In depth comparison and review of Lenovo ThinkBook 13s G4 ARB (21AS) 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 ThinkBook 13s G4 ARB (21AS) based on its technical characteristics, features, user experience, expert reviews and price level.
slim lightweight design
sharp 2560x1600 display
solid state drive storage
good battery life
competitive price point
average graphics performance
no HDMI port
limited color options
8GB RAM may limit
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 ThinkBook 13s G4 ARB (21AS) | LG gram 14Z90R |
|---|
| Product Type | Notebook - 180-degree hinge design | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 29.7 cm x 21.1 cm x 1.49 cm | 21.1 cm x 21.39 cm x 1.68 cm |
| Weight | 1.23 kg | 999 g |
| Case Material | Aluminium (top), aluminium (bottom) | Polycarbonate ABS, magnesium alloy |
| Colour | Dual tone arctic grey | Obsidian black |
| DISPLAY | Lenovo ThinkBook 13s G4 ARB (21AS) | LG gram 14Z90R |
|---|
| Screen Size (Type) | 13.3" - IPS | 14" - IPS |
|---|---|---|
| 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 | 300 cd/m² | 350 cd/m² |
| Colour Gamut | 100% sRGB | 99% DCI-P3, 95% DCI-P3 |
| Features | Anti-glare, Low Blue Light technology, 170° viewing angle, Dolby Vision | Anti-glare, 60 Hz refresh rate |
| PROCESSOR | Lenovo ThinkBook 13s G4 ARB (21AS) | LG gram 14Z90R |
|---|
| CPU | AMD Ryzen 5 6600U / 2.9 GHz | Intel Core i7 (13th Gen) 1360P / 2.2 GHz |
|---|---|---|
| Max Turbo Speed | 4.5 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 ThinkBook 13s G4 ARB (21AS) | LG gram 14Z90R |
|---|
| RAM | 8 GB (provided memory is soldered) | 16 GB |
|---|---|---|
| RAM Type | LPDDR5 SDRAM | LPDDR5 SDRAM |
| Speed | 6400 MHz | 6000 MHz |
| Rated Speed | 6400 MHz | - |
| STORAGE | Lenovo ThinkBook 13s G4 ARB (21AS) | LG gram 14Z90R |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 4.0 x4 - NVM Express (NVMe) | 1 TB SSD M.2 2280 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkBook 13s G4 ARB (21AS) | LG gram 14Z90R |
|---|
| Graphics Processor (GPU) | AMD Radeon 660M | 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 - 1080p | Yes - Full HD |
| Camera Features | Privacy shutter, fixed focus | 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 | Harman-branded, AI noise cancelling | Output: Smart Amp |
| COMMUNICATIONS | Lenovo ThinkBook 13s G4 ARB (21AS) | LG gram 14Z90R |
|---|
| Wireless | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Features | Dual stream (2x2) | Dual stream (2x2) |
| BATTERY | Lenovo ThinkBook 13s G4 ARB (21AS) | LG gram 14Z90R |
|---|
| Technology | Lithium polymer | - |
|---|---|---|
| Battery Capacity (Size) | 56 Wh | 80 Wh |
| Battery Life | Up to 19.1 hours | Up to 28.5 hours |
| Battery Run Time | Local video (1080p) playback time (150 nits): up to 19.1 hours | - |
| AC ADAPTER | Lenovo ThinkBook 13s G4 ARB (21AS) | LG gram 14Z90R |
|---|
| Input | AC 100-240 V (50/60 Hz) | - |
|---|---|---|
| Output | 65 Watt | 65 Watt |
| INPUT | Lenovo ThinkBook 13s G4 ARB (21AS) | LG gram 14Z90R |
|---|
| Type | Keyboard, touchpad | Touchpad, 101 keys keyboard |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad, precision glass touchpad | Precision touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkBook 13s G4 ARB (21AS) | LG gram 14Z90R |
|---|
| Slots | - | 2 x SSD (1 free) |
|---|---|---|
| Interfaces | USB 3.2 Gen 1 (Always On) USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) USB4 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI Headphone/microphone combo jack |
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 ThinkBook 13s G4 ARB (21AS) | LG gram 14Z90R |
|---|
| Operating System (OS) | Windows 11 Pro - English | Windows 11 Home |
|---|---|---|
| Software Included | Microsoft Office (Trial) | 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 ThinkBook 13s G4 ARB (21AS) | LG gram 14Z90R |
|---|
| Included Accessories | USB-C slim wall mount power adapter | 65W USB-C power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip, 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, hard drive password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS | LED indicator |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3, TUV Rheinland Low Blue Light (Software Solution) | MIL-STD 810H |
| ENERGY STAR Certified | Yes | - |
| EPEAT Compliant | EPEAT Silver | - |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 5 °C | - |
| Humidity Range Operating | 8 - 95% | - |
| Manufacturer Warranty | Base warranty - 1 year - pick-up and return Extended warranty - 1 year - on-site |
Limited warranty - parts and labour - 1 year |
| Model Number | - | K.AA78A1 |
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
