Intel Core i7-6820HK vs Intel Core i7-3940XM

Compare Intel 6th Generation Core i7 4 core CPU vs Intel Core X-series 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

2407 points
2439 points
1% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

3907 points
3946 points
1.00% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

1957 points
1992 points
1% slightly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

1876 points
1913 points
1% slightly better heavy workload score

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Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

60.12 points
22% slightly higher Blender score
48.88 points
Geekbench 5 (multi) score

Geekbench 5 (multi) score

Multi threaded benchmark

3829 points
27% slightly higher Geekbench 5 (multi) score
2994 points
Geekbench 5 (single) score

Geekbench 5 (single) score

Single threaded benchmark

1140 points
43% significantly higher Geekbench 5 (single) score
793 points
Geekbench 6 (multi) score

Geekbench 6 (multi) score

Multi threaded benchmark

3996 points
95% significantly higher Geekbench 6 (multi) score
2039 points
Geekbench 6 (single) score

Geekbench 6 (single) score

Single threaded benchmark

1230 points
90% significantly higher Geekbench 6 (single) score
644 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

2.7 GHz
3.20 GHz
18% slightly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

3.6 GHz
3.9 GHz
8% slightly higher turbo speed

TDP

Thermal Design Power: Measure of heat generated by the CPU

45 W
22% slightly lower TDP
55 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

643rd of 1,089
638th of 1,089

Family

The product line

6th Generation Core i7
Core X-series

Release date

The official date of release of this chip

2015 August
2012 August

Memory Type

The type of memory used by this chip

DDR4-2133
DDR3-1333

Supports ECC memory

Does this CPU support error correcting memory

No
No

Core i7-6820HK vs Core i7-3940XM benchmarks

Our benchmark analysis concludes that the Core i7-6820HK performs better than the Core i7-3940XM. Furthermore, our gaming benchmark shows that it also outperforms the Core i7-3940XM in all gaming tests too.

Info from our database shows that they both have the same core count and the same number of threads. Our comparison shows that the Core i7-3940XM has a slightly higher clock speed compared to the Core i7-6820HK. Also, the Core i7-3940XM has a slightly higher turbo speed. A Core i7-6820HK CPU outputs less heat than a Core i7-3940XM CPU because of its slightly lower TDP. 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 i7-6820HK has more threads than cores. Each physical core is split into multiple threads.

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