In depth comparison and review of LG gram 14Z90Q and Lenovo IdeaPad 520-15IKB (81BF). 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 LG gram 14Z90Q based on its technical characteristics, features, user experience, expert reviews and price level.
ultra-lightweight design
long-lasting battery
high-resolution display
fast processing speed
robust build quality
limited graphics performance
higher price point
fewer ports available
no dedicated GPU
Advantages and disadvantages of Lenovo IdeaPad 520-15IKB (81BF) based on its technical characteristics, features, user experience, expert reviews and price level.
robust metal design
crisp full HD display
backlit keyboard feature
adequate processing power
reasonable price point
average battery life
limited graphics performance
heavier than competitors
no USB-C port
| DESIGN AND DIMENSIONS | LG gram 14Z90Q | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 31.2 cm x 21.39 cm x 1.68 cm | 37.8 cm x 26 cm x 2.2 cm |
| Weight | 999 g | 2.2 kg |
| Case Material | - | Metal |
| Colour | Obsidian black | Golden |
| DISPLAY | LG gram 14Z90Q | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Screen Size (Type) | 14" - IPS | 15.6" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1200 (WUXGA) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:10 | 16:9 |
| Image Brightness | 350 cd/m² | 250 cd/m² |
| Colour Gamut | 99% DCI-P3 | - |
| Features | Anti-glare | Anti-glare |
| PROCESSOR | LG gram 14Z90Q | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| CPU | Intel Core i5 (12th Gen) 1240P / 1.7 GHz | Intel Core i5 (8th Gen) 8550U / 1.8 GHz |
|---|---|---|
| Max Turbo Speed | 4.4 GHz | 4 GHz |
| Number of Cores | 12-core | Quad-Core |
| Cache | L3 - 12 MB | 8 MB |
| Platform Technology | Intel Evo | - |
| Features | Intel Deep Learning Boost (DL Boost) | Integrated memory controller |
| MEMORY | LG gram 14Z90Q | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| RAM | 8 GB | 8 GB (1 x 4 GB + 4 GB (soldered)) |
|---|---|---|
| Max RAM Supported | - | 16 GB |
| RAM Type | LPDDR5 SDRAM | DDR4 SDRAM |
| Speed | 5200 MHz | 2133 MHz |
| Rated Speed | - | 2400 MHz |
| Form Factor | - | SO-DIMM 260-pin |
| Slots Qty | - | 1 |
| Empty Slots | - | 0 |
| STORAGE | LG gram 14Z90Q | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 - NVM Express (NVMe) | 2 TB HDD SATA 6Gb/s / 5400 rpm |
|---|---|---|
| Optical Drive | - | DVD±RW |
| AUDIO & VIDEO | LG gram 14Z90Q | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | Intel Iris Xe Graphics | NVIDIA GeForce MX150 / Intel UHD Graphics 620 |
| Video Memory | - | 4 GB GDDR5 SDRAM |
| Camera | Yes - Full HD | Yes - 720p |
| Resolution | - | 1 Megapixel |
| Camera Features | Face recognition, IR camera | Fixed focus |
| Sound | Stereo speakers, two microphones | Stereo speakers, dual array microphone |
| Compliant Standards | DTS:X Ultra | High Definition Audio, Dolby Audio |
| Audio Features | - | Output: Harman audio technology |
| COMMUNICATIONS | LG gram 14Z90Q | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6 AX 211 | M.2 Card |
| Network Interface | - | Gigabit Ethernet |
| Features | Dual stream (2x2) | Single stream (1x1) |
| BATTERY | LG gram 14Z90Q | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Technology | Lithium Ion | 2-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 72 Wh | 35 Wh |
| Battery Life | - | Up to 6 hours |
| AC ADAPTER | LG gram 14Z90Q | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Input | - | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 65 Watt |
| INPUT | LG gram 14Z90Q | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Type | Touchpad, 80 keys keyboard | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | Yes |
| Features | Gesture function, precision touchpad | - |
| CONNECTIONS & EXPANSIONS | LG gram 14Z90Q | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Interfaces | Headphone output 2 x USB 3.2 Gen 2 2 x USB4 Gen 3x2 (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery) HDMI |
USB-C 3.0 2 x USB 3.0 HDMI LAN Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (microSD) | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE | LG gram 14Z90Q | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Operating System (OS) | Windows 11 Home | Windows 10 Home 64-bit Edition - English |
|---|---|---|
| Software Included | LG Recovery Center, McAfee LiveSafe (30 days trial), CyberLink Power Media Player, LG Update Center, CyberLink PhotoDirector LE, PowerDirector LE, Microsoft Office 2016 (30 days trial), Alexa, DTS:X Ultra, Glance by Mirametrix, Virtoo, CyberLink ColorDirector LE, Audio Director LE, LG Smart Assistant, PCmover Professional | - |
| MISCELLANEOUS | LG gram 14Z90Q | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Included Accessories | USB-C power adapter | Power adapter |
|---|---|---|
| Security | Trusted Platform Module (TPM) Security Chip, fingerprint reader | Fingerprint reader |
| Security Slot Type | Kensington security slot | Kensington mini security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | Secure mode, Mega cooling 4.0 | Administrator password, hard drive password, power-on password |
| Compliant Standards | MIL-STD 810G | RoHS |
| Manufacturer Warranty | Limited warranty - parts and labour - 1 year | Limited warranty - 1 year - pick-up and return |
| Model Number | K.AR52A1 | - |
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