In depth comparison and review of Lenovo ThinkPad E14 (20RA) and Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540). 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.
Advantages and disadvantages of Lenovo ThinkPad E14 (20RA) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard comfort
good security features
solid processor performance
reasonable price point
average battery life
modest display quality
limited graphics capability
no thunderbolt support
Advantages and disadvantages of Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) based on its technical characteristics, features, user experience, expert reviews and price level.
slim aluminum design
full hd display
fast ssd storage
good battery life
quiet cooling system
average color accuracy
no thunderbolt support
limited upgrade options
mediocre speaker quality
DESIGN AND DIMENSIONS | Lenovo ThinkPad E14 (20RA) | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) |
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Product Type | Notebook | Notebook |
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Dimensions (WxDxH) | 32.5 cm x 23.2 cm x 1.79 cm | 35.8 cm x 24.5 cm x 1.715 cm |
Weight | 1.73 kg | 1.8 kg |
Case Material | Aluminum | Aluminum, polycarbonate ABS |
Colour | Black | Abyss blue |
DISPLAY | Lenovo ThinkPad E14 (20RA) | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) |
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Screen Size (Type) | 14" - IPS | 15.6" - IPS |
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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 | 250 cd/m² | 250 cd/m² |
Colour Gamut | - | 45% |
Features | Anti-glare | Anti-glare |
PROCESSOR | Lenovo ThinkPad E14 (20RA) | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) |
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CPU | Intel Core i5 (10th Gen) 10210U / 1.6 GHz | Intel Core i3 (8th Gen) 8145U / 2.1 GHz |
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Max Turbo Speed | 4.2 GHz | 3.9 GHz |
Number of Cores | Quad-Core | Dual-Core |
Cache | 6 MB | 4 MB |
64-bit Computing | Yes | Yes |
Features | Integrated memory controller | Integrated memory controller |
MEMORY | Lenovo ThinkPad E14 (20RA) | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) |
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RAM | 8 GB (1 x 8 GB) | 8 GB (1 x 4 GB + 4 GB (soldered)) |
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Max RAM Supported | 16 GB | 12 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 ThinkPad E14 (20RA) | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) |
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Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) | 256 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) |
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AUDIO & VIDEO | Lenovo ThinkPad E14 (20RA) | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) |
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Graphics Processor (GPU) | Intel UHD Graphics | Intel UHD Graphics 620 |
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Camera | Yes - 720p | Yes - 720p |
Resolution | - | 1 Megapixel |
Camera Features | ThinkShutter camera privacy | Privacy shutter |
Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
Codec | Conexant CX11880 | - |
Compliant Standards | High Definition Audio, Dolby Advanced Audio | High Definition Audio, Dolby Audio |
COMMUNICATIONS | Lenovo ThinkPad E14 (20RA) | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) |
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Wireless | Bluetooth 5.0, 802.11a/b/g/n/ac/ax | 802.11a/b/g/n/ac, Bluetooth 4.2 |
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Wireless Controller | Intel Wi-Fi 6 AX 201 - M.2 Card | M.2 Card |
Network Interface | Gigabit Ethernet | - |
Ethernet Controller | Realtek R8111GUS | - |
Features | - | Single stream (1x1) |
BATTERY | Lenovo ThinkPad E14 (20RA) | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) |
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Technology | Lithium Ion | Lithium Ion |
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Battery Capacity (Size) | 45 Wh | 70 Wh |
Battery Life | Up to 12.8 hours | Up to 15 hours |
AC ADAPTER | Lenovo ThinkPad E14 (20RA) | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) |
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Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
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Output | 65 Watt | 65 Watt |
INPUT | Lenovo ThinkPad E14 (20RA) | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) |
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Type | Keyboard, touchpad | Keyboard, touchpad |
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Numeric Keypad | - | Yes |
Keyboard Backlight | Yes | Yes |
Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Multi-touch touchpad, buttonless touchpad |
CONNECTIONS & EXPANSIONS | Lenovo ThinkPad E14 (20RA) | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) |
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Interfaces | USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB 2.0 USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery) Headphone/microphone combo jack HDMI LAN |
USB 3.1 Gen 1 USB-C 3.1 Gen 1 HDMI Headphone/microphone combo jack USB 3.1 Gen 1 (Always On) |
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Memory Card Reader | - | 4 in 1 (MultiMediaCard, microSD, microSDHC, microSDXC) |
SOFTWARE | Lenovo ThinkPad E14 (20RA) | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) |
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Operating System (OS) | Windows 10 Pro 64-bit Edition - English | Windows 10 Home 64-bit Edition - English |
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Software Included | - | Microsoft Office (30 days trial) |
MISCELLANEOUS | Lenovo ThinkPad E14 (20RA) | Lenovo IdeaPad S540-15IWL (Lenovo IdeaPad S540) |
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Included Accessories | USB-C power adapter | Power adapter |
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Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Firmware 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, RapidCharge, MIL-STD-810G tested | Administrator password, hard drive password, power-on password, RapidCharge |
Compliant Standards | RoHS | RoHS, Energy-Related Products (ErP) Lot 3 |
SAR Value | 0.469 W/kg (body), 0.469 W/kg (limb) | - |
ENERGY STAR Certified | Yes | Yes |
EPEAT Compliant | EPEAT Silver | - |
Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | Limited warranty - 1 year - pick-up and return |
Model Number | - | 15IWL 81NE |