Intel Core i5-1335U
Intel Core i7-8665U
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Intel Core i5-1335U vs Intel Core i7-8665U. Specifications, performance, tests

User rating
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Released
Q1/2023
Intel Core i5-1335U
Intel Core i5-1335U
Released
Q2/2019
User rating
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Intel Core i7-8665U
Intel Core i7-8665U

What's the best choice Intel Core i5-1335U or Intel Core i7-8665U? Which processor is faster?

We have prepared a comparison to help you choose the best processor. Compare their specifications and benchmarks.

Intel Core i5-1335U has a base frequency of 1.30 GHz (4.60 GHz). 10 / 12 CPU Cores / Threads. Stated TDP / base power 15 W. Released in Q1/2023.

Intel Core i7-8665U has a base frequency of 1.90 GHz. 4 CPU Cores / Threads. Stated TDP / base power 15 W. Released in Q2/2019.

Differences

  • More number of cores

    6 more cores

    10 left arrow 4

Positions in all rankings

Common positions Intel Core i5-1335U CPU in popular benchmarks, for comparison with other models.

  • Geekbench 5, 64bit (Single-Core)
    110 place
  • Geekbench 5, 64bit (Multi-Core)
    236 place
  • iGPU - FP32 Performance (Single-precision GFLOPS)
    169 place
  • Estimated results for PassMark CPU Mark
    190 place
  • Geekbench 6 (Single-Core)
    38 place
  • Geekbench 6 (Multi-Core)
    37 place

Positions in all rankings

Common positions Intel Core i7-8665U CPU in popular benchmarks, for comparison with other models.

  • Cinebench R20 (Single-Core)
    169 place
  • Cinebench R20 (Multi-Core)
    311 place
  • Cinebench R15 (Single-Core)
    196 place
  • Cinebench R15 (Multi-Core)
    486 place
  • Geekbench 5, 64bit (Single-Core)
    392 place
  • Geekbench 5, 64bit (Multi-Core)
    535 place
  • iGPU - FP32 Performance (Single-precision GFLOPS)
    667 place
  • Estimated results for PassMark CPU Mark
    464 place

Specifications

Technical data
Intel Core i5-1335U Intel Core i5-1335U
Intel Core i7-8665U Intel Core i7-8665U
CPU family and group

Background information about the processors being compared, series, generation and market segment.

  • CPU group
    Intel Core i 1300P/1300U left arrow Intel Core i 8000U
  • Family
    Intel Core i5 left arrow Intel Core i7
  • Generation
    13 left arrow 8
  • Predecessor
    Intel Core i5-1235U left arrow -
  • Segment
    Mobile left arrow Mobile
CPU Technical specs

Core counts, threads, cache and clock modes describe the CPU configuration. Performance depends on the workload and comparable measured results.

  • A-Core
    2x Raptor Cove left arrow -
  • A-Core Frequency
    1.30 GHz (4.60 GHz) left arrow -
  • B-Core
    8x Gracemont left arrow -
  • B-Core Frequency
    0.90 GHz (3.40 GHz) left arrow -
  • Core architecture
    hybrid (big.LITTLE) left arrow normal
  • CPU Cores
    10 left arrow 4
  • CPU Threads
    12 left arrow 8
  • Hyperthreading / SMT
    Yes left arrow Yes
  • Overclocking
    No left arrow No
  • Base Frequency
    - left arrow 1.9 GHz
  • Turbo Frequency (1 Core)
    - left arrow 4.8 GHz
  • Turbo Frequency (4 Cores)
    - left arrow 2.8 GHz
IGPU

Internal Graphics does not affect the performance of the CPU, performs the work of the graphics card in its absence or on mobile devices.

  • DirectX Version
    12.1 left arrow 12
  • Execution units
    80 left arrow 24
  • Generation
    13 left arrow 9.5
  • GPU Frequency
    350 MHz left arrow 300 MHz
  • GPU name
    Intel Iris Xe Graphics 80 (Alder Lake) left arrow Intel UHD Graphics 620
  • GPU Turbo
    1250 MHz left arrow 1150 MHz
  • Max. displays
    4 left arrow 3
  • Max. GPU Memory
    32 GB left arrow 64 GB
  • Release date
    Q1/2022 left arrow Q3/2016
  • Shader
    640 left arrow 192
  • Technology
    10 nm left arrow 14 nm
Hardware codec support

Built-in codecs used to encode and decode content. Significantly speeds up the required operations.

  • AV1
    Decode left arrow No
  • H.264 / AVC
    Decode / Encode left arrow Decode / Encode
  • h265 / HEVC (8 bit)
    Decode / Encode left arrow Decode / Encode
  • h265 / HEVC (10 bit)
    Decode / Encode left arrow Decode / Encode
  • JPEG
    Decode / Encode left arrow Decode / Encode
  • VC-1
    Decode left arrow Decode
  • VP8
    Decode left arrow Decode / Encode
  • VP9
    Decode / Encode left arrow Decode / Encode
Memory specs & PCI

Types, channel quantity of RAM supported by Intel Core i7-8665U and Intel Core i5-1335U. Depending on the motherboards, higher or lower memory frequencies may be supported.

  • ECC
    No left arrow No
  • Max. Memory
    64 GB left arrow 64 GB
  • Memory Bandwidth
    89.6 GB/s left arrow -
  • Memory channels
    2 (Dual Channel) left arrow 2
  • Memory type
    DDR4-3200DDR5-5200LPDDR4X-4266LPDDR5-6400 left arrow DDR4-2400 SO-DIMM
  • PCIe
    4.0 x 20 left arrow -
  • PCIe lanes
    - left arrow 16
  • PCIe version
    - left arrow 3.0
Encryption
  • AES-NI
    Yes left arrow Yes
Thermal Management

Compare the TDP requirements of TDP Intel Core i5-1335U and Intel Core i7-8665U Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.

  • Maximum Operating Temperature
    100 °C left arrow 100 °C
  • TDP (PL1 / PBP, legacy combined label)
    15 W left arrow -
  • TDP (PL2)
    55 W left arrow -
  • TDP down
    12 W left arrow 10 W
  • TDP up
    - left arrow 25 W
  • TDP (PL1, legacy label)
    - left arrow 15 W
Technologies and extensions

Architecture, interfaces, additional instructions supported by Intel Core i5-1335U and Intel Core i7-8665U, virtual machine technologies and process technology.

  • Architecture
    Raptor Lake U left arrow Whiskey Lake U
  • Chip design
    Monolithic left arrow -
  • Documents
    Technical data sheet left arrow -
  • Instruction set (ISA)
    x86-64 (64 bit) left arrow x86-64 (64 bit)
  • ISA extensions
    SSE4.1, SSE4.2, AVX2 left arrow SSE4.1, SSE4.2, AVX2
  • L3-Cache
    12 MB left arrow 8 MB
  • Operating systems
    Windows 10, Windows 11, Linux left arrow -
  • Release date
    Q1/2023 left arrow Q2/2019
  • Socket
    BGA 1744 left arrow BGA 1356
  • Technology
    10 nm left arrow 14 nm
  • Virtualization
    VT-x, VT-x EPT, VT-d left arrow VT-x, VT-x EPT, VT-d

Benchmarks

Performance tests CPUs
Individual model tests

These results have no shared test of both models with the same version and settings. They are shown separately without a percentage difference.

Intel Core i5-1335U

Intel Core i7-8665U

Individual system tests

Results were obtained on the reported systems. Test versions and settings remain separate; incomplete conditions do not support calculated model performance differences.

RandomX / XMRig 6.21.3 / 1M / 9 threads / windows

Model ResultReported conditions
Intel Core i5-1335U 2668.367306 H/s RandomX / XMRig 6.21.3 / 1M / 9 threads / windows
System RAM: 16 GB
OS: Windows NT 10.0
Motherboard: Dell Inc. / 0R75N0
Duration: 374.761 s
User-submitted run; tuning and power settings are incomplete.

Based on the results of several benchmarks, you can more accurately estimate the difference in performance between Intel Core i5-1335U and Intel Core i7-8665U.

Compare the synthetic test values and choose the best processor!

These are saved results from the earlier catalog. Measurement dates and test configurations were not recorded. Models with no comparable results are omitted.

Recent models: test results with identified primary sources — Cinebench R23 · Cinebench R20 · Cinebench R15 · Cinebench 2026 · RandomX benchmark

Geekbench 5, 64bit (Single-Core)
Geekbench 5 SC is a popular cross-platform performance test for desktop or mobile processors that uses system memory intensively

Higher values are better in this metric.

1628.000000
Intel Core i5-1335U
1033.000000
Intel Core i7-8665U
Geekbench 5, 64bit (Multi-Core)
Geekbench 5 MC is a popular cross-platform performance test for desktop or mobile processors that uses system memory intensively

Higher values are better in this metric.

7240.000000
Intel Core i5-1335U
3289.000000
Intel Core i7-8665U
iGPU - FP32 Performance (Single-precision GFLOPS)
The performance of the iGPU - the internal GPU in games

Higher values are better in this metric.

1549.000000
Intel Core i5-1335U
442.000000
Intel Core i7-8665U
Estimated results for PassMark CPU Mark
PassMark is a test suite that performs complex mathematical calculations to determine CPU performance on file compression, encryption and physics-related tasks

Higher values are better in this metric.

17062.000000
Intel Core i5-1335U
8637.000000
Intel Core i7-8665U

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