Intel Core i7-6700K vs Intel Core i7-1355U

Compare Intel 6th Generation Core i7 4 core CPU vs Intel 13th Generation Core i7 10 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

3497 points
3560 points
1% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

5633 points
Identical
5633 points

Multitasking Score

Performance in workloads using up to 8 cores

2866 points
3003 points
4% slightly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

2751 points
2902 points
5% slightly better heavy workload score

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Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

81.27 points
91.75 points
12% slightly higher Blender score

Specifications

Cores

Number of physical processing units

4
10
150% significantly more cores

Threads

Number of logical processing units

8
12
49% significantly more threads

Clock Speed

Base frequency at which the chip operates

4 GHz
135% significantly higher clock speed
1.7 GHz

Turbo Speed

Higher frequency used for heavy workloads

4.2 GHz
5 GHz
19% slightly higher turbo speed

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
Identical
64 GiB

L2 Cache

Secondary embedded memory, slower than L1 cache

1 MiB
6.5 MiB
550% significantly more L2 cache

L3 Cache

General memory pool for all cores

8 MiB
12 MiB
49% significantly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

482nd of 1,089
479th of 1,089

Family

The product line

6th Generation Core i7
13th Generation Core i7

Release date

The official date of release of this chip

2015 August
2023 February

Memory Type

The type of memory used by this chip

DDR4-1866
DDR5-5200

Is Unlocked

Can this CPU can be overclocked

No
-

Supports ECC memory

Does this CPU support error correcting memory

No
No

Core i7-6700K vs Core i7-1355U comparison

Our benchmark analysis concludes that the Core i7-6700K performs better than the Core i7-1355U. Furthermore, our gaming benchmark shows that it also outperforms the Core i7-1355U in all gaming tests too.

When comparing core counts for these CPUs, we notice that the Core i7-1355U has significantly more cores with 10 cores compared to the Core i7-6700K that has 4 cores. It also has more threads than the Core i7-6700K. These CPUs have different clock speeds. Indeed, the Core i7-6700K has a significantly higher clock speed compared to the Core i7-1355U. Despite this, the Core i7-1355U has a slightly higher turbo speed. The cache sizes of these CPUs are different. Indeed, the Core i7-1355U has significantly more L2 cache than the Core i7-6700K. The Core i7-1355U also has significantly more L3 cache.

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 i7-6700K has more threads than cores. Each physical core is split into multiple threads.

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