
Core i5-10400H vs Core i5-10300H

Core i5-10400H

Core i5-10300H
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 i5-10300H is on rank 390, so the Core i5-10300H 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 i5-10300H
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i5-10400H | Core i5-10300H |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | ✨ Modern (Comet Lake-H (2020) / 14 nm) | ✨ Modern (Comet Lake-H (2020) / 14 nm) |
💎 Value Proposition
| Insight | Core i5-10400H | Core i5-10300H |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 i5-10300H

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 i5-10300H
The Core i5-10300H is manufactured by Intel. It was released in 17 September 2020 (5 years ago). It is based on the Comet Lake-H (2020) architecture. It features 4 cores and 8 threads. Base frequency is 2.5 GHz, with boost up to 4.5 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: 8,209 points. Launch price was $149.
Processing Power
Both the Core i5-10400H and Core i5-10300H share an identical 4-core/8-thread configuration. Boost clocks reach 4.6 GHz on the Core i5-10400H versus 4.5 GHz on the Core i5-10300H — a 2.2% clock advantage for the Core i5-10400H (base: 2.6 GHz vs 2.5 GHz). Both are built on the Comet Lake-H (2020) architecture using a 14 nm process. In PassMark, the Core i5-10400H scores 8,246 against the Core i5-10300H's 8,209 — a 0.4% lead for the Core i5-10400H. Geekbench 6 single-core — the metric most relevant to gaming — records 1,391 vs 1,533, a 9.7% lead for the Core i5-10300H that directly translates to higher frame rates. Both processors carry 6 MB (total) of L3 cache.
| Feature | Core i5-10400H | Core i5-10300H |
|---|---|---|
| Cores / Threads | 4 / 8 | 4 / 8 |
| Boost Clock | 4.6 GHz+2% | 4.5 GHz |
| Base Clock | 2.6 GHz+4% | 2.5 GHz |
| L3 Cache | 6 MB (total) | 6 MB (total) |
| L2 Cache | 256K (per core) | 256K (per core) |
| Process | 14 nm | 14 nm |
| Architecture | Comet Lake-H (2020) | Comet Lake-H (2020) |
| PassMark | 8,246 | 8,209 |
| Geekbench 6 Single | 1,391 | 1,533+10% |
Memory & Platform
Both processors use the BGA1440 socket with PCIe 3.0. Both support up to DDR4-2933 memory speed. Both support up to 128 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: HM470,QM480,WM490 (Core i5-10400H) and HM470,QM480,WM490 (Core i5-10300H).
| Feature | Core i5-10400H | Core i5-10300H |
|---|---|---|
| Socket | BGA1440 | BGA1440 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | DDR4-2933 | DDR4-2933 |
| Max RAM Capacity | 128 GB | 128 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Neither processor supports overclocking. Both support VT-x, VT-d, EPT virtualization. Both include integrated graphics — UHD Graphics 630 (Core i5-10400H) and UHD Graphics 630 (Core i5-10300H) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i5-10400H targets Performance Laptop, Core i5-10300H targets Performance Laptop. Direct competitor: Core i5-10400H rivals Ryzen 5 4600H; Core i5-10300H rivals Ryzen 5 4600H.
| Feature | Core i5-10400H | Core i5-10300H |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | UHD Graphics 630 | UHD Graphics 630 |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d, EPT | VT-x, VT-d, EPT |
| Target Use | Performance Laptop | Performance Laptop |
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