Side by side comparison and review of Lenovo ThinkBook 13x G2 IAP (21AT) 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 ThinkBook 13x G2 IAP (21AT) based on its technical characteristics, features, user experience, expert reviews and price level.
lightweight and portable
sharp display resolution
fast SSD storage
good battery life
efficient thermal management
limited port selection
higher price point
no dedicated GPU
average speaker quality
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 13x G2 IAP (21AT) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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Product Type | Notebook - 180-degree hinge design | Notebook |
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Dimensions (WxDxH) | 29.6 cm x 20.9 cm x 1.29 cm | 32.07 cm x 22.28 cm x 1.59 cm |
Weight | 1.2 kg | 1.55 kg |
Case Material | Aluminium (top), aluminium (bottom), glass (display cover) | Aluminium (top), aluminium (bottom) |
Colour | Dual tone storm grey | Silver |
DISPLAY | Lenovo ThinkBook 13x G2 IAP (21AT) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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Screen Size (Type) | 13.3" - IPS | 14" - IPS |
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LCD Backlight Technology | LED backlight | - |
Screen Resolution | 2560 x 1600 (WQXGA) | 1920 x 1080 (Full HD) |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:10 | 16:9 |
Image Brightness | 400 cd/m² | 300 cd/m² |
Colour Gamut | 100% sRGB | - |
Features | Glossy, Corning Gorilla glass, anti-fingerprint, 170° viewing angle, Low Power, Dolby Vision, Smart sense panel | Anti-glare |
PROCESSOR | Lenovo ThinkBook 13x G2 IAP (21AT) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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CPU | Intel Core i7 (12th Gen) 1255U / 1.7 GHz | Intel Core i5 (8th Gen) 8250U / 1.6 GHz |
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Max Turbo Speed | 4.7 GHz | 3.4 GHz |
Number of Cores | 10-core | Quad-Core |
Cache | 12 MB | 6 MB |
Platform Technology | Intel Evo | - |
Features | Integrated memory controller | Integrated memory controller |
MEMORY | Lenovo ThinkBook 13x G2 IAP (21AT) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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RAM | 16 GB (provided memory is soldered) | 8 GB (1 x 8 GB) |
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Max RAM Supported | - | 16 GB |
RAM Type | LPDDR5 SDRAM | DDR4 SDRAM |
Speed | 4800 MHz | 2400 MHz |
Rated Speed | 4800 MHz | 2400 MHz |
Form Factor | - | SO-DIMM 260-pin |
Slots Qty | - | 1 |
Empty Slots | - | 0 |
STORAGE | Lenovo ThinkBook 13x G2 IAP (21AT) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2242 PCIe 4.0 x4 - NVM Express (NVMe) | 128 GB SSD M.2 2280 PCIe 3.0 x4 |
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AUDIO & VIDEO | Lenovo ThinkBook 13x G2 IAP (21AT) | 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 Iris Xe Graphics | NVIDIA GeForce MX150 / Intel UHD Graphics 620 |
Max Monitors Supported | 2 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 - 720p |
Resolution | - | 1 Megapixel |
Camera Features | Privacy shutter, IR camera, Windows Hello, fixed focus, ToF sensor | Fixed focus |
Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
Codec | Realtek ALC3306 | - |
Compliant Standards | High Definition Audio, Dolby Atmos | High Definition Audio, Dolby Audio Premium |
Audio Features | Harman/kardon stereo speakers, Smart Amp, AI noise cancelling | Output: JBL |
COMMUNICATIONS | Lenovo ThinkBook 13x G2 IAP (21AT) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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Wireless | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | 802.11a/b/g/n/ac, Bluetooth 4.1 |
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Wireless Controller | - | M.2 Card |
Network Interface | Gigabit Ethernet | - |
Features | Dual stream (2x2) | Single stream (1x1) |
BATTERY | Lenovo ThinkBook 13x G2 IAP (21AT) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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Technology | Lithium polymer | 4-cell lithium polymer |
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Battery Capacity (Size) | 56 Wh | 55 Wh |
Battery Life | Up to 11.4 hours | Up to 14 hours |
AC ADAPTER | Lenovo ThinkBook 13x G2 IAP (21AT) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
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Output | 65 Watt | 65 Watt |
INPUT | Lenovo ThinkBook 13x G2 IAP (21AT) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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Type | Keyboard, touchpad | Keyboard, touchpad |
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Keyboard Backlight | Yes | Yes |
Features | Spill-resistant, multi-touch touchpad, buttonless touchpad, precision glass touchpad, smart sense keyboard backlight | Multi-touch touchpad |
CONNECTIONS & EXPANSIONS | Lenovo ThinkBook 13x G2 IAP (21AT) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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Interfaces | 2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) Headphone/microphone combo jack HDMI (on supplied adapter) VGA (on supplied adapter) LAN (on supplied adapter) USB 3.0 (on supplied adapter) |
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) |
SOFTWARE | Lenovo ThinkBook 13x G2 IAP (21AT) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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Operating System (OS) | Windows 11 Pro - English | Windows 10 Home 64-bit Edition - English |
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Software Included | Microsoft Office (Trial) | Lenovo Settings, McAfee LiveSafe (30 days trial), Lenovo ID, Lenovo App Explorer |
MISCELLANEOUS | Lenovo ThinkBook 13x G2 IAP (21AT) | Lenovo IdeaPad 720S-14IKBR (81BD) |
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Included Accessories | USB-C slim power adapter | Power adapter |
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Bundled with | ThinkBook USB-C Micro Hub | - |
Integrated Options | Ambient light sensor | - |
Security | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Fingerprint reader |
Features | Administrator password, hard drive password, power-on password, MIL-STD-810H tested, Rapid Charge Pro, self-healing BIOS | Administrator password, power-on password |
Compliant Standards | RoHS, FSC, Energy-Related Products (ErP) Lot 3, TCG Certified, TUV Rheinland Eyesafe Display, TUV Rheinland Low Blue Light (Hardware Solution) | RoHS |
ENERGY STAR Certified | Yes | - |
EPEAT Compliant | EPEAT Silver | - |
Max Operating Temperature | 35 °C | - |
Min Operating Temperature | 5 °C | - |
Humidity Range Operating | 8 - 95% | - |
Manufacturer Warranty | Base warranty - 1 year - pick-up and return Extended warranty - 1 year - on-site |
Limited warranty - 1 year - pick-up and return |