Vermeer (Zen 3) (2020−2022) |
| PassMark | 10,715 | 27,712+159% |
Memory & Platform
The Core i7-6800K uses the LGA2011 socket (PCIe 3.0), while the Ryzen 7 5800X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard.
| Feature | Core i7-6800K | Ryzen 7 5800X |
|---|---|---|
| Socket | LGA2011 | 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 i7-6800K) / AMD-V (Ryzen 7 5800X). Primary use case: Ryzen 7 5800X targets Desktop.
| Feature | Core i7-6800K | Ryzen 7 5800X |
|---|---|---|
| Integrated GPU | — | No |
| Unlocked | — | Yes |
| AVX-512 | — | No |
| Virtualization | — | AMD-V |
| Target Use | — | Desktop |
Value Analysis
The Core i7-6800K launched at $434 MSRP, while the Ryzen 7 5800X debuted at $449. At current prices ($120 vs $180), the Core i7-6800K is $60 cheaper. In terms of value (PassMark points per dollar), the Core i7-6800K delivers 89.3 pts/$ vs 154.0 pts/$ for the Ryzen 7 5800X — making the Ryzen 7 5800X the 53.2% better value option.
| Feature | Core i7-6800K | Ryzen 7 5800X |
|---|---|---|
| MSRP | $434-3% | $449 |
| Avg Price (30d) | $120-33% | $180 |
| Performance per Dollar | 89.3 | 154.0+72% |
| Release Date | 2016 | 2020 |
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