Core i5-8400H vs Core i5-12400F
Core i5-8400H
Core i5-12400F
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 Core i5-8400H is positioned at rank #142 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 Core i5-8400H
Performance Per Dollar Core i5-12400F
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i5-8400H | Core i5-12400F |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($110) |
| Longevity | ✨ Modern (Coffee Lake-H (2018−2019) / 14 nm) | ✨ Modern (Alder Lake-S (2022) / Intel 7 nm) |
💎 Value Proposition
| Insight | Core i5-8400H | Core i5-12400F |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($110) |
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 i5-8400H and Core i5-12400F
Core i5-8400H
The Core i5-8400H is manufactured by Intel. It was released in 2 April 2018 (7 years ago). It is based on the Coffee Lake-H (2018−2019) architecture. It features 4 cores and 8 threads. Base frequency is 2.5 GHz, with boost up to 4.2 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: BGA1440. Thermal design power (TDP): 45 Watt. Memory support: DDR4. Passmark benchmark score: 7,456 points. Launch price was $250.
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.
Processing Power
The Core i5-8400H packs 4 cores / 8 threads, while the Core i5-12400F offers 6 cores / 12 threads — the Core i5-12400F has 2 more cores. Boost clocks reach 4.2 GHz on the Core i5-8400H versus 4.4 GHz on the Core i5-12400F — a 4.7% clock advantage for the Core i5-12400F (base: 2.5 GHz vs 2.5 GHz). The Core i5-8400H uses the Coffee Lake-H (2018−2019) architecture (14 nm), while the Core i5-12400F uses Alder Lake-S (2022) (Intel 7 nm). In PassMark, the Core i5-8400H scores 7,456 against the Core i5-12400F's 19,532 — a 89.5% lead for the Core i5-12400F. Cinebench R23 multi-core: 4,657 vs 12,380 (90.7% advantage for the Core i5-12400F). Geekbench 6 single-core — the metric most relevant to gaming — records 1,493 vs 1,700, a 13% lead for the Core i5-12400F that directly translates to higher frame rates. Multi-core Geekbench: 4,963 vs 657 (153.2% advantage for the Core i5-8400H). L3 cache: 12 MB (total) on the Core i5-8400H vs 18 MB (total) on the Core i5-12400F.
| Feature | Core i5-8400H | Core i5-12400F |
|---|---|---|
| Cores / Threads | 4 / 8 | 6 / 12+50% |
| Boost Clock | 4.2 GHz | 4.4 GHz+5% |
| Base Clock | 2.5 GHz | 2.5 GHz |
| L3 Cache | 12 MB (total) | 18 MB (total)+50% |
| L2 Cache | 256K (per core) | 1.25 MB (per core)+400% |
| Process | 14 nm | Intel 7 nm-50% |
| Architecture | Coffee Lake-H (2018−2019) | Alder Lake-S (2022) |
| PassMark | 7,456 | 19,532+162% |
| Cinebench R23 Multi | 4,657 | 12,380+166% |
| Geekbench 6 Single | 1,493 | 1,700+14% |
| Geekbench 6 Multi | 4,963+655% | 657 |
Memory & Platform
The Core i5-8400H uses the BGA1440 socket (PCIe 3.0), while the Core i5-12400F uses LGA1700 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4 2666 MHz on the Core i5-8400H versus DDR5-4800, DDR4-3200 on the Core i5-12400F — the Core i5-8400H supports 200% 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 64 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core i5-8400H) vs 20 (Core i5-12400F) — the Core i5-12400F offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel HM370,Intel QM370 (Core i5-8400H) and H610,B660,H670,Z690,B760,H770,Z790 (Core i5-12400F).
| Feature | Core i5-8400H | Core i5-12400F |
|---|---|---|
| Socket | BGA1440 | LGA1700 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | DDR4 2666 MHz | DDR5-4800, DDR4-3200+25% |
| Max RAM Capacity | 64 GB | 128 GB+100% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | 20+25% |
Advanced Features
Virtualization support: true (Core i5-8400H) vs VT-x, VT-d, EPT (Core i5-12400F). The Core i5-8400H includes integrated graphics (Intel UHD Graphics 630), while the Core i5-12400F requires a dedicated GPU. Primary use case: Core i5-8400H targets Mobile, Core i5-12400F targets Gaming Performance/Value. Direct competitor: Core i5-12400F rivals Ryzen 5 5600.
| Feature | Core i5-8400H | Core i5-12400F |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Intel UHD Graphics 630 | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | true | VT-x, VT-d, EPT |
| Target Use | Mobile | Gaming Performance/Value |
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