CPU
GPU
Core i7-8665U
Core i7-6700TE
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 i7-8665U is positioned at rank 544 and the Core i7-6700TE is on rank 788, so the Core i7-8665U offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i7-8665U
Performance Per Dollar Core i7-6700TE
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-8665U | Core i7-6700TE |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($175) |
| Longevity | ✨ Modern (Whiskey Lake-U (2018−2019) / 14 nm) | 🛑 Legacy (Skylake (2015−2016) / 14 nm) |
💎 Value Proposition
| Insight | Core i7-8665U | Core i7-6700TE |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($175) |
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 i7-8665U and Core i7-6700TE
Core i7-8665U
The Core i7-8665U is manufactured by Intel. It was released in 1 October 2018 (7 years ago). It is based on the Whiskey Lake-U (2018−2019) architecture. It features 4 cores and 8 threads. Base frequency is 1.9 GHz, with boost up to 4.8 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: FCBGA1528. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 6,202 points. Launch price was $409.
Core i7-6700TE
The Core i7-6700TE is manufactured by Intel. It was released in 19 October 2015 (10 years ago). It is based on the Skylake (2015−2016) architecture. It features 4 cores and 8 threads. Base frequency is 2.4 GHz, with boost up to 3.4 GHz. L3 cache: 8 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 35 Watt. Memory support: DDR4. Passmark benchmark score: 6,203 points. Launch price was $303.
Processing Power
Both the Core i7-8665U and Core i7-6700TE share an identical 4-core/8-thread configuration. Boost clocks reach 4.8 GHz on the Core i7-8665U versus 3.4 GHz on the Core i7-6700TE — a 34.1% clock advantage for the Core i7-8665U (base: 1.9 GHz vs 2.4 GHz). The Core i7-8665U uses the Whiskey Lake-U (2018−2019) architecture (14 nm), while the Core i7-6700TE uses Skylake (2015−2016) (14 nm). In PassMark, the Core i7-8665U scores 6,202 against the Core i7-6700TE's 6,203 — a 0% lead for the Core i7-6700TE. Both processors carry 8 MB (total) of L3 cache.
| Feature | Core i7-8665U | Core i7-6700TE |
|---|---|---|
| Cores / Threads | 4 / 8 | 4 / 8 |
| Boost Clock | 4.8 GHz+41% | 3.4 GHz |
| Base Clock | 1.9 GHz | 2.4 GHz+26% |
| L3 Cache | 8 MB (total) | 8 MB (total) |
| L2 Cache | 256 kB (per core) | 256K (per core) |
| Process | 14 nm | 14 nm |
| Architecture | Whiskey Lake-U (2018−2019) | Skylake (2015−2016) |
| PassMark | 6,202 | 6,203 |
| Geekbench 6 Single | — | 914 |
| Geekbench 6 Multi | — | 3,244 |
Memory & Platform
The Core i7-8665U uses the FCBGA1528 socket (PCIe 3.0), while the Core i7-6700TE uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Core i7-8665U | Core i7-6700TE |
|---|---|---|
| Socket | FCBGA1528 | LGA1151 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | — | DDR4-2133 |
| Max RAM Capacity | — | 64 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 16 |
Advanced Features
Virtualization: not specified (Core i7-8665U) / VT-x, VT-d, EPT (Core i7-6700TE). The Core i7-6700TE includes integrated graphics (HD Graphics 530), while the Core i7-8665U requires a dedicated GPU. Primary use case: Core i7-6700TE targets Gaming. Direct competitor: Core i7-6700TE rivals Ryzen 5 3600.
| Feature | Core i7-8665U | Core i7-6700TE |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | HD Graphics 530 |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x, VT-d, EPT |
| Target Use | — | Gaming |
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