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Eclipse Black gaming laptop, 15.1 inch OLED screen, RGB keyboard, 0.84 inch profile

Lenovo

Lenovo Legion 5i 15.1" Ultra 9-275HX RTX 5070 96 GB 4 TB gaming laptop

SKU CH-5REJ-DDD5E

A 15.1" WQXGA OLED 165 Hz gaming laptop with a 24-core Intel Core Ultra 9 275HX, RTX 5070 graphics, 96 GB DDR5 and a 4 TB PCIe SSD

  • Release Year2025
  • ColorEclipse Black
  • Screen15.1 inches
  • StorageSSD
  • Graphics CardNvidia GeForce RTX5070
  • Dimensions (W x D x H)0.84 in x 10.1 in x 13.6 in
  • Intel Core Ultra 9 275HX with 24 cores drives elite multitasking
  • 96 GB DDR5 memory handles heavy workloads without slowdown
  • 4 TB PCIe SSD stores massive libraries at high speed
  • 1 inch WQXGA OLED at 165 Hz delivers smooth, vivid visuals
  • NVIDIA GeForce RTX 5070 graphics power modern games and creative apps

Legion 5i 15.1" WQXGA OLED

The Lenovo Legion 5i is a 15.1-inch gaming laptop built around an Intel Core Ultra 9 275HX processor with 24 cores and a 5.40 GHz maximum turbo speed. It pairs 96 GB of DDR5 memory with a 4 TB PCIe SSD and an NVIDIA GeForce RTX 5070 GPU. The Eclipse Black chassis houses a 2560 x 1600 OLED display running at 165 Hz with 500 nits brightness.

Build integration and expansion

The system ships with Windows 11 Pro installed and includes a 5 MP front camera with an E-privacy shutter, a dual-microphone array and Nahimic Audio for clear communication. Connectivity relies on Wi-Fi 7 and Bluetooth 5.3 for wireless peripherals. The TrueStrike keyboard features zoned RGB lighting controlled through Lenovo Spectrum, while the 4 TB drive provides substantial internal storage for games and project files.

Ideal user and alternatives

This configuration suits university gamers and creators who need high core counts, a high-refresh OLED panel and large memory capacity in a 1.5 lb, 0.84-inch thin form factor. Buyers requiring a different GPU tier, a lower-resolution screen or a heavier chassis with more extensive cooling should evaluate other models in the range.

Highlights

  • Intel Core Ultra 9 275HX with 24 cores drives elite multitasking
  • 96 GB DDR5 memory handles heavy workloads without slowdown
  • 4 TB PCIe SSD stores massive libraries at high speed
  • 1 inch WQXGA OLED at 165 Hz delivers smooth, vivid visuals
  • NVIDIA GeForce RTX 5070 graphics power modern games and creative apps

Specifications

BrandLenovo
Model83F0001SUS516
Part Number83F0001SUS516
Release Year2025
ColorEclipse Black
Screen15.1 inches
StorageSSD
Graphics CardNvidia GeForce RTX5070
Dimensions (W x D x H)0.84 in x 10.1 in x 13.6 in
Weight1.5 lb
CPU Typeintel_core_ultra_9
Number of Cores1
Turbo Frequency2.7 GHz
Screen Size15.1 inches
Display TypeLED
Operating SystemW11 Pro
GPU/VPUNvidia GeForce RTX5070
Graphic TypeDedicated
SSDSSD
HDDSSD
Storage SpecSSD
Memory Spec96 GB
Max Memory Supported96 GB
WLAN802_11_BE
WiFi Generation802_11_BE
WebcamFront
StyleW11 Pro
TypeGaming
UsageGaming
Package ContentAdapter

Questions about this item

What thermal throttle point does the Core Ultra 9 275HX hit when all 24 cores sustain 5.40 GHz turbo?

The 24-core Ultra 9 275HX pushes up to 5.40 GHz under load; the Legion cold-plate and vapor-chamber cooling keep temperatures in check during extended sessions.

How loud do the fans run and what is the surface temperature after hours of gaming?

Dual fans spin quietly at idle and ramp up under load; the Eclipse Black chassis stays comfortable to touch even during long gaming marathons.

Which peripherals and accounts are required before the laptop can be used?

Windows 11 Pro is pre-installed and ready to go; just add a Microsoft account and any Wi-Fi 7 or Bluetooth 5.3 accessories you prefer.

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