
Core i7-6800K vs Core i7-9750H

Core i7-6800K

Core i7-9750H
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 i7-6800K is positioned at rank 691 and the Core i7-9750H is on rank 258, so the Core i7-9750H offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i7-6800K
Performance Per Dollar Core i7-9750H
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-6800K | Core i7-9750H |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($120) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Broadwell-E (2016) / 14 nm) | ✨ Modern (Coffee Lake-HR (2019) / 14 nm) |
💎 Value Proposition
| Insight | Core i7-6800K | Core i7-9750H |
|---|---|---|
| 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 Core i7-9750H

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.

Core i7-9750H
The Core i7-9750H is manufactured by Intel. It was released in 23 April 2019 (6 years ago). It is based on the Coffee Lake-HR (2019) architecture. It features 6 cores and 12 threads. Base frequency is 2.6 GHz, with boost up to 4.5 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: BGA1440. Thermal design power (TDP): 45 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 10,611 points. Launch price was $149.
Processing Power
Both the Core i7-6800K and Core i7-9750H share an identical 6-core/12-thread configuration. Boost clocks reach 3.8 GHz on the Core i7-6800K versus 4.5 GHz on the Core i7-9750H — a 16.9% clock advantage for the Core i7-9750H (base: 3.4 GHz vs 2.6 GHz). The Core i7-6800K uses the Broadwell-E (2016) architecture (14 nm), while the Core i7-9750H uses Coffee Lake-HR (2019) (14 nm). In PassMark, the Core i7-6800K scores 10,715 against the Core i7-9750H's 10,611 — a 1% lead for the Core i7-6800K. L3 cache: 15 MB (total) on the Core i7-6800K vs 12 MB (total) on the Core i7-9750H.
| Feature | Core i7-6800K | Core i7-9750H |
|---|---|---|
| Cores / Threads | 6 / 12 | 6 / 12 |
| Boost Clock | 3.8 GHz | 4.5 GHz+18% |
| Base Clock | 3.4 GHz+31% | 2.6 GHz |
| L3 Cache | 15 MB (total)+25% | 12 MB (total) |
| L2 Cache | 256 kB (per core) | 256K (per core) |
| Process | 14 nm | 14 nm |
| Architecture | Broadwell-E (2016) | Coffee Lake-HR (2019) |
| PassMark | 10,715 | 10,611 |
Memory & Platform
The Core i7-6800K uses the LGA2011 socket (PCIe 3.0), while the Core i7-9750H uses BGA1440 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Core i7-6800K | Core i7-9750H |
|---|---|---|
| Socket | LGA2011 | BGA1440 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
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