Core i7-6800K vs Ryzen 3 PRO 5450U
Core i7-6800K
Ryzen 3 PRO 5450U
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
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-6800K | Ryzen 3 PRO 5450U |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($120) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Broadwell-E (2016) / 14 nm) | ✨ Modern (Cezanne-U PRO (Zen 3) (2021) / 7 nm) |
💎 Value Proposition
| Insight | Core i7-6800K | Ryzen 3 PRO 5450U |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($120) | ✅ More affordable ($0) |
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 3 PRO 5450U
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 3 PRO 5450U
The Ryzen 3 PRO 5450U is manufactured by AMD. It was released in 16 March 2021 (4 years ago). It is based on the Cezanne-U PRO (Zen 3) (2021) architecture. It features 4 cores and 8 threads. Base frequency is 2.6 GHz, with boost up to 4 GHz. L3 cache: 8 MB (total). L2 cache: 512K (per core). Built on 7 nm process technology. Socket: FP6. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 10,828 points. Launch price was $149.
Processing Power
The Core i7-6800K packs 6 cores / 12 threads, while the Ryzen 3 PRO 5450U offers 4 cores / 8 threads — the Core i7-6800K has 2 more cores. Boost clocks reach 3.8 GHz on the Core i7-6800K versus 4 GHz on the Ryzen 3 PRO 5450U — a 5.1% clock advantage for the Ryzen 3 PRO 5450U (base: 3.4 GHz vs 2.6 GHz). The Core i7-6800K uses the Broadwell-E (2016) architecture (14 nm), while the Ryzen 3 PRO 5450U uses Cezanne-U PRO (Zen 3) (2021) (7 nm). In PassMark, the Core i7-6800K scores 10,715 against the Ryzen 3 PRO 5450U's 10,828 — a 1% lead for the Ryzen 3 PRO 5450U. L3 cache: 15 MB (total) on the Core i7-6800K vs 8 MB (total) on the Ryzen 3 PRO 5450U.
| Feature | Core i7-6800K | Ryzen 3 PRO 5450U |
|---|---|---|
| Cores / Threads | 6 / 12+50% | 4 / 8 |
| Boost Clock | 3.8 GHz | 4 GHz+5% |
| Base Clock | 3.4 GHz+31% | 2.6 GHz |
| L3 Cache | 15 MB (total)+88% | 8 MB (total) |
| L2 Cache | 256 kB (per core) | 512K (per core)+100% |
| Process | 14 nm | 7 nm-50% |
| Architecture | Broadwell-E (2016) | Cezanne-U PRO (Zen 3) (2021) |
| PassMark | 10,715 | 10,828+1% |
Memory & Platform
The Core i7-6800K uses the LGA2011 socket (PCIe 3.0), while the Ryzen 3 PRO 5450U uses FP6 (PCIe 4.0) — making them incompatible on the same motherboard.
| Feature | Core i7-6800K | Ryzen 3 PRO 5450U |
|---|---|---|
| Socket | LGA2011 | FP6 |
| PCIe Generation | PCIe 3.0 | PCIe 4.0+33% |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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