Core i7-6700K vs Processor U300

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 i7-6700K vs Processor U300 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 i7-6700K vs Processor U300: Pros, Cons & Final Verdict

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

Core i7-6700K

2015

Why buy it

✅Better for gaming: +20.2% higher average FPS across 50 shared CPU benchmark tests.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with HD Graphics 530, while Processor U300 needs a discrete GPU.

Trade-offs

❌Lower PassMark per dollar, at 25.5 vs 46.1 PassMark/$ ($350 MSRP vs $193 MSRP).
❌506.7% higher power demand at 91W vs 15W.
❌Older platform position on LGA1151 with DDR4, while Processor U300 moves to FCBGA1744 and DDR5.

Processor U300

2023

Why buy it

✅Costs $157 less on MSRP ($193 MSRP vs $350 MSRP).
✅Delivers 80.6% more PassMark for each dollar spent, at 46.1 vs 25.5 PassMark/$ ($193 MSRP vs $350 MSRP).
✅Draws 15W instead of 91W, a 76W reduction.
✅Newer platform on FCBGA1744 with DDR5 support instead of LGA1151 and DDR4.

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-6700K across 50 shared CPU benchmark tests.
❌Lower PassMark (8,897 vs 8,933).
❌No integrated graphics, while Core i7-6700K can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core i7-6700K better than Processor U300?

Yes. Core i7-6700K is the better all-around CPU here. It gives you a 20.2% average FPS lead across 50 shared CPU game tests in our data and 0.4% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Core i7-6700K is the better pick. According to our tests, it delivers 20.2% more average FPS across 50 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Core i7-6700K is the stronger fit. You are getting 0.4% better PassMark, backed by 4 cores and 8 threads.

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

Core i7-6700K is the easy recommendation for a fresh desktop build. Core i7-6700K comes in 81.3% more expensive on MSRP at $350 MSRP versus $193 MSRP, and it still gives you a 20.2% average FPS lead across 50 shared CPU game tests in our data. Processor U300 only looks good on raw value math because it is a cheap legacy laptop chip, not because it is a real desktop gaming recommendation. It simply does not keep up in modern games, especially when the gap is already 20.2% in the shared gaming data.

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

Processor U300 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2015) and a healthier platform with FCBGA1744 and DDR5 instead of LGA1151. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i7-6700K vs Processor U300 Technical Specifications

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

Core i7-6700K

The Core i7-6700K is manufactured by Intel. It was released in 5 August 2015 (10 years ago). It is based on the Skylake (2015−2016) architecture. It features 4 cores and 8 threads. Base frequency is 4 GHz, with boost up to 4.2 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 91 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 8,933 points. Launch price was $339.

Processor U300

The Processor U300 is manufactured by Intel. It was released in 4 January 2023 (2 years ago). It is based on the Raptor Lake-U (2023) architecture. It features 5 cores and 6 threads. Base frequency is 1.2 GHz, with boost up to 4.4 GHz. L3 cache: 8 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm process technology. Socket: FCBGA1744. Thermal design power (TDP): 15 Watt. Memory support: DDR4, DDR5 Dual-channel. Passmark benchmark score: 8,897 points. Launch price was $193.

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Processing Power

The Core i7-6700K packs 4 cores / 8 threads, while the Processor U300 offers 5 cores / 6 threads — the Processor U300 has 1 more core. Boost clocks reach 4.2 GHz on the Core i7-6700K versus 4.4 GHz on the Processor U300 — a 4.7% clock advantage for the Processor U300 (base: 4 GHz vs 1.2 GHz). The Core i7-6700K uses the Skylake (2015−2016) architecture (14 nm), while the Processor U300 uses Raptor Lake-U (2023) (10 nm). In PassMark, the Core i7-6700K scores 8,933 against the Processor U300's 8,897 — a 0.4% lead for the Core i7-6700K. Both processors carry 8 MB (total) of L3 cache.

Feature	Core i7-6700K	Processor U300
Cores / Threads	4 / 8	5 / 6+25%
Boost Clock	4.2 GHz	4.4 GHz+5%
Base Clock	4 GHz+233%	1.2 GHz
L3 Cache	8 MB (total)	8 MB (total)
L2 Cache	256 kB (per core)	1.25 MB (per core)+400%
Process	14 nm	10 nm-29%
Architecture	Skylake (2015−2016)	Raptor Lake-U (2023)
PassMark	8,933	8,897

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Memory & Platform

The Core i7-6700K uses the LGA1151 socket (PCIe 3.0), while the Processor U300 uses FCBGA1744 (PCIe 5.0) — making them incompatible on the same motherboard.

Feature	Core i7-6700K	Processor U300
Socket	LGA1151	FCBGA1744
PCIe Generation	PCIe 3.0	PCIe 5.0+67%
Max RAM Speed	DDR4-2133	—
Max RAM Capacity	64 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	16	—

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Advanced Features

Virtualization: VT-x, VT-d (Core i7-6700K) / not specified (Processor U300). The Core i7-6700K includes integrated graphics (HD Graphics 530), while the Processor U300 requires a dedicated GPU. Primary use case: Core i7-6700K targets Desktop.

Feature	Core i7-6700K	Processor U300
Integrated GPU	Yes	—
IGPU Model	HD Graphics 530	—
Unlocked	Yes	—
AVX-512	No	—
Virtualization	VT-x, VT-d	—
Target Use	Desktop	—

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Value Analysis

At launch, the Core i7-6700K was priced at $350, while the Processor U300 came in at $193. On launch pricing ($350 vs $193), Processor U300 was $157 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-6700K delivers 25.5 pts/$ vs 46.1 pts/$ for the Processor U300 — making the Processor U300 the 57.5% better value option.

Feature	Core i7-6700K	Processor U300
MSRP	$350	$193-45%
Performance per Dollar	25.5	46.1+81%
Release Date	2015	2023

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