Core i7-6800K vs Core i7-9750H

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.

Core i7-6800K vs Core i7-9750H FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Core i7-6800K vs Core i7-9750H: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Core i7-6800K

2016

Why buy it

✅+1% higher PassMark.
✅+25% larger total L3 cache (15 MB vs 12 MB).

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-9750H across 50 shared CPU benchmark tests.
❌Launch MSRP is still $434 MSRP, while Core i7-9750H mostly shows up through inconsistent older-market listings.

Core i7-9750H

2019

Why buy it

✅Better for gaming: +12.5% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

❌Lower PassMark (10,611 vs 10,715).
❌Smaller total L3 cache (12 MB vs 15 MB).

Quick Answers

So, is Core i7-6800K better than Core i7-9750H?

It depends on what you want from the system. For gaming, Core i7-9750H is ahead with a 12.5% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i7-6800K pulls ahead with 1% better PassMark. Core i7-6800K also has the bigger cache pool with 25% larger total L3 cache (15 MB vs 12 MB).

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Core i7-6800K is the stronger fit. You are getting 1% better PassMark, backed by 6 cores and 12 threads. It also has the larger cache pool with 25% larger total L3 cache (15 MB vs 12 MB).

Which one is the smarter buy today, not just the cheaper CPU?

Core i7-6800K is the better buy right now. Core i7-6800K comes in at an unclear MSRP at $434 MSRP versus unclear MSRP, and it still gives you 1% better PassMark. The compromise is that Core i7-9750H is still the better pure gaming CPU with a 12.5% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (24.7 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

Which one is more future-proof for 2026 and beyond?

Core i7-9750H makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2019 vs 2016). That makes it the safer long-term bet.

Core i7-6800K vs Core i7-9750H Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

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.

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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

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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.