Intel Core i7-6600U vs Intel Core i7-8650U

Compare Intel 6th Generation Core i7 2 core CPU vs Intel 8th Generation Core i7 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

1166 points
2006 points
72% significantly better overall score

Gaming Score

The raw gaming performance with a fast GPU

2340 points
3386 points
44% significantly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

858 points
1610 points
87% significantly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

820 points
1539 points
87% significantly better heavy workload score

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Want to compare your processor against the Core i7-6600U and the Core i7-8650U? Download our free and quick PC Performance Test.

Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

23.09 points
45.01 points
94% significantly higher Blender score

Specifications

Cores

Number of physical processing units

2
4
100% significantly more cores

Threads

Number of logical processing units

4
8
100% significantly more threads

Clock Speed

Base frequency at which the chip operates

2.6 GHz
36% slightly higher clock speed
1.9 GHz

Turbo Speed

Higher frequency used for heavy workloads

3.4 GHz
4.2 GHz
23% slightly higher turbo speed

TDP

Thermal Design Power: Measure of heat generated by the CPU

15 W
Identical
15 W

PCIe Lanes

Number of physical connections between the CPU and expansion slots

12
Identical
12

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

Supported Memory

Maximum amount of RAM supported by this CPU

32 GiB
Identical
32 GiB

Other details

Rank

Ranking in the hardwareDB database

908th of 1,089
715th of 1,089

Family

The product line

6th Generation Core i7
8th Generation Core i7

Release date

The official date of release of this chip

2015 August
2017 August

Memory Type

The type of memory used by this chip

DDR4-2133
DDR4-2400

Is Unlocked

Can this CPU can be overclocked

-
No

Supports ECC memory

Does this CPU support error correcting memory

No
No

Core i7-6600U vs Core i7-8650U comparison

According to the hardwareDB Benchmark tool, the Core i7-8650U is faster than the Core i7-6600U. Furthermore, our gaming benchmark shows that it also outperforms the Core i7-6600U in all gaming tests too.

When comparing core counts for these CPUs, we notice that the Core i7-8650U has significantly more cores with 4 cores compared to the Core i7-6600U that has 2 cores. It also has more threads than the Core i7-6600U. With our hardware info, we find that the Core i7-6600U has a slightly higher clock speed than the Core i7-8650U. Despite this, the Core i7-8650U has a slightly higher turbo speed. Both these chips have an identical TDP (Thermal Design Power). This measures the amount of heat they output and can be used to estimate power consumption.

Most CPUs have more threads than cores. This technology, colloquially called hyperthreading, improves performance by splitting a core into multiple virtual ones. This provides more efficient utilisation of a core. Indeed, the Core i7-6600U has more threads than cores. Each physical core is split into multiple threads.

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