In depth comparison and review of LG gram 14Z90Q and Lenovo ThinkPad T14 Gen 4 (21K3). 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 ThinkPad T14 Gen 4 (21K3) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
powerful processor options
good battery life
impressive security features
heavier than competitors
average display brightness
limited color options
pricey base model
DESIGN AND DIMENSIONS | LG gram 14Z90Q | Lenovo ThinkPad T14 Gen 4 (21K3) |
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Product Type | Notebook | Notebook - 180-degree hinge design |
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Dimensions (WxDxH) | 31.2 cm x 21.39 cm x 1.68 cm | 31.77 cm x 22.69 cm x 1.79 cm |
Weight | 999 g | 1.39 kg |
Case Material | - | Carbon fibre hybrid (top), polyphenylene sulfide (bottom) |
Colour | Obsidian black | Thunder black |
DISPLAY | LG gram 14Z90Q | Lenovo ThinkPad T14 Gen 4 (21K3) |
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Screen Size (Type) | 14" - IPS | 14" - IPS |
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LCD Backlight Technology | LED backlight | - |
Screen Resolution | 1920 x 1200 (WUXGA) | 1920 x 1200 (WUXGA) |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:10 | 16:10 |
Image Brightness | 350 cd/m² | 300 cd/m² |
Colour Gamut | 99% DCI-P3 | 45% NTSC |
Features | Anti-glare | Anti-glare |
PROCESSOR | LG gram 14Z90Q | Lenovo ThinkPad T14 Gen 4 (21K3) |
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CPU | Intel Core i5 (12th Gen) 1240P / 1.7 GHz | AMD Ryzen 5 Pro 7540U / 3.2 GHz |
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Max Turbo Speed | 4.4 GHz | 4.9 GHz |
Number of Cores | 12-core | 6-core |
Cache | L3 - 12 MB | L3 - 16 MB |
Platform Technology | Intel Evo | - |
Features | Intel Deep Learning Boost (DL Boost) | Integrated memory controller |
MEMORY | LG gram 14Z90Q | Lenovo ThinkPad T14 Gen 4 (21K3) |
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RAM | 8 GB | 16 GB (provided memory is soldered) |
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RAM Type | LPDDR5 SDRAM | LPDDR5X SDRAM |
Speed | 5200 MHz | 6400 MHz |
Rated Speed | - | 6400 MHz |
STORAGE | LG gram 14Z90Q | Lenovo ThinkPad T14 Gen 4 (21K3) |
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Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 - NVM Express (NVMe) | 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) |
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AUDIO & VIDEO | LG gram 14Z90Q | Lenovo ThinkPad T14 Gen 4 (21K3) |
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Graphics Processor (GPU) | Intel Iris Xe Graphics | AMD Radeon 740M |
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Max Monitors Supported | - | 3 external monitor(s) |
Camera | Yes - Full HD | Yes - 1080p |
Camera Features | Face recognition, IR camera | Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera, Ultrasonic Human Presence Detection |
Sound | Stereo speakers, two microphones | Stereo speakers, dual array microphone |
Codec | - | Realtek ALC3287 |
Compliant Standards | DTS:X Ultra | High Definition Audio, Dolby Audio |
Audio Features | - | Input: Dolby Voice, 360° far-field |
COMMUNICATIONS | LG gram 14Z90Q | Lenovo ThinkPad T14 Gen 4 (21K3) |
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Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
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Wireless Controller | Intel Wi-Fi 6 AX 211 | MediaTek RZ616 |
Network Interface | - | Gigabit Ethernet |
Ethernet Controller | - | Realtek RTL8111EPV |
Compliant Standards | - | DASH |
Features | Dual stream (2x2) | Wake-on-LAN (WOL), dual stream (2x2) |
WWAN |
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Generation | - | 4G upgradable |
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BATTERY | LG gram 14Z90Q | Lenovo ThinkPad T14 Gen 4 (21K3) |
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Technology | Lithium Ion | Lithium polymer |
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Battery Capacity (Size) | 72 Wh | 52.5 Wh |
AC ADAPTER | LG gram 14Z90Q | Lenovo ThinkPad T14 Gen 4 (21K3) |
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Input | - | AC 100-240 V (50/60 Hz) |
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Output | 65 Watt | 65 Watt |
INPUT | LG gram 14Z90Q | Lenovo ThinkPad T14 Gen 4 (21K3) |
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Type | Touchpad, 80 keys keyboard | Keyboard, TrackPoint, UltraNav |
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Keyboard Backlight | Yes | Yes |
Features | Gesture function, precision touchpad | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
CONNECTIONS & EXPANSIONS | LG gram 14Z90Q | Lenovo ThinkPad T14 Gen 4 (21K3) |
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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 3.2 Gen 1 (Always On) USB 3.2 Gen 1 USB-C 3.2 Gen 2 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) USB4 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) HDMI (4K support) LAN Headphone/microphone combo jack |
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Memory Card Reader | Yes (microSD) | - |
SOFTWARE | LG gram 14Z90Q | Lenovo ThinkPad T14 Gen 4 (21K3) |
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Operating System (OS) | Windows 11 Home | Windows 11 Pro - English |
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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 | Glance by Mirametrix |
MISCELLANEOUS | LG gram 14Z90Q | Lenovo ThinkPad T14 Gen 4 (21K3) |
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Included Accessories | USB-C power adapter | USB-C power adapter |
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Security | Trusted Platform Module (TPM) Security Chip, fingerprint reader | Discrete Trusted Platform Module (TPM 2.0) Security Chip with Microsoft Pluton, fingerprint reader, smart card reader |
Security Slot Type | Kensington security slot | Kensington nano 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, system password, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password, certificate based BIOS authentication, FIDO (Fast Identity Online) authentication |
Compliant Standards | MIL-STD 810G | RoHS, Energy-Related Products (ErP) Lot 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0 |
Max Operating Temperature | - | 35 °C |
Min Operating Temperature | - | 5 °C |
Humidity Range Operating | - | 8 - 95% |
Manufacturer Warranty | Limited warranty - parts and labour - 1 year | Base warranty - 3 years - pick-up and return Base warranty - battery - 1 year Extended warranty - 3 years - on-site Extended warranty - 1 year - on-site - response time: next business day |
Model Number | K.AR52A1 | - |