In depth comparison and review of Lenovo ThinkPad T14s Gen 4 (21F9) 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 T14s Gen 4 (21F9) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
impressive battery life
powerful processor options
bright display
higher price point
limited graphics performance
no OLED option
heavier than competitors
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 T14s Gen 4 (21F9) | LG gram 14Z90R |
|---|
| Product Type | Notebook - 180-degree hinge design | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 31.75 cm x 22.69 cm x 1.69 cm | 21.1 cm x 21.39 cm x 1.68 cm |
| Weight | 1.26 kg | 999 g |
| Case Material | Aluminium (bottom), carbon fibre hybrid (top) | Polycarbonate ABS, magnesium alloy |
| Colour | Deep black | Obsidian black |
| DISPLAY | Lenovo ThinkPad T14s Gen 4 (21F9) | LG gram 14Z90R |
|---|
| Screen Size (Type) | 14" - IPS | 14" - IPS |
|---|---|---|
| Touchscreen | Yes (10-point multi-touch) | - |
| Screen Resolution | 1920 x 1200 (WUXGA) | 1920 x 1200 (WUXGA) |
| V-Sync Rate at Max Res. | 60 Hz | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:10 | 16:10 |
| Image Brightness | 300 cd/m² | 350 cd/m² |
| Colour Gamut | 45% NTSC | 99% DCI-P3, 95% DCI-P3 |
| Features | Anti-glare, on-cell touch technology | Anti-glare, 60 Hz refresh rate |
| PROCESSOR | Lenovo ThinkPad T14s Gen 4 (21F9) | LG gram 14Z90R |
|---|
| CPU | AMD Ryzen 5 Pro 7540U / 3.2 GHz | Intel Core i7 (13th Gen) 1360P / 2.2 GHz |
|---|---|---|
| Max Turbo Speed | 4.9 GHz | 5 GHz |
| Number of Cores | 6-core | 12-core |
| Cache | L3 - 16 MB | 18 MB |
| Platform Technology | - | Intel Evo |
| Features | Integrated memory controller | - |
| MEMORY | Lenovo ThinkPad T14s Gen 4 (21F9) | LG gram 14Z90R |
|---|
| RAM | 16 GB (provided memory is soldered) | 16 GB |
|---|---|---|
| RAM Type | LPDDR5X SDRAM | LPDDR5 SDRAM |
| Speed | 6400 MHz | 6000 MHz |
| Rated Speed | 7500 MHz | - |
| STORAGE | Lenovo ThinkPad T14s Gen 4 (21F9) | LG gram 14Z90R |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption - Kioxia | 1 TB SSD M.2 2280 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad T14s Gen 4 (21F9) | LG gram 14Z90R |
|---|
| Graphics Processor (GPU) | AMD Radeon 740M | Intel Iris Xe Graphics |
|---|---|---|
| Max Monitors Supported | 3 external monitor(s) | - |
| Video System Features | - | Functions as Intel UHD graphics (for single-channel memory) |
| Camera | Yes | Yes - Full HD |
| Resolution | 5 Megapixel | - |
| Camera Features | Privacy shutter, Windows Hello, fixed focus, Discrete IR, Ultrasonic Human Presence Detection | Face recognition, IR camera |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, two microphones |
| Codec | Realtek ALC3287 | - |
| Compliant Standards | High Definition Audio, Dolby Audio | Dolby Atmos |
| Audio Features | Input: Dolby Voice, 360° far-field | Output: Smart Amp |
| COMMUNICATIONS | Lenovo ThinkPad T14s Gen 4 (21F9) | LG gram 14Z90R |
|---|
| Wireless | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | Qualcomm NFA725A | - |
| Network Interface | Gigabit Ethernet | - |
| Features | - | Dual stream (2x2) |
| BATTERY | Lenovo ThinkPad T14s Gen 4 (21F9) | LG gram 14Z90R |
|---|
| Technology | Lithium polymer | - |
|---|---|---|
| Battery Capacity (Size) | 57 Wh | 80 Wh |
| Battery Life | - | Up to 28.5 hours |
| AC ADAPTER | Lenovo ThinkPad T14s Gen 4 (21F9) | LG gram 14Z90R |
|---|
| Input | AC 100-240 V (50/60 Hz) | - |
|---|---|---|
| Output | 65 Watt | 65 Watt |
| INPUT | Lenovo ThinkPad T14s Gen 4 (21F9) | LG gram 14Z90R |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Touchpad, 101 keys keyboard |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls | Precision touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad T14s Gen 4 (21F9) | LG gram 14Z90R |
|---|
| Slots | - | 2 x SSD (1 free) |
|---|---|---|
| Interfaces | USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 (Always On) 2 x USB4 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) HDMI (4K support) Headphone/microphone combo jack LAN (on supplied adapter) |
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 (microSD) |
| SOFTWARE | Lenovo ThinkPad T14s Gen 4 (21F9) | LG gram 14Z90R |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence | Windows 11 Home |
|---|---|---|
| Software Included | Glance by Mirametrix | 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 T14s Gen 4 (21F9) | LG gram 14Z90R |
|---|
| Included Accessories | USB-C power adapter, Lenovo USB-C to Ethernet Adapter | 65W USB-C power adapter |
|---|---|---|
| Security | Discrete Trusted Platform Module (TPM 2.0) Security Chip with Microsoft Pluton, fingerprint reader | - |
| Security Slot Type | Kensington nano 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, system password, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password, certificate based BIOS authentication, FIDO (Fast Identity Online) authentication | LED indicator |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0 | MIL-STD 810H |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 5 °C | - |
| Humidity Range Operating | 8 - 95% | - |
| Manufacturer Warranty | - | Limited warranty - parts and labour - 1 year |
| Model Number | - | K.AA78A1 |
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