Intel Launches Core i3/i5 Penta-Core Lakefield Hybrid Processors

Intel unveiled plans for Lakefield Hybrid processors last year which combined a high-performance Sunny Cove core with four low-power Atom cores using Foveros 3D stacking technology and offering high peak single-thread performance and low power consumption for most tasks in a similar way to Arm’s big.LITTLE or DynamIQ technology.

The company has now launched the first two penta-core Lakefield hybrid processors with Core i5-L16G7 and Core i3-L13G4 processors both with a 7W SDP (Scenario Design Power), but no TDP number which makes sense considering the Hybrid nature of the processor.

Intel Lakefield Hybrid Processor Block Diagram
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Main features and specifications of the processors:

  • Intel Core i3-L13G4
    • CPU – 1x high-performance Sunny Cove core @ 800 MHz / 2.8 GHz (Boost), 4x low-power Atom Tremont cores; All-core turbo boost: 1.3 GHz
    • 4 MB Cache
    • GPU – 48EU Intel UHD Graphics Gen11-LP @ 200 / 500 MHz with DX12, OpenGL4.5 API, and up to 4x independent displays
  • Intel Core i5-L16G7
    • CPU – 1x high-performance Sunny Cove core @ 1.4 GHz / 3.0 GHz (Boost), 4x low-power Atom Tremont cores; All-core turbo boost: 1.8 GHz
    • 4 MB Cache
    • GPU – 68EU Intel UHD Graphics Gen11-LP @ 200 / 500 MHz with DX12, OpenGL4.5 API, and up to 4x independent displays
  • Memory I/F – Up to 8GB LPDDR4X-4267 POP (Package-on-Package, meaning memory and SoC should be integrated into a single package)
  • Storage I/F – UFS 3.0 and NVMe
  • Display – Gen11.5 display processor up to 5k60 and 4k120 video output
  • USB – USB Type-C interface
  • PCIe – Up to 6x PCIe Gen 3.0 lanes
  • Low-speed interfaces –  SPI, I2C, LPSS, I3S
  • Process – 10 nm

You’ll find a detailed side-by-side comparison on Intel Ark website.

Intel Lakefield Hybrid Processor Peripherals
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Intel explains the new hybrid processors are designed for thin tablets and laptops and offer the following benefits:

  • 12 x 12 x 1mm package stacking two logic dies and two layers of DRAM in three dimensions
  • Hardware-guided OS scheduling helps the hybrid CPU deliver up to 24% better performance per SOC power and up to 12% faster single-threaded integer compute-intensive application performance compared to Intel Core i7-8500Y Amber Lake processor.
  • 2x throughput on Intel UHD for AI-enhanced workloads such as video stylization, analytics, and image resolution upscaling.
  • Improved multimedia performance – Up to 1.7x better graphics performance (3DMark 11) and the system converts video clips up to 54% faster (Handbrake RUG 1213)
  • Gigabit connectivity with support for Intel Wi-Fi 6 (Gig+) and Intel LTE solutions
  • Low power consumption – As low as 2.5mW of standby SoC power – an up to 91% reduction compared to Y-series processors
ThinkPad X1 Fold
ThinkPad X1 Fold

The first products based on the new Intel Lakefield hybrid processors will be Lenovo ThinkPad X1 Fold a foldable tablet with a 13.3-inch display, and Samsung Galaxy Book S laptop expected to launch “later this year” and “starting in June” respectively. I’d expect those to compete against always-on always-connected mobile PCs powered by Arm-based Snapdragon 8cx processor in terms of price, performance, and battery life, and Samsung Galaxy Boos S should also have a model based on Snapdragon 8cx.

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