In depth comparison and review of Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) and LG gram 14T90R. 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 Yoga C640-13IML LTE (Lenovo Yoga C640) based on its technical characteristics, features, user experience, expert reviews and price level.
long battery life
lightweight and portable
integrated LTE connectivity
responsive touchscreen display
solid build quality
limited storage capacity
average graphics performance
no optical drive
higher price point
Advantages and disadvantages of LG gram 14T90R based on its technical characteristics, features, user experience, expert reviews and price level.
extremely lightweight design
long battery life
high-resolution touchscreen
robust port options
backlit keyboard feature
average sd card speed
fairly expensive
plastic body components
limited color accuracy
| DESIGN AND DIMENSIONS | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) | LG gram 14T90R |
|---|
| Product Type | Notebook - flip design | Notebook - flip design |
|---|---|---|
| Dimensions (WxDxH) | 30.6 cm x 20.448 cm x 1.695 cm | 31.4 cm x 21.95 cm x 1.675 cm |
| Weight | 1.35 kg | 1.25 kg |
| Case Material | Aluminum, polycarbonate, glass-fibre | Polycarbonate ABS, magnesium-aluminium |
| Colour | Iron grey | Black |
| DISPLAY | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) | LG gram 14T90R |
|---|
| Screen Size (Type) | 13.3" - IPS | 14" - IPS |
|---|---|---|
| Touchscreen | Yes (10-point multi-touch) | Yes |
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1200 (WUXGA) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | 300 cd/m² | 350 cd/m² |
| Colour Gamut | 72% NTSC | 99% DCI-P3, 95% DCI-P3 |
| Features | Anti-glare | Anti-glare, 60 Hz refresh rate |
| PROCESSOR | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) | LG gram 14T90R |
|---|
| CPU | Intel Core i5 (10th Gen) 10210U / 1.6 GHz | Intel Core i7 (13th Gen) 1360P / 2.2 GHz |
|---|---|---|
| Max Turbo Speed | 4.2 GHz | 5 GHz |
| Number of Cores | Quad-Core | 12-core |
| Cache | 6 MB | 18 MB |
| 64-bit Computing | Yes | - |
| Platform Technology | - | Intel Evo |
| Features | Integrated memory controller | - |
| MEMORY | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) | LG gram 14T90R |
|---|
| RAM | 8 GB (provided memory is soldered) | 16 GB |
|---|---|---|
| RAM Type | DDR4 SDRAM | LPDDR5 SDRAM |
| Speed | 2400 MHz | 5200 MHz |
| Rated Speed | 2400 MHz | - |
| STORAGE | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) | LG gram 14T90R |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) | 1 TB SSD M.2 2280 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) | LG gram 14T90R |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | Intel Iris Xe Graphics |
|---|---|---|
| Memory Allocation Technology | Shared Video Memory (UMA) | - |
| Max Monitors Supported | 1 external monitor(s) | - |
| Video System Features | - | Functions as Intel UHD graphics (for single-channel memory) |
| Camera | Yes - 720p | Yes - Full HD |
| Camera Features | Privacy shutter | Face recognition, IR camera |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, two microphones |
| Compliant Standards | High Definition Audio, Dolby Atmos | Dolby Atmos |
| Audio Features | - | Output: Smart Amp |
| COMMUNICATIONS | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) | LG gram 14T90R |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | M.2 Card | - |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| WWAN |
|---|
| Generation | 4G | - |
|---|---|---|
| Technology | LTE Advanced | - |
| Controller | FIBOCOM L850-GL - M.2 Card | - |
| BATTERY | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) | LG gram 14T90R |
|---|
| Technology | Lithium polymer | - |
|---|---|---|
| Battery Capacity (Size) | 60 Wh | 72 Wh |
| Battery Life | Up to 22 hours | Up to 25.5 hours |
| AC ADAPTER | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) | LG gram 14T90R |
|---|
| Input | AC 100-240 V (50/60 Hz) | - |
|---|---|---|
| Output | 45 Watt | 65 Watt |
| INPUT | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) | LG gram 14T90R |
|---|
| Type | Keyboard, digitizer, touchpad, digital pen | Touchpad, 80 keys keyboard |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | Multi-touch touchpad, buttonless touchpad | Scrolling, gesture function, precision touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) | LG gram 14T90R |
|---|
| Slots | 1 x Nano-SIM card (1 free) | 2 x SSD (1 free) |
|---|---|---|
| Interfaces | USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) 2 x USB 3.1 Gen 1 Headphone/microphone combo jack |
Headphone/microphone combo jack USB 3.2 Gen 2 2 x USB-C 4.0 Gen 3/DisplayPort/Thunderbolt 4 |
| Memory Card Reader | - | Yes (microSD) |
| SOFTWARE | Lenovo Yoga C640-13IML LTE (Lenovo Yoga C640) | LG gram 14T90R |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition - English | Windows 11 Home |
|---|---|---|
| Software Included | Microsoft Office 365 Personal | Microsoft 365 (30 days trial), McAfee LiveSafe (30 days trial), LG On Screen Display 3, Bamboo Paper, Alexa, DTS:X Ultra, Intel Connectivity Performance Suite, PCmover Professional, Wacom Notes, LG Pen Settings, 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 Yoga C640-13IML LTE (Lenovo Yoga C640) | LG gram 14T90R |
|---|
| Included Accessories | Power adapter, Lenovo Digital Pen | Power adapter |
|---|---|---|
| Integrated Options | Proximity sensor, G-sensor | - |
| Security | Fingerprint reader | Trusted Platform Module (TPM) Security Chip |
| Features | Administrator password, hard drive password, power-on password | LED indicator |
| Navigation Receiver | GPS | - |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3 | MIL-STD 810G, Thunderbolt 4 |
| SAR Value | 1.4 W/kg (body), 1.4 W/kg (limb) | - |
| ENERGY STAR Certified | Yes | - |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | Limited warranty - parts and labour - 1 year |
| Model Number | 13IML LTE 81XL | K.AA77A1 |
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