Intel Core i7-8750H vs Intel Core i5-8400H

Compare Intel 8th Generation Core i7 6 core CPU vs Intel 8th Generation Core i5 4 core processor, specs and benchmark score. Which is the better CPU for gaming?

CPU Comparison

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Benchmark Score

Overall Score

A combined score of all workloads

3418 points
0.06% slightly better overall score
3416 points

Gaming Score

The raw gaming performance with a fast GPU

4937 points
5247 points
6% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

2961 points
3% slightly better multitasking score
2859 points

Heavy Workload Score

Performance in workloads using up to 16 cores

2863 points
4% slightly better heavy workload score
2743 points

Free CPU Benchmark

Want to compare your processor against the Core i7-8750H and the Core i5-8400H? Download our free and quick PC Performance Test.

Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

80.62 points
101% significantly higher Blender score
39.94 points
Geekbench 5 (multi) score

Geekbench 5 (multi) score

Multi threaded benchmark

4506 points
27% slightly higher Geekbench 5 (multi) score
3529 points
Geekbench 5 (single) score

Geekbench 5 (single) score

Single threaded benchmark

1262 points
1294 points
2% slightly higher Geekbench 5 (single) score
Geekbench 6 (multi) score

Geekbench 6 (multi) score

Multi threaded benchmark

4668 points
28% slightly higher Geekbench 6 (multi) score
3639 points
Geekbench 6 (single) score

Geekbench 6 (single) score

Single threaded benchmark

1311 points
2% slightly higher Geekbench 6 (single) score
1282 points

Specifications

Cores

Number of physical processing units

6
49% significantly more cores
4

Threads

Number of logical processing units

12
49% significantly more threads
8

Clock Speed

Base frequency at which the chip operates

2.20 GHz
2.5 GHz
13% slightly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

4.1 GHz
4.2 GHz
2% slightly higher turbo speed

TDP

Thermal Design Power: Measure of heat generated by the CPU

45 W
Identical
45 W

PCIe Lanes

Number of physical connections between the CPU and expansion slots

16
Identical
16

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

Supported Memory

Maximum amount of RAM supported by this CPU

64 GiB
Identical
64 GiB

L1 Cache

Smallest embedded memory, but the fastest

384 KiB
49% significantly more L1 cache
256 KiB

L2 Cache

Secondary embedded memory, slower than L1 cache

1.5 MiB
49% significantly more L2 cache
1 MiB

L3 Cache

General memory pool for all cores

9 MiB
12 MiB
33% slightly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

493rd of 1,089
494th of 1,089

Family

The product line

8th Generation Core i7
8th Generation Core i5

Release date

The official date of release of this chip

2018 May
2018 May

Memory Type

The type of memory used by this chip

DDR4-2666
DDR4-2666

Is Unlocked

Can this CPU can be overclocked

No
No

Supports ECC memory

Does this CPU support error correcting memory

No
No

Core i7-8750H vs Core i5-8400H comparison

In our benchmarks, the Core i5-8400H beats the Core i7-8750H in overall performance. Despite this, the Core i7-8750H has the advantage in our gaming benchmark.

With info from our database, we find that the Core i7-8750H has significantly more cores with 6 cores whereas the Core i5-8400H has 4 cores. It also has more threads than the Core i5-8400H. These CPUs have different clock speeds. Indeed, the Core i5-8400H has a slightly higher clock speed compared to the Core i7-8750H. Also, the Core i5-8400H has a slightly higher turbo speed. Both these chips have an identical TDP (Thermal Design Power). This measures the amount of heat they output and can be used to estimate power consumption. The cache sizes of these CPUs are different. Indeed, the Core i7-8750H has significantly more L2 cache than the Core i5-8400H. Despite this, the Core i5-8400H has slightly more L3 cache compared to the Core i7-8750H.

The more cores a CPU has, the better the overall performance will be in parallel workloads such as multitasking. Many CPUs have more threads than cores, this means that each physical core is split into multiple logical cores, making them more efficient. Indeed, the Core i7-8750H has more threads than cores. Each physical core is split into multiple threads.

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