Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) vs. Lenovo ThinkPad T15 Gen 1 (20S7)

Laptop Comparison, Reviews and Tests
Lenovo ThinkPad T15 Gen 1 (20S7)

Detailed comparison and review of Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) and Lenovo ThinkPad T15 Gen 1 (20S7). 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.

Laptop Specifications Comparison

Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) vs. Lenovo ThinkPad T15 Gen 1 (20S7) Comparison Chart
DESIGN AND DIMENSIONS Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) Lenovo ThinkPad T15 Gen 1 (20S7)
Product Type Notebook Notebook
Dimensions (WxDxH) 35.8 cm x 24.5 cm x 1.69 cm 36.58 cm x 24.8 cm x 1.91 cm
Weight 1.95 kg 1.81 kg
Case Material Aluminum, glass Polycarbonate ABS, glass-fibre, magnesium alloy, polyphenylene sulfide, polyamide, Talc15
Colour Mineral grey Black
DISPLAY Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) Lenovo ThinkPad T15 Gen 1 (20S7)
Screen Size (Type) 15.6" - IPS 15.6" - IPS
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1080 (Full HD)
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 300 cd/m² 250 cd/m²
Colour Gamut 72% 45%
Features Glossy Anti-glare, 170° viewing angle
PROCESSOR Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) Lenovo ThinkPad T15 Gen 1 (20S7)
CPU Intel Core i3 (10th Gen) 10110U / 2.1 GHz Intel Core i5 (10th Gen) 10210U / 1.6 GHz
Max Turbo Speed 4.1 GHz 4.2 GHz
Number of Cores Dual-Core Quad-Core
Cache 4 MB 6 MB
64-bit Computing Yes Yes
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) Lenovo ThinkPad T15 Gen 1 (20S7)
RAM 4 GB (provided memory is soldered) 8 GB (provided memory is soldered)
Max RAM Supported 12 GB 40 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 2400 MHz 2666 MHz
Rated Speed 2400 MHz 3200 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 1 1
Empty Slots 1 1
STORAGE Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) Lenovo ThinkPad T15 Gen 1 (20S7)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) 128 GB SSD M.2 2242 PCIe 3.0 x4 - NVM Express (NVMe) - Samsung
AUDIO & VIDEO Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) Lenovo ThinkPad T15 Gen 1 (20S7)
Graphics Processor (GPU) Intel UHD Graphics Intel UHD Graphics
Camera Yes - 720p Yes - 720p
Resolution 1 Megapixel -
Camera Features Privacy shutter ThinkShutter camera privacy
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 IdeaPad S540-15IML (Lenovo IdeaPad S540) Lenovo ThinkPad T15 Gen 1 (20S7)
Wireless 802.11a/b/g/n/ac, Bluetooth 4.2 Bluetooth 5.0, 802.11a/b/g/n/ac/ax
Wireless Controller M.2 Card Intel Wi-Fi 6 AX 201
Network Interface - Gigabit Ethernet
Features Single stream (1x1) -
BATTERY Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) Lenovo ThinkPad T15 Gen 1 (20S7)
Technology Lithium Ion 3-cell lithium polymer
Battery Capacity (Size) 70 Wh 57 Wh
Battery Life Up to 15 hours Up to 15.26 hours
AC ADAPTER Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) Lenovo ThinkPad T15 Gen 1 (20S7)
Input AC 120/230 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 65 Watt 65 Watt
INPUT Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) Lenovo ThinkPad T15 Gen 1 (20S7)
Type Keyboard, touchpad Keyboard, TrackPoint, UltraNav
Numeric Keypad Yes Yes
Keyboard Backlight Yes Yes
Features Multi-touch touchpad, buttonless touchpad Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls
CONNECTIONS & EXPANSIONS Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) Lenovo ThinkPad T15 Gen 1 (20S7)
Interfaces USB 3.1 Gen 1
USB 3.1 Gen 1 (Always On)
USB-C 3.1 Gen 1
HDMI
Headphone/microphone combo jack
USB 3.2 Gen 1 (Always On)
USB 3.2 Gen 1
USB-C 3.2 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery)
USB-C 3.2 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery)
HDMI
Headphone/microphone combo jack
LAN
Dock
Memory Card Reader 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) Yes (microSD)
SOFTWARE Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) Lenovo ThinkPad T15 Gen 1 (20S7)
Operating System (OS) Windows 10 Home 64-bit Edition - English Windows 10 Pro 64-bit Edition
Software Included Microsoft Office (30 days trial) -
MISCELLANEOUS Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) Lenovo ThinkPad T15 Gen 1 (20S7)
Dockable - Yes
Included Accessories Power adapter USB-C power adapter
Security Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader Trusted Platform Module (TPM 2.0) Security Chip, smart card 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, RapidCharge Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3 RoHS
SAR Value 1.81 W/kg (body), 1.81 W/kg (limb) -
ENERGY STAR Certified Yes Yes
EPEAT Compliant - EPEAT Gold
TCO Certified - TCO Certified Notebooks 8
Manufacturer Warranty Limited warranty - 1 year - pick-up and return -
Model Number 15IML 81NG -
Other Comparisons with Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540)
Other Comparisons with Lenovo ThinkPad T15 Gen 1 (20S7)
Other Popular Laptop Comparisons
Other projects: