
Core i5-12400F vs A9-9420e

Core i5-12400F

A9-9420e
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 A9-9420e
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i5-12400F | A9-9420e |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($110) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Alder Lake-S (2022) / Intel 7 nm) | ✨ Modern (Stoney Ridge (2016−2019) / 28 nm) |
💎 Value Proposition
| Insight | Core i5-12400F | A9-9420e |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($110) | ✅ 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 Core i5-12400F and A9-9420e

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.

A9-9420e
The A9-9420e is manufactured by AMD. It was released in 1 June 2018 (7 years ago). It is based on the Stoney Ridge (2016−2019) architecture. It features 2 cores and 2 threads. Max frequency: 2.5 GHz. L2 cache: 1 MB. Built on 28 nm process technology. Socket: BGA. Thermal design power (TDP): 1 MB. Memory support: DDR4. Passmark benchmark score: 1,101 points. Launch price was $69.
Processing Power
The Core i5-12400F packs 6 cores / 12 threads, while the A9-9420e offers 2 cores / 2 threads — the Core i5-12400F has 4 more cores. Boost clocks reach 4.4 GHz on the Core i5-12400F versus 2.5 GHz on the A9-9420e — a 55.1% clock advantage for the Core i5-12400F. The Core i5-12400F uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the A9-9420e uses Stoney Ridge (2016−2019) (28 nm). In PassMark, the Core i5-12400F scores 19,532 against the A9-9420e's 1,101 — a 178.7% lead for the Core i5-12400F.
| Feature | Core i5-12400F | A9-9420e |
|---|---|---|
| Cores / Threads | 6 / 12+200% | 2 / 2 |
| Boost Clock | 4.4 GHz+76% | 2.5 GHz |
| Base Clock | 2.5 GHz | — |
| L3 Cache | 18 MB (total) | — |
| L2 Cache | 1.25 MB (per core)+25% | 1 MB |
| Process | Intel 7 nm-75% | 28 nm |
| Architecture | Alder Lake-S (2022) | Stoney Ridge (2016−2019) |
| PassMark | 19,532+1674% | 1,101 |
| 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 A9-9420e uses BGA (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800, DDR4-3200 on the Core i5-12400F versus 2133 on the A9-9420e — the A9-9420e supports 199.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-12400F supports up to 128 GB of RAM compared to 16 — 155.6% more capacity for professional workloads. Memory channels: 2 (Core i5-12400F) vs 1 (A9-9420e). PCIe lanes: 20 (Core i5-12400F) vs 4 (A9-9420e) — the Core i5-12400F offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H610,B660,H670,Z690,B760,H770,Z790 (Core i5-12400F) and FT4,FP4 (A9-9420e).
| Feature | Core i5-12400F | A9-9420e |
|---|---|---|
| Socket | LGA1700 | BGA |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | DDR5-4800, DDR4-3200 | 2133+42560% |
| Max RAM Capacity | 128 GB+838860700% | 16 |
| RAM Channels | 2+100% | 1 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 20+400% | 4 |
Advanced Features
Virtualization support: VT-x, VT-d, EPT (Core i5-12400F) vs true (A9-9420e). The A9-9420e includes integrated graphics (Radeon R5 Graphics), while the Core i5-12400F requires a dedicated GPU. Primary use case: Core i5-12400F targets Gaming Performance/Value. Direct competitor: Core i5-12400F rivals Ryzen 5 5600; A9-9420e rivals Pentium N4200.
| Feature | Core i5-12400F | A9-9420e |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Radeon R5 Graphics |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | VT-x, VT-d, EPT | true |
| Target Use | Gaming Performance/Value | — |
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