Intel Core i7-8665U vs AMD FX-8120

Compare Intel 8th Generation Core i7 4 core CPU vs AMD FX 8-Core Black Edition 4 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

$ 1540.00
$ 78.02
$ 1461.98 significantly less expensive

Benchmark Score

Overall Score

A combined score of all workloads

2271 points
5% slightly better overall score
2156 points

Gaming Score

The raw gaming performance with a fast GPU

3777 points
19% slightly better gaming score
3158 points

Multitasking Score

Performance in workloads using up to 8 cores

1836 points
0.16% slightly better multitasking score
1833 points

Heavy Workload Score

Performance in workloads using up to 16 cores

1758 points
1760 points
0.11% slightly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Core i7-8665U and the FX-8120? Download our free and quick PC Performance Test.

Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

45.82 points
41% slightly higher Blender score
32.29 points
Geekbench 5 (multi) score

Geekbench 5 (multi) score

Multi threaded benchmark

2425 points
51% significantly higher Geekbench 5 (multi) score
1601 points
Geekbench 5 (single) score

Geekbench 5 (single) score

Single threaded benchmark

765 points
72% significantly higher Geekbench 5 (single) score
443 points

Specifications

Cores

Number of physical processing units

4
Identical
4

Threads

Number of logical processing units

8
Identical
8

Clock Speed

Base frequency at which the chip operates

1.9 GHz
3.1 GHz
63% significantly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

4.8 GHz
20% slightly higher turbo speed
4 GHz

TDP

Thermal Design Power: Measure of heat generated by the CPU

15 W
733% significantly lower TDP
125 W

Other details

Rank

Ranking in the hardwareDB database

669th of 1,089
694th of 1,089

Family

The product line

8th Generation Core i7
FX 8-Core Black Edition

Release date

The official date of release of this chip

2019 May
-

Memory Type

The type of memory used by this chip

DDR4-2400
-

Is Unlocked

Can this CPU can be overclocked

-
Yes

Supports ECC memory

Does this CPU support error correcting memory

No
-

Core i7-8665U vs FX-8120 comparison

According to the hardwareDB Benchmark tool, the Core i7-8665U is faster than the FX-8120. Furthermore, our gaming benchmark shows that it also outperforms the FX-8120 in all gaming tests too.

When comparing these CPUs we notice that they have the same number of cores and the same number of threads. These CPUs have different clock speeds. Indeed, the FX-8120 has a significantly higher clock speed compared to the Core i7-8665U. A Core i7-8665U CPU outputs less heat than a FX-8120 CPU because of its 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 i7-8665U has more threads than cores. Each physical core is split into multiple threads.

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