In depth comparison and review of LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) and Acer TravelMate B3 11 (TMB311). 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 Acer TravelMate B3 11 (TMB311) based on its technical characteristics, features, user experience, expert reviews and price level.
durable build quality
affordable price point
efficient battery life
robust security features
lightweight design
mediocre display quality
limited storage capacity
basic graphics performance
slow processor speed
| DESIGN AND DIMENSIONS | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Acer TravelMate B3 11 (TMB311) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 35.8 cm x 22.8 cm x 1.68 cm | 29.08 cm x 21.145 cm x 2.075 cm |
| Weight | 1.099 kg | 1.4 kg |
| Colour | White | Shale black |
| DISPLAY | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Acer TravelMate B3 11 (TMB311) |
|---|
| Screen Size (Type) | 15.6" - IPS | 11.6" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1080 (Full HD) | 1366 x 768 (WXGA) |
| V-Sync Rate at Max Res. | - | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | - |
| Image Brightness | - | 250 cd/m² |
| Colour Gamut | 96% sRGB | 50% NTSC |
| Features | - | Anti-glare, matte, ComfyView, Acer BluelightShield technology, 25 ms response rate |
| PROCESSOR | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Acer TravelMate B3 11 (TMB311) |
|---|
| CPU | Intel Core i7 (8th Gen) 8565U / 1.8 GHz | Intel N-series N200 |
|---|---|---|
| Max Turbo Speed | 4.6 GHz | 3.7 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | L3 - 8 MB | L3 - 6 MB |
| 64-bit Computing | Yes | - |
| Features | Intel Turbo Boost Technology 2.0 | Intel Smart Cache |
| MEMORY | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Acer TravelMate B3 11 (TMB311) |
|---|
| RAM | 16 GB | 8 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 16 GB | - |
| RAM Type | DDR4 SDRAM | LPDDR5 SDRAM |
| Speed | 2400 MHz | - |
| STORAGE | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Acer TravelMate B3 11 (TMB311) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD | 128 GB SSD - Kingston |
|---|
| AUDIO & VIDEO | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Acer TravelMate B3 11 (TMB311) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | Intel UHD Graphics |
|---|---|---|
| Camera | Yes - HD | Yes - HD |
| Camera Features | - | Privacy shutter, Temporal Noise Reduction |
| Sound | Stereo speakers, two microphones | Stereo speakers, two microphones |
| Compliant Standards | DTS Headphone:X | - |
| COMMUNICATIONS | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Acer TravelMate B3 11 (TMB311) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | Intel Wireless-AC 9560 | Intel Wi-Fi 6E AX 211 - M.2 2230 (CNVi) |
| Network Interface | 10/100 Ethernet | - |
| Features | Miracast, dual stream (2x2) | Dual stream (2x2), MU-MIMO |
| BATTERY | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Acer TravelMate B3 11 (TMB311) |
|---|
| Technology | 4-cell Lithium Ion | - |
|---|---|---|
| Battery Capacity (Size) | 72 Wh | 50 Wh |
| Battery Life | Up to 21.5 hours | - |
| AC ADAPTER | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Acer TravelMate B3 11 (TMB311) |
|---|
| Input | AC 120/230 V (50/60 Hz) | - |
|---|---|---|
| Output | 48 Watt | 45 Watt, 5 / 9 / 12 / 15 / 20 V, 3 A |
| INPUT | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Acer TravelMate B3 11 (TMB311) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | Yes | - |
| Features | Scrolling, gesture function, precision touchpad | Multi-gesture touch pad, spill-resistant, precision touchpad, mechanically anchored keys, OceanGlass touchpad, serviceable keyboard design |
| CONNECTIONS & EXPANSIONS | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Acer TravelMate B3 11 (TMB311) |
|---|
| 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 |
HDMI 2 x USB 3.2 Gen 1 USB-C 3.2 Gen 1 (supports DisplayPort Alt Mode) (DC-In combo, Power Delivery) LAN Headphone/microphone combo jack |
| Memory Card Reader | Yes (microSD) | Yes (microSD) |
| SOFTWARE | LG gram Ultra-Lightweight LG gram Ultra (Lightweight 15Z990) | Acer TravelMate B3 11 (TMB311) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition | Windows 11 Pro Education |
|---|---|---|
| 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) | Acer TravelMate B3 11 (TMB311) |
|---|
| Included Accessories | Power adapter | USB-C power adapter |
|---|---|---|
| Security | 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 | Dust-resistant, shock-resistant, pressure-resistant, vibration-resistant | Administrator password, system password, MIL-STD-810H tested |
| Compliant Standards | MIL-STD 810G | - |
| SAR Value | - | 1.14 W/kg (body), 1.14 W/kg (head), 1.14 W/kg (limb) |
| Manufacturer Warranty | Limited warranty - 2 years Limited warranty - battery - 1 year |
Limited warranty - 1 year - carry-in International travellers warranty - 1 year |
| Model Number | V.AA78A1 | 33 |
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