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

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?

Benchmark Score
Other Benchmarks
Specifications
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Benchmark Score

Overall Score

A combined score of all workloads

5865 points

11% slightly better overall score

5248 points

Gaming Score

The raw gaming performance with a fast GPU

7275 points

7843 points

7% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

5393 points

20% slightly better multitasking score

4484 points

Heavy Workload Score

Performance in workloads using up to 16 cores

5258 points

21% slightly better heavy workload score

4327 points

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Other Benchmarks

3DMark Physics score

Physics simulation benchmark

5958 points

13% slightly higher 3DMark Physics score

5258 points

Blender score

Cycles Render (Samples per minute)

165.28 points

45% significantly higher Blender score

113.50 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

79% 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

140 W

45 W

211% significantly lower TDP

PCIe Lanes

Number of physical connections between the CPU and expansion slots

Identical

Memory Channels

Lanes for simultaneous memory access

100% significantly more memory channels

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

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

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 May

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

Supports ECC memory

Does this CPU support error correcting memory

Core i7-7820X vs Core i5-12450H comparison

In our benchmarks, the Core i7-7820X beats the Core i5-12450H in overall performance. Despite this, the Core i5-12450H has the advantage in our gaming benchmark.

When comparing these CPUs we notice that they have the same number of cores but the Core i7-7820X has more threads. These CPUs have different clock speeds. Indeed, the Core i7-7820X 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 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.