Side by side comparison and review of Lenovo ThinkPad T580 (20LA) 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.
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 ThinkPad T580 (20LA) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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Product Type | Notebook | Notebook |
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Dimensions (WxDxH) | 36.58 cm x 25.28 cm x 2.02 cm | 32.07 cm x 22.28 cm x 1.59 cm |
Weight | 1.95 kg | 1.55 kg |
Case Material | Glass-fibre reinforced plastic, polyphenylene sulfide | Aluminium (top), aluminium (bottom) |
Colour | Black | Silver |
DISPLAY | Lenovo ThinkPad T580 (20LA) | 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, 170° viewing angle | Anti-glare |
PROCESSOR | Lenovo ThinkPad T580 (20LA) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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CPU | Intel Core i5 (8th Gen) 8250U / 1.6 GHz | Intel Core i5 (8th Gen) 8250U / 1.6 GHz |
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Max Turbo Speed | 3.4 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 ThinkPad T580 (20LA) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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RAM | 4 GB (1 x 4 GB) | 8 GB (1 x 8 GB) |
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Max RAM Supported | 32 GB | 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 | SO-DIMM 260-pin |
Slots Qty | 2 | 1 |
Empty Slots | 1 | 0 |
STORAGE | Lenovo ThinkPad T580 (20LA) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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Main Storage Size (HDD/SSD) | 128 GB SSD 2.5" (7 mm) SATA 6Gb/s - Samsung | 128 GB SSD M.2 2280 PCIe 3.0 x4 |
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AUDIO & VIDEO | Lenovo ThinkPad T580 (20LA) | 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 620 | NVIDIA GeForce MX150 / Intel UHD Graphics 620 |
Video Memory | - | 2 GB GDDR5 SDRAM |
Camera | - | Yes - 720p |
Resolution | - | 1 Megapixel |
Camera Features | - | Fixed focus |
Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
Codec | Realtek ALC3287 | - |
Compliant Standards | High Definition Audio, Dolby Audio Premium | High Definition Audio, Dolby Audio Premium |
Audio Features | - | Output: JBL |
COMMUNICATIONS | Lenovo ThinkPad T580 (20LA) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | 802.11a/b/g/n/ac, Bluetooth 4.1 |
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Wireless Controller | Intel Dual Band Wireless-AC 8265 - M.2 Card | M.2 Card |
Network Interface | Gigabit Ethernet | - |
Features | - | Single stream (1x1) |
BATTERY | Lenovo ThinkPad T580 (20LA) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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Technology | Lithium Ion | 4-cell lithium polymer |
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Installed Qty | 2 | - |
Battery Capacity (Size) | - | 55 Wh |
Battery Life | Up to 26.1 hours | Up to 14 hours |
AC ADAPTER | Lenovo ThinkPad T580 (20LA) | 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, 20 V, 3.25 A | 65 Watt |
INPUT | Lenovo ThinkPad T580 (20LA) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
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Numeric Keypad | Yes | - |
Keyboard Backlight | - | Yes |
Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Multi-touch touchpad |
CONNECTIONS & EXPANSIONS | Lenovo ThinkPad T580 (20LA) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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Interfaces | USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB-C 3.1 Gen 1 USB-C 3.1 Gen 2 (supports Thunderbolt 3) HDMI LAN Headphone/microphone combo jack Dock |
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 ThinkPad T580 (20LA) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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Operating System (OS) | Windows 10 Pro 64-bit Edition | Windows 10 Home 64-bit Edition - English |
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Software Included | - | Lenovo Settings, McAfee LiveSafe (30 days trial), Lenovo ID, Lenovo App Explorer |
MISCELLANEOUS | Lenovo ThinkPad T580 (20LA) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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Dockable | Yes | - |
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Included Accessories | USB-C power adapter | Power adapter |
Security | Trusted Platform Module (TPM 2.0) Security Chip, smart card 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, MIL-STD-810G tested | Administrator password, power-on password |
Compliant Standards | RoHS | RoHS |
ENERGY STAR Certified | Yes | - |
EPEAT Compliant | EPEAT Silver | - |
Manufacturer Warranty | - | Limited warranty - 1 year - pick-up and return |