Intel Core i5-9400 vs Intel Core i7-9750HF

Compare Intel 9th Generation Core i5 6 core CPU vs Intel 9th Generation Core i7 6 core processor, specs and benchmark score. Which is the better CPU for gaming?

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Specifications
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CPU Comparison

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Benchmark Score

Overall Score

A combined score of all workloads

3756 points

3873 points

3% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

6099 points

23% slightly better gaming score

4925 points

Multitasking Score

Performance in workloads using up to 8 cores

3033 points

3532 points

16% slightly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

2911 points

3431 points

17% slightly better heavy workload score

Free CPU Benchmark

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Other Benchmarks

Blender score

Cycles Render (Samples per minute)

78.76 points

81.47 points

3% slightly higher Blender score

Geekbench 6 (multi) score

Multi threaded benchmark

4811 points

4839 points

0.58% slightly higher Geekbench 6 (multi) score

Geekbench 6 (single) score

Single threaded benchmark

1393 points

2% slightly higher Geekbench 6 (single) score

1360 points

Specifications

Cores

Number of physical processing units

Identical

Threads

Number of logical processing units

100% significantly more threads

Clock Speed

Base frequency at which the chip operates

2.9 GHz

11% slightly higher clock speed

2.59 GHz

Turbo Speed

Higher frequency used for heavy workloads

4.1 GHz

4.5 GHz

9% slightly higher turbo speed

TDP

Thermal Design Power: Measure of heat generated by the CPU

65 W

45 W

44% significantly lower TDP

PCIe Lanes

Number of physical connections between the CPU and expansion slots

Identical

Memory Channels

Lanes for simultaneous memory access

Identical

Supported Memory

Maximum amount of RAM supported by this CPU

128 GiB

Identical

128 GiB

L1 Cache

Smallest embedded memory, but the fastest

384 KiB

Identical

384 KiB

L2 Cache

Secondary embedded memory, slower than L1 cache

1.5 MiB

Identical

1.5 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

475th of 1,118

464th of 1,118

Family

The product line

9th Generation Core i5

9th Generation Core i7

Release date

The official date of release of this chip

2019 February

2019 May

Memory Type

The type of memory used by this chip

DDR4-2666

Is Unlocked

Can this CPU can be overclocked

Supports ECC memory

Does this CPU support error correcting memory

Core i5-9400 vs Core i7-9750HF benchmarks

Our benchmark analysis concludes that the Core i7-9750HF performs better than the Core i5-9400. Despite this, the Core i5-9400 has the advantage in our gaming benchmark.

Info from our database shows that they both have the same core count but the Core i7-9750HF has more threads. With our hardware info, we find that the Core i5-9400 has a slightly higher clock speed than the Core i7-9750HF. Despite this, the Core i7-9750HF has a slightly higher turbo speed. The Core i7-9750HF outputs less heat than Core i5-9400 thanks to a significantly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption. In terms of cache, both these CPUs have the same amount of L2 cache. The Core i7-9750HF also has slightly more L3 cache.

Most CPUs have more threads than cores. This technology, colloquially called hyperthreading, improves performance by splitting a core into multiple virtual ones. This provides more efficient utilisation of a core. For instance, the Core i5-9400 has the same number of threads as cores. This means the the CPU does not support hyperthreading.