FX-8370 vs Core i7-8665U
FX-8370
Core i7-8665U
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 FX-8370 is positioned at rank 583 and the Core i7-8665U is on rank 544, 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 FX-8370
Performance Per Dollar Core i7-8665U
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | FX-8370 | Core i7-8665U |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($100) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Vishera (2012−2015) / 32 nm) | ✨ Modern (Whiskey Lake-U (2018−2019) / 14 nm) |
💎 Value Proposition
| Insight | FX-8370 | Core i7-8665U |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($100) | ✅ More affordable ($0) |
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 FX-8370 and Core i7-8665U
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.
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.
Processing Power
The FX-8370 packs 8 cores / 8 threads, while the Core i7-8665U offers 4 cores / 8 threads — the FX-8370 has 4 more cores. Boost clocks reach 4.3 GHz on the FX-8370 versus 4.8 GHz on the Core i7-8665U — a 11% clock advantage for the Core i7-8665U (base: 4 GHz vs 1.9 GHz). The FX-8370 uses the Vishera (2012−2015) architecture (32 nm), while the Core i7-8665U uses Whiskey Lake-U (2018−2019) (14 nm). In PassMark, the FX-8370 scores 6,184 against the Core i7-8665U's 6,202 — a 0.3% lead for the Core i7-8665U.
| Feature | FX-8370 | Core i7-8665U |
|---|---|---|
| Cores / Threads | 8 / 8+100% | 4 / 8 |
| Boost Clock | 4.3 GHz | 4.8 GHz+12% |
| Base Clock | 4 GHz+111% | 1.9 GHz |
| L3 Cache | — | 8 MB (total) |
| L2 Cache | 8192 kB+3100% | 256 kB (per core) |
| Process | 32 nm | 14 nm-56% |
| Architecture | Vishera (2012−2015) | Whiskey Lake-U (2018−2019) |
| PassMark | 6,184 | 6,202 |
| Cinebench R23 Multi | 3,800 | — |
| Geekbench 6 Single | 520 | — |
| Geekbench 6 Multi | 2,050 | — |
Memory & Platform
The FX-8370 uses the AM3+ socket (PCIe 2.0), while the Core i7-8665U uses FCBGA1528 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | FX-8370 | Core i7-8665U |
|---|---|---|
| Socket | AM3+ | FCBGA1528 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | DDR3-1866 | — |
| Max RAM Capacity | 32 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 20 | — |
Advanced Features
Virtualization: AMD-V (FX-8370) / not specified (Core i7-8665U). Primary use case: FX-8370 targets Legacy Gaming. Direct competitor: FX-8370 rivals Core i5-6400.
| Feature | FX-8370 | Core i7-8665U |
|---|---|---|
| Integrated GPU | No | — |
| IGPU Model | None | — |
| Unlocked | Yes | — |
| AVX-512 | No | — |
| Virtualization | AMD-V | — |
| Target Use | Legacy Gaming | — |
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