Core i7-6660U vs Athlon X4 880K
Core i7-6660U
Athlon X4 880K
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 i7-6660U is positioned at rank 612 and the Athlon X4 880K is on rank 511, so the Athlon X4 880K offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i7-6660U
Performance Per Dollar Athlon X4 880K
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-6660U | Athlon X4 880K |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($25) |
| Longevity | 🛑 Legacy (Skylake (2015−2016) / 14 nm) | 🛑 Legacy (Godaveri (2014−2016) / 28 nm) |
💎 Value Proposition
| Insight | Core i7-6660U | Athlon X4 880K |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($25) |
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 i7-6660U and Athlon X4 880K
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.
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.
Processing Power
The Core i7-6660U packs 2 cores / 4 threads, while the Athlon X4 880K offers 4 cores / 4 threads — the Athlon X4 880K has 2 more cores. Boost clocks reach 3.4 GHz on the Core i7-6660U versus 4.2 GHz on the Athlon X4 880K — a 21.1% clock advantage for the Athlon X4 880K (base: 2.4 GHz vs 4 GHz). The Core i7-6660U uses the Skylake (2015−2016) architecture (14 nm), while the Athlon X4 880K uses Godaveri (2014−2016) (28 nm). In PassMark, the Core i7-6660U scores 3,628 against the Athlon X4 880K's 3,649 — a 0.6% lead for the Athlon X4 880K.
| Feature | Core i7-6660U | Athlon X4 880K |
|---|---|---|
| Cores / Threads | 2 / 4 | 4 / 4+100% |
| Boost Clock | 3.4 GHz | 4.2 GHz+24% |
| Base Clock | 2.4 GHz | 4 GHz+67% |
| L3 Cache | 4 MB | — |
| L2 Cache | 512 kB | 4 MB+700% |
| Process | 14 nm-50% | 28 nm |
| Architecture | Skylake (2015−2016) | Godaveri (2014−2016) |
| PassMark | 3,628 | 3,649 |
Memory & Platform
The Core i7-6660U uses the BGA1356 socket (PCIe 3.0), while the Athlon X4 880K uses FM2+ (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Core i7-6660U | Athlon X4 880K |
|---|---|---|
| Socket | BGA1356 | FM2+ |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | — | DDR3-2133 |
| Max RAM Capacity | — | 64 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 16 |
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The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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