Dell Latitude 3390 2-in-1 vs. Lenovo Yoga C640-13IML (Lenovo Yoga C640)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Dell Latitude 3390 2-in-1 and Lenovo Yoga C640-13IML (Lenovo Yoga C640). 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

Laptop Comparison and Tests

Difference between Dell Latitude 3390 2-in-1 and Lenovo Yoga C640-13IML (Lenovo Yoga C640)
86 % - Design
72 % - Display
75 % - Performance
84 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Dell Latitude 3390 2-in-1 vs. Lenovo Yoga C640-13IML (Lenovo Yoga C640) Comparison Chart
DESIGN AND DIMENSIONS Dell Latitude 3390 2-in-1 Lenovo Yoga C640-13IML (Lenovo Yoga C640)
Product Type Notebook - flip design Notebook - flip design
Dimensions (WxDxH) 32.4 cm x 22.48 cm x 2.04 cm 30.6 cm x 20.448 cm x 1.695 cm
Weight 1.57 kg 1.35 kg
Case Material - Aluminum, polycarbonate, glass-fibre
Colour Black Iron grey
DISPLAY Dell Latitude 3390 2-in-1 Lenovo Yoga C640-13IML (Lenovo Yoga C640)
Screen Size (Type) 13.3" 13.3" - IPS
Touchscreen Yes Yes (10-point multi-touch)
LCD Backlight Technology - LED backlight
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1080 (Full HD)
Widescreen Yes Yes
Image Aspect Ratio - 16:9
Image Brightness 220 cd/m² 400 cd/m²
Colour Gamut - 72% NTSC
Features Anti-glare Anti-glare, 72% NTSC colour gamut
PROCESSOR Dell Latitude 3390 2-in-1 Lenovo Yoga C640-13IML (Lenovo Yoga C640)
CPU Intel Core i3 (7th Gen) 7020U / 2.3 GHz Intel Core i5 (10th Gen) 10210U / 1.6 GHz
Max Turbo Speed - 4.2 GHz
Number of Cores Dual-Core Quad-Core
Cache 3 MB 6 MB
64-bit Computing Yes Yes
Features - Integrated memory controller
MEMORY Dell Latitude 3390 2-in-1 Lenovo Yoga C640-13IML (Lenovo Yoga C640)
RAM 4 GB (1 x 4 GB) 8 GB (provided memory is soldered)
Max RAM Supported 16 GB -
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 2400 MHz 2400 MHz
Rated Speed 2400 MHz 2400 MHz
Form Factor SO-DIMM 260-pin -
Slots Qty 2 -
Empty Slots 1 -
STORAGE Dell Latitude 3390 2-in-1 Lenovo Yoga C640-13IML (Lenovo Yoga C640)
Main Storage Size (HDD/SSD) 128 GB SSD M.2 2280 SATA 256 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe)
AUDIO & VIDEO Dell Latitude 3390 2-in-1 Lenovo Yoga C640-13IML (Lenovo Yoga C640)
Graphics Processor (GPU) Intel HD Graphics 620 Intel UHD Graphics
Memory Allocation Technology Shared Video Memory (UMA) -
Camera Yes - 1280 x 720 Yes - 720p
Resolution 0.92 Megapixel -
Camera Features IR camera Privacy shutter
Video Resolutions 1280 x 720 -
Frame Rate 30 frames per second -
Sound Stereo speakers, two microphones Stereo speakers, dual array microphone
Codec Realtek ALC3253 -
Compliant Standards High Definition Audio High Definition Audio, Dolby Atmos
Audio Features MaxxAudio Pro -
COMMUNICATIONS Dell Latitude 3390 2-in-1 Lenovo Yoga C640-13IML (Lenovo Yoga C640)
Wireless 802.11a/b/g/n/ac, Bluetooth 4.1 802.11a/b/g/n/ac, Bluetooth 5.0
Wireless Controller Atheros QCA61x4A - M.2 2230 M.2 Card
Features - Dual stream (2x2)
BATTERY Dell Latitude 3390 2-in-1 Lenovo Yoga C640-13IML (Lenovo Yoga C640)
Technology 3-cell Lithium Ion Lithium Ion
Battery Capacity (Size) 42 Wh 60 Wh
Battery Life - Up to 20 hours
AC ADAPTER Dell Latitude 3390 2-in-1 Lenovo Yoga C640-13IML (Lenovo Yoga C640)
Input AC 120/230 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 45 Watt, 19.5 V, 2.31 A 45 Watt
INPUT Dell Latitude 3390 2-in-1 Lenovo Yoga C640-13IML (Lenovo Yoga C640)
Type Keyboard, touchpad Keyboard, digitizer, touchpad, digital pen
Keyboard Backlight Yes Yes
Features - Multi-touch touchpad, buttonless touchpad
CONNECTIONS & EXPANSIONS Dell Latitude 3390 2-in-1 Lenovo Yoga C640-13IML (Lenovo Yoga C640)
Interfaces Headphone/microphone combo jack
USB 3.1 Gen 1 (PowerShare)
USB-C (supports DisplayPort Alt Mode)
USB 2.0
HDMI
2 x USB 3.1 Gen 1
USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode)
Headphone/microphone combo jack
Memory Card Reader Yes (SD Card) -
SOFTWARE Dell Latitude 3390 2-in-1 Lenovo Yoga C640-13IML (Lenovo Yoga C640)
Operating System (OS) Windows 10 Pro 64-bit Edition - English Windows 10 Home 64-bit Edition - English
Software Included Microsoft Office (Trial) Microsoft Office (Trial)
MISCELLANEOUS Dell Latitude 3390 2-in-1 Lenovo Yoga C640-13IML (Lenovo Yoga C640)
Included Accessories Power adapter Power adapter, Lenovo Active Pen
Integrated Options - Accelerometer
Security Trusted Platform Module (TPM 2.0) Security Chip Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader
Security Slot Type Noble Wedge security slot -
Theft/Intrusion Protection Security lock slot (cable lock sold separately) -
Features - Administrator password, power-on password
Compliant Standards - RoHS
SAR Value - 0.32 W/kg (body), 0.32 W/kg (limb)
ENERGY STAR Certified - Yes
Manufacturer Warranty Limited warranty - 1 year - on-site Limited warranty - 1 year - pick-up and return
Model Number - 13IML 81UE
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