Lenovo IdeaPad S145-15IWL (81MV) vs. Lenovo ThinkPad L13 Gen 4 (21FG)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of Lenovo IdeaPad S145-15IWL (81MV) and Lenovo ThinkPad L13 Gen 4 (21FG). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.

Lenovo IdeaPad S145-15IWL (81MV) Review

Advantages and disadvantages of Lenovo IdeaPad S145-15IWL (81MV) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

lightweight design

decent processor performance

solid build quality

adequate connectivity options

average battery life

dim display

no backlit keyboard

limited graphics capabilities

Lenovo ThinkPad L13 Gen 4 (21FG) Review

Advantages and disadvantages of Lenovo ThinkPad L13 Gen 4 (21FG) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard feel

good battery life

reliable performance

compact and portable

average display brightness

limited graphics power

no thunderbolt support

higher price point

Laptop Comparison and Tests

Difference between Lenovo IdeaPad S145-15IWL (81MV) and Lenovo ThinkPad L13 Gen 4 (21FG)
72 % - Design
64 % - Display
65 % - Performance
65 % - Connectivity
65 % - Battery
82 % - Design
72 % - Display
75 % - Performance
85 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Lenovo IdeaPad S145-15IWL (81MV) vs. Lenovo ThinkPad L13 Gen 4 (21FG) Comparison Chart
DESIGN AND DIMENSIONS Lenovo IdeaPad S145-15IWL (81MV) Lenovo ThinkPad L13 Gen 4 (21FG)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 36.22 cm x 25.15 cm x 1.99 cm 30.5 cm x 21.8 cm x 1.723 cm
Weight 1.85 kg 1.26 kg
Case Material Polycarbonate ABS Aluminium (top), glass-fibre reinforced plastic (bottom)
Colour Platinum grey IMR Thunder black
DISPLAY Lenovo IdeaPad S145-15IWL (81MV) Lenovo ThinkPad L13 Gen 4 (21FG)
Screen Size (Type) 15.6" - TN 13.3" - IPS
LCD Backlight Technology LED backlight -
Screen Resolution 1366 x 768 (HD) 1920 x 1200 (WUXGA)
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:10
Image Brightness 220 cd/m² 300 cd/m²
Colour Gamut - 45% NTSC
Features Anti-glare Anti-glare, 170° viewing angle
PROCESSOR Lenovo IdeaPad S145-15IWL (81MV) Lenovo ThinkPad L13 Gen 4 (21FG)
CPU Intel Core i3 (8th Gen) 8145U / 2.1 GHz Intel Core i5 (13th Gen) 1335U / 1.3 GHz
Max Turbo Speed 3.9 GHz 4.6 GHz
Number of Cores Dual-Core 10-core
Cache 4 MB 12 MB
64-bit Computing Yes -
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo IdeaPad S145-15IWL (81MV) Lenovo ThinkPad L13 Gen 4 (21FG)
RAM 4 GB (provided memory is soldered) 8 GB (provided memory is soldered)
Max RAM Supported 12 GB -
RAM Type DDR4 SDRAM LPDDR5 SDRAM
Speed 2400 MHz 4800 MHz
Rated Speed 2400 MHz 4800 MHz
Form Factor SO-DIMM 260-pin -
Slots Qty 1 -
Empty Slots 1 -
STORAGE Lenovo IdeaPad S145-15IWL (81MV) Lenovo ThinkPad L13 Gen 4 (21FG)
Main Storage Size (HDD/SSD) 128 GB SSD M.2 2280 SATA 6Gb/s 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe)
AUDIO & VIDEO Lenovo IdeaPad S145-15IWL (81MV) Lenovo ThinkPad L13 Gen 4 (21FG)
Graphics Processor (GPU) Intel UHD Graphics Intel Iris Xe Graphics
Max Monitors Supported - 3 external monitor(s)
Video System Features - Functions as Intel UHD graphics (for single-channel memory)
Camera Yes Yes - 1080p
Resolution 0.3 Megapixel -
Camera Features - Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera
Sound Stereo speakers, microphone Stereo speakers, dual array microphone
Codec - Realtek ALC3287
Compliant Standards High Definition Audio, Dolby Audio High Definition Audio, Dolby Audio Premium
Audio Features - Input: Dolby Voice
COMMUNICATIONS Lenovo IdeaPad S145-15IWL (81MV) Lenovo ThinkPad L13 Gen 4 (21FG)
Wireless 802.11a/b/g/n/ac, Bluetooth 4.2 802.11a/b/g/n/ac/ax, Bluetooth 5.1
Wireless Controller M.2 Card Intel Wi-Fi 6 AX 201
Features Single stream (1x1) Dual stream (2x2)
WWAN
Generation - 4G upgradable
BATTERY Lenovo IdeaPad S145-15IWL (81MV) Lenovo ThinkPad L13 Gen 4 (21FG)
Technology Lithium Ion Lithium polymer
Battery Capacity (Size) 30 Wh 46 Wh
Battery Life Up to 5.5 hours -
AC ADAPTER Lenovo IdeaPad S145-15IWL (81MV) Lenovo ThinkPad L13 Gen 4 (21FG)
Input AC 120/230 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 45 Watt 65 Watt
INPUT Lenovo IdeaPad S145-15IWL (81MV) Lenovo ThinkPad L13 Gen 4 (21FG)
Type Keyboard, touchpad Keyboard, TrackPoint, UltraNav
Numeric Keypad Yes -
Keyboard Backlight - Yes
Features Multi-touch touchpad, buttonless touchpad Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls
CONNECTIONS & EXPANSIONS Lenovo IdeaPad S145-15IWL (81MV) Lenovo ThinkPad L13 Gen 4 (21FG)
Interfaces USB 2.0
2 x USB 3.1 Gen 1
HDMI
Headphone/microphone combo jack
USB 3.2 Gen 1
USB 3.2 Gen 1 (Always On)
USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
HDMI (4K support)
Headphone/microphone combo jack
Memory Card Reader 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) -
SOFTWARE Lenovo IdeaPad S145-15IWL (81MV) Lenovo ThinkPad L13 Gen 4 (21FG)
Operating System (OS) Windows 10 Home in S mode - English Windows 11 Pro - English
Software Included Microsoft Office (30 days trial) -
MISCELLANEOUS Lenovo IdeaPad S145-15IWL (81MV) Lenovo ThinkPad L13 Gen 4 (21FG)
Included Accessories Power adapter USB-C power adapter
Security Firmware Trusted Platform Module (TPM 2.0) Security Chip Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader
Security Slot Type - Kensington nano security slot
Theft/Intrusion Protection - Security lock slot (cable lock sold separately)
Features Administrator password, hard drive password, power-on password Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3 RoHS, Energy-Related Products (ErP) Lot 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0
Max Operating Temperature - 35 °C
Min Operating Temperature - 5 °C
Humidity Range Operating - 8 - 95%
Manufacturer Warranty Limited warranty - 1 year - pick-up and return Base warranty - 1 year - pick-up and return
Extended warranty - 1 year - on-site - response time: next business day
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