Intel Core i7-8665U vs Intel Xeon E3-1275L v3

Compare Intel 8th Generation Core i7 4 core CPU vs Intel Xeon E3 v3 Family 4 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

29 %
31 %
6% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

48 %
14% slightly better gaming score
42 %

Multitasking Score

Performance in workloads using up to 8 cores

23 %
27 %
17% slightly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

22 %
26 %
18% slightly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Core i7-8665U and the Xeon E3-1275L v3? Download our free and quick PC Performance Test.

Other Benchmarks

Geekbench (multi) score

Multi threaded benchmark

2,425
3,125
28% slightly higher Geekbench (multi) score

Geekbench (single) score

Single threaded benchmark

765
907
18% slightly higher Geekbench (single) score

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

2 GHz
3 GHz
42% slightly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

5 GHz
23% slightly higher turbo speed
4 GHz

TDP

Thermal Design Power: Measure of heat generated by the CPU

15 W
200% significantly lower TDP
45 W

PCIe Lanes

Number of physical connections between the CPU and expansion slots

16
Identical
16

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

Supported Memory

Maximum amount of RAM supported by this CPU

64 GiB
100% significantly more supported memory
32 GiB

Other details

Rank

Ranking in the hardwareDB database

623rd of 1,337
585th of 1,337

Family

The product line

8th Generation Core i7
Xeon E3 v3 Family

Release date

The official date of release of this chip

May 2019
May 2014

Memory Type

The type of memory used by this chip

DDR4-2400
DDR3-1333

Supports ECC memory

Does this CPU support error correcting memory

No
Yes

Core i7-8665U vs Xeon E3-1275L v3 specs and performance

Our benchmark analysis concludes that the Xeon E3-1275L v3 performs better than the Core i7-8665U. Despite this, the Core i7-8665U has the advantage in our gaming benchmark.

Our spec comparison shows that they have an identical amount of cores and the same number of threads. Our comparison shows that the Xeon E3-1275L v3 has a slightly higher clock speed compared to the Core i7-8665U. Despite this, the Core i7-8665U has a slightly higher turbo speed. A Core i7-8665U CPU outputs less heat than a Xeon E3-1275L v3 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 i7-8665U has more threads than cores. Each physical core is split into multiple threads.

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