In depth comparison and review of LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) and Lenovo ThinkPad Z13 Gen 1 (21D3). 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 Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) based on its technical characteristics, features, user experience, expert reviews and price level.
exceptionally lightweight design
impressive battery life
crisp full HD display
solid state drive storage
robust build quality
average graphics performance
limited port selection
higher price point
no dedicated GPU
Advantages and disadvantages of Lenovo ThinkPad Z13 Gen 1 (21D3) based on its technical characteristics, features, user experience, expert reviews and price level.
excellent build quality
powerful amd processor
bright oled display
eco-friendly materials
solid security features
higher price point
limited port selection
no dedicated gpu
average battery life
| DESIGN AND DIMENSIONS | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo ThinkPad Z13 Gen 1 (21D3) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.8 cm x 22.8 cm x 1.68 cm | 29.44 cm x 19.96 cm x 1.399 cm |
| Weight | 1.099 kg | 1.26 kg |
| Case Material | - | Aluminium (top), aluminium (bottom) |
| Colour | White | Black (bottom), arctic grey (top) |
| DISPLAY | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo ThinkPad Z13 Gen 1 (21D3) |
|---|
| Screen Size (Type) | 15.6" - IPS | 13.3" OLED |
|---|---|---|
| Touchscreen | - | Yes (10-point multi-touch) |
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1080 (Full HD) | 2880 x 1800 (2.8K) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | - | 500 cd/m² |
| Colour Gamut | 96% sRGB | 100% DCI-P3 |
| Features | - | Anti-reflective, One Glass Solution, anti-smudge, on-cell touch technology, Low Blue Light technology, Dolby Vision, 91.6% screen-to-body ratio |
| PROCESSOR | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo ThinkPad Z13 Gen 1 (21D3) |
|---|
| CPU | Intel Core i7 (8th Gen) 8565U / 1.8 GHz | AMD Ryzen 7 Pro 6850U / 2.7 GHz |
|---|---|---|
| Max Turbo Speed | 4.6 GHz | 4.7 GHz |
| Number of Cores | Quad-Core | 8-core |
| Cache | L3 - 8 MB | L3 - 16 MB |
| 64-bit Computing | Yes | - |
| Features | Intel Turbo Boost Technology 2.0 | Integrated memory controller |
| MEMORY | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo ThinkPad Z13 Gen 1 (21D3) |
|---|
| RAM | 16 GB | 32 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 16 GB | - |
| RAM Type | DDR4 SDRAM | LPDDR5 SDRAM |
| Speed | 2400 MHz | 6400 MHz |
| Rated Speed | - | 6400 MHz |
| STORAGE | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo ThinkPad Z13 Gen 1 (21D3) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD | 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption - Union Memory |
|---|
| AUDIO & VIDEO | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo ThinkPad Z13 Gen 1 (21D3) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | AMD Radeon 680M |
|---|---|---|
| Max Monitors Supported | - | 2 external monitor(s) |
| Camera | Yes - HD | Yes - 1080p |
| Camera Features | - | Windows Hello, fixed focus, e-camera shutter, Discrete IR |
| Sound | Stereo speakers, two microphones | Stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3306 |
| Compliant Standards | DTS Headphone:X | High Definition Audio, Dolby Atmos |
| Audio Features | - | Input: Dolby Voice, 360° far-field |
| COMMUNICATIONS | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo ThinkPad Z13 Gen 1 (21D3) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | Intel Wireless-AC 9560 | Qualcomm NFA725A |
| Network Interface | 10/100 Ethernet | Gigabit Ethernet |
| Features | Miracast, dual stream (2x2) | - |
| BATTERY | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo ThinkPad Z13 Gen 1 (21D3) |
|---|
| Technology | 4-cell Lithium Ion | 3-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 72 Wh | 51.5 Wh |
| Battery Life | Up to 21.5 hours | - |
| AC ADAPTER | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo ThinkPad Z13 Gen 1 (21D3) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 48 Watt | 65 Watt |
| INPUT | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo ThinkPad Z13 Gen 1 (21D3) |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | Yes | Yes |
| Features | Scrolling, gesture function, precision touchpad | Spill-resistant, multi-touch touchpad, edge-to-edge backlit keyboard, Fn keys with Unified Communications controls, glass touchpad, Haptic ForcePad |
| CONNECTIONS & EXPANSIONS | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo ThinkPad Z13 Gen 1 (21D3) |
|---|
| Slots | 2 x SSD (1 free) | - |
|---|---|---|
| Interfaces | HDMI USB-C 3.1 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery) 3 x USB 3.1 Headphone output |
2 x USB4 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) Headphone/microphone combo jack LAN (on supplied adapter) |
| Memory Card Reader | Yes (microSD) | - |
| SOFTWARE | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo ThinkPad Z13 Gen 1 (21D3) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition | Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence |
|---|---|---|
| Software Included | Microsoft Office (30 days trial), LG Easy Guide, LG Control Center, LG Update Center, LG On Screen Display 3, LG Reader Mode | - |
| MISCELLANEOUS | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Lenovo ThinkPad Z13 Gen 1 (21D3) |
|---|
| Included Accessories | Power adapter | USB-C power adapter, Lenovo USB-C to Ethernet Adapter |
|---|---|---|
| Security | Fingerprint reader | Discrete Trusted Platform Module (TPM 2.0) Security Chip with Microsoft Pluton, fingerprint reader |
| Security Slot Type | Kensington security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Features | Dust-resistant, shock-resistant, pressure-resistant, vibration-resistant | Administrator password, system password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password, certificate based BIOS authentication, FIDO (Fast Identity Online) authentication |
| Compliant Standards | MIL-STD 810G | RoHS, TUV Rheinland Low Blue Light Certification, Energy-Related Products (ErP) Lot 3, TCO Certified 9.0 |
| Carbon Footprint | - | 216 kg carbon emissions (EU) |
| Max Operating Temperature | - | 35 °C |
| Min Operating Temperature | - | 5 °C |
| Humidity Range Operating | - | 8 - 95% |
| Manufacturer Warranty | Limited warranty - 2 years Limited warranty - battery - 1 year |
- |
| Model Number | V.AA78A1 | - |
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