Lenovo IdeaPad S145-14IWL (Lenovo IdeaPad S145) vs. Lenovo ThinkPad X1 Extreme Gen 3 (20TL)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo IdeaPad S145-14IWL (Lenovo IdeaPad S145) and Lenovo ThinkPad X1 Extreme Gen 3 (20TL). Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.

Lenovo IdeaPad S145-14IWL (Lenovo IdeaPad S145) Review

Advantages and disadvantages of Lenovo IdeaPad S145-14IWL (Lenovo IdeaPad S145) 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 display quality

limited graphics capability

modest battery life

no backlit keyboard

Lenovo ThinkPad X1 Extreme Gen 3 (20TL) Review

Advantages and disadvantages of Lenovo ThinkPad X1 Extreme Gen 3 (20TL) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

powerful processor performance

excellent keyboard feel

high-resolution display

good thermal management

heavier than competitors

short battery life

expensive price point

limited port variety

Laptop Comparison and Tests

Difference between Lenovo IdeaPad S145-14IWL (Lenovo IdeaPad S145) and Lenovo ThinkPad X1 Extreme Gen 3 (20TL)
74 % - Design
63 % - Display
65 % - Performance
71 % - Connectivity
65 % - Battery
83 % - Design
85 % - Display
86 % - Performance
85 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Lenovo IdeaPad S145-14IWL (Lenovo IdeaPad S145) vs. Lenovo ThinkPad X1 Extreme Gen 3 (20TL) Comparison Chart
DESIGN AND DIMENSIONS Lenovo IdeaPad S145-14IWL (Lenovo IdeaPad S145) Lenovo ThinkPad X1 Extreme Gen 3 (20TL)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 32.71 cm x 24.1 cm x 1.99 cm 36.18 cm x 24.57 cm x 1.84 cm
Weight 1.6 kg 1.7 kg
Case Material Polycarbonate ABS Carbon fibre hybrid (top), aluminium alloy (bottom)
Colour Granite black IMR Black weave
DISPLAY Lenovo IdeaPad S145-14IWL (Lenovo IdeaPad S145) Lenovo ThinkPad X1 Extreme Gen 3 (20TL)
Screen Size (Type) 14" - TN 15.6" - IPS
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1366 x 768 (HD) 3840 x 2160 (Ultra HD 4K)
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 220 cd/m² 600 cd/m²
Colour Gamut - 100% Adobe RGB
Features Anti-glare Anti-glare, HDR (high dynamic range), 178° viewing angle, Dolby Vision
PROCESSOR Lenovo IdeaPad S145-14IWL (Lenovo IdeaPad S145) Lenovo ThinkPad X1 Extreme Gen 3 (20TL)
CPU Intel Core i3 (8th Gen) 8145U / 2.1 GHz Intel Core i7 (10th Gen) 10850H / 2.7 GHz
Max Turbo Speed 3.9 GHz 5.1 GHz
Number of Cores Dual-Core 6-core
Cache 4 MB 12 MB
64-bit Computing Yes -
Chipset - Mobile Intel WM490
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo IdeaPad S145-14IWL (Lenovo IdeaPad S145) Lenovo ThinkPad X1 Extreme Gen 3 (20TL)
RAM 4 GB (1 x 4 GB) 32 GB (2 x 16 GB)
Max RAM Supported 8 GB 64 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 2400 MHz 2933 MHz
Rated Speed 2400 MHz 3200 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 1 2
Empty Slots 0 0
STORAGE Lenovo IdeaPad S145-14IWL (Lenovo IdeaPad S145) Lenovo ThinkPad X1 Extreme Gen 3 (20TL)
Main Storage Size (HDD/SSD) 128 GB SSD M.2 2280 SATA 6Gb/s 256 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption - Western Digital
AUDIO & VIDEO Lenovo IdeaPad S145-14IWL (Lenovo IdeaPad S145) Lenovo ThinkPad X1 Extreme Gen 3 (20TL)
Graphics Processor (GPU) Intel UHD Graphics Intel UHD Graphics
Max Monitors Supported - 3 external monitor(s)
Camera Yes Yes - 720p
Resolution 0.3 Megapixel -
Camera Features - IR camera, Windows Hello, fixed focus, ThinkShutter camera privacy
Sound Stereo speakers, microphone Stereo speakers, dual array microphone
Codec - Realtek ALC3286
Compliant Standards High Definition Audio, Dolby Audio High Definition Audio, Dolby Atmos
Audio Features - 3-magnet speakers
COMMUNICATIONS Lenovo IdeaPad S145-14IWL (Lenovo IdeaPad S145) Lenovo ThinkPad X1 Extreme Gen 3 (20TL)
Wireless 802.11a/b/g/n/ac, Bluetooth 4.2 802.11a/b/g/n/ac/ax, Bluetooth 5.2
Wireless Controller M.2 Card Intel Wi-Fi 6 AX 201
Features Single stream (1x1) -
BATTERY Lenovo IdeaPad S145-14IWL (Lenovo IdeaPad S145) Lenovo ThinkPad X1 Extreme Gen 3 (20TL)
Technology Lithium Ion 4-cell lithium polymer
Battery Capacity (Size) 35 Wh 80 Wh
Battery Life Up to 6 hours Up to 15.6 hours
AC ADAPTER Lenovo IdeaPad S145-14IWL (Lenovo IdeaPad S145) Lenovo ThinkPad X1 Extreme Gen 3 (20TL)
Input AC 120/230 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 45 Watt 135 Watt, 20 V
INPUT Lenovo IdeaPad S145-14IWL (Lenovo IdeaPad S145) Lenovo ThinkPad X1 Extreme Gen 3 (20TL)
Type Keyboard, touchpad Keyboard, TrackPoint, UltraNav
Keyboard Backlight - Yes
Features Multi-touch touchpad, buttonless touchpad Spill-resistant, multi-touch touchpad, buttonless touchpad, Fn keys with Unified Communications controls
CONNECTIONS & EXPANSIONS Lenovo IdeaPad S145-14IWL (Lenovo IdeaPad S145) Lenovo ThinkPad X1 Extreme Gen 3 (20TL)
Slots - 2 x M.2 Card (1 free)
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)
2 x USB-C 3.2 Gen 2 (supports Thunderbolt 3, DisplayPort 1.2 Alt Mode) (Power Delivery)
HDMI
Headphone/microphone combo jack
Memory Card Reader 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) Yes (SD Card, SDHC Card, SDXC Card, SDXC UHS-II Card)
SOFTWARE Lenovo IdeaPad S145-14IWL (Lenovo IdeaPad S145) Lenovo ThinkPad X1 Extreme Gen 3 (20TL)
Operating System (OS) Windows 10 Home in S mode - English Windows 10 Home 64-bit Edition
Software Included Microsoft Office (30 days trial) -
MISCELLANEOUS Lenovo IdeaPad S145-14IWL (Lenovo IdeaPad S145) Lenovo ThinkPad X1 Extreme Gen 3 (20TL)
Included Accessories Power adapter Power adapter
Security Firmware Trusted Platform Module (TPM 2.0) Security Chip Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader
Security Slot Type - Kensington security slot
Theft/Intrusion Protection - Security lock slot (cable lock sold separately)
Features Administrator password, hard drive password, power-on password Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested, self-healing BIOS
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3 RoHS, TCG Certified
SAR Value - 2.512 W/kg (body), 0.967 W/kg (limb)
ENERGY STAR Certified Yes Yes
EPEAT Compliant - EPEAT Gold
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 -
Model Number 14IWL 81MU -
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