Lenovo ThinkBook 14-IIL (20SL) vs. Lenovo IdeaPad S145-15IGM (81MX)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of Lenovo ThinkBook 14-IIL (20SL) and Lenovo IdeaPad S145-15IGM (81MX). 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 ThinkBook 14-IIL (20SL) Review

Advantages and disadvantages of Lenovo ThinkBook 14-IIL (20SL) based on its technical characteristics, features, user experience, expert reviews and price level.

solid build quality

responsive keyboard

affordable price

adequate performance

decent battery life

average display quality

limited graphics power

no thunderbolt support

modest storage capacity

Lenovo IdeaPad S145-15IGM (81MX) Review

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

affordable price

lightweight design

solid build quality

decent processor performance

sufficient connectivity options

average display quality

limited storage capacity

no backlit keyboard

mediocre battery life

Laptop Comparison and Tests

Difference between Lenovo ThinkBook 14-IIL (20SL) and Lenovo IdeaPad S145-15IGM (81MX)
86 % - Design
72 % - Display
75 % - Performance
78 % - Connectivity
75 % - Battery
72 % - Design
63 % - Display
45 % - Performance
63 % - Connectivity
65 % - Battery

Laptop Specifications Comparison

Lenovo ThinkBook 14-IIL (20SL) vs. Lenovo IdeaPad S145-15IGM (81MX) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkBook 14-IIL (20SL) Lenovo IdeaPad S145-15IGM (81MX)
Product Type Notebook Notebook
Dimensions (WxDxH) 32.6 cm x 23 cm x 1.79 cm 36.22 cm x 25.15 cm x 1.99 cm
Weight 1.5 kg 1.85 kg
Case Material Aluminum Polycarbonate ABS
Colour Mineral grey Granite black IMR
DISPLAY Lenovo ThinkBook 14-IIL (20SL) Lenovo IdeaPad S145-15IGM (81MX)
Screen Size (Type) 14" - IPS 15.6" - TN
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1920 x 1080 (Full HD) 1366 x 768 (HD)
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 250 cd/m² 220 cd/m²
Features Anti-glare Anti-glare
PROCESSOR Lenovo ThinkBook 14-IIL (20SL) Lenovo IdeaPad S145-15IGM (81MX)
CPU Intel Core i5 (10th Gen) 1035G4 / 1.1 GHz Intel Pentium Silver N5000 / 1.1 GHz
Max Turbo Speed 3.7 GHz 2.7 GHz
Number of Cores Quad-Core Quad-Core
Cache 6 MB 4 MB
64-bit Computing Yes Yes
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo ThinkBook 14-IIL (20SL) Lenovo IdeaPad S145-15IGM (81MX)
RAM 8 GB (1 x 8 GB) 4 GB (1 x 4 GB)
Max RAM Supported 16 GB 8 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 2666 MHz 2400 MHz
Rated Speed 2666 MHz 2400 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 1 1
Empty Slots 0 0
STORAGE Lenovo ThinkBook 14-IIL (20SL) Lenovo IdeaPad S145-15IGM (81MX)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) 1 TB HDD SATA 6Gb/s / 5400 rpm
AUDIO & VIDEO Lenovo ThinkBook 14-IIL (20SL) Lenovo IdeaPad S145-15IGM (81MX)
Graphics Processor (GPU) Intel Iris Plus Graphics Intel UHD Graphics 605
Camera Yes - 720p Yes
Resolution - 0.3 Megapixel
Camera Features ThinkShutter camera privacy -
Sound Stereo speakers, dual array microphone Stereo speakers, microphone
Codec Realtek ALC3287 -
Compliant Standards High Definition Audio, Dolby Audio High Definition Audio, Dolby Audio
COMMUNICATIONS Lenovo ThinkBook 14-IIL (20SL) Lenovo IdeaPad S145-15IGM (81MX)
Wireless Bluetooth 5.0, 802.11a/b/g/n/ac/ax 802.11a/b/g/n/ac, Bluetooth 4.2
Wireless Controller M.2 Card M.2 Card
Network Interface Gigabit Ethernet -
Features - Single stream (1x1)
BATTERY Lenovo ThinkBook 14-IIL (20SL) Lenovo IdeaPad S145-15IGM (81MX)
Technology Lithium Ion Lithium Ion
Battery Capacity (Size) 45 Wh 30 Wh
Battery Life Up to 9 hours Up to 5.5 hours
AC ADAPTER Lenovo ThinkBook 14-IIL (20SL) Lenovo IdeaPad S145-15IGM (81MX)
Input AC 120/230 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 65 Watt 45 Watt
INPUT Lenovo ThinkBook 14-IIL (20SL) Lenovo IdeaPad S145-15IGM (81MX)
Type Keyboard, touchpad Keyboard, touchpad
Numeric Keypad - Yes
Keyboard Backlight Yes -
Features Spill-resistant, multi-touch touchpad, buttonless touchpad Multi-touch touchpad, buttonless touchpad
CONNECTIONS & EXPANSIONS Lenovo ThinkBook 14-IIL (20SL) Lenovo IdeaPad S145-15IGM (81MX)
Interfaces USB 2.0 (hidden)
USB 3.1 Gen 1 (Always On)
USB 3.1 Gen 1
USB-C 3.1 Gen 1
USB-C 3.1 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery)
HDMI
Headphone/microphone combo jack
USB 2.0
2 x USB 3.1 Gen 1
HDMI
Headphone/microphone combo jack
Memory Card Reader 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card)
SOFTWARE Lenovo ThinkBook 14-IIL (20SL) Lenovo IdeaPad S145-15IGM (81MX)
Operating System (OS) Windows 10 Pro 64-bit Edition - Spanish Windows 10 Home in S mode - English
Software Included Microsoft Office (30 days trial) Microsoft Office (30 days trial)
MISCELLANEOUS Lenovo ThinkBook 14-IIL (20SL) Lenovo IdeaPad S145-15IGM (81MX)
Included Accessories Power adapter Power adapter
Security Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader Firmware Trusted Platform Module (TPM 2.0) Security Chip
Features Administrator password, hard drive password, power-on password, RapidCharge Administrator password, hard drive password, power-on password
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3 RoHS, Energy-Related Products (ErP) Lot 3
Manufacturer Warranty Limited warranty - 1 year - pick-up and return Limited warranty - 1 year - pick-up and return
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