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Black Legion 5i 15 gaming laptop closed lid matte finish eclipse black color

Lenovo

Lenovo Legion 5i 15 gaming laptop i7-14700HX RTX 5070 64GB 1TB OLED 165Hz

SKU CH-FKBB-V1YSJ

A 15.1" 2560x1600 OLED 165Hz gaming laptop with an Intel Core i7-14700HX 20-core processor, RTX 5070 8GB graphics, 64GB DDR5 memory and a 1TB PCIe SSD

  • ColorBlack
  • CPU TypeIntel Core i7 14th Gen
  • Processor Name2.10GHz
  • Number of Cores20-core (8P+12E) Processor
  • Turbo Frequency5.5 GHz
  • Screen Size15.1"
  • 20-core Intel i7-14700HX reaches 5.5 GHz turbo for fast compute
  • 1" OLED 165Hz panel shows 2560 x 1600 detail with deep contrast
  • RTX 5070 8 GB GPU drives modern titles at high settings
  • 64 GB DDR5 and 1 TB PCIe SSD give ample memory and storage headroom
  • Wi-Fi 7 plus HDMI 2.1 and USB-C DisplayPort 2.1 simplify desk setup

Legion 5i 15 with i7-14700HX and RTX 5070

This Lenovo gaming laptop pairs a 20-core Intel Core i7-14700HX processor with an NVIDIA GeForce RTX 5070 8 GB GPU. It includes 64 GB of DDR5 memory and a 1 TB PCIe SSD. The 15.1-inch OLED panel runs at 2560 x 1600 resolution and 165 Hz refresh rate. Windows 11 Pro and an Office 2024 licence are pre-installed.

Who this suits and who should look elsewhere

The 20-core CPU and 64 GB memory suit content creators, developers and competitive gamers who need high multithread throughput. The 8 GB GPU frame buffer limits 4K ultra texture workloads, so buyers targeting that resolution should consider a model with more video memory. The 15.1-inch chassis weighs 4.4 pounds, so users prioritising ultra-light travel may prefer a smaller form factor.

Deciding specification: 8 GB RTX 5070 video memory

The GeForce RTX 5070 ships with 8 GB of dedicated video memory. That capacity determines whether the laptop can hold high-resolution textures and large frame buffers without swapping to system RAM. If your workflow or target games regularly exceed 8 GB VRAM usage, this SKU will bottleneck performance regardless of the fast CPU or 64 GB DDR5.

Highlights

  • 20-core Intel i7-14700HX reaches 5.5 GHz turbo for fast compute
  • 1" OLED 165Hz panel shows 2560 x 1600 detail with deep contrast
  • RTX 5070 8 GB GPU drives modern titles at high settings
  • 64 GB DDR5 and 1 TB PCIe SSD give ample memory and storage headroom
  • Wi-Fi 7 plus HDMI 2.1 and USB-C DisplayPort 2.1 simplify desk setup

Specifications

SeriesRaider
ModelLegion 5i 15
ColorBlack
CPU TypeIntel Core i7 14th Gen
Processor Name2.10GHz
Number of Cores20-core (8P+12E) Processor
Turbo Frequency5.5 GHz
Screen Size15.1"
TouchscreenNon-Touch Screen
Display TypeQHD
Resolution2560 x 1600
Operating SystemWindows 11 Pro
GPU/VPUGeForce RTX 5070 Laptop GPU
Video Memory8GB
SSD1TB PCIe SSD
HDDNo
Memory64GB
Optical Drive TypeNo
WLANYes
BluetoothYes
USB2
HDMI1 x HDMI
Audio Ports1 x Headphone/Microphone Combo Jack
AudioIntegrated Sound card
SpeakerInternal Speakers
TouchpadYes
KeyboardYes
Backlit KeyboardBacklit
WebcamYes
StyleStandard
TypeGaming
UsageConsumer
Package ContentLaptop, Charger
Weight4 - 4.9 lbs.

Questions about this item

How long will the 64GB DDR5 and i7-14700HX sustain 5.5 GHz turbo before thermal limits throttle the CPU?

The 20-core i7-14700HX with 28 threads hits 5.5 GHz turbo, but sustained clocks depend on the Legion 5i 15 cooling solution and workload; expect throttling once the vapor chamber saturates under continuous all-core load.

What are the fan noise and surface temperatures when the RTX 5070 and CPU run flat-out for hours?

Under prolonged gaming the dual-fan system spins up audibly; keyboard deck and bottom panel reach warm temperatures while the 165 Hz OLED panel stays cool, so headphones or external cooling help for marathon sessions.

Which cables or docks do I need to drive an external 8K 60 Hz monitor from the HDMI 2.1 port?

Use an Ultra High Speed HDMI cable certified for 8K 60 Hz; the HDMI 2.1 port on the Legion 5i 15 supports that resolution directly, no dock required.

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