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Lenovo IdeaPad Slim 3i vs Lenovo ThinkBook 14 G4

The ThinkBook 14 G4 is the better-built machine and the one most buyers should pick: its Core i7-13620H is a far stronger chip than the IdeaPad's low-power N100, and owners rate it higher. The IdeaPad Slim 3i wins on screen and ports, with a taller 16:10 panel, a backlit keyboard and a full-function USB-C. Buy the IdeaPad for a light, cheap-feeling everyday laptop with a nicer display; buy the ThinkBook if you want real processing power and business security features.

  • Choose the IdeaPad Slim 3i if you mostly browse, stream and write documents and want a taller 16:10 screen, a backlit keyboard and USB-C in a light chassis.
  • Choose the ThinkBook 14 G4 if you run spreadsheets, code or heavy multitasking and want a stronger Core i7 chip, a privacy shutter and TPM 2.0 security.

Prices

  • Lenovo IdeaPad Slim 3i: $174.99 at PayMore Saugus (last seen Nov 13)
  • Lenovo ThinkBook 14 G4: $449.99 at Best Buy (checked today)
  • Difference: the Lenovo IdeaPad Slim 3i is $275.00 cheaper than the Lenovo ThinkBook 14 G4 at the latest prices (Nov 13 and Nov 15)
Lenovo
Lenovo IdeaPad Slim 3i laptop

Lenovo IdeaPad Slim 3i

Lenovo IdeaPad Slim 3i laptop

3.4(198 ratings)
$174.99at PayMore SaugusChecked Nov 13
See all prices and details
Visit PayMore Saugus
Pros
  • Taller 16:10 screen suits documents and web pages
  • 16 GB of fast DDR5 memory
  • Backlit keyboard and full-function USB-C
  • Light at about 3.5 lb
Cons
  • N100 chip struggles with heavy multitasking
  • Owner rating is middling at 3.4 out of 5
  • No privacy shutter or TPM mentioned
Lenovo
Lenovo ThinkBook 14 G4 Laptop

Lenovo ThinkBook 14 G4

Lenovo ThinkBook 14 G4 Laptop

4.3(81 ratings)
$449.99at Best BuyChecked 4 h ago
See all prices and details
Visit Best Buy

Store links may earn us a commission. Price via Klarna.

Pros
  • Core i7-13620H handles demanding work
  • Higher owner rating at 4.3 out of 5
  • Privacy shutter, TPM 2.0 and Kensington slot
  • Lighter at about 1.43 kg
Cons
  • Base config ships with only 8 GB DDR4
  • Smaller 14-inch 16:9 screen
  • No USB-C listed and no backlit keyboard confirmed

What separates them

Lenovo IdeaPad Slim 3iLenovo ThinkBook 14 G4
ProcessorIntel Processor N100, a low-power quad-core for basic tasksIntel Core i7-13620H, a 10-core performance chip
Memory16 GB DDR5-5600, faster and upgrade-friendly SODIMM8 or 16 GB DDR4, slower generation
Screen15.6-inch 1920x1200 16:10 panel, more vertical room14-inch 1920x1080 16:9 panel
PortsUSB-A, full-function USB-C, HDMI, headphone jackUSB-A, HDMI; USB-C not confirmed
SecurityFingerprint readerPrivacy shutter, TPM 2.0, Kensington nano slot
WeightAbout 3.5 lbAbout 3.15 lb (1.43 kg)
Build and owner rating3.4 out of 5 from 198 ratings4.3 out of 5 from 81 ratings
BatteryRated up to 8 hours, with rapid chargeRated up to 8.2 hours

Price history

$629.99$159.00
Nov 2Nov 15
  • Lenovo IdeaPad Slim 3i: lowest $159.00 on Nov 2 at Walmart; $499.99 on Nov 15.
  • Lenovo ThinkBook 14 G4: lowest $449.99 on Nov 10 at Best Buy; $449.99 on Nov 15.

Prices at every store

Lenovo IdeaPad Slim 3i

  • PayMore SaugusNew

    Availability unknown

    $174.99Checked Nov 13
    Visit PayMore Saugus
  • PayMore SaugusNew

    Availability unknown

    $174.99Checked Nov 11
    Visit PayMore Saugus
  • vipoutlet.comNew

    Availability unknown

    $240.00Checked Nov 6
    Visit vipoutlet.com
  • DirectDialNew

    Availability unknown

    $331.00Checked Nov 6
    Visit DirectDial

Also available at

  • eBayCheck price at eBay
  • WalmartCheck price at Walmart
  • QuillCheck price at Quill

Store links may earn us a commission.

All 14 stores and price history →

Lenovo ThinkBook 14 G4

  • Best BuyNew

    In stock

    $449.99Free shippingChecked 4 h ago
    Visit Best Buy
  • WalmartNew

    In stockSold by Velztorm PCReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.

    $557.60Free shippingChecked 4 h ago
    Visit Walmart
  • NeweggNew

    In stock

    $591.99Free shippingChecked 4 h ago
    Visit Newegg
  • StaplesNew

    In stock

    $929.99Free shippingChecked 4 h ago
    Visit Staples

Store links may earn us a commission. Some prices via Klarna.

All 5 stores and price history →

Specs compared

SpecLenovo IdeaPad Slim 3iLenovo ThinkBook 14 G4
Screen Resolution1920 x 12001920x1080 (Full HD)
Operating SystemWindows 11 Home Single Language 64Windows
ColorLuna GreyGray, Black
LanguageEnglish / North AmericaFrench, Italian
Screen Size15.6 inches14.0
ProcessorIntel Core 7Intel Core i7
Windows VersionWindows 11 HomeWindows 11 Home, Windows 11
SSD Size512 GB256 GB
Hard Drive TypeSSDSSD
SeriesLenovo IdeaPad SlimLenovo V14
Release Year20262026, 2025
Processor Model35013620H
Show all 40 specsShow fewer specs
SpecLenovo IdeaPad Slim 3iLenovo ThinkBook 14 G4
RAM16 GB16 GB, 8 GB
Memory16 GB DDR5-5600MT/s (SODIMM)—
Storage512 GB SSD M.2 2242 PCIe Gen4 QLC—
Power Supply65W—
WirelessWi-Fi 6 2x2 AX & Bluetooth® 5.3—
GraphicsIntegrated Intel® Graphics—
KeyboardBacklit, Luna Grey - English (US)—
Resolution1920 x 1080—
Processor BrandIntel CPU—
Touchscreen

What reviewers say

Lenovo IdeaPad Slim 3i

  • 3.4 / 5198 ratings

Ratings average 3.4 out of 5 from 198 ratings, a middling score for a budget laptop. Buyers tend to accept the light build but run into performance limits.

What people mention
  • PerformanceCriticisedOwners say the N100 handles browsing and documents but bogs down with many tabs or heavier apps.
  • BuildMixedThe chassis is light and thin, but reviewers describe it as plasticky despite the ruggedness claim.
  • DisplayCriticisedThe 60Hz panel is called dim and unremarkable, fine for text but weak for media.
  • ValuePraisedBuyers see it as a lot of laptop for a very low price.

Lenovo ThinkBook 14 G4

  • 4.3 / 581 ratings

Owners rate it 4.3 out of 5 across 81 ratings and generally see it as a lot of laptop for the money. Praise centers on speed for office work, the keyboard and the port selection; complaints focus on the small SSD and average battery life.

What people mention
  • PerformancePraisedOwners say the Core i7-13620H keeps up with many browser tabs and Office apps without stutter.
  • StorageCriticisedThe 256 GB SSD is called out as too small, with buyers planning an upgrade soon after purchase.
  • BatteryCriticisedReviewers report battery life that falls short of a full workday away from an outlet.
  • PortsPraised
Reviews
  • The Lenovo IdeaPad Slim 3i laptop is now 50% off at Best Buy - and we recommend it - ZDNET
  • The best everyday laptop I recommend to most folks is $449 at Costco - ZDNET

Questions and answers

Which is better for schoolwork and everyday browsing?
The IdeaPad Slim 3i is enough for notes, email and streaming, and its taller screen helps with documents. The ThinkBook is faster but overkill for light tasks.
Which handles heavy software better?
The ThinkBook. Its Core i7-13620H has 10 cores against the IdeaPad's low-power N100, so spreadsheets, code and multitasking run far smoother.
Which has the better screen?
The IdeaPad. It is larger at 15.6 inches and taller at 16:10, which shows more of a page. The ThinkBook's 14-inch 16:9 panel is smaller.
Which lasts longer?
Battery ratings are close, around 8 hours each. The ThinkBook's stronger chip and higher owner rating suggest it holds up better over years of heavy use.
Is the ThinkBook worth stepping up to?
Yes if you do demanding work or want business security features. Skip it if you only need a light laptop for basic tasks and prefer a bigger screen.
Do either have USB-C?
The IdeaPad lists a full-function USB-C port. The ThinkBook's listed ports are USB-A and HDMI only, so check the exact configuration before buying.

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More comparisons

  • Lenovo IdeaPad Slim 3 15.6" N150 Laptop 15ITN9 vs Lenovo ThinkBook 14 G4 Laptop

Buying guides that pick them

  • Best Lenovo laptops for everyday use
Yes
—
Drive TypeSolid State Drive—
Refresh Rate60Hz—
Available PortsUSB-A, USB-C, HDMI, 3.5 mm Jack—
Drive Capacity256 GB drive—
Installed Memory8 GB RAM—
Processor Speed1.8 GHz CPU—
Weight3.5 lb—
Number Of CoresOcta Core—
With No-Glare ScreenYes—
Biometric SecurityFingerprint Scan—
EPEAT-RegisteredYes—
Battery Life8 hours battery life—
Screen TypeIPS—
Brightness250 nits—
CPU Base Clock Frequency1.3 gigahertz—
Storage TypeSSD—
Total Storage Capacity1024 gigabytes—
System Memory (RAM)16 gigabytes—
The USB-A, USB-C and HDMI selection is praised for avoiding dongles.