Core i7-8665U vs FX-8370
Core i7-8665U
FX-8370
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 FX-8370 is on rank 583, 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 FX-8370
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-8665U | FX-8370 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($100) |
| Longevity | ✨ Modern (Whiskey Lake-U (2018−2019) / 14 nm) | 🛑 Legacy (Vishera (2012−2015) / 32 nm) |
💎 Value Proposition
| Insight | Core i7-8665U | FX-8370 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($100) |
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 FX-8370
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.
FX-8370
The FX-8370 is manufactured by AMD. It was released in 2 September 2014 (11 years ago). It is based on the Vishera (2012−2015) architecture. It features 8 cores and 8 threads. Base frequency is 4 GHz, with boost up to 4.3 GHz. L2 cache: 8192 kB. Built on 32 nm process technology. Socket: AM3+. Thermal design power (TDP): 125 Watt. Memory support: DDR3. Passmark benchmark score: 6,184 points. Launch price was $199.
Processing Power
The Core i7-8665U packs 4 cores / 8 threads, while the FX-8370 offers 8 cores / 8 threads — the FX-8370 has 4 more cores. Boost clocks reach 4.8 GHz on the Core i7-8665U versus 4.3 GHz on the FX-8370 — a 11% clock advantage for the Core i7-8665U (base: 1.9 GHz vs 4 GHz). The Core i7-8665U uses the Whiskey Lake-U (2018−2019) architecture (14 nm), while the FX-8370 uses Vishera (2012−2015) (32 nm). In PassMark, the Core i7-8665U scores 6,202 against the FX-8370's 6,184 — a 0.3% lead for the Core i7-8665U.
| Feature | Core i7-8665U | FX-8370 |
|---|---|---|
| Cores / Threads | 4 / 8 | 8 / 8+100% |
| Boost Clock | 4.8 GHz+12% | 4.3 GHz |
| Base Clock | 1.9 GHz | 4 GHz+111% |
| L3 Cache | 8 MB (total) | — |
| L2 Cache | 256 kB (per core) | 8192 kB+3100% |
| Process | 14 nm-56% | 32 nm |
| Architecture | Whiskey Lake-U (2018−2019) | Vishera (2012−2015) |
| PassMark | 6,202 | 6,184 |
| Cinebench R23 Multi | — | 3,800 |
| Geekbench 6 Single | — | 520 |
| Geekbench 6 Multi | — | 2,050 |
Memory & Platform
The Core i7-8665U uses the FCBGA1528 socket (PCIe 3.0), while the FX-8370 uses AM3+ (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Core i7-8665U | FX-8370 |
|---|---|---|
| Socket | FCBGA1528 | AM3+ |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | — | DDR3-1866 |
| Max RAM Capacity | — | 32 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 20 |
Advanced Features
Virtualization: not specified (Core i7-8665U) / AMD-V (FX-8370). Primary use case: FX-8370 targets Legacy Gaming. Direct competitor: FX-8370 rivals Core i5-6400.
| Feature | Core i7-8665U | FX-8370 |
|---|---|---|
| Integrated GPU | — | No |
| IGPU Model | — | None |
| Unlocked | — | Yes |
| AVX-512 | — | No |
| Virtualization | — | AMD-V |
| Target Use | — | Legacy Gaming |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on Core i7-8665U and FX-8370
