Core i5-12400F vs FX-8140
Core i5-12400F
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.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i5-12400F
Performance Per Dollar FX-8140
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i5-12400F | FX-8140 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($110) | ⚠️ Higher cost ($120) |
| Longevity | ✨ Modern (Alder Lake-S (2022) / Intel 7 nm) | 🛑 Legacy (Zambezi (2011−2012) / 32 nm) |
💎 Value Proposition
| Insight | Core i5-12400F | FX-8140 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+338%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($110) | ⚠️ 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 i5-12400F and FX-8140
Core i5-12400F
The Core i5-12400F is manufactured by Intel. It was released in 4 January 2022 (3 years ago). It is based on the Alder Lake-S (2022) architecture. It features 6 cores and 12 threads. Base frequency is 2.5 GHz, with boost up to 4.4 GHz. L3 cache: 18 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 65 Watt. Memory support: DDR5-4800, DDR4-3200. Passmark benchmark score: 19,532 points. Launch price was $180.
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 i5-12400F packs 6 cores / 12 threads, while the FX-8140 offers 8 cores / 8 threads — the FX-8140 has 2 more cores. Boost clocks reach 4.4 GHz on the Core i5-12400F versus 4.1 GHz on the FX-8140 — a 7.1% clock advantage for the Core i5-12400F (base: 2.5 GHz vs 3.2 GHz). The Core i5-12400F uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the FX-8140 uses Zambezi (2011−2012) (32 nm). In PassMark, the Core i5-12400F scores 19,532 against the FX-8140's 4,860 — a 120.3% lead for the Core i5-12400F. L3 cache: 18 MB (total) on the Core i5-12400F vs 8 MB (total) on the FX-8140.
| Feature | Core i5-12400F | FX-8140 |
|---|---|---|
| Cores / Threads | 6 / 12 | 8 / 8+33% |
| Boost Clock | 4.4 GHz+7% | 4.1 GHz |
| Base Clock | 2.5 GHz | 3.2 GHz+28% |
| L3 Cache | 18 MB (total)+125% | 8 MB (total) |
| L2 Cache | 1.25 MB (per core) | 8 MB+540% |
| Process | Intel 7 nm-78% | 32 nm |
| Architecture | Alder Lake-S (2022) | Zambezi (2011−2012) |
| PassMark | 19,532+302% | 4,860 |
| Cinebench R23 Multi | 12,380 | — |
| Geekbench 6 Single | 1,700 | — |
| Geekbench 6 Multi | 657 | — |
Memory & Platform
The Core i5-12400F uses the LGA1700 socket (PCIe 3.0), while the FX-8140 uses AM3+ (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Core i5-12400F | FX-8140 |
|---|---|---|
| Socket | LGA1700 | AM3+ |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | DDR5-4800, DDR4-3200 | — |
| Max RAM Capacity | 128 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 20 | — |
Advanced Features
Virtualization: VT-x, VT-d, EPT (Core i5-12400F) / not specified (FX-8140). Primary use case: Core i5-12400F targets Gaming Performance/Value. Direct competitor: Core i5-12400F rivals Ryzen 5 5600.
| Feature | Core i5-12400F | FX-8140 |
|---|---|---|
| Integrated GPU | No | — |
| Virtualization | VT-x, VT-d, EPT | — |
| Target Use | Gaming Performance/Value | — |
Value Analysis
The Core i5-12400F launched at $174 MSRP, while the FX-8140 debuted at $225. At current prices ($110 vs $120), the Core i5-12400F is $10 cheaper. In terms of value (PassMark points per dollar), the Core i5-12400F delivers 177.6 pts/$ vs 40.5 pts/$ for the FX-8140 — making the Core i5-12400F the 125.7% better value option.
| Feature | Core i5-12400F | FX-8140 |
|---|---|---|
| MSRP | $174-23% | $225 |
| Avg Price (30d) | $110-8% | $120 |
| Performance per Dollar | 177.6+339% | 40.5 |
| Release Date | 2022 | 2012 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on Core i5-12400F and FX-8140
