Lenovo Yoga C640-13IML (Lenovo Yoga C640) vs. LG gram 14T90R

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo Yoga C640-13IML (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.

Lenovo Yoga C640-13IML (Lenovo Yoga C640) Review

Advantages and disadvantages of Lenovo Yoga C640-13IML (Lenovo Yoga C640) based on its technical characteristics, features, user experience, expert reviews and price level.

long battery life

lightweight design

responsive touchscreen

solid build quality

fast charging support

limited port selection

average speaker quality

no dedicated GPU

higher price point

LG gram 14T90R Review

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

Laptop Comparison and Tests

Difference between Lenovo Yoga C640-13IML (Lenovo Yoga C640) and LG gram 14T90R
86 % - Design
72 % - Display
75 % - Performance
84 % - Connectivity
85 % - Battery
85 % - Design
85 % - Display
75 % - Performance
84 % - Connectivity
90 % - Battery

Laptop Specifications Comparison

Lenovo Yoga C640-13IML (Lenovo Yoga C640) vs. LG gram 14T90R Comparison Chart
DESIGN AND DIMENSIONS Lenovo Yoga C640-13IML (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 (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 400 cd/m² 350 cd/m²
Colour Gamut 72% NTSC 99% DCI-P3, 95% DCI-P3
Features Anti-glare, 72% NTSC colour gamut Anti-glare, 60 Hz refresh rate
PROCESSOR Lenovo Yoga C640-13IML (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 (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 (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 (Lenovo Yoga C640) LG gram 14T90R
Graphics Processor (GPU) Intel UHD Graphics Intel Iris Xe Graphics
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 (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)
BATTERY Lenovo Yoga C640-13IML (Lenovo Yoga C640) LG gram 14T90R
Technology Lithium Ion -
Battery Capacity (Size) 60 Wh 72 Wh
Battery Life Up to 20 hours Up to 25.5 hours
AC ADAPTER Lenovo Yoga C640-13IML (Lenovo Yoga C640) LG gram 14T90R
Input AC 120/230 V (50/60 Hz) -
Output 45 Watt 65 Watt
INPUT Lenovo Yoga C640-13IML (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 (Lenovo Yoga C640) LG gram 14T90R
Slots - 2 x SSD (1 free)
Interfaces 2 x USB 3.1 Gen 1
USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode)
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 (Lenovo Yoga C640) LG gram 14T90R
Operating System (OS) Windows 10 Home 64-bit Edition - English Windows 11 Home
Software Included Microsoft Office (Trial) 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 (Lenovo Yoga C640) LG gram 14T90R
Included Accessories Power adapter, Lenovo Active Pen Power adapter
Integrated Options Accelerometer -
Security Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader Trusted Platform Module (TPM) Security Chip
Features Administrator password, power-on password LED indicator
Compliant Standards RoHS MIL-STD 810G, Thunderbolt 4
SAR Value 0.32 W/kg (body), 0.32 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 81UE K.AA77A1
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