In depth comparison and review of Lenovo ThinkBook 15-IIL (20SM) and Lenovo IdeaPad 720S-14IKBR (81BD). 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.
Advantages and disadvantages of Lenovo ThinkBook 15-IIL (20SM) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price point
solid build quality
decent battery life
good processor performance
adequate storage options
average display quality
limited graphics capability
no thunderbolt support
heavier design
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
DESIGN AND DIMENSIONS | Lenovo ThinkBook 15-IIL (20SM) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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Product Type | Notebook | Notebook |
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Dimensions (WxDxH) | 36.4 cm x 24.5 cm x 1.89 cm | 32.07 cm x 22.28 cm x 1.59 cm |
Weight | 1.8 kg | 1.55 kg |
Case Material | Aluminum, polycarbonate ABS | Aluminium (top), aluminium (bottom) |
Colour | Mineral grey | Silver |
DISPLAY | Lenovo ThinkBook 15-IIL (20SM) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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Screen Size (Type) | 15.6" - IPS | 14" - IPS |
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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 | 16:9 |
Image Brightness | 250 cd/m² | 300 cd/m² |
Features | Anti-glare | Anti-glare |
PROCESSOR | Lenovo ThinkBook 15-IIL (20SM) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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CPU | Intel Core i5 (10th Gen) 1035G1 / 1 GHz | Intel Core i5 (8th Gen) 8250U / 1.6 GHz |
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Max Turbo Speed | 3.6 GHz | 3.4 GHz |
Number of Cores | Quad-Core | Quad-Core |
Cache | 6 MB | 6 MB |
64-bit Computing | Yes | - |
Features | Integrated memory controller | Integrated memory controller |
MEMORY | Lenovo ThinkBook 15-IIL (20SM) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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RAM | 8 GB (1 x 8 GB) | 8 GB (1 x 8 GB) |
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Max RAM Supported | 16 GB | 16 GB |
RAM Type | DDR4 SDRAM | DDR4 SDRAM |
Speed | 2666 MHz | 2400 MHz |
Rated Speed | 2666 MHz | 2400 MHz |
Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
Slots Qty | 1 | 1 |
Empty Slots | 0 | 0 |
STORAGE | Lenovo ThinkBook 15-IIL (20SM) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) | 128 GB SSD M.2 2280 PCIe 3.0 x4 |
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AUDIO & VIDEO | Lenovo ThinkBook 15-IIL (20SM) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
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Graphics Processor (GPU) | Intel UHD Graphics | NVIDIA GeForce MX150 / Intel UHD Graphics 620 |
Video Memory | - | 2 GB GDDR5 SDRAM |
Camera | Yes - 720p | Yes - 720p |
Resolution | - | 1 Megapixel |
Camera Features | ThinkShutter camera privacy | Fixed focus |
Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
Codec | Realtek ALC3287 | - |
Compliant Standards | High Definition Audio, Dolby Audio | High Definition Audio, Dolby Audio Premium |
Audio Features | - | Output: JBL |
COMMUNICATIONS | Lenovo ThinkBook 15-IIL (20SM) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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Wireless | Bluetooth 5.0, 802.11a/b/g/n/ac/ax | 802.11a/b/g/n/ac, Bluetooth 4.1 |
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Wireless Controller | M.2 Card | M.2 Card |
Network Interface | Gigabit Ethernet | - |
Features | Dual stream (2x2) | Single stream (1x1) |
BATTERY | Lenovo ThinkBook 15-IIL (20SM) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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Technology | Lithium Ion | 4-cell lithium polymer |
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Battery Capacity (Size) | 45 Wh | 55 Wh |
Battery Life | Up to 9 hours | Up to 14 hours |
AC ADAPTER | Lenovo ThinkBook 15-IIL (20SM) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
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Output | 65 Watt | 65 Watt |
INPUT | Lenovo ThinkBook 15-IIL (20SM) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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Type | Keyboard, touchpad | Keyboard, touchpad |
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Numeric Keypad | Yes | - |
Keyboard Backlight | Yes | Yes |
Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Multi-touch touchpad |
CONNECTIONS & EXPANSIONS | Lenovo ThinkBook 15-IIL (20SM) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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Interfaces | USB 2.0 USB 3.1 Gen 1 (Always On) USB 3.1 Gen 1 USB-C 3.1 Gen 1 USB-C 3.1 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery) HDMI 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 |
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Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
SOFTWARE | Lenovo ThinkBook 15-IIL (20SM) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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Operating System (OS) | Windows 10 Pro 64-bit Edition - French | Windows 10 Home 64-bit Edition - English |
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Software Included | Microsoft Office (30 days trial) | Lenovo Settings, McAfee LiveSafe (30 days trial), Lenovo ID, Lenovo App Explorer |
MISCELLANEOUS | Lenovo ThinkBook 15-IIL (20SM) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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Included Accessories | Power adapter | Power adapter |
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Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Fingerprint reader |
Security Slot Type | Kensington security slot | - |
Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
Features | Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested | Administrator password, power-on password |
Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3 | RoHS |
Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | Limited warranty - 1 year - pick-up and return |