In depth comparison and review of Acer TravelMate B3 (TMB311) 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.
| DESIGN AND DIMENSIONS | Acer TravelMate B3 (TMB311) | LG gram 14Z90R |
|---|
| Product Type | Notebook - 180-degree hinge design | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 29.5 cm x 21.5 cm x 2.09 cm | 21.1 cm x 21.39 cm x 1.68 cm |
| Weight | 1.4 kg | 999 g |
| Case Material | - | Polycarbonate ABS, magnesium alloy |
| Colour | Shale black | Obsidian black |
| DISPLAY | Acer TravelMate B3 (TMB311) | LG gram 14Z90R |
|---|
| Screen Size (Type) | 11.6" - TN | 14" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1366 x 768 (HD) | 1920 x 1200 (WUXGA) |
| V-Sync Rate at Max Res. | 60 Hz | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | 220 cd/m² | 350 cd/m² |
| Colour Gamut | 45% NTSC | 99% DCI-P3, 95% DCI-P3 |
| Features | Anti-glare, matte, ComfyView, Acer BluelightShield technology, 10 ms response rate | Anti-glare, 60 Hz refresh rate |
| PROCESSOR | Acer TravelMate B3 (TMB311) | LG gram 14Z90R |
|---|
| CPU | Intel Celeron N4120 / 1.1 GHz | Intel Core i7 (13th Gen) 1360P / 2.2 GHz |
|---|---|---|
| Max Turbo Speed | 2.6 GHz | 5 GHz |
| Number of Cores | Quad-Core | 12-core |
| Cache | 4 MB | 18 MB |
| Platform Technology | - | Intel Evo |
| Features | Intel Burst Technology | - |
| MEMORY | Acer TravelMate B3 (TMB311) | LG gram 14Z90R |
|---|
| RAM | 4 GB (provided memory is soldered) | 16 GB |
|---|---|---|
| RAM Type | DDR4 SDRAM | LPDDR5 SDRAM |
| Speed | - | 6000 MHz |
| STORAGE | Acer TravelMate B3 (TMB311) | LG gram 14Z90R |
|---|
| Main Storage Size (HDD/SSD) | 64 GB eMMC - Kingston | 1 TB SSD M.2 2280 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Acer TravelMate B3 (TMB311) | LG gram 14Z90R |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics 600 | Intel Iris Xe Graphics |
|---|---|---|
| Video System Features | - | Functions as Intel UHD graphics (for single-channel memory) |
| Camera | Yes - HD | Yes - Full HD |
| Camera Features | Privacy shutter | Face recognition, IR camera |
| Video Resolutions | 1280 x 720 | - |
| Sound | Stereo speakers, two microphones | Stereo speakers, two microphones |
| Compliant Standards | - | Dolby Atmos |
| Audio Features | - | Output: Smart Amp |
| COMMUNICATIONS | Acer TravelMate B3 (TMB311) | LG gram 14Z90R |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | Intel Wireless-AC 9560 - M.2 2230 (CNVi) | - |
| Network Interface | Gigabit Ethernet | - |
| Features | Wake-on-LAN (WOL), dual stream (2x2), MU-MIMO | Dual stream (2x2) |
| BATTERY | Acer TravelMate B3 (TMB311) | LG gram 14Z90R |
|---|
| Technology | 3-cell Lithium Ion | - |
|---|---|---|
| Battery Capacity (Size) | 48 Wh | 80 Wh |
| Battery Life | Up to 12 hours | Up to 28.5 hours |
| AC ADAPTER | Acer TravelMate B3 (TMB311) | LG gram 14Z90R |
|---|
| Input | AC 100-240 V (50/60 Hz) | - |
|---|---|---|
| Output | 45 Watt, 5 / 9 / 12 / 15 / 20 V | 65 Watt |
| INPUT | Acer TravelMate B3 (TMB311) | LG gram 14Z90R |
|---|
| Type | Keyboard, touchpad | Touchpad, 101 keys keyboard |
|---|---|---|
| Keyboard Backlight | - | Yes |
| Features | Multi-gesture touch pad, precision touchpad, mechanically anchored keys | Precision touchpad |
| CONNECTIONS & EXPANSIONS | Acer TravelMate B3 (TMB311) | LG gram 14Z90R |
|---|
| Slots | - | 2 x SSD (1 free) |
|---|---|---|
| Interfaces | HDMI 2 x USB 3.2 Gen 1 LAN (RJ-45) Headphone/microphone combo jack USB-C 3.2 Gen 1 (supports DisplayPort Alt Mode) (DC-In combo, Power Delivery) |
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) | Yes (microSD) |
| SOFTWARE | Acer TravelMate B3 (TMB311) | LG gram 14Z90R |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition National Academic | Windows 11 Home |
|---|---|---|
| Software Included | Acer ProShield Security Manager | 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 | Acer TravelMate B3 (TMB311) | LG gram 14Z90R |
|---|
| Included Accessories | USB-C power adapter, 3-cell Li-Ion 48Wh battery | 65W USB-C power adapter |
|---|---|---|
| Security | Discrete Trusted Platform Module (TPM) solution | - |
| 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, system password | LED indicator |
| Compliant Standards | MIL-STD 810G | MIL-STD 810H |
| SAR Value | 0.82 W/kg (body), 0.82 W/kg (limb), 0.82 W/kg (head) | - |
| Manufacturer Warranty | Limited warranty - 1 year - carry-in International travellers warranty - 1 year |
Limited warranty - parts and labour - 1 year |
| Model Number | 31 | K.AA78A1 |
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