Intel Core i9-7940X vs Intel Core i5-12450H

Compare Intel Core X-series 14 core CPU vs Intel 12th Generation Core i5 8 core processor, specs and benchmark score. Which is the better CPU for gaming?

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Benchmark Score

Overall Score

A combined score of all workloads

5222 points
5248 points
0.50% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

6170 points
7843 points
27% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

4938 points
10% slightly better multitasking score
4484 points

Heavy Workload Score

Performance in workloads using up to 16 cores

4896 points
13% slightly better heavy workload score
4327 points

Free CPU Benchmark

Want to compare your processor against the Core i9-7940X and the Core i5-12450H? Download our free and quick PC Performance Test.

Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

261.54 points
130% significantly higher Blender score
113.50 points

Specifications

Cores

Number of physical processing units

14
75% significantly more cores
8

Threads

Number of logical processing units

28
133% significantly more threads
12

Clock Speed

Base frequency at which the chip operates

3.1 GHz
55% significantly higher clock speed
2 GHz

Turbo Speed

Higher frequency used for heavy workloads

4.3 GHz
4.4 GHz
2% slightly higher turbo speed

TDP

Thermal Design Power: Measure of heat generated by the CPU

165 W
45 W
266% significantly lower TDP

PCIe Lanes

Number of physical connections between the CPU and expansion slots

44
57% significantly more pcie lanes
28

Memory Channels

Lanes for simultaneous memory access

4
100% significantly more memory channels
2

Supported Memory

Maximum amount of RAM supported by this CPU

128 GiB
100% significantly more supported memory
64 GiB

L1 Cache

Smallest embedded memory, but the fastest

896 KiB
40% slightly more L1 cache
640 KiB

L3 Cache

General memory pool for all cores

25 MiB
108% significantly more L3 cache
12 MiB

Other details

Rank

Ranking in the hardwareDB database

324th of 1,089
318th of 1,089

Family

The product line

Core X-series
12th Generation Core i5

Release date

The official date of release of this chip

2017 August
2022 February

Memory Type

The type of memory used by this chip

DDR4-2666
DDR5-4800

Is Unlocked

Can this CPU can be overclocked

Yes
No

Supports ECC memory

Does this CPU support error correcting memory

No
No

Core i9-7940X vs Core i5-12450H specs and performance

In our benchmarks, the Core i5-12450H beats the Core i9-7940X in overall performance. Furthermore, our gaming benchmark shows that it also outperforms the Core i9-7940X in all gaming tests too.

In terms of the number of cores of each of these CPUs, the Core i9-7940X has significantly more cores than the Core i5-12450H. Indeed, the Core i9-7940X has 14 cores compared to 8 cores found in the Core i5-12450H. It also has more threads than the Core i5-12450H. Our comparison shows that the Core i9-7940X has a significantly higher clock speed compared to the Core i5-12450H. Despite this, the Core i5-12450H has a slightly higher turbo speed. The Core i5-12450H outputs less heat than Core i9-7940X thanks to a significantly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption.

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 i9-7940X has more threads than cores. Each physical core is split into multiple threads.

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