In depth comparison and review of Acer TravelMate B3 (TMB311-31) 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 (TMB311-31) | LG gram 14Z90R |
|---|
| Product Type | Notebook | 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 (TMB311-31) | LG gram 14Z90R |
|---|
| Screen Size (Type) | 11.6" | 14" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1366 x 768 (HD) | 1920 x 1200 (WUXGA) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | 220 cd/m² | 350 cd/m² |
| Colour Gamut | - | 99% DCI-P3, 95% DCI-P3 |
| Features | Anti-glare, ComfyView, 10 ms response rate, Narrow Border Display | Anti-glare, 60 Hz refresh rate |
| PROCESSOR | Acer TravelMate B3 (TMB311-31) | 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 |
| 64-bit Computing | Yes | - |
| Platform Technology | - | Intel Evo |
| Features | Intel Burst Technology | - |
| MEMORY | Acer TravelMate B3 (TMB311-31) | LG gram 14Z90R |
|---|
| RAM | 4 GB (provided memory is soldered) | 16 GB |
|---|---|---|
| RAM Type | LPDDR4 SDRAM | LPDDR5 SDRAM |
| Speed | - | 6000 MHz |
| STORAGE | Acer TravelMate B3 (TMB311-31) | LG gram 14Z90R |
|---|
| Main Storage Size (HDD/SSD) | 64 GB eMMC - SanDisk | 1 TB SSD M.2 2280 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Acer TravelMate B3 (TMB311-31) | LG gram 14Z90R |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics 600 | Intel Iris Xe Graphics |
|---|---|---|
| Memory Allocation Technology | Shared Video Memory (UMA) | - |
| Video System Features | - | Functions as Intel UHD graphics (for single-channel memory) |
| Camera | Yes - HD | Yes - Full HD |
| Camera Features | - | Face recognition, IR camera |
| Sound | Stereo speakers, microphone | Stereo speakers, two microphones |
| Compliant Standards | High Definition Audio | Dolby Atmos |
| Audio Features | - | Output: Smart Amp |
| COMMUNICATIONS | Acer TravelMate B3 (TMB311-31) | LG gram 14Z90R |
|---|
| Wireless | 802.11a/b/g/n/ac Wave 2, Bluetooth 5.0 | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | Intel Wireless-AC 9560 - M.2 2230 | - |
| Network Interface | Gigabit Ethernet | - |
| Features | - | Dual stream (2x2) |
| BATTERY | Acer TravelMate B3 (TMB311-31) | LG gram 14Z90R |
|---|
| Technology | 4-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 (TMB311-31) | LG gram 14Z90R |
|---|
| Input | AC 120/230 V (50/60 Hz) | - |
|---|---|---|
| Output | 45 Watt, 19 V | 65 Watt |
| INPUT | Acer TravelMate B3 (TMB311-31) | LG gram 14Z90R |
|---|
| Type | Keyboard, touchpad | Touchpad, 101 keys keyboard |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | - | Yes |
| Features | Multi-gesture touch pad, Acer FineTip keyboard | Precision touchpad |
| CONNECTIONS & EXPANSIONS | Acer TravelMate B3 (TMB311-31) | LG gram 14Z90R |
|---|
| Slots | - | 2 x SSD (1 free) |
|---|---|---|
| Interfaces | 2 x USB 3.2 Gen 1 HDMI Headphone/microphone combo jack LAN |
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 (TMB311-31) | LG gram 14Z90R |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition National Academic | Windows 11 Home |
|---|---|---|
| Software Included | - | 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 (TMB311-31) | LG gram 14Z90R |
|---|
| Included Accessories | Power adapter | 65W USB-C power adapter |
|---|---|---|
| Security | Trusted Platform Module (TPM 2.0) Security Chip | - |
| 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, hard drive password | LED indicator |
| Compliant Standards | - | MIL-STD 810H |
| Manufacturer Warranty | Limited warranty - 1 year - carry-in International travellers warranty - 1 year |
Limited warranty - parts and labour - 1 year |
| Model Number | C5KC | K.AA78A1 |
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