In depth comparison and review of Lenovo ThinkPad T15g Gen 1 (20US) and LG gram 14Z90R. 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 T15g Gen 1 (20US) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful graphics capabilities
robust build quality
high-resolution display
advanced security features
good thermal management
heavy and bulky
expensive price point
average battery life
limited color accuracy
Advantages and disadvantages of LG gram 14Z90R based on its technical characteristics, features, user experience, expert reviews and price level.
ultra-lightweight design
long-lasting battery
high-resolution display
robust processing power
fast ssd storage
higher price range
limited gaming performance
no dedicated gpu
fewer ports available
DESIGN AND DIMENSIONS | Lenovo ThinkPad T15g Gen 1 (20US) | LG gram 14Z90R |
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Product Type | Notebook | Notebook |
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Dimensions (WxDxH) | 37.54 cm x 25.23 cm x 3.145 cm | 21.1 cm x 21.39 cm x 1.68 cm |
Weight | 2.74 kg | 999 g |
Case Material | Glass-fibre, glass-fibre reinforced plastic, polyphenylene sulfide | Polycarbonate ABS, magnesium alloy |
Colour | Black | Obsidian black |
DISPLAY | Lenovo ThinkPad T15g Gen 1 (20US) | LG gram 14Z90R |
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Screen Size (Type) | 15.6" - IPS | 14" - IPS |
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LCD Backlight Technology | LED backlight | - |
Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1200 (WUXGA) |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:10 |
Image Brightness | 300 cd/m² | 350 cd/m² |
Colour Gamut | 72% NTSC | 99% DCI-P3, 95% DCI-P3 |
Features | Anti-glare, 160° viewing angle, 72% NTSC colour gamut | Anti-glare, 60 Hz refresh rate |
PROCESSOR | Lenovo ThinkPad T15g Gen 1 (20US) | LG gram 14Z90R |
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CPU | Intel Core i7 (10th Gen) 10850H / 2.7 GHz | Intel Core i7 (13th Gen) 1360P / 2.2 GHz |
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Max Turbo Speed | 5.1 GHz | 5 GHz |
Number of Cores | 6-core | 12-core |
Cache | 12 MB | 18 MB |
64-bit Computing | Yes | - |
Chipset | Mobile Intel WM490 | - |
Platform Technology | - | Intel Evo |
Features | Integrated memory controller | - |
MEMORY | Lenovo ThinkPad T15g Gen 1 (20US) | LG gram 14Z90R |
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RAM | 16 GB (1 x 16 GB) | 16 GB |
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Max RAM Supported | 128 GB | - |
RAM Type | DDR4 SDRAM - non-ECC | LPDDR5 SDRAM |
Speed | 2933 MHz | 6000 MHz |
Rated Speed | 3200 MHz | - |
Form Factor | SO-DIMM 260-pin | - |
Slots Qty | 4 | - |
Empty Slots | 3 | - |
STORAGE | Lenovo ThinkPad T15g Gen 1 (20US) | LG gram 14Z90R |
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Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption - SK Hynix | 1 TB SSD M.2 2280 - NVM Express (NVMe) |
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RAID Level | RAID 0, RAID 1 | - |
AUDIO & VIDEO | Lenovo ThinkPad T15g Gen 1 (20US) | LG gram 14Z90R |
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Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
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Graphics Processor (GPU) | NVIDIA GeForce RTX 2070 SUPER / Intel UHD Graphics | Intel Iris Xe Graphics |
Video Memory | 8 GB GDDR6 SDRAM | - |
Video System Features | Max-Q design | Functions as Intel UHD graphics (for single-channel memory) |
Camera | Yes - 720p | Yes - Full HD |
Camera Features | Fixed focus, ThinkShutter camera privacy | Face recognition, IR camera |
Sound | Stereo speakers, dual array microphone | Stereo speakers, two microphones |
Codec | Realtek ALC3286 | - |
Compliant Standards | Dolby Atmos | Dolby Atmos |
Audio Features | - | Output: Smart Amp |
COMMUNICATIONS | Lenovo ThinkPad T15g Gen 1 (20US) | LG gram 14Z90R |
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Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
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Wireless Controller | Intel Wi-Fi 6 AX 201 - M.2 Card | - |
Network Interface | Gigabit Ethernet | - |
Features | - | Dual stream (2x2) |
BATTERY | Lenovo ThinkPad T15g Gen 1 (20US) | LG gram 14Z90R |
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Technology | 6-cell Lithium Ion | - |
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Battery Capacity (Size) | 94 Wh | 80 Wh |
Battery Life | Up to 16.4 hours | Up to 28.5 hours |
AC ADAPTER | Lenovo ThinkPad T15g Gen 1 (20US) | LG gram 14Z90R |
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Input | AC 120/230 V (50/60 Hz) | - |
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Output | 230 Watt, 20 V | 65 Watt |
INPUT | Lenovo ThinkPad T15g Gen 1 (20US) | LG gram 14Z90R |
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Type | Keyboard, TrackPoint, UltraNav | Touchpad, 101 keys keyboard |
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Numeric Keypad | Yes | - |
Keyboard Backlight | Yes | Yes |
Features | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls | Precision touchpad |
CONNECTIONS & EXPANSIONS | Lenovo ThinkPad T15g Gen 1 (20US) | LG gram 14Z90R |
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Slots | 2 x M.2 Card (1 free) | 2 x SSD (1 free) |
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Interfaces | USB-C 3.2 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery) 2 x USB-C 3.2 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery) USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 HDMI Headphone/microphone combo jack LAN |
Headphone/microphone combo jack (mini-phone 3.5 mm) 2 x USB 3.2 Gen 2x1 (supports DisplayPort) 2 x USB4 Gen 3x2 (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery) HDMI |
Memory Card Reader | Yes (SD Card) | Yes (microSD) |
SOFTWARE | Lenovo ThinkPad T15g Gen 1 (20US) | LG gram 14Z90R |
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Operating System (OS) | Windows 10 Home 64-bit Edition | Windows 11 Home |
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Software Included | - | Microsoft 365 (30 days trial), McAfee LiveSafe (30 days trial), LG On Screen Display 3, Alexa, Intel Connectivity Performance Suite, PCmover Professional, LG PC Manuals, LG Update & Recovery, LG Glance by Mirametrix, New Wallpaper, Intel Unison, Dolby Atmos sound, LG Lively Theme, LG Display Extension, LG Security Guard, Sync on Mobile, LG Smart Assistant 2.0 |
MISCELLANEOUS | Lenovo ThinkPad T15g Gen 1 (20US) | LG gram 14Z90R |
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Included Accessories | Power adapter | 65W USB-C power adapter |
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Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | - |
Security Slot Type | Kensington security slot | Kensington security slot |
Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
Features | Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested | LED indicator |
Compliant Standards | RoHS | MIL-STD 810H |
ENERGY STAR Certified | Yes | - |
EPEAT Compliant | EPEAT Gold | - |
TCO Certified | TCO Certified Notebooks 8 | - |
Manufacturer Warranty | - | Limited warranty - parts and labour - 1 year |
Model Number | - | K.AA78A1 |