Athlon X4 880K vs Core i7-6660U

Athlon X4 880K vs Core i7-6660U Performance Spectrum

Athlon X4 880K

4 / 4

3,649

+0.6%

Ryzen Threadripper 3990X

Core i7-6660U

2 / 4

3,628

0.0%

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.

Athlon X4 880K vs Core i7-6660U 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.

Athlon X4 880K vs Core i7-6660U: Pros, Cons & Final Verdict

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

Athlon X4 880K

2015

Why buy it

✅Better for gaming: +15.3% higher average FPS across 50 shared CPU benchmark tests.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Launch MSRP is still $95 MSRP, while Core i7-6660U mostly shows up through inconsistent older-market listings.
❌533.3% higher power demand at 95W vs 15W.

Core i7-6660U

2016

Why buy it

✅Draws 15W instead of 95W, a 80W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Athlon X4 880K across 50 shared CPU benchmark tests.
❌Lower PassMark (3,628 vs 3,649).

Quick Answers

So, is Athlon X4 880K better than Core i7-6660U?

Yes. Athlon X4 880K is the better all-around CPU here. It gives you a 15.3% average FPS lead across 50 shared CPU game tests in our data and 0.6% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Athlon X4 880K is the better pick. According to our tests, it delivers 15.3% 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, Athlon X4 880K is the stronger fit. You are getting 0.6% better PassMark, backed by 4 cores and 4 threads.

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

Athlon X4 880K is the better buy right now. Athlon X4 880K comes in at an unclear MSRP at $95 MSRP versus unclear MSRP, and it still gives you a 15.3% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (38.4 vs 0.0 PassMark/$), 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 i7-6660U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2016 vs 2015). That makes it the safer long-term bet.

Athlon X4 880K vs Core i7-6660U Technical Specifications

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

Athlon X4 880K

The Athlon X4 880K is manufactured by AMD. It was released in 2009-01-01. It is based on the Godaveri (2014−2016) architecture. It features 4 cores and 4 threads. Base frequency is 4 GHz, with boost up to 4.2 GHz. L2 cache: 4 MB. Built on 28 nm process technology. Socket: FM2+. Thermal design power (TDP): 95 Watt. Memory support: DDR3-2133. Passmark benchmark score: 3,649 points. Launch price was $149.

Core i7-6660U

The Core i7-6660U is manufactured by Intel. It was released in 20 March 2016 (9 years ago). It is based on the Skylake (2015−2016) architecture. It features 2 cores and 4 threads. Base frequency is 2.4 GHz, with boost up to 3.4 GHz. L3 cache: 4 MB. L2 cache: 512 kB. Built on 14 nm process technology. Socket: BGA1356. Thermal design power (TDP): 15 Watt. Memory support: DDR4-2133, LPDDR3-1866, DDR3L-1600. Passmark benchmark score: 3,628 points. Launch price was $415.

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Processing Power

The Athlon X4 880K packs 4 cores / 4 threads, while the Core i7-6660U offers 2 cores / 4 threads — the Athlon X4 880K has 2 more cores. Boost clocks reach 4.2 GHz on the Athlon X4 880K versus 3.4 GHz on the Core i7-6660U — a 21.1% clock advantage for the Athlon X4 880K (base: 4 GHz vs 2.4 GHz). The Athlon X4 880K uses the Godaveri (2014−2016) architecture (28 nm), while the Core i7-6660U uses Skylake (2015−2016) (14 nm). In PassMark, the Athlon X4 880K scores 3,649 against the Core i7-6660U's 3,628 — a 0.6% lead for the Athlon X4 880K.

Feature	Athlon X4 880K	Core i7-6660U
Cores / Threads	4 / 4+100%	2 / 4
Boost Clock	4.2 GHz+24%	3.4 GHz
Base Clock	4 GHz+67%	2.4 GHz
L3 Cache	—	4 MB
L2 Cache	4 MB+700%	512 kB
Process	28 nm	14 nm-50%
Architecture	Godaveri (2014−2016)	Skylake (2015−2016)
PassMark	3,649	3,628

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Memory & Platform

The Athlon X4 880K uses the FM2+ socket (PCIe 3.0), while the Core i7-6660U uses BGA1356 (PCIe 3.0) — making them incompatible on the same motherboard.