FX-8120 vs Core i5-13400F
FX-8120
Core i5-13400F
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. The FX-8120 is positioned at rank #567 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. 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 FX-8120
Performance Per Dollar Core i5-13400F
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | FX-8120 | Core i5-13400F |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($40) | ⚠️ Higher cost ($180) |
| Longevity | 🛑 Legacy (Zambezi (2011−2012) / 32 nm) | ✨ Modern (Raptor Lake-S (2023−2024) / Intel 7 nm) |
💎 Value Proposition
| Insight | FX-8120 | Core i5-13400F |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+19%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($40) | ⚠️ Higher cost ($180) |
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-8120 and Core i5-13400F
FX-8120
The FX-8120 is manufactured by AMD. It was released in 12 October 2011 (14 years ago). It is based on the Zambezi (2011−2012) architecture. It features 8 cores and 8 threads. Base frequency is 3.1 GHz, with boost up to 4 GHz. L3 cache: 8192 kB. L2 cache: 8192 kB. Built on 32 nm process technology. Socket: AM3+. Thermal design power (TDP): 125 Watt. Memory support: DDR3. Passmark benchmark score: 6,594 points. Launch price was $149.
Core i5-13400F
The Core i5-13400F is manufactured by Intel. It was released in 4 January 2023 (2 years ago). It is based on the Raptor Lake-S (2023−2024) architecture. It features 10 cores and 16 threads. Base frequency is 2.5 GHz, with boost up to 4.6 GHz. L3 cache: 20 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, DDR4. Passmark benchmark score: 25,029 points. Launch price was $196.
Processing Power
The FX-8120 packs 8 cores / 8 threads, while the Core i5-13400F offers 10 cores / 16 threads — the Core i5-13400F has 2 more cores. Boost clocks reach 4 GHz on the FX-8120 versus 4.6 GHz on the Core i5-13400F — a 14% clock advantage for the Core i5-13400F (base: 3.1 GHz vs 2.5 GHz). The FX-8120 uses the Zambezi (2011−2012) architecture (32 nm), while the Core i5-13400F uses Raptor Lake-S (2023−2024) (Intel 7 nm). In PassMark, the FX-8120 scores 6,594 against the Core i5-13400F's 25,029 — a 116.6% lead for the Core i5-13400F. L3 cache: 8192 kB on the FX-8120 vs 20 MB (total) on the Core i5-13400F.
| Feature | FX-8120 | Core i5-13400F |
|---|---|---|
| Cores / Threads | 8 / 8 | 10 / 16+25% |
| Boost Clock | 4 GHz | 4.6 GHz+15% |
| Base Clock | 3.1 GHz+24% | 2.5 GHz |
| L3 Cache | 8192 kB | 20 MB (total)+150% |
| L2 Cache | 8192 kB+540% | 1.25 MB (per core) |
| Process | 32 nm | Intel 7 nm-78% |
| Architecture | Zambezi (2011−2012) | Raptor Lake-S (2023−2024) |
| PassMark | 6,594 | 25,029+280% |
| Cinebench R23 Multi | — | 16,211 |
| Geekbench 6 Single | — | 2,407 |
| Geekbench 6 Multi | — | 11,408 |
Memory & Platform
The FX-8120 uses the AM3+ socket (PCIe 2.0), while the Core i5-13400F uses LGA1700 (PCIe 5.0) — making them incompatible on the same motherboard.
| Feature | FX-8120 | Core i5-13400F |
|---|---|---|
| Socket | AM3+ | LGA1700 |
| PCIe Generation | PCIe 2.0 | PCIe 5.0+150% |
| Max RAM Speed | — | DDR5-4800, DDR4-3200 |
| Max RAM Capacity | — | 192 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 20 |
Advanced Features
Virtualization: not specified (FX-8120) / VT-x, VT-d (Core i5-13400F). Primary use case: Core i5-13400F targets Gaming. Direct competitor: Core i5-13400F rivals Ryzen 5 7600.
| Feature | FX-8120 | Core i5-13400F |
|---|---|---|
| Integrated GPU | — | No |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x, VT-d |
| Target Use | — | Gaming |
Value Analysis
The FX-8120 launched at $205 MSRP, while the Core i5-13400F debuted at $196. At current prices ($40 vs $180), the FX-8120 is $140 cheaper. In terms of value (PassMark points per dollar), the FX-8120 delivers 164.8 pts/$ vs 139.1 pts/$ for the Core i5-13400F — making the FX-8120 the 17% better value option.
| Feature | FX-8120 | Core i5-13400F |
|---|---|---|
| MSRP | $205 | $196-4% |
| Avg Price (30d) | $40-78% | $180 |
| Performance per Dollar | 164.8+18% | 139.1 |
| Release Date | 2011 | 2023 |
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