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Lenovo IdeaPad Slim 3i 15 vs Lenovo IdeaPad Slim 3 15.6" Laptop

The IdeaPad Slim 3i 15 is the stronger machine: 16 GB of RAM, a 512 GB SSD, a 16:10 WUXGA IPS panel and a Core Ultra 5 put it a clear step above the Slim 3. The Slim 3 pairs a Ryzen 5 with only 8 GB of RAM and a 256 GB drive on a dimmer 16:9 TN screen, so it suits light web and document work. Owners rate the Slim 3i well at 4.7 from 53 ratings; the Slim 3 has no comparable owner feedback here. Buy the 3i unless the budget is tight and the workload is basic.

  • Choose the IdeaPad Slim 3i 15 if you want 16 GB of RAM, a 512 GB SSD and a sharper 16:10 IPS screen for real multitasking.
  • Choose the IdeaPad Slim 3 if your work is browsing, email and documents and you want a simple AMD-based Windows laptop.

Prices

  • Lenovo IdeaPad Slim 3i 15: $644.00 at eBay (checked today)
  • Lenovo IdeaPad Slim 3 15.6" Laptop: $379.99 at BJ's Wholesale Club (last seen Nov 2)
  • Difference: the Lenovo IdeaPad Slim 3 15.6" Laptop is $264.01 cheaper than the Lenovo IdeaPad Slim 3i 15 at the latest prices (Nov 2 and Nov 14)
Lenovo
Lenovo IdeaPad Slim 3i 15" Laptop

Lenovo IdeaPad Slim 3i 15

Lenovo IdeaPad Slim 3i 15" Laptop

4.7(53 ratings)
$644.00at eBayChecked 4 h ago
See all prices and details
Visit eBay

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Pros
  • 16 GB RAM handles many browser tabs and apps at once
  • 512 GB SSD leaves room for files and programs
  • 16:10 IPS screen is brighter and taller than a TN panel
  • Core Ultra 5 with Copilot+ features and long rated battery life
Cons
  • PC-ABS body feels less premium than metal laptops
  • Intel integrated graphics limit gaming and heavy creative work
  • No listed Wi-Fi standard or port details
Lenovo
Lenovo IdeaPad Slim 3 15.6" Full HD Laptop

Lenovo IdeaPad Slim 3 15.6" Laptop

Lenovo IdeaPad Slim 3 15.6" Full HD Laptop

$379.99at BJ's Wholesale ClubChecked Nov 2
See all prices and details
Visit BJ's Wholesale Club
Pros
  • Ryzen 5 is fine for web, office and streaming
  • 180-degree hinge makes it easy to share a screen
  • Wi-Fi 6 and USB-C plus HDMI cover the basics
  • No-glare screen reduces reflections
Cons
  • 8 GB RAM fills up quickly with many tabs
  • 256 GB SSD is tight once Windows and apps are installed
  • TN panel has weaker viewing angles and color than IPS

What separates them

Lenovo IdeaPad Slim 3i 15Lenovo IdeaPad Slim 3 15.6" Laptop
ProcessorIntel Core Ultra 5, 6 cores at 2.4 GHzAMD Ryzen 5, quad core at 2.8 GHz
Memory16 GB installed, expandable to 40 GB8 GB installed
Storage512 GB SSD256 GB NVMe SSD
Display15.3 in WUXGA 1920x1200 IPS, 16:1015.6 in Full HD 1920x1080 TN, 16:9, no-glare
Battery lifeRated up to 11 hours with Rapid ChargeNot rated by the maker
Weight3.58 lb3.6 lb
Build and hingePC-ABS chassis, standard hinge180-degree hinge design
Ports and wirelessNot detailed beyond standard laptop portsUSB-C, HDMI, Wi-Fi 6

Price history

$644.00$379.99
Nov 3Nov 14
  • Lenovo IdeaPad Slim 3i 15: lowest $644.00 on Nov 14 at eBay.
  • Lenovo IdeaPad Slim 3 15.6" Laptop: lowest $379.99 on Nov 3 at BJ's Wholesale Club; $447.96 on Nov 14.

Prices at every store

Lenovo IdeaPad Slim 3i 15

  • eBayNew

    In stock

    $644.00Free shippingChecked 4 h ago
    Visit eBay
  • WalmartNew

    In stock

    $699.00Checked 1 h ago
    Visit Walmart
  • WalmartNew

    In stock

    $699.00Checked 1 h ago
    Visit Walmart

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All 2 stores and price history →

Lenovo IdeaPad Slim 3 15.6" Laptop

  • WalmartNew

    In stockSold by Daily Spirit DealsReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.

    $391.50Free shippingChecked 2 h ago
    Visit Walmart
  • BJ's Wholesale ClubNew

    Availability unknown

    $379.99Checked Nov 2
    Visit BJ's Wholesale Club
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $447.96Free shippingChecked 4 h ago
    Visit Amazon
  • eBayNew

    Availability unknown

    $479.99Checked Nov 2
    Visit eBay

Store links may earn us a commission.

All 12 stores and price history →

Specs compared

SpecLenovo IdeaPad Slim 3i 15Lenovo IdeaPad Slim 3 15.6" Laptop
colorGrayBlue
ProcessorIntel Core Ultra 5AMD Ryzen 5
Screen size15.3 in15.6 inches
ResolutionWUXGA (1920 x 1200)1920 x 1080
Weight3.58 lb3.6 lb
Operating SystemWindows OSWindows OS
Processor BrandIntel CPUAMD CPU
Graphics ProcessorIntel GPUAMD GPU
TouchscreenYesYes
Drive TypeSolid State DriveSolid State Drive
Drive Capacity512 GB drive256 GB drive
Installed Memory16 GB RAM8 GB RAM
Show all 40 specsShow fewer specs
SpecLenovo IdeaPad Slim 3i 15Lenovo IdeaPad Slim 3 15.6" Laptop
Processor Speed2.4 GHz CPU2.8 GHz CPU
BrandLenovo—
Proc. brandIntel—
OSWindows 11 Home—
RAM memory16 GB—
HD typeSolid State—
HD capacity512 GB—
Graphic cardIntel Graphics—
Battery life11 h—
Laptop typePC Laptops

What reviewers say

Lenovo IdeaPad Slim 3i 15

  • 4.7 / 553 ratings

Owners rate it 4.7 out of 5 across 53 ratings, praising the screen, everyday speed and battery. Criticism centers on the plastic build and modest graphics.

What people mention
  • DisplayPraisedOwners like the tall 16:10 WUXGA panel for documents and say text looks sharp.
  • PerformancePraisedThe Core Ultra 5 with 16 GB RAM is described as quick for browsing, Office and video calls.
  • BatteryPraisedReviewers report it lasting most of a workday and charging quickly with Rapid Charge.
  • BuildCriticisedThe PC-ABS plastic body draws comments that it feels less solid than metal laptops.

Lenovo IdeaPad Slim 3 15.6" Laptop

Owner feedback on the IdeaPad Slim 3 line is mixed: people like the price, weight and fast SSD, but many complain about the dim TN screen and limited RAM. It is generally seen as fine for basic tasks and not for creative work or gaming.

What people mention
  • DisplayCriticisedOwners say the TN panel loses color and contrast when viewed off-center and is not bright outdoors.
  • MemoryCriticisedBuyers report 8GB is tight with many browser tabs and that the RAM is soldered on most configurations.
  • PerformancePraisedThe Ryzen 5 and SSD are described as snappy for browsing, office work and video calls.
  • BuildMixedPeople call it light and portable but note the plastic chassis flexes.

Questions and answers

Which is better for multitasking?
The Slim 3i 15. Its 16 GB of RAM and 512 GB SSD handle many open apps and files far better than the Slim 3's 8 GB and 256 GB.
Is the Slim 3i screen better?
Yes. It is a 16:10 IPS panel at 1920x1200, which gives more vertical space and better viewing angles than the Slim 3's 16:9 TN screen.
Which lasts longer?
The Slim 3i has a rated 11-hour battery and Rapid Charge. The Slim 3 has no published battery rating, so the 3i is the safer bet for a full day unplugged.
Is the Slim 3i worth stepping up to?
For most people, yes. Doubling the RAM and storage and moving to an IPS screen changes daily use more than the processor name does.
Can I upgrade the memory later?
The Slim 3i lists a 40 GB maximum, so it has room to grow. The Slim 3 lists 8 GB with no stated maximum.
Which is better for students?
The Slim 3i for heavier course loads and long battery life. The Slim 3 covers note-taking, email and streaming if the work stays light.

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Buying guides that pick them

  • Best laptops for everyday home and school use
  • Best multitasking laptops under $700
—
Rec. useHome Office—
DisplayIPS LCD—
Core count6—
Proc. speed2.4 GHz—
Color categoryGray—
Refresh rate5600 Hz—
Max RAM40 GB—
MaterialPC-ABS—
ManufacturerLENOVO—
Model nameIdeaPad Slim 3i—
Number Of Cores—Quad Core
Language—English / North America
With No-Glare Screen—Yes
Available Ports—USB-C, HDMI
Energy Star—Yes
EPEAT-Registered—Yes
Graphics—Radeon 610M
Memory—8 GB RAM