Intel Core i7-6650U
Intel Core i7-6660U
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Intel Core i7-6650U vs Intel Core i7-6660U. Specifications, performance, tests

Overall score
star star star star star
Released
Q3/2015
Intel Core i7-6650U
Intel Core i7-6650U
Released
Q1/2016
Overall score
star star star star star
Intel Core i7-6660U
Intel Core i7-6660U

Compare Intel Core i7-6650U VS Intel Core i7-6660U. Which processor delivers superior performance?

In this detailed comparison, we evaluate the specifications and benchmarks of both processors to determine the best choice for your needs. We analyze their core counts, maximum frequencies, and power consumption.

Intel Core i7-6650U boasts a maximum frequency of 2.20 GHz GHz. 2 cores that enhance multitasking capabilities.With a power consumption of 15 W W, it ensures efficient performance.Released in Q3/2015, it incorporates the latest technology for optimal efficiency.

Intel Core i7-6660U features a maximum frequency of 2.40 GHz GHz. 2 cores designed for high-performance tasks.Its power consumption is 15 W W, providing a balance of power and efficiency.Launched in Q1/2016, it is built to handle demanding applications.

Differences

  • Place in the overall ranking

    (based on several benchmarks)

    1009 left arrow score

Positions in all rankings

Common positions Intel Core i7-6650U CPU in popular benchmarks, for comparison with other models.

  • Cinebench R15 (Single-Core)
    493 place
  • Cinebench R15 (Multi-Core)
    733 place
  • Geekbench 5, 64bit (Single-Core)
    770 place
  • Geekbench 5, 64bit (Multi-Core)
    996 place
  • iGPU - FP32 Performance (Single-precision GFLOPS)
    402 place
  • Geekbench 3, 64bit (Single-Core)
    298 place
  • Geekbench 3, 64bit (Multi-Core)
    502 place
  • Cinebench R11.5, 64bit (Single-Core)
    321 place
  • Cinebench R11.5, 64bit (Multi-Core)
    467 place
  • Estimated results for PassMark CPU Mark
    933 place
  • Geekbench 6 (Multi-Core)
    252 place
  • Higher clock speed

    Around 8% better clock speed

    2.40 GHz left arrow 2.20 GHz

Positions in all rankings

Common positions Intel Core i7-6660U CPU in popular benchmarks, for comparison with other models.

  • iGPU - FP32 Performance (Single-precision GFLOPS)
    409 place

Specifications

Technical data
Intel Core i7-6650U Intel Core i7-6650U
Intel Core i7-6660U Intel Core i7-6660U
CPU family and group

Comprehensive background on the processors being compared, detailing their series, generation, and targeted market segment.

  • Segment
    Mobile left arrow Mobile
  • Family
    Intel Core i7 left arrow Intel Core i7
  • Generation
    6 left arrow 6
  • CPU group
    Intel Core i 6000U left arrow Intel Core i 6000U
CPU Technical specs

Essential parameters including the number of cores, threads, base and turbo frequencies, and cache size. These metrics provide insight into the processor’s speed—higher values generally indicate better performance.

  • Frequency
    2.20 GHz left arrow 2.40 GHz
  • CPU Cores
    2 left arrow 2
  • Turbo (1 Core)
    3.40 GHz left arrow 3.40 GHz
  • CPU Threads
    4 left arrow 4
  • Turbo (2 Cores)
    2.80 GHz left arrow No turbo
  • Hyperthreading
    Yes left arrow Yes
  • Overclocking
    No left arrow No
  • Core architecture
    normal left arrow normal
IGPU

The integrated graphics (iGPU) do not influence the CPU performance significantly; they serve as a substitute for a dedicated graphics card in the absence of one or are utilized in mobile devices.

  • GPU name
    Intel Iris Graphics 540 left arrow Intel Iris Graphics 540
  • GPU frequency
    0.30 GHz left arrow 0.30 GHz
  • GPU (Turbo)
    1.05 GHz left arrow 1.05 GHz
  • Execution units
    48 left arrow 48
  • Shader
    384 left arrow 384
  • Max. GPU Memory
    32 GB left arrow 32 GB
  • Max. displays
    3 left arrow 3
  • Generation
    9 left arrow 9
  • DirectX Version
    12 left arrow 12
  • Technology
    14 nm left arrow 14 nm
  • Release date
    Q3/2015 left arrow Q3/2015
Hardware codec support

This section details the built-in codecs used for encoding and decoding media content, which significantly enhance processing speed and efficiency.

  • h265 / HEVC (8 bit)
    Decode / Encode left arrow Decode / Encode
  • h265 / HEVC (10 bit)
    No left arrow No
  • h264
    Decode / Encode left arrow Decode / Encode
  • VP9
    No left arrow No
  • VP8
    Decode / Encode left arrow Decode / Encode
  • AV1
    No left arrow No
  • AVC
    Decode / Encode left arrow Decode / Encode
  • VC-1
    Decode left arrow Decode
  • JPEG
    Decode / Encode left arrow Decode / Encode
Memory specs & PCI

Overview of the types and quantities of RAM supported by Intel Core i7-6660U and Intel Core i7-6650U. The supported memory frequencies may vary depending on the motherboard configuration.

  • Memory type
    DDR3L-1600 SO-DIMMDDR4-2133 SO-DIMMLPDDR3-1866 left arrow DDR3L-1600 SO-DIMMDDR4-2133 SO-DIMMLPDDR3-1866
  • Max. Memory
    32 GB left arrow 32 GB
  • ECC
    No left arrow No
  • Memory channels
    2 left arrow 2
  • PCIe version
    3.0 left arrow 3.0
  • PCIe lanes
    12 left arrow 12
Encryption
  • AES-NI
    Yes left arrow Yes
Thermal Management

Analyze the TDP (Thermal Design Power) requirements of Intel Core i7-6650U and Intel Core i7-6660U to make an informed decision on the appropriate cooling system. Remember that TDP refers to thermal watts, not electrical watts.

  • TDP (PL1)
    15 W left arrow 15 W
  • TDP down
    9.5 W left arrow 9.5 W
  • Tjunction max.
    100 °C left arrow 100 °C
Technologies and extensions

Information on architecture, interfaces, and additional instructions supported by Intel Core i7-6650U and Intel Core i7-6660U, including virtual machine technologies and fabrication processes.

  • Instruction set (ISA)
    x86-64 (64 bit) left arrow x86-64 (64 bit)
  • Virtualization
    VT-x, VT-x EPT, VT-d left arrow VT-x, VT-x EPT, VT-d
  • ISA extensions
    SSE4.1, SSE4.2, AVX2 left arrow SSE4.1, SSE4.2, AVX2
  • L3-Cache
    4.00 MB left arrow 4.00 MB
  • Architecture
    Skylake U left arrow Skylake U
  • Technology
    14 nm left arrow 14 nm
  • Socket
    BGA 1356 left arrow BGA 1356
  • Release date
    Q3/2015 left arrow Q1/2016

Benchmarks

Performance tests CPUs

By analyzing the results from various benchmarks, you can gain a clearer understanding of the performance differences between Intel Core i7-6650U and Intel Core i7-6660U.

Compare the synthetic benchmark scores and make an informed decision on the best processor for your needs!

iGPU - FP32 Performance (Single-precision GFLOPS)
The performance of the iGPU - the internal GPU in games
806
Intel Core i7-6650U
806
Intel Core i7-6660U

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