In depth comparison and review of Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) and LG gram Ultra-Lightweight LG gram Ultra (Lightweight 14Z90N). 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 S145-15AST (Lenovo IdeaPad S145) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
lightweight design
adequate connectivity options
solid build quality
simple user interface
mediocre battery life
average display quality
limited graphics performance
slower HDD storage
Advantages and disadvantages of LG gram Ultra-Lightweight LG gram Ultra (Lightweight 14Z90N) based on its technical characteristics, features, user experience, expert reviews and price level.
extremely lightweight design
long-lasting battery life
high-resolution display
solid state drive storage
impressive processing speed
limited graphics capabilities
fewer connectivity ports
higher price point
no dedicated GPU
| DESIGN AND DIMENSIONS | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 14Z90N) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.22 cm x 25.15 cm x 1.99 cm | 32.34 cm x 20.98 cm x 1.68 cm |
| Weight | 1.85 kg | 999 g |
| Case Material | Polycarbonate ABS | Magnesium alloy |
| Colour | Granite black IMR | Dark silver |
| DISPLAY | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 14Z90N) |
|---|
| Screen Size (Type) | 15.6" - TN | 14" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1366 x 768 (HD) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 220 cd/m² | - |
| Features | Anti-glare | Reader Mode |
| PROCESSOR | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 14Z90N) |
|---|
| CPU | AMD A9 9425 / 3.1 GHz | Intel Core i7 (10th Gen) 1065G7 / 1.3 GHz |
|---|---|---|
| Max Turbo Speed | 3.7 GHz | 3.9 GHz |
| Number of Cores | Dual-Core | - |
| Cache | 1 MB | L3 - 8 MB |
| 64-bit Computing | Yes | Yes |
| Features | Integrated memory controller | Intel Turbo Boost Technology 2.0, Intel Smart Cache |
| MEMORY | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 14Z90N) |
|---|
| RAM | 4 GB (1 x 4 GB) | 16 GB (1 x 8 GB + 8 GB (soldered)) |
|---|---|---|
| Max RAM Supported | 8 GB | 24 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2133 MHz | 3200 MHz |
| Rated Speed | 2133 MHz | - |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 1 | 1 |
| Empty Slots | 0 | 0 |
| STORAGE | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 14Z90N) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD 2.5" (7 mm) SATA 6Gb/s | 512 GB SSD - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 14Z90N) |
|---|
| Graphics Processor (GPU) | AMD Radeon R5 | Intel Iris Plus Graphics |
|---|---|---|
| Camera | Yes | Yes - HD |
| Resolution | 0.3 Megapixel | - |
| Sound | Stereo speakers, microphone | Stereo speakers, two microphones |
| Compliant Standards | High Definition Audio, Dolby Audio | DTS:X Ultra |
| COMMUNICATIONS | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 14Z90N) |
|---|
| 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 | Single stream (1x1) | - |
| BATTERY | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 14Z90N) |
|---|
| Technology | Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 30 Wh | 72 Wh |
| Battery Life | Up to 4 hours | Up to 18.5 hours |
| AC ADAPTER | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 14Z90N) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt | 48 Watt |
| INPUT | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 14Z90N) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | - | Yes |
| Features | Multi-touch touchpad, buttonless touchpad | Scrolling, gesture function, precision touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 14Z90N) |
|---|
| Interfaces | USB 2.0 2 x USB 3.1 Gen 1 HDMI Headphone/microphone combo jack |
HDMI USB-C 3.1 (supports Thunderbolt 3) (Power Delivery) 2 x USB 3.1 Headphone output |
|---|---|---|
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | Yes (microSD) |
| SOFTWARE | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 14Z90N) |
|---|
| Operating System (OS) | Windows 10 Home in S mode - 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 S145-15AST (Lenovo IdeaPad S145) | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 14Z90N) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | 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 | Dust-resistant, shock-resistant, pressure-resistant, vibration-resistant |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3 | MIL-STD 810G |
| ENERGY STAR Certified | Yes | - |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | Limited warranty - parts and labour - 1 year |
| Model Number | 15AST 81N3 | V.AA75A1 |
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