Core i3-7350K vs FX-8140
Core i3-7350K
FX-8140
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 FX-8140 is on rank 759, 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 FX-8140
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i3-7350K | FX-8140 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($45) | ⚠️ Higher cost ($120) |
| Longevity | ✨ Modern (Kaby Lake (2016−2019) / 14 nm) | 🛑 Legacy (Zambezi (2011−2012) / 32 nm) |
💎 Value Proposition
| Insight | Core i3-7350K | FX-8140 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+168%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($45) | ⚠️ Higher cost ($120) |
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 FX-8140
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.
FX-8140
The FX-8140 is manufactured by AMD. It was released in 23 October 2012 (13 years ago). It is based on the Zambezi (2011−2012) architecture. It features 8 cores and 8 threads. Base frequency is 3.2 GHz, with boost up to 4.1 GHz. L3 cache: 8 MB (total). L2 cache: 8 MB. Built on 32 nm process technology. Socket: AM3+. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 4,860 points. Launch price was $69.
Processing Power
The Core i3-7350K packs 2 cores / 4 threads, while the FX-8140 offers 8 cores / 8 threads — the FX-8140 has 6 more cores. Boost clocks reach 4.2 GHz on the Core i3-7350K versus 4.1 GHz on the FX-8140 — a 2.4% clock advantage for the Core i3-7350K (base: 4.2 GHz vs 3.2 GHz). The Core i3-7350K uses the Kaby Lake (2016−2019) architecture (14 nm), while the FX-8140 uses Zambezi (2011−2012) (32 nm). In PassMark, the Core i3-7350K scores 4,886 against the FX-8140's 4,860 — a 0.5% lead for the Core i3-7350K. L3 cache: 4 MB (total) on the Core i3-7350K vs 8 MB (total) on the FX-8140.
| Feature | Core i3-7350K | FX-8140 |
|---|---|---|
| Cores / Threads | 2 / 4 | 8 / 8+300% |
| Boost Clock | 4.2 GHz+2% | 4.1 GHz |
| Base Clock | 4.2 GHz+31% | 3.2 GHz |
| L3 Cache | 4 MB (total) | 8 MB (total)+100% |
| L2 Cache | 256K (per core) | 8 MB+3100% |
| Process | 14 nm-56% | 32 nm |
| Architecture | Kaby Lake (2016−2019) | Zambezi (2011−2012) |
| PassMark | 4,886 | 4,860 |
| 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 FX-8140 uses AM3+ (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Core i3-7350K | FX-8140 |
|---|---|---|
| Socket | LGA1151 | AM3+ |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | DDR4-2400 | — |
| Max RAM Capacity | 64 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ✅ | — |
| PCIe Lanes | 16 | — |
Advanced Features
Virtualization: true (Core i3-7350K) / not specified (FX-8140). The Core i3-7350K includes integrated graphics (Intel HD Graphics 630), while the FX-8140 requires a dedicated GPU.
| Feature | Core i3-7350K | FX-8140 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Intel HD Graphics 630 | — |
| AVX-512 | No | — |
| Virtualization | true | — |
Value Analysis
The Core i3-7350K launched at $179 MSRP, while the FX-8140 debuted at $225. At current prices ($45 vs $120), the Core i3-7350K is $75 cheaper. In terms of value (PassMark points per dollar), the Core i3-7350K delivers 108.6 pts/$ vs 40.5 pts/$ for the FX-8140 — making the Core i3-7350K the 91.3% better value option.
| Feature | Core i3-7350K | FX-8140 |
|---|---|---|
| MSRP | $179-20% | $225 |
| Avg Price (30d) | $45-63% | $120 |
| Performance per Dollar | 108.6+168% | 40.5 |
| Release Date | 2017 | 2012 |
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