Lenovo ThinkPad X1 Nano Gen 2 (21E8) vs. Lenovo IdeaPad 720S-14IKBR (81BD)

Laptop Comparison, Reviews and Tests

Side by side comparison and review of Lenovo ThinkPad X1 Nano Gen 2 (21E8) and Lenovo IdeaPad 720S-14IKBR (81BD). 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 X1 Nano Gen 2 (21E8) Review

Advantages and disadvantages of Lenovo ThinkPad X1 Nano Gen 2 (21E8) based on its technical characteristics, features, user experience, expert reviews and price level.

ultra-lightweight design

impressive battery life

robust security features

sharp display resolution

efficient performance

limited port selection

higher price point

no touchscreen option

average speaker quality

Lenovo IdeaPad 720S-14IKBR (81BD) Review

Advantages and disadvantages of Lenovo IdeaPad 720S-14IKBR (81BD) based on its technical characteristics, features, user experience, expert reviews and price level.

slim, lightweight design

sharp full HD display

solid overall performance

fast SSD storage

decent battery life

limited port selection

no dedicated GPU

average sound quality

pricier than competitors

Laptop Comparison and Tests

Difference between Lenovo ThinkPad X1 Nano Gen 2 (21E8) and Lenovo IdeaPad 720S-14IKBR (81BD)
85 % - Design
85 % - Display
85 % - Performance
86 % - Connectivity
85 % - Battery
82 % - Design
72 % - Display
75 % - Performance
75 % - Connectivity
72 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad X1 Nano Gen 2 (21E8) vs. Lenovo IdeaPad 720S-14IKBR (81BD) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad X1 Nano Gen 2 (21E8) Lenovo IdeaPad 720S-14IKBR (81BD)
Product Type Notebook Notebook
Dimensions (WxDxH) 29.33 cm x 20.81 cm x 1.48 cm 32.07 cm x 22.28 cm x 1.59 cm
Weight 966.5 g 1.55 kg
Case Material Carbon fibre (top), magnesium alloy (bottom) Aluminium (top), aluminium (bottom)
Colour Black paint Silver
DISPLAY Lenovo ThinkPad X1 Nano Gen 2 (21E8) Lenovo IdeaPad 720S-14IKBR (81BD)
Screen Size (Type) 13" - IPS 14" - IPS
LCD Backlight Technology LED backlight -
Screen Resolution 2160 x 1350 (2K) 1920 x 1080 (Full HD)
Widescreen Yes Yes
Image Aspect Ratio 16:10 16:9
Image Brightness 450 cd/m² 300 cd/m²
Colour Gamut 100% sRGB -
Features Anti-glare, 170° viewing angle, Low Power Anti-glare
PROCESSOR Lenovo ThinkPad X1 Nano Gen 2 (21E8) Lenovo IdeaPad 720S-14IKBR (81BD)
CPU Intel Core i5 (12th Gen) 1240P / 1.7 GHz Intel Core i5 (8th Gen) 8250U / 1.6 GHz
Max Turbo Speed 4.4 GHz 3.4 GHz
Number of Cores 12-core Quad-Core
Cache 12 MB 6 MB
Platform Technology Intel Evo -
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo ThinkPad X1 Nano Gen 2 (21E8) Lenovo IdeaPad 720S-14IKBR (81BD)
RAM 16 GB (provided memory is soldered) 8 GB (1 x 8 GB)
Max RAM Supported - 16 GB
RAM Type LPDDR5 SDRAM DDR4 SDRAM
Speed 5200 MHz 2400 MHz
Rated Speed 5200 MHz 2400 MHz
Form Factor - SO-DIMM 260-pin
Slots Qty - 1
Empty Slots - 0
STORAGE Lenovo ThinkPad X1 Nano Gen 2 (21E8) Lenovo IdeaPad 720S-14IKBR (81BD)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) 128 GB SSD M.2 2280 PCIe 3.0 x4
AUDIO & VIDEO Lenovo ThinkPad X1 Nano Gen 2 (21E8) Lenovo IdeaPad 720S-14IKBR (81BD)
Multi-GPU Configuration - 1 single GPU card / integrated GPU
Graphics Processor (GPU) Intel Iris Xe Graphics NVIDIA GeForce MX150 / Intel UHD Graphics 620
Max Monitors Supported 2 external monitor(s) -
Video Memory - 2 GB GDDR5 SDRAM
Camera Yes - 1080p Yes - 720p
Resolution - 1 Megapixel
Camera Features Privacy shutter, IR camera, Windows Hello, fixed focus Fixed focus
Sound Four speakers, four microphones Stereo speakers, dual array microphone
Codec Realtek ALC3306 -
Compliant Standards High Definition Audio, Dolby Atmos High Definition Audio, Dolby Audio Premium
Audio Features - Output: JBL
COMMUNICATIONS Lenovo ThinkPad X1 Nano Gen 2 (21E8) Lenovo IdeaPad 720S-14IKBR (81BD)
Wireless Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) 802.11a/b/g/n/ac, Bluetooth 4.1
Wireless Controller Intel Wi-Fi 6E AX 211 M.2 Card
Features Dual stream (2x2) Single stream (1x1)
WWAN
Generation WWAN upgradable -
BATTERY Lenovo ThinkPad X1 Nano Gen 2 (21E8) Lenovo IdeaPad 720S-14IKBR (81BD)
Technology Lithium polymer 4-cell lithium polymer
Battery Capacity (Size) 49.5 Wh 55 Wh
Battery Life - Up to 14 hours
AC ADAPTER Lenovo ThinkPad X1 Nano Gen 2 (21E8) Lenovo IdeaPad 720S-14IKBR (81BD)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt 65 Watt
INPUT Lenovo ThinkPad X1 Nano Gen 2 (21E8) Lenovo IdeaPad 720S-14IKBR (81BD)
Type Keyboard, TrackPoint, UltraNav Keyboard, touchpad
Keyboard Backlight Yes Yes
Features Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls, glass touchpad Multi-touch touchpad
CONNECTIONS & EXPANSIONS Lenovo ThinkPad X1 Nano Gen 2 (21E8) Lenovo IdeaPad 720S-14IKBR (81BD)
Interfaces 2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
Headphone/microphone combo jack
USB 3.0 (Always On)
USB 3.0
USB-C 3.1 Gen 1/Thunderbolt 3/DisplayPort 1.2a (Power Delivery)
HDMI
Headphone/microphone combo jack
Memory Card Reader - 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card)
SOFTWARE Lenovo ThinkPad X1 Nano Gen 2 (21E8) Lenovo IdeaPad 720S-14IKBR (81BD)
Operating System (OS) Windows 11 Pro - English Windows 10 Home 64-bit Edition - English
Software Included Glance by Mirametrix, Intel Connectivity Performance Suite Lenovo Settings, McAfee LiveSafe (30 days trial), Lenovo ID, Lenovo App Explorer
MISCELLANEOUS Lenovo ThinkPad X1 Nano Gen 2 (21E8) Lenovo IdeaPad 720S-14IKBR (81BD)
Included Accessories USB-C slim power adapter Power adapter
Security Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader Fingerprint reader
Security Slot Type Kensington nano security slot -
Theft/Intrusion Protection Security lock slot (cable lock sold separately) -
Features Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, Firmware Resiliency 2.0, NVMe password, USB FIDO (Fast Identity Online) device integration Administrator password, power-on password
Compliant Standards RoHS, TCG Certified RoHS
ENERGY STAR Certified Yes -
EPEAT Compliant EPEAT Gold -
Max Operating Temperature 35 °C -
Min Operating Temperature 5 °C -
Humidity Range Operating 8 - 95% -
Manufacturer Warranty Base warranty - 3 years - pick-up and return
Base warranty - battery - 1 year
Extended warranty - 3 years - on-site
Limited warranty - 1 year - pick-up and return
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