Core i5-10400H vs Core i3-N300
Core i5-10400H
Core i3-N300
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 i5-10400H is positioned at rank 652 and the Core i3-N300 is on rank 761, so the Core i5-10400H offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i5-10400H
Performance Per Dollar Core i3-N300
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i5-10400H | Core i3-N300 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($309) |
| Longevity | ✨ Modern (Comet Lake-H (2020) / 14 nm) | ✨ Modern (Alder Lake-N (2023) / Intel 7 nm) |
💎 Value Proposition
| Insight | Core i5-10400H | Core i3-N300 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($309) |
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 i5-10400H and Core i3-N300
Core i5-10400H
The Core i5-10400H is manufactured by Intel. It was released in 2 April 2020 (5 years ago). It is based on the Comet Lake-H (2020) architecture. It features 4 cores and 8 threads. Base frequency is 2.6 GHz, with boost up to 4.6 GHz. L3 cache: 6 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: 8,246 points. Launch price was $149.
Core i3-N300
The Core i3-N300 is manufactured by Intel. It was released in 3 January 2023 (2 years ago). It is based on the Alder Lake-N (2023) architecture. It features 8 cores and 8 threads. Base frequency is 0.1 GHz, with boost up to 3.8 GHz. L3 cache: 6 MB (total). L2 cache: 2 MB (per module). Built on Intel 7 nm process technology. Socket: FCBGA1264. Thermal design power (TDP): 7 Watt. Memory support: DDR4-3200, DDR5-4800, LPDDR5-4800. Passmark benchmark score: 8,283 points. Launch price was $309.
Processing Power
The Core i5-10400H packs 4 cores / 8 threads, while the Core i3-N300 offers 8 cores / 8 threads — the Core i3-N300 has 4 more cores. Boost clocks reach 4.6 GHz on the Core i5-10400H versus 3.8 GHz on the Core i3-N300 — a 19% clock advantage for the Core i5-10400H (base: 2.6 GHz vs 0.1 GHz). The Core i5-10400H uses the Comet Lake-H (2020) architecture (14 nm), while the Core i3-N300 uses Alder Lake-N (2023) (Intel 7 nm). In PassMark, the Core i5-10400H scores 8,246 against the Core i3-N300's 8,283 — a 0.4% lead for the Core i3-N300. Both processors carry 6 MB (total) of L3 cache.
| Feature | Core i5-10400H | Core i3-N300 |
|---|---|---|
| Cores / Threads | 4 / 8 | 8 / 8+100% |
| Boost Clock | 4.6 GHz+21% | 3.8 GHz |
| Base Clock | 2.6 GHz+2500% | 0.1 GHz |
| L3 Cache | 6 MB (total) | 6 MB (total) |
| L2 Cache | 256K (per core) | 2 MB (per module)+700% |
| Process | 14 nm | Intel 7 nm-50% |
| Architecture | Comet Lake-H (2020) | Alder Lake-N (2023) |
| PassMark | 8,246 | 8,283 |
| Geekbench 6 Single | 1,391 | — |
Memory & Platform
The Core i5-10400H uses the BGA1440 socket (PCIe 3.0), while the Core i3-N300 uses FCBGA1264 (PCIe 5.0) — making them incompatible on the same motherboard.
| Feature | Core i5-10400H | Core i3-N300 |
|---|---|---|
| Socket | BGA1440 | FCBGA1264 |
| PCIe Generation | PCIe 3.0 | PCIe 5.0+67% |
| Max RAM Speed | DDR4-2933 | — |
| Max RAM Capacity | 128 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 16 | — |
Advanced Features
Virtualization: VT-x, VT-d, EPT (Core i5-10400H) / not specified (Core i3-N300). The Core i5-10400H includes integrated graphics (UHD Graphics 630), while the Core i3-N300 requires a dedicated GPU. Primary use case: Core i5-10400H targets Performance Laptop. Direct competitor: Core i5-10400H rivals Ryzen 5 4600H.
| Feature | Core i5-10400H | Core i3-N300 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | UHD Graphics 630 | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d, EPT | — |
| Target Use | Performance Laptop | — |
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The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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