Lenovo ThinkPad T440 vs. Lenovo IdeaPad Duet 3 10IGL5 (82AT)

Laptop Comparison, Reviews and Tests

Side by side comparison and review of Lenovo ThinkPad T440 and Lenovo IdeaPad Duet 3 10IGL5 (82AT). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.

Lenovo ThinkPad T440 Review

Advantages and disadvantages of Lenovo ThinkPad T440 based on its technical characteristics, features, user experience, expert reviews and price level.

durable build quality

excellent keyboard comfort

good battery life

solid performance base

efficient thermal management

average display quality

heavier than competitors

limited graphics capability

outdated design style

Lenovo IdeaPad Duet 3 10IGL5 (82AT) Review

Advantages and disadvantages of Lenovo IdeaPad Duet 3 10IGL5 (82AT) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

compact design

detachable keyboard

touchscreen functionality

decent battery life

modest performance

limited storage capacity

fewer port options

average display resolution

Laptop Comparison and Tests

Difference between Lenovo ThinkPad T440 and Lenovo IdeaPad Duet 3 10IGL5 (82AT)
76 % - Design
65 % - Display
65 % - Performance
75 % - Connectivity
75 % - Battery
82 % - Design
72 % - Display
45 % - Performance
72 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad T440 vs. Lenovo IdeaPad Duet 3 10IGL5 (82AT) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad T440 Lenovo IdeaPad Duet 3 10IGL5 (82AT)
Product Type Ultrabook Tablet - with detachable keyboard
Dimensions (WxDxH) 33.9 cm x 23.25 cm x 2.1 cm -
Dimensions (WxDxH) - tablet - 25.3 cm x 16.6 cm x 0.99 cm
Dimensions (WxDxH) / Weight Details - 25.3 cm x 16.6 cm x 0.99 cm / 597 g - tablet
25.2 cm x 16.5 cm x 0.6 cm / 269 g - keyboard dock
Weight 1.81 kg 597 g
Case Material - Plastic, magnesium-aluminum alloy, polyurethane
Colour - Graphite grey
DISPLAY Lenovo ThinkPad T440 Lenovo IdeaPad Duet 3 10IGL5 (82AT)
Screen Size (Type) 14" 10.3"
Touchscreen - Yes (10-point multi-touch)
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1600 x 900 (HD+) 1920 x 1200 (WUXGA)
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:10
Image Brightness - 340 cd/m²
Colour Gamut - 96% sRGB
Features - Glossy, Wide Viewing Angle
PROCESSOR Lenovo ThinkPad T440 Lenovo IdeaPad Duet 3 10IGL5 (82AT)
CPU Intel Core i5 (4th Gen) 4300U / 1.9 GHz Intel Celeron N4020 / 1.1 GHz
Max Turbo Speed 2.9 GHz 2.8 GHz
Number of Cores Dual-Core Dual-Core
Cache 3 MB 4 MB
64-bit Computing Yes Yes
Features Hyper-Threading Technology, integrated memory controller, Intel Turbo Boost Technology 2.0 Integrated memory controller
MEMORY Lenovo ThinkPad T440 Lenovo IdeaPad Duet 3 10IGL5 (82AT)
RAM 4 GB (1 x 4 GB) 4 GB (provided memory is soldered)
Max RAM Supported 8 GB -
RAM Type DDR3L SDRAM DDR4 SDRAM
Speed - 2400 MHz
Rated Speed - 2400 MHz
Form Factor SO-DIMM 204-pin -
Slots Qty 1 -
Empty Slots 0 -
STORAGE Lenovo ThinkPad T440 Lenovo IdeaPad Duet 3 10IGL5 (82AT)
Main Storage Size (HDD/SSD) 240 GB SSD 64 GB eMMC - eMMC 5.1
AUDIO & VIDEO Lenovo ThinkPad T440 Lenovo IdeaPad Duet 3 10IGL5 (82AT)
Graphics Processor (GPU) Intel HD Graphics 4400 Intel UHD Graphics 600
Camera Yes Yes
Resolution - 5 Megapixel (rear), 2 Megapixel (front)
Camera Features - CMOS sensor, rear camera with auto focus
Sound Stereo speakers, dual array microphone Stereo speakers, dual array microphone
Codec Realtek ALC3232 -
Compliant Standards - High Definition Audio, Dolby Audio
COMMUNICATIONS Lenovo ThinkPad T440 Lenovo IdeaPad Duet 3 10IGL5 (82AT)
Wireless - 802.11a/b/g/n/ac, Bluetooth 5.0
Network Interface Gigabit Ethernet -
Features - Dual stream (2x2)
BATTERY Lenovo ThinkPad T440 Lenovo IdeaPad Duet 3 10IGL5 (82AT)
Technology - Lithium Ion
Battery Capacity (Size) - 30 Wh
Battery Life - Up to 10.7 hours
Battery Run Time - Local video (1080p) playback time: up to 10.7 hours
AC ADAPTER Lenovo ThinkPad T440 Lenovo IdeaPad Duet 3 10IGL5 (82AT)
Input - AC 120/230 V (50/60 Hz)
Output - 45 Watt
INPUT Lenovo ThinkPad T440 Lenovo IdeaPad Duet 3 10IGL5 (82AT)
Type Keyboard, TrackPoint, UltraNav Keyboard, touchpad
Features Multi-touch touchpad Multi-touch touchpad, precision touchpad
CONNECTIONS & EXPANSIONS Lenovo ThinkPad T440 Lenovo IdeaPad Duet 3 10IGL5 (82AT)
Interfaces 2 x USB 3.0
VGA
Mini DisplayPort
LAN
Dock
Headphone/microphone combo jack
USB-C 3.2 Gen 1 (supports DisplayPort 1.2 Alt Mode) (Power Delivery 3.0)
USB-C 3.2 Gen 1 (supports DisplayPort 1.2 Alt Mode)
Headphone/microphone combo jack
Pogo keyboard connector
Memory Card Reader 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) Yes (microSD)
SOFTWARE Lenovo ThinkPad T440 Lenovo IdeaPad Duet 3 10IGL5 (82AT)
Operating System (OS) Windows 10 Pro (Microsoft Authorized Refurbisher (MAR)) Windows 10 Pro 64-bit Edition - English
Software Included - Microsoft Office (Trial)
MISCELLANEOUS Lenovo ThinkPad T440 Lenovo IdeaPad Duet 3 10IGL5 (82AT)
Dockable Yes Yes
Included Accessories Power adapter Keyboard, USB-C power adapter
Integrated Options - Accelerometer, gyro sensor, hall sensor
Security Trusted Platform Module (TPM 1.2) Security Chip -
Security Slot Type Kensington security slot -
Theft/Intrusion Protection Security lock slot (cable lock sold separately) -
Features - Volume control, built-in kickstand
Compliant Standards ISO 9001, ISO 14001, ISO 27001 -
Manufacturer Warranty Limited warranty - 2 years - pick-up and return Limited warranty - 1 year - pick-up and return
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