Side by side comparison and review of Lenovo ThinkBook 13x G2 IAP (21AT) and Lenovo IdeaPad S540-13API (81XC). 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 S540-13API (81XC) based on its technical characteristics, features, user experience, expert reviews and price level.
slim, lightweight design
sharp, vibrant display
fast processing speed
good battery life
quiet operation
limited port selection
no optical drive
average graphics performance
higher price point
DESIGN AND DIMENSIONS | Lenovo ThinkBook 13x G2 IAP (21AT) | Lenovo IdeaPad S540-13API (81XC) |
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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 | 29.69 cm x 20.86 cm x 1.595 cm |
Weight | 1.2 kg | 1.25 kg |
Case Material | Aluminium (top), aluminium (bottom), glass (display cover) | Aluminum, glass |
Colour | Dual tone storm grey | Light silver |
DISPLAY | Lenovo ThinkBook 13x G2 IAP (21AT) | Lenovo IdeaPad S540-13API (81XC) |
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Screen Size (Type) | 13.3" - IPS | 13.3" - IPS |
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LCD Backlight Technology | LED backlight | LED backlight |
Screen Resolution | 2560 x 1600 (WQXGA) | 2560 x 1600 (WQHD) |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:10 | 16:9 |
Image Brightness | 400 cd/m² | 300 cd/m² |
Colour Gamut | 100% sRGB | 100% sRGB, 72% NTSC |
Features | Glossy, Corning Gorilla glass, anti-fingerprint, 170° viewing angle, Low Power, Dolby Vision, Smart sense panel | Glossy, 72% NTSC colour gamut |
PROCESSOR | Lenovo ThinkBook 13x G2 IAP (21AT) | Lenovo IdeaPad S540-13API (81XC) |
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CPU | Intel Core i7 (12th Gen) 1255U / 1.7 GHz | AMD Ryzen 7 3750H / 2.3 GHz |
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Max Turbo Speed | 4.7 GHz | 4 GHz |
Number of Cores | 10-core | Quad-Core |
Cache | 12 MB | L3 - 4 MB |
64-bit Computing | - | Yes |
Platform Technology | Intel Evo | - |
Features | Integrated memory controller | Integrated memory controller |
MEMORY | Lenovo ThinkBook 13x G2 IAP (21AT) | Lenovo IdeaPad S540-13API (81XC) |
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RAM | 16 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
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RAM Type | LPDDR5 SDRAM | DDR4 SDRAM |
Speed | 4800 MHz | 2400 MHz |
Rated Speed | 4800 MHz | 2400 MHz |
STORAGE | Lenovo ThinkBook 13x G2 IAP (21AT) | Lenovo IdeaPad S540-13API (81XC) |
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Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2242 PCIe 4.0 x4 - NVM Express (NVMe) | 512 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) |
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AUDIO & VIDEO | Lenovo ThinkBook 13x G2 IAP (21AT) | Lenovo IdeaPad S540-13API (81XC) |
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Graphics Processor (GPU) | Intel Iris Xe Graphics | AMD Radeon RX Vega 10 |
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Max Monitors Supported | 2 external monitor(s) | - |
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 | IR camera, fixed focus, ToF sensor |
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 |
Audio Features | Harman/kardon stereo speakers, Smart Amp, AI noise cancelling | - |
COMMUNICATIONS | Lenovo ThinkBook 13x G2 IAP (21AT) | Lenovo IdeaPad S540-13API (81XC) |
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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 5.0 |
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Wireless Controller | - | M.2 Card |
Network Interface | Gigabit Ethernet | - |
Features | Dual stream (2x2) | Dual stream (2x2) |
BATTERY | Lenovo ThinkBook 13x G2 IAP (21AT) | Lenovo IdeaPad S540-13API (81XC) |
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Technology | Lithium polymer | Lithium Ion |
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Battery Capacity (Size) | 56 Wh | 56 Wh |
Battery Life | Up to 11.4 hours | Up to 14.7 hours |
AC ADAPTER | Lenovo ThinkBook 13x G2 IAP (21AT) | Lenovo IdeaPad S540-13API (81XC) |
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Input | AC 100-240 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
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Output | 65 Watt | 65 Watt |
INPUT | Lenovo ThinkBook 13x G2 IAP (21AT) | Lenovo IdeaPad S540-13API (81XC) |
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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, buttonless touchpad |
CONNECTIONS & EXPANSIONS | Lenovo ThinkBook 13x G2 IAP (21AT) | Lenovo IdeaPad S540-13API (81XC) |
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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 3.1 Gen 1 (Always On) 2 x USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery) Headphone/microphone combo jack |
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SOFTWARE | Lenovo ThinkBook 13x G2 IAP (21AT) | Lenovo IdeaPad S540-13API (81XC) |
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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) | Microsoft Office (30 days trial) |
MISCELLANEOUS | Lenovo ThinkBook 13x G2 IAP (21AT) | Lenovo IdeaPad S540-13API (81XC) |
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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 | Firmware Trusted Platform Module (TPM 2.0) Security Chip |
Features | Administrator password, hard drive password, power-on password, MIL-STD-810H tested, Rapid Charge Pro, self-healing BIOS | Administrator password, hard drive password, power-on password, RapidCharge |
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-Related Products (ErP) Lot 3 |
SAR Value | - | 0.599 W/kg (body), 0.599 W/kg (limb) |
ENERGY STAR Certified | Yes | - |
EPEAT Compliant | EPEAT Silver | - |
Specific Absorption Rate (SAR) | - | 0.599 W/kg (body) 0.599 W/kg (limb) |
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 |