Lenovo ThinkPad X13 Gen 1 (20UF) vs. Lenovo IdeaPad S540-13API (81XC)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo ThinkPad X13 Gen 1 (20UF) and Lenovo IdeaPad S540-13API (81XC). 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 ThinkPad X13 Gen 1 (20UF) Review

Advantages and disadvantages of Lenovo ThinkPad X13 Gen 1 (20UF) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard feel

good battery life

compact and portable

reliable performance

dim display brightness

limited storage capacity

no dedicated GPU

higher price point

Lenovo IdeaPad S540-13API (81XC) Review

Advantages and disadvantages of Lenovo IdeaPad S540-13API (81XC) based on its technical characteristics, features, user experience, expert reviews and price level.

slim, lightweight design

sharp, vibrant display

fast processing speed

good battery life

quiet operation

limited port selection

no optical drive

average graphics performance

higher price point

Laptop Comparison and Tests

Difference between Lenovo ThinkPad X13 Gen 1 (20UF) and Lenovo IdeaPad S540-13API (81XC)
83 % - Design
72 % - Display
75 % - Performance
85 % - Connectivity
75 % - Battery
81 % - Design
85 % - Display
72 % - Performance
78 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad X13 Gen 1 (20UF) vs. Lenovo IdeaPad S540-13API (81XC) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad X13 Gen 1 (20UF) Lenovo IdeaPad S540-13API (81XC)
Product Type Notebook Notebook
Dimensions (WxDxH) 31.19 cm x 21.72 cm x 1.69 cm 29.69 cm x 20.86 cm x 1.595 cm
Weight 1.29 kg 1.25 kg
Case Material Glass-fibre, magnesium-aluminum alloy, polyphenylene sulfide Aluminum, glass
Colour Black Light silver
DISPLAY Lenovo ThinkPad X13 Gen 1 (20UF) Lenovo IdeaPad S540-13API (81XC)
Screen Size (Type) 13.3" - IPS 13.3" - IPS
Touchscreen Yes (10-point multi-touch) -
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1920 x 1080 (Full HD) 2560 x 1600 (WQHD)
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 300 cd/m² 300 cd/m²
Colour Gamut 72% NTSC 100% sRGB, 72% NTSC
Features Anti-glare, 170° viewing angle, 72% NTSC colour gamut Glossy, 72% NTSC colour gamut
PROCESSOR Lenovo ThinkPad X13 Gen 1 (20UF) Lenovo IdeaPad S540-13API (81XC)
CPU AMD Ryzen 5 Pro 4650U / 2.1 GHz AMD Ryzen 7 3750H / 2.3 GHz
Max Turbo Speed 4 GHz 4 GHz
Number of Cores 6-core Quad-Core
Cache L3 - 8 MB L3 - 4 MB
64-bit Computing - Yes
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo ThinkPad X13 Gen 1 (20UF) Lenovo IdeaPad S540-13API (81XC)
RAM 8 GB (provided memory is soldered) 8 GB (provided memory is soldered)
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 3200 MHz 2400 MHz
Rated Speed 3200 MHz 2400 MHz
STORAGE Lenovo ThinkPad X13 Gen 1 (20UF) Lenovo IdeaPad S540-13API (81XC)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) 512 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkPad X13 Gen 1 (20UF) Lenovo IdeaPad S540-13API (81XC)
Graphics Processor (GPU) AMD Radeon Graphics AMD Radeon RX Vega 10
Memory Allocation Technology Shared Video Memory (UMA) -
Max Monitors Supported 3 external monitor(s) -
Camera Yes - 720p Yes - 720p
Resolution - 1 Megapixel
Camera Features IR camera, Windows Hello, ThinkShutter camera privacy IR camera, fixed focus, ToF sensor
Sound Stereo speakers, dual array microphone Stereo speakers, dual array microphone
Codec Realtek ALC3287 -
Compliant Standards High Definition Audio, Dolby Audio High Definition Audio, Dolby Audio
COMMUNICATIONS Lenovo ThinkPad X13 Gen 1 (20UF) Lenovo IdeaPad S540-13API (81XC)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.2 802.11a/b/g/n/ac, Bluetooth 5.0
Wireless Controller Intel Wi-Fi 6 AX 200 - M.2 Card M.2 Card
Ethernet Controller Realtek RTL8111EPV -
Compliant Standards DASH -
Features Gigabit Ethernet via optional Ethernet (RJ-45) adapter, dual stream (2x2) Dual stream (2x2)
WWAN
Generation WWAN upgradable -
BATTERY Lenovo ThinkPad X13 Gen 1 (20UF) Lenovo IdeaPad S540-13API (81XC)
Technology Lithium polymer Lithium Ion
Battery Capacity (Size) 48 Wh 56 Wh
Battery Life Up to 13.9 hours Up to 14.7 hours
AC ADAPTER Lenovo ThinkPad X13 Gen 1 (20UF) Lenovo IdeaPad S540-13API (81XC)
Input AC 100-240 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 65 Watt 65 Watt
INPUT Lenovo ThinkPad X13 Gen 1 (20UF) Lenovo IdeaPad S540-13API (81XC)
Type Keyboard, TrackPoint, UltraNav Keyboard, touchpad
Keyboard Backlight Yes Yes
Features Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls Multi-touch touchpad, buttonless touchpad
CONNECTIONS & EXPANSIONS Lenovo ThinkPad X13 Gen 1 (20UF) Lenovo IdeaPad S540-13API (81XC)
Interfaces USB 3.2 Gen 1 (Always On)
USB 3.2 Gen 1
2 x USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery)
HDMI
Headphone/microphone combo jack
Dock
Headphone/microphone combo jack
USB 3.1 Gen 1 (Always On)
2 x USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery)
Headphone/microphone combo jack
Memory Card Reader Yes (microSD) -
SOFTWARE Lenovo ThinkPad X13 Gen 1 (20UF) Lenovo IdeaPad S540-13API (81XC)
Operating System (OS) Windows 10 Pro 64-bit Edition - English Windows 10 Home 64-bit Edition - English
Software Included - Microsoft Office (30 days trial)
MISCELLANEOUS Lenovo ThinkPad X13 Gen 1 (20UF) Lenovo IdeaPad S540-13API (81XC)
Dockable Yes -
Included Accessories USB-C power adapter Power adapter
Security Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader Firmware Trusted Platform Module (TPM 2.0) Security Chip
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, RapidCharge, MIL-STD-810G tested, self-healing BIOS Administrator password, hard drive password, power-on password, RapidCharge
Compliant Standards RoHS, TCG Certified RoHS, Energy-Related Products (ErP) Lot 3
SAR Value - 0.599 W/kg (body), 0.599 W/kg (limb)
ENERGY STAR Certified Yes -
EPEAT Compliant EPEAT Gold -
TCO Certified TCO Certified Notebooks 8 -
Specific Absorption Rate (SAR) - 0.599 W/kg (body)
0.599 W/kg (limb)
Max Operating Temperature 35 °C -
Min Operating Temperature 5 °C -
Humidity Range Operating 8 - 95% -
Manufacturer Warranty Limited warranty - 3 years - pick-up and return
Limited warranty - 1 year - pick-up and return
Limited warranty - 1 year - pick-up and return
Other Comparisons with Lenovo ThinkPad X13 Gen 1 (20UF)
Other Comparisons with Lenovo IdeaPad S540-13API (81XC)
Other Popular Laptop Comparisons
Other projects: