Intel Core i3-8145U vs Intel Core i7-12700

Compare Intel 8th Generation Core i3 2 core CPU vs Intel 12th Generation Core i7 12 core processor, specs and benchmark score. Which is the better CPU for gaming?

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Price

The cheapest price from our partner retailers

$ 1551.00
$ 318.24
$ 1232.76 significantly less expensive

Benchmark Score

Overall Score

A combined score of all workloads

1258 points
10390 points
725% significantly better overall score

Gaming Score

The raw gaming performance with a fast GPU

2455 points
12574 points
412% significantly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

936 points
9694 points
935% significantly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

895 points
9533 points
965% significantly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Core i3-8145U and the Core i7-12700? Download our free and quick PC Performance Test.

Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

23.95 points
259.30 points
982% significantly higher Blender score
Geekbench 5 (multi) score

Geekbench 5 (multi) score

Multi threaded benchmark

1575 points
9492 points
502% significantly higher Geekbench 5 (multi) score
Geekbench 5 (single) score

Geekbench 5 (single) score

Single threaded benchmark

794 points
1788 points
125% significantly higher Geekbench 5 (single) score

Specifications

Cores

Number of physical processing units

2
12
499% significantly more cores

Threads

Number of logical processing units

4
20
400% significantly more threads

Clock Speed

Base frequency at which the chip operates

2.1 GHz
3.3 GHz
57% significantly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

3.9 GHz
4.9 GHz
25% slightly higher turbo speed

TDP

Thermal Design Power: Measure of heat generated by the CPU

15 W
333% significantly lower TDP
65 W

PCIe Lanes

Number of physical connections between the CPU and expansion slots

16
20
25% slightly more pcie lanes

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

Supported Memory

Maximum amount of RAM supported by this CPU

64 GiB
128 GiB
100% significantly more supported memory

L1 Cache

Smallest embedded memory, but the fastest

128 KiB
960 KiB
650% significantly more L1 cache

L3 Cache

General memory pool for all cores

4 MiB
25 MiB
525% significantly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

880th of 1,089
78th of 1,089

Family

The product line

8th Generation Core i3
12th Generation Core i7

Release date

The official date of release of this chip

2018 August
2022 February

Memory Type

The type of memory used by this chip

DDR4-2400
DDR5-4800

Is Unlocked

Can this CPU can be overclocked

No
No

Supports ECC memory

Does this CPU support error correcting memory

No
Yes

Core i3-8145U vs Core i7-12700 comparison

In our benchmarks, the Core i7-12700 beats the Core i3-8145U in overall performance. Furthermore, our gaming benchmark shows that it also outperforms the Core i3-8145U in all gaming tests too.

In terms of the number of cores of each of these CPUs, the Core i7-12700 has significantly more cores than the Core i3-8145U. Indeed, the Core i7-12700 has 12 cores compared to 2 cores found in the Core i3-8145U. It also has more threads than the Core i3-8145U. Our comparison shows that the Core i7-12700 has a significantly higher clock speed compared to the Core i3-8145U. Also, the Core i7-12700 has a slightly higher turbo speed. A Core i3-8145U CPU outputs less heat than a Core i7-12700 CPU because of its 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 i3-8145U has more threads than cores. Each physical core is split into multiple threads.

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