Core i5-10300H vs Core i5-10400H

Intel

Core i5-10300H

4 Cores8 Thrd45 WWMax: 4.5 GHz2020
VS
Intel

Core i5-10400H

4 Cores8 Thrd45 WWMax: 4.6 GHz2020

Core i5-10300H vs Core i5-10400H Performance Spectrum

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.

Core i5-10300H vs Core i5-10400H FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Core i5-10300H vs Core i5-10400H: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Core i5-10300H

2020

Why buy it

  • +10.2% higher Geekbench single-core performance for gaming and desktop responsiveness.

Trade-offs

  • Lower PassMark (8,209 vs 8,246).

Core i5-10400H

2020

Why buy it

  • +0.5% higher PassMark.

Trade-offs

  • Lower Geekbench single-core performance for gaming (1,391 vs 1,533).

Quick Answers

So, is Core i5-10400H better than Core i5-10300H?
It depends on what you want from the system. For gaming, Core i5-10300H is ahead with a 1.5% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i5-10400H pulls ahead with 0.5% better PassMark.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Core i5-10400H is the stronger fit. You are getting 0.5% better PassMark, backed by 4 cores and 8 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Core i5-10400H still makes the most sense overall. Core i5-10400H comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you 0.5% better PassMark.
Which one is more future-proof for 2026 and beyond?
Core i5-10400H makes more sense long term for 2026 and beyond. You are getting more multi-core headroom with 4 cores / 8 threads instead of 4/8. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i5-10300H vs Core i5-10400H Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Intel

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.

Intel

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.

Processing Power

Both the Core i5-10300H and Core i5-10400H share an identical 4-core/8-thread configuration. Boost clocks reach 4.5 GHz on the Core i5-10300H versus 4.6 GHz on the Core i5-10400H — a 2.2% clock advantage for the Core i5-10400H (base: 2.5 GHz vs 2.6 GHz). Both are built on the Comet Lake-H (2020) architecture using a 14 nm process. In PassMark, the Core i5-10300H scores 8,209 against the Core i5-10400H's 8,246 — a 0.4% lead for the Core i5-10400H. Geekbench 6 single-core — the metric most relevant to gaming — records 1,533 vs 1,391, 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.

FeatureCore i5-10300HCore i5-10400H
Cores / Threads
4 / 8
4 / 8
Boost Clock
4.5 GHz
4.6 GHz+2%
Base Clock
2.5 GHz
2.6 GHz+4%
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
8,209
8,246
Geekbench 6 Single
1,533+10%
1,391
🧠

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 i5-10300H) and HM470,QM480,WM490 (Core i5-10400H).

FeatureCore i5-10300HCore i5-10400H
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
No
No
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 i5-10300H) and UHD Graphics 630 (Core i5-10400H) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i5-10300H targets Performance Laptop, Core i5-10400H targets Performance Laptop. Direct competitor: Core i5-10300H rivals Ryzen 5 4600H; Core i5-10400H rivals Ryzen 5 4600H.

FeatureCore i5-10300HCore i5-10400H
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