Intel Core i7-7820X vs Intel Core i5-12450HX

Compare Intel Core X-series 8 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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Specifications
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CPU Comparison

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Benchmark Score

Overall Score

A combined score of all workloads

5865 points

5938 points

1% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

7275 points

8351 points

14% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

5393 points

3% slightly better multitasking score

5219 points

Heavy Workload Score

Performance in workloads using up to 16 cores

5258 points

3% slightly better heavy workload score

5059 points

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Other Benchmarks

Blender score

Cycles Render (Samples per minute)

165.28 points

25% slightly higher Blender score

131.60 points

Specifications

Cores

Number of physical processing units

Identical

Threads

Number of logical processing units

33% slightly more threads

Clock Speed

Base frequency at which the chip operates

3.6 GHz

49% significantly higher clock speed

2.4 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

140 W

55 W

154% significantly lower TDP

PCIe Lanes

Number of physical connections between the CPU and expansion slots

40% slightly more pcie lanes

Memory Channels

Lanes for simultaneous memory access

100% significantly more memory channels

Supported Memory

Maximum amount of RAM supported by this CPU

128 GiB

Identical

128 GiB

L1 Cache

Smallest embedded memory, but the fastest

512 KiB

640 KiB

25% slightly more L1 cache

L3 Cache

General memory pool for all cores

11 MiB

12 MiB

9% slightly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

262nd of 1,089

255th 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 May

2022 May

Memory Type

The type of memory used by this chip

DDR4-2666

DDR5-4800

Is Unlocked

Can this CPU can be overclocked

Yes

Supports ECC memory

Does this CPU support error correcting memory

Core i7-7820X vs Core i5-12450HX benchmarks

In our benchmarks, the Core i5-12450HX beats the Core i7-7820X in overall performance. Furthermore, our gaming benchmark shows that it also outperforms the Core i7-7820X in all gaming tests too.

Our spec comparison shows that they have an identical amount of cores but the Core i7-7820X has more threads. Our comparison shows that the Core i7-7820X has a significantly higher clock speed compared to the Core i5-12450HX. Despite this, the Core i5-12450HX has a slightly higher turbo speed. The Core i5-12450HX outputs less heat than Core i7-7820X thanks to a significantly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption.

Modern CPUs generally have more logical cores than physical cores, this means that each core is split into multiple virtual cores, improving efficiency for parallel workloads. Indeed, the Core i7-7820X has more threads than cores. Each physical core is split into multiple threads.