Core i3-7350K vs Core i7-8665UE
Core i3-7350K
Core i7-8665UE
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 i3-7350K is positioned at rank 636 and the Core i7-8665UE is on rank 1037, so the Core i3-7350K offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i3-7350K
Performance Per Dollar Core i7-8665UE
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i3-7350K | Core i7-8665UE |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($45) | ⚠️ Higher cost ($409) |
| Longevity | ✨ Modern (Kaby Lake (2016−2019) / 14 nm) | ✨ Modern (Whiskey Lake-U (2018−2019) / 14 nm) |
💎 Value Proposition
| Insight | Core i3-7350K | Core i7-8665UE |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+815%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($45) | ⚠️ Higher cost ($409) |
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 i3-7350K and Core i7-8665UE
Core i3-7350K
The Core i3-7350K is manufactured by Intel. It was released in 3 January 2017 (8 years ago). It is based on the Kaby Lake (2016−2019) architecture. It features 2 cores and 4 threads. Base frequency is 4.2 GHz, with boost up to 4.2 GHz. L3 cache: 4 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 60 Watt. Memory support: DDR4. Passmark benchmark score: 4,886 points. Launch price was $179.
Core i7-8665UE
The Core i7-8665UE 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 1.7 GHz, with boost up to 4.4 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: DDR3, DDR4. Passmark benchmark score: 4,852 points. Launch price was $409.
Processing Power
The Core i3-7350K packs 2 cores / 4 threads, while the Core i7-8665UE offers 4 cores / 8 threads — the Core i7-8665UE has 2 more cores. Boost clocks reach 4.2 GHz on the Core i3-7350K versus 4.4 GHz on the Core i7-8665UE — a 4.7% clock advantage for the Core i7-8665UE (base: 4.2 GHz vs 1.7 GHz). The Core i3-7350K uses the Kaby Lake (2016−2019) architecture (14 nm), while the Core i7-8665UE uses Whiskey Lake-U (2018−2019) (14 nm). In PassMark, the Core i3-7350K scores 4,886 against the Core i7-8665UE's 4,852 — a 0.7% lead for the Core i3-7350K. L3 cache: 4 MB (total) on the Core i3-7350K vs 8 MB (total) on the Core i7-8665UE.
| Feature | Core i3-7350K | Core i7-8665UE |
|---|---|---|
| Cores / Threads | 2 / 4 | 4 / 8+100% |
| Boost Clock | 4.2 GHz | 4.4 GHz+5% |
| Base Clock | 4.2 GHz+147% | 1.7 GHz |
| L3 Cache | 4 MB (total) | 8 MB (total)+100% |
| L2 Cache | 256K (per core) | 256 kB (per core) |
| Process | 14 nm | 14 nm |
| Architecture | Kaby Lake (2016−2019) | Whiskey Lake-U (2018−2019) |
| PassMark | 4,886 | 4,852 |
| Cinebench R23 Multi | 3,100 | — |
| Geekbench 6 Single | 1,298 | — |
| Geekbench 6 Multi | 2,740 | — |
Memory & Platform
The Core i3-7350K uses the LGA1151 socket (PCIe 3.0), while the Core i7-8665UE uses FCBGA1528 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR4-2400 memory speed. Both support up to 64 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes.
| Feature | Core i3-7350K | Core i7-8665UE |
|---|---|---|
| Socket | LGA1151 | FCBGA1528 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | DDR4-2400 | DDR4-2400 |
| Max RAM Capacity | 64 GB | 64 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Virtualization support: true (Core i3-7350K) vs VT-x, VT-d (Core i7-8665UE). Both include integrated graphics — Intel HD Graphics 630 (Core i3-7350K) and UHD Graphics 620 (Core i7-8665UE) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i7-8665UE targets Embedded.
| Feature | Core i3-7350K | Core i7-8665UE |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Intel HD Graphics 630 | UHD Graphics 620 |
| Unlocked | — | No |
| AVX-512 | No | No |
| Virtualization | true | VT-x, VT-d |
| Target Use | — | Embedded |
Value Analysis
The Core i3-7350K launched at $179 MSRP, while the Core i7-8665UE debuted at $409. At current prices ($45 vs $409), the Core i3-7350K is $364 cheaper. In terms of value (PassMark points per dollar), the Core i3-7350K delivers 108.6 pts/$ vs 11.9 pts/$ for the Core i7-8665UE — making the Core i3-7350K the 160.6% better value option.
| Feature | Core i3-7350K | Core i7-8665UE |
|---|---|---|
| MSRP | $179-56% | $409 |
| Avg Price (30d) | $45-89% | $409 |
| Performance per Dollar | 108.6+813% | 11.9 |
| Release Date | 2017 | 2018 |
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