Lenovo IdeaPad 720S-14IKBR (81BD) vs. Lenovo ThinkPad X1 Carbon Gen 11 (21HM)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of Lenovo IdeaPad 720S-14IKBR (81BD) and Lenovo ThinkPad X1 Carbon Gen 11 (21HM). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.

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

Lenovo ThinkPad X1 Carbon Gen 11 (21HM) Review

Advantages and disadvantages of Lenovo ThinkPad X1 Carbon Gen 11 (21HM) based on its technical characteristics, features, user experience, expert reviews and price level.

lightweight and portable

robust build quality

excellent keyboard comfort

impressive battery life

high-resolution display

higher price point

limited graphics performance

no HDMI port

fewer color options

Laptop Comparison and Tests

Difference between Lenovo IdeaPad 720S-14IKBR (81BD) and Lenovo ThinkPad X1 Carbon Gen 11 (21HM)
82 % - Design
72 % - Display
75 % - Performance
75 % - Connectivity
72 % - Battery
81 % - Design
85 % - Display
85 % - Performance
86 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Lenovo IdeaPad 720S-14IKBR (81BD) vs. Lenovo ThinkPad X1 Carbon Gen 11 (21HM) Comparison Chart
DESIGN AND DIMENSIONS Lenovo IdeaPad 720S-14IKBR (81BD) Lenovo ThinkPad X1 Carbon Gen 11 (21HM)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 32.07 cm x 22.28 cm x 1.59 cm 31.56 cm x 22.25 cm x 1.536 cm
Weight 1.55 kg 1.12 kg
Case Material Aluminium (top), aluminium (bottom) Aluminium (bottom), carbon fibre (top)
Colour Silver Deep black paint
DISPLAY Lenovo IdeaPad 720S-14IKBR (81BD) Lenovo ThinkPad X1 Carbon Gen 11 (21HM)
Screen Size (Type) 14" - IPS 14" - IPS
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 400 cd/m²
Colour Gamut - 100% sRGB
Features Anti-glare Anti-glare, Low Power, Eyesafe technology
PROCESSOR Lenovo IdeaPad 720S-14IKBR (81BD) Lenovo ThinkPad X1 Carbon Gen 11 (21HM)
CPU Intel Core i5 (8th Gen) 8250U / 1.6 GHz Intel Core i5 (13th Gen) 1335U / 1.3 GHz
Max Turbo Speed 3.4 GHz 4.6 GHz
Number of Cores Quad-Core 10-core
Cache 6 MB 12 MB
Platform Technology - Intel Evo
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo IdeaPad 720S-14IKBR (81BD) Lenovo ThinkPad X1 Carbon Gen 11 (21HM)
RAM 8 GB (1 x 8 GB) 16 GB (provided memory is soldered)
Max RAM Supported 16 GB -
RAM Type DDR4 SDRAM LPDDR5 SDRAM
Speed 2400 MHz 6400 MHz
Rated Speed 2400 MHz 6400 MHz
Form Factor SO-DIMM 260-pin -
Slots Qty 1 -
Empty Slots 0 -
STORAGE Lenovo IdeaPad 720S-14IKBR (81BD) Lenovo ThinkPad X1 Carbon Gen 11 (21HM)
Main Storage Size (HDD/SSD) 128 GB SSD M.2 2280 PCIe 3.0 x4 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe)
AUDIO & VIDEO Lenovo IdeaPad 720S-14IKBR (81BD) Lenovo ThinkPad X1 Carbon Gen 11 (21HM)
Multi-GPU Configuration 1 single GPU card / integrated GPU -
Graphics Processor (GPU) NVIDIA GeForce MX150 / Intel UHD Graphics 620 Intel Iris Xe Graphics
Max Monitors Supported - 3 external monitor(s)
Video Memory 2 GB GDDR5 SDRAM -
Video System Features - Functions as Intel UHD graphics (for single-channel memory)
Camera Yes - 720p Yes - 1080p
Resolution 1 Megapixel -
Camera Features Fixed focus Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera
Sound Stereo speakers, dual array microphone Stereo speakers, two tweeters, two woofers, quad array microphone
Codec - Realtek ALC3306
Compliant Standards High Definition Audio, Dolby Audio Premium High Definition Audio, Dolby Atmos
Audio Features Output: JBL Input: Dolby Voice, 360° far-field
COMMUNICATIONS Lenovo IdeaPad 720S-14IKBR (81BD) Lenovo ThinkPad X1 Carbon Gen 11 (21HM)
Wireless 802.11a/b/g/n/ac, Bluetooth 4.1 NFC, Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller M.2 Card Intel Wi-Fi 6E AX 211
Features Single stream (1x1) Dual stream (2x2)
WWAN
Generation - 4G/5G upgradable
BATTERY Lenovo IdeaPad 720S-14IKBR (81BD) Lenovo ThinkPad X1 Carbon Gen 11 (21HM)
Technology 4-cell lithium polymer Lithium polymer
Battery Capacity (Size) 55 Wh 57 Wh
Battery Life Up to 14 hours -
AC ADAPTER Lenovo IdeaPad 720S-14IKBR (81BD) Lenovo ThinkPad X1 Carbon Gen 11 (21HM)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt 65 Watt
INPUT Lenovo IdeaPad 720S-14IKBR (81BD) Lenovo ThinkPad X1 Carbon Gen 11 (21HM)
Type Keyboard, touchpad Keyboard, TrackPoint, UltraNav
Keyboard Backlight Yes Yes
Features Multi-touch touchpad Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls, glass touchpad, air intake key design
CONNECTIONS & EXPANSIONS Lenovo IdeaPad 720S-14IKBR (81BD) Lenovo ThinkPad X1 Carbon Gen 11 (21HM)
Interfaces 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
USB 3.2 Gen 1
USB 3.2 Gen 1 (Always On)
2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4a Alt Mode) (Power Delivery 3.0)
HDMI (4K support)
Headphone/microphone combo jack
Memory Card Reader 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) -
SOFTWARE Lenovo IdeaPad 720S-14IKBR (81BD) Lenovo ThinkPad X1 Carbon Gen 11 (21HM)
Operating System (OS) Windows 10 Home 64-bit Edition - English Windows 11 Pro - English
Software Included Lenovo Settings, McAfee LiveSafe (30 days trial), Lenovo ID, Lenovo App Explorer Glance by Mirametrix, Intel Connectivity Performance Suite
MISCELLANEOUS Lenovo IdeaPad 720S-14IKBR (81BD) Lenovo ThinkPad X1 Carbon Gen 11 (21HM)
Included Accessories Power adapter USB-C slim power adapter
Security Fingerprint reader Discrete Trusted Platform Module (TPM 2.0) Security Chip, 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 Administrator password, system password, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password, Firmware Resiliency 3.0, certificate based BIOS authentication, FIDO (Fast Identity Online) authentication
Compliant Standards RoHS RoHS, Energy-Related Products (ErP) Lot 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0
Max Operating Temperature - 35 °C
Min Operating Temperature - 5 °C
Humidity Range Operating - 8 - 95%
Manufacturer Warranty Limited warranty - 1 year - pick-up and return Base warranty - 3 years - pick-up and return
Base warranty - battery - 1 year
Extended warranty - 3 years - on-site - response time: next business day
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