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The Lenovo Legion Slim 7i is a powerful and versatile laptop designed for both gamers and creative professionals who need a high-performance machine without compromising portability. Equipped with an NVIDIA GeForce RTX 4070 GPU and 32GB of RAM, this laptop delivers outstanding graphics performance and seamless multitasking.
While the Slim 7i isn’t the lightest laptop at around 2kg, it’s still 500 grams lighter than the original model, making it a more portable option for users who need power on the go. However, it has been known to experience overheating issues, which we’ll discuss later in this review—along with a simple fix to resolve it.
A Premium Gaming Laptop with Power to Match
Much like the MSI Stealth 15M and Asus ROG G16, the Legion Slim 7i is positioned in the high-end gaming laptop market, and its pricing reflects this classification.
However, for the price, you’re getting a high-performance machine that excels at resource-intensive tasks such as:
✔ Gaming at high resolutions with smooth frame rates.
✔ Video editing and 3D rendering with minimal lag.
✔ Running multiple demanding applications simultaneously.
To test its capabilities, we had a professional video editor put the Lenovo Legion Slim 7i through its paces.
Performance for Video Editing
The Slim 7i handled video editing exceptionally well.
“For video editing, it really stands out; I can run multiple applications simultaneously without any hiccups. While editing in DaVinci Resolve, I often have VLC Media Player open to preview clips, and even during rendering, I can browse the internet or watch YouTube with no slowdowns.”
One of the best examples of its capabilities was during a project that required enhancing the visibility of a distant object in a 4K video. The process involved:
✔ Using two 4K video tracks—one for cropping and zooming and another as the base layer.
✔ Smooth timeline navigation and real-time previews, unlike his previous AMD desktop, which would struggle with playback.
✔ A final render time of just a few minutes, compared to the 20-30 minutes it used to take.
The Legion Slim 7i’s speed and responsiveness make it an excellent choice for professional video editors who need fast rendering and smooth playback.
Gaming Performance
When it comes to gaming, the Legion Slim 7i delivers an impressive experience.
✔ Native 3200×2000 resolution ensures crisp visuals and stunning detail.
✔ Scaling down to 2560×1440 resolution allows for higher refresh rates, exceeding 100 fps in supported games.
✔ The NVIDIA RTX 4070 takes full advantage of ray tracing and DLSS, delivering smooth gameplay in AAA titles.
Our reviewer tested Elden Ring, and the performance was fantastic. The detailed environments looked incredible on the high-resolution display, and the game ran buttery smooth even on high settings. The Legion Slim 7i is more than capable of handling other demanding AAA titles, making it a top choice for gamers.
Overheating Issues & How We Fix Them
One of the downsides of the Legion Slim 7i is that it can overheat during intensive tasks. However, our reviewer found a simple fix that drastically improved thermals:
✔ Disable “Processor Performance Boost Mode” in Power Settings – This reduces unnecessary CPU spikes that generate heat, stabilizing temperatures without compromising performance.
By making this adjustment, the laptop’s thermals became much more manageable, even under heavy workloads.
Design & Connectivity Considerations
The slim design is great for portability, but it comes with some trade-offs:
✔ No direct Ethernet port – A docking solution is needed for wired connections.
✔ Only HDMI for external displays – No DisplayPort, which may require adapters or hubs for multi-monitor setups.
✔ Excellent port positioning – Most ports are placed at the back, helping to keep cables organized.
These trade-offs are expected in ultra-slim gaming laptops, but they’re worth noting for users who prioritize connectivity options.
Final Thoughts – Is the Legion Slim 7i Worth It?
The Lenovo Legion Slim 7i is a powerful and versatile machine that excels at handling demanding workloads and high-resolution gaming. With strong hardware, great display options, and a relatively portable form factor, it’s a top-tier choice for gamers and creative professionals.
However, its price is on the higher end, so if want a cheaper option or just something different, try our Laptop Finder Quiz and be matched with instant recommendations.
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