Intel Core i7-6660U vs HiSilicon Kirin 650

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CPU comparison with benchmarks


Intel Core i7-6660U CPU1 vs CPU2 HiSilicon Kirin 650
Intel Core i7-6660U HiSilicon Kirin 650

CPU comparison

Intel Core i7-6660U or HiSilicon Kirin 650 - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The Intel Core i7-6660U has 2 cores with 4 threads and clocks with a maximum frequency of 3.40 GHz. Up to 32 GB of memory is supported in 2 memory channels. The Intel Core i7-6660U was released in Q1/2016.

The HiSilicon Kirin 650 has 8 cores with 8 threads and clocks with a maximum frequency of 2.00 GHz. The CPU supports up to GB of memory in 2 memory channels. The HiSilicon Kirin 650 was released in Q2/2016.
Intel Core i7 (293) Family HiSilicon Kirin (29)
Intel Core i 6000U (20) CPU group HiSilicon Kirin 650 (4)
6 Generation 4
Skylake U Architecture Cortex-A53 / Cortex-A53
Mobile Segment Mobile
-- Predecessor --
Intel Core i7-7660U Successor --

CPU Cores and Base Frequency

The Intel Core i7-6660U is a 2 core processor with a clock frequency of 2.40 GHz (3.40 GHz). The HiSilicon Kirin 650 has 8 CPU cores with a clock frequency of 2.00 GHz.

Intel Core i7-6660U Characteristic HiSilicon Kirin 650
2 Cores 8
4 Threads 8
normal Core architecture hybrid (big.LITTLE)
Yes Hyperthreading No
No Overclocking ? No
2.40 GHz (3.40 GHz) A-Core 2.00 GHz
4x Cortex-A53
-- B-Core 1.70 GHz
4x Cortex-A53

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

Intel Core i7-6660U Characteristic HiSilicon Kirin 650
-- AI hardware --
-- AI specifications --

Internal Graphics

The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.

Intel Iris Graphics 540 GPU ARM Mali-T830 MP2
0.30 GHz GPU frequency 0.90 GHz
1.05 GHz GPU (Turbo) --
9 GPU Generation Midgard 4
14 nm Technology 28nm
3 Max. displays 2
48 Compute units 2
384 Shader 32
No Hardware Raytracing No
No Frame Generation No
32 GB Max. GPU Memory --
12 DirectX Version 11

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

Intel Iris Graphics 540 GPU ARM Mali-T830 MP2
Decode / Encode Codec h265 / HEVC (8 bit) Decode / Encode
No Codec h265 / HEVC (10 bit) Decode
Decode / Encode Codec h264 Decode / Encode
No Codec VP9 No
Decode / Encode Codec VP8 Decode / Encode
No Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

The Intel Core i7-6660U supports a maximum of 32 GB of memory in 2 memory channels. The HiSilicon Kirin 650 can connect up to GB of memory in 2 memory channels.

Intel Core i7-6660U Characteristic HiSilicon Kirin 650
LPDDR3-1866, DDR4-2133 Memory LPDDR3-933
32 GB Max. Memory
2 (Dual Channel) Memory channels 2 (Dual Channel)
34.1 GB/s Max. Bandwidth --
No ECC No
-- L2 Cache --
4.00 MB L3 Cache --
3.0 PCIe version --
12 PCIe lanes --
11.8 GB/s PCIe Bandwidth --

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core i7-6660U has a TDP of 15 W, that of the HiSilicon Kirin 650 is --.

Intel Core i7-6660U Characteristic HiSilicon Kirin 650
15 W TDP (PL1 / PBP) --
-- TDP (PL2) --
-- TDP up --
9.5 W TDP down --
100 °C Tjunction max. --

Technical details

The Intel Core i7-6660U has a 4.00 MB cache, while the HiSilicon Kirin 650 cache has a total of 0.00 MB.

Intel Core i7-6660U Characteristic HiSilicon Kirin 650
14 nm Technology 16 nm
Monolithic Chip design Chiplet
x86-64 (64 bit) Instruction set (ISA) Armv8-A (64 bit)
SSE4.1, SSE4.2, AVX2 ISA extensions --
BGA 1356 Socket --
VT-x, VT-x EPT, VT-d Virtualization None
Yes AES-NI No
Windows 10, Linux Operating systems Android
Q1/2016 Release date Q2/2016
415 $ Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
⌀ Multi core performance in 1 CPU benchmarks

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i7-6660U Intel Core i7-6660U
2C 4T @ 3.40 GHz
820 (100%)
HiSilicon Kirin 650 HiSilicon Kirin 650
8C 8T @ 2.00 GHz
163 (20%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i7-6660U Intel Core i7-6660U
2C 4T @ 2.40 GHz
1896 (100%)
HiSilicon Kirin 650 HiSilicon Kirin 650
8C 8T @ 2.00 GHz
763 (40%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
Intel Core i7-6660U Intel Core i7-6660U
Intel Iris Graphics 540 @ 1.05 GHz
806 (100%)
HiSilicon Kirin 650 HiSilicon Kirin 650
ARM Mali-T830 MP2 @ 0.90 GHz
61 (8%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
Intel Core i7-6660U Intel Core i7-6660U
2C 4T @ 3.40 GHz
1092 (100%)
HiSilicon Kirin 650 HiSilicon Kirin 650
8C 8T @ 2.00 GHz
0 (0%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
Intel Core i7-6660U Intel Core i7-6660U
2C 4T @ 2.40 GHz
2197 (100%)
HiSilicon Kirin 650 HiSilicon Kirin 650
8C 8T @ 2.00 GHz
0 (0%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
Intel Core i7-6660U Intel Core i7-6660U
2C 4T @ 2.40 GHz
3720 (100%)
HiSilicon Kirin 650 HiSilicon Kirin 650
8C 8T @ 2.00 GHz
0 (0%)

Devices using this processor

Intel Core i7-6660U HiSilicon Kirin 650
Unknown Unknown

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