In depth comparison and review of Lenovo IdeaPad S540-14IML (Lenovo IdeaPad S540) and LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z90N). 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 IdeaPad S540-14IML (Lenovo IdeaPad S540) based on its technical characteristics, features, user experience, expert reviews and price level.
slim aluminum design
full hd display
fast charging support
quiet cooling system
good value for money
average battery life
no dedicated GPU
limited port selection
modest base storage
Advantages and disadvantages of LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z90N) based on its technical characteristics, features, user experience, expert reviews and price level.
exceptionally lightweight
long battery life
crisp full hd display
solid build quality
fast ssd storage
average graphics performance
limited port selection
higher price point
no dedicated gpu
| DESIGN AND DIMENSIONS | Lenovo IdeaPad S540-14IML (Lenovo IdeaPad S540) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z90N) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 32.3 cm x 22.7 cm x 1.59 cm | 35.76 cm x 22.53 cm x 1.68 cm |
| Weight | 1.63 kg | 1.12 kg |
| Case Material | Aluminum, glass | Magnesium alloy |
| Colour | Mineral grey | Abyss blue | Copper | Dark silver |
| DISPLAY | Lenovo IdeaPad S540-14IML (Lenovo IdeaPad S540) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z90N) |
|---|
| Screen Size (Type) | 14" | 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 | - |
| Colour Gamut | 72% NTSC | - |
| Features | Glossy, Wide Viewing Angle | Reader Mode |
| PROCESSOR | Lenovo IdeaPad S540-14IML (Lenovo IdeaPad S540) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z90N) |
|---|
| CPU | Intel Core i5 (10th Gen) 10210U / 1.6 GHz | Intel Core i5 (10th Gen) 1035G7 / 1.2 GHz |
|---|---|---|
| Max Turbo Speed | 4.2 GHz | 3.7 GHz |
| Number of Cores | Quad-Core | - |
| Cache | 6 MB | L3 - 6 MB |
| 64-bit Computing | - | Yes |
| Features | Integrated memory controller | Intel Turbo Boost Technology 2.0, Intel Smart Cache |
| MEMORY | Lenovo IdeaPad S540-14IML (Lenovo IdeaPad S540) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z90N) |
|---|
| RAM | 8 GB (1 x 4 GB + 4 GB (soldered)) | 8 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 12 GB | 24 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2666 MHz | 3200 MHz |
| Rated Speed | 2666 MHz | - |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 1 | 1 |
| Empty Slots | 0 | 1 |
| STORAGE | Lenovo IdeaPad S540-14IML (Lenovo IdeaPad S540) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z90N) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe - NVM Express (NVMe) | 512 GB SSD - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo IdeaPad S540-14IML (Lenovo IdeaPad S540) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z90N) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | Intel Iris Plus Graphics |
|---|---|---|
| Memory Allocation Technology | Shared Video Memory (UMA) | - |
| Max Monitors Supported | 1 external monitor(s) | - |
| Camera | Yes - 720p | Yes - HD |
| Resolution | 1 Megapixel | - |
| Camera Features | Privacy shutter, fixed focus | - |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, two microphones |
| Compliant Standards | High Definition Audio, Dolby Audio | DTS:X Ultra |
| COMMUNICATIONS | Lenovo IdeaPad S540-14IML (Lenovo IdeaPad S540) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z90N) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.2 | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | M.2 Card | Intel Wi-Fi 6 AX 201 |
| Network Interface | - | 10/100 Ethernet |
| Features | Dual stream (2x2) | - |
| BATTERY | Lenovo IdeaPad S540-14IML (Lenovo IdeaPad S540) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z90N) |
|---|
| Technology | Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 45 Wh | 80 Wh |
| Battery Life | Up to 10 hours | Up to 18.5 hours |
| AC ADAPTER | Lenovo IdeaPad S540-14IML (Lenovo IdeaPad S540) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z90N) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 48 Watt |
| INPUT | Lenovo IdeaPad S540-14IML (Lenovo IdeaPad S540) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z90N) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | Yes |
| Features | Multi-touch touchpad, buttonless touchpad | Scrolling, gesture function, precision touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo IdeaPad S540-14IML (Lenovo IdeaPad S540) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z90N) |
|---|
| Interfaces | USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB-C 3.1 Gen 2 HDMI Headphone/microphone combo jack |
HDMI USB-C 3.1 (supports Thunderbolt 3) (Power Delivery) 3 x USB 3.1 Headphone output |
|---|---|---|
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | Yes (microSD) |
| SOFTWARE | Lenovo IdeaPad S540-14IML (Lenovo IdeaPad S540) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z90N) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition - English | Windows 10 Home 64-bit Edition |
|---|---|---|
| Software Included | Microsoft Office (Trial) | Microsoft Office (30 days trial), LG Easy Guide, LG Control Center, LG Update Center, LG Reader Mode, LG On Screen Display, LG Troubleshooting |
| MISCELLANEOUS | Lenovo IdeaPad S540-14IML (Lenovo IdeaPad S540) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z90N) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Fingerprint reader |
| Security Slot Type | - | Kensington security slot |
| Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
| Features | Administrator password, power-on password, RapidCharge | Dust-resistant, shock-resistant, pressure-resistant, vibration-resistant |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3 | MIL-STD 810G |
| SAR Value | 1 W/kg (body), 1 W/kg (limb) | - |
| ENERGY STAR Certified | Yes | - |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | Limited warranty - parts and labour - 1 year |
| Model Number | 14IML 81NF | V.AR55A1 |